ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Alarm Code Reference

ZXSDR BS8900 BS8900 GU360 GU360 Outdoor Outdo or GS GSM&UM M&UMTS TS Dual Mode Macr Macro o Node Nod e B

Al Alarm Code Reference

Version 4.00

ZTE CORPORATION ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, P. R. China 518057 Tel: (86) 755 26771900 800-9830-9830 Fax: (86) 755 26772236 URL: http://support.zte.com.cn E-mail: [email protected]

LEGAL INFORMATION Copyright © 2006 ZTE CORPORATION. The contents of this document are protected by copyright laws and international treaties. Any reproduction or distribution of this document or any portion of this document, in any form by any means, without the prior written consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by contractual confidentiality obligations. All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION or of their respective owners. This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein. ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter herein. ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice. Users may visit ZTE technical support website http://ensupport.zte.com.cn to inquire related information. The ultimate right to interpret this product resides in ZTE CORPORATION.

Revision History Date

Revision No.

Serial No.

Reason for Issue

Feb. 2, 2009

R1.0

sjzl20090457

First edition

LEGAL INFORMATION Copyright © 2006 ZTE CORPORATION. The contents of this document are protected by copyright laws and international treaties. Any reproduction or distribution of this document or any portion of this document, in any form by any means, without the prior written consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by contractual confidentiality obligations. All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION or of their respective owners. This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein. ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter herein. ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice. Users may visit ZTE technical support website http://ensupport.zte.com.cn to inquire related information. The ultimate right to interpret this product resides in ZTE CORPORATION.

Revision History Date

Revision No.

Serial No.

Reason for Issue

Feb. 2, 2009

R1.0

sjzl20090457

First edition

ZTE CORPORATION Values Your Comments & Suggestions! Your opinion is of great value and will help us improve the quality of our product documentation and offer better services to our customers. Please fax to (86) 755-26772236 or mail to Documentation R&D Department, ZTE CORPORATION, ZTE Plaza, A Wing, Keji Road South, Hi-Tech Industrial Park, Shenzhen, P. R. China 518057. Thank you for your cooperation! Document Name

ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Alarm Code Reference

Product Version

V4.00

Document Revision Number

Serial No.

sjzl20090457

Equipment Installation Date

R1.0

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Contents About This Manual ............................................................i Purpose................................................................................i Intended Audience .................................................................i Prerequisite Skill and Knowledge..............................................i What Is in This Manual ...........................................................i Related Documentation.......................................................... ii Conventions......................................................................... ii How to Get in Touch............................................................. iii

Declaration of RoHS Compliance..................................... v Chapter 1..........................................................................1 Alarm Management .........................................................1 Overview ....................................................................... 1 Introduction of Terms ...................................................... 1 Alarm Code..........................................................................1 Severity ..............................................................................2 Alarm Type ..........................................................................2 Cause .................................................................................2 Handling.............................................................................. 2

Chapter 2..........................................................................3 Alarm Code.......................................................................3 198084000 ..........................................................................3 198084001 ..........................................................................4 198084002 ..........................................................................4 198084003 ..........................................................................5 198084004 ..........................................................................7 198084005 ........................................................................ 10 198084006 ........................................................................ 10 198084007 ........................................................................ 12 198084008 ........................................................................ 13

198084009.........................................................................15 198084010.........................................................................16 198084011.........................................................................18 198084012.........................................................................20 198084013.........................................................................20 198084014.........................................................................21 198084015.........................................................................21 198084016.........................................................................23 198084017.........................................................................24 198084018.........................................................................26 198084019.........................................................................28 198084020.........................................................................28 198084021.........................................................................30 198084022.........................................................................32 198084023.........................................................................33 198084024.........................................................................35 198084025.........................................................................36 198084026.........................................................................36 198084027.........................................................................37 198084028.........................................................................38 198084029.........................................................................40 198084030.........................................................................41 198084031.........................................................................42 198084032.........................................................................42 198084033.........................................................................42 198084034.........................................................................43 198084035.........................................................................44 198084036.........................................................................44 198084037.........................................................................45 198084038.........................................................................45 198084039.........................................................................46 198084040.........................................................................47 198084041.........................................................................48 198084042.........................................................................49 198084043.........................................................................50 198084044.........................................................................51 198084045.........................................................................52 198084046.........................................................................53 198084047.........................................................................53

198084048 ........................................................................ 54 198084049 ........................................................................ 55 198084050 ........................................................................ 55 198084051 ........................................................................ 55 198084052 ........................................................................ 56 198084053 ........................................................................ 56 198084054 ........................................................................ 57 198084055 ........................................................................ 57 198084056 ........................................................................ 58 198084057 ........................................................................ 59 198084058 ........................................................................ 60 198084059 ........................................................................ 60 198084060 ........................................................................ 60 198084061 ........................................................................ 61 198084062 ........................................................................ 61 198084063 ........................................................................ 62 198084064 ........................................................................ 62 198084065 ........................................................................ 63 198084066 ........................................................................ 64 198084067 ........................................................................ 64 198084068 ........................................................................ 65 198084069 ........................................................................ 66 198084070 ........................................................................ 68 198084071 ........................................................................ 70 198084072 ........................................................................ 71 198084073 ........................................................................ 74 198084074 ........................................................................ 75 198084075 ........................................................................ 76 198084076 ........................................................................ 77 198084077 ........................................................................ 78 198084078 ........................................................................ 78 198084079 ........................................................................ 79 198084080 ........................................................................ 81 198084081 ........................................................................ 82 198084082 ........................................................................ 83 198084083 ........................................................................ 83 198084084 ........................................................................ 83 198084085 ........................................................................ 84 198084086 ........................................................................ 85

198084087.........................................................................85 198084088.........................................................................86 198084089.........................................................................87 198084090.........................................................................88 198084091.........................................................................88 198084092.........................................................................89 198084093.........................................................................89 198084094.........................................................................90 198084095.........................................................................90 198084096.........................................................................91 198084097.........................................................................91 198084098.........................................................................92 198084099.........................................................................92 198084100.........................................................................92 198084101.........................................................................93 198084102.........................................................................93 198084103.........................................................................94 198084104.........................................................................95 198084105.........................................................................95 198084106.........................................................................96 198084107.........................................................................97 198084108.........................................................................98 198084109.........................................................................99 198084110.......................................................................100 198084111.......................................................................101 198084112.......................................................................102 198084113.......................................................................103 198084114.......................................................................104 198084115.......................................................................104 198084116.......................................................................104 198084117.......................................................................105 198084118.......................................................................106 198084119.......................................................................107 198084120.......................................................................107 198084121.......................................................................108 198084122.......................................................................109 198084123.......................................................................110 198084124.......................................................................111 198084125.......................................................................112

198084126 ...................................................................... 113 198084127 ...................................................................... 113 198084128 ...................................................................... 114 198084129 ...................................................................... 115 198084130 ...................................................................... 115 198084131 ...................................................................... 115 198084132 ...................................................................... 116 198084133 ...................................................................... 116 198084134 ...................................................................... 117 198084135 ...................................................................... 117 198084136 ...................................................................... 117 198084137 ...................................................................... 118 198084138 ...................................................................... 118 198084139 ...................................................................... 119 198084140 ...................................................................... 120 198084141 ...................................................................... 121 198084142 ...................................................................... 122 198084143 ...................................................................... 123 198084144 ...................................................................... 123 198084145 ...................................................................... 125 198084146 ...................................................................... 125 198084147 ...................................................................... 126 198084148 ...................................................................... 126 198084149 ...................................................................... 127 198084150 ...................................................................... 127 198084151 ...................................................................... 127 198084152 ...................................................................... 129 198084153 ...................................................................... 130 198084154 ...................................................................... 131 198084155 ...................................................................... 131 198084156 ...................................................................... 132 198084157 ...................................................................... 133 198084158 ...................................................................... 134 198084159 ...................................................................... 135 198084160 ...................................................................... 135 198084161 ...................................................................... 136 198084162 ...................................................................... 136 198084163 ...................................................................... 136 198084164 ...................................................................... 137

198084165.......................................................................137 198084166.......................................................................138 198084167.......................................................................138 198084168.......................................................................139 198084169.......................................................................140 198084170.......................................................................140 198084171.......................................................................142 198084172.......................................................................144 198084173.......................................................................145 198084174.......................................................................147 198084175.......................................................................148 198084176.......................................................................150 198084177.......................................................................151 198084178.......................................................................153 198084179.......................................................................154 198084180.......................................................................156 198084181.......................................................................157 198084182.......................................................................159 198084183.......................................................................160 198084184.......................................................................161 198084185.......................................................................161 198084186.......................................................................162 198084187.......................................................................162 198084188.......................................................................163 198084189.......................................................................163 198084190.......................................................................163 198084191.......................................................................163 198084192.......................................................................164 198084193.......................................................................164 198084194.......................................................................164 198084195.......................................................................165 198084196.......................................................................165 198084197.......................................................................165 198084198.......................................................................166 198084199.......................................................................167 198084200.......................................................................168 198084201.......................................................................169 198084202.......................................................................170 198084203.......................................................................171

198084204 ...................................................................... 171 198084205 ...................................................................... 172 198084206 ...................................................................... 172 198084207 ...................................................................... 172 198084208 ...................................................................... 173 198084209 ...................................................................... 173 198084210 ...................................................................... 174 198084211 ...................................................................... 174 198084212 ...................................................................... 174 198084213 ...................................................................... 175 198084214 ...................................................................... 175 198084215 ...................................................................... 176 198084216 ...................................................................... 176 198084217 ...................................................................... 176 198084218 ...................................................................... 177 198084219 ...................................................................... 178 198084220 ...................................................................... 178 198084221 ...................................................................... 179 198084222 ...................................................................... 179 198084223 ...................................................................... 179 198084224 ...................................................................... 180 198084225 ...................................................................... 180 198084226 ...................................................................... 181 198084227 ...................................................................... 181 198084228 ...................................................................... 182 198084229 ...................................................................... 183 198084230 ...................................................................... 183 198084231 ...................................................................... 183 198084232 ...................................................................... 184 198084233 ...................................................................... 185 198084234 ...................................................................... 185 198084235 ...................................................................... 186 198084236 ...................................................................... 186 198084237 ...................................................................... 187 198084238 ...................................................................... 187 198084239 ...................................................................... 188 198084240 ...................................................................... 189 198084241 ...................................................................... 189 198084242 ...................................................................... 190

198084243.......................................................................190 198084244.......................................................................192 198084245.......................................................................192 198084246.......................................................................193 198084247.......................................................................194 198084248.......................................................................194 198084249.......................................................................195 198084250.......................................................................195 198084251.......................................................................196 198084252.......................................................................196 198084253.......................................................................197 198084254.......................................................................197 198084255.......................................................................198 198084256.......................................................................199 198084257.......................................................................200 198084258.......................................................................200 198084259.......................................................................200 198084260.......................................................................200 198084261.......................................................................200 198084262.......................................................................201 198084263.......................................................................201 198084264.......................................................................201 198084265.......................................................................201 198084266.......................................................................202 198084267.......................................................................203 198084268.......................................................................203 198084269.......................................................................204 198084270.......................................................................204 198084271.......................................................................204 198084272.......................................................................205 198084273.......................................................................206 198084274.......................................................................206 198084275.......................................................................206 198084276.......................................................................207 198084277.......................................................................207 198084278.......................................................................208 198084279.......................................................................208 198084280.......................................................................209 198084281.......................................................................209

198084282 ...................................................................... 210 198084283 ...................................................................... 210 198084284 ...................................................................... 211 198084285 ...................................................................... 211 198084286 ...................................................................... 211 198084287 ...................................................................... 212 198084288 ...................................................................... 212 198084289 ...................................................................... 212 198084290 ...................................................................... 213

Appendix A ...................................................................215 Abbreviations ...............................................................215


About This Manual Purpose This manual provides procedures and guidelines that support the operation of the NetNumen™M31 (V3.10.400) Integrated Network Operation System Reference Manual (Fault Management) (ZXSDR Node B Alarm Code).

Intended Audience This manual is intended for engineers and technicians who perform operation activities on the NetNumen™M31 (V3.10.400) Integrated Network Operation System Reference Manual (Fault Management) (ZXSDR Node B Alarm Code).

Prerequisite Skill and Knowledge To use this manual effectively, users should have a general understanding of wireless telecommunications technology. Familiarity with the following is helpful: 

ZXSDR system and its various components



User interfaces on the Mobile Switching Center (MSC)



Local operating procedures

What Is in This Manual This manual contains the following chapters: T A B L E 1 – C H A P T E R S U M M A R Y

Section

Summary

Chapter 1, Alarm Management

Introduces the basic concepts and terms of the alarm code.

Chapter 2, Alarm Code

Introduces the definition, cause and handling of the alarm code.

Confidential and Proprietary Information of ZTE CORPORATION

i

ZXSDR BS8900 GU360 Alarm Code Reference

Section

Summary

Appendix A, Abbreviations

Lists all the abbreviations used in the manual.

Related Documentation The following documentation is related to this manual: ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Documentation Guide



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B System Description



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Hardware Description



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Hardware Installation Guide



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Configuration Guide



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Configuration Parameter Reference



ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Maintenance Guide



Conventions Typographical Conventions

ZTE documents employ the following typographical conventions. T A B L E 2 – T Y P O G R A P H I C A L C O N V E N T I O N S

Typeface

Meaning

Italics

References to other Manuals and documents.

“Quotes” Bold

Menus, menu options, function names, input fields, radio button names, check boxes, dropdown lists, dialog box names, window names.

CAPS

Keys on the keyboard and buttons on screens and company name.

Const ant

ii

Links on screens.

wi dt h

Text that you type, program code, files and directory names, and function names.

[]

Optional parameters.

{}

Mandatory parameters.

|

Select one of the parameters that are delimited by it.


About This Manual

Typeface

Meaning Note: Provides additional information about a certain topic. Checkpoint: Indicates that a particular step needs to be checked before proceeding further. Tip: Indicates a suggestion or hint to make things easier or more productive for the reader.

Mouse Operation Conventions

T A B L E 3 M O U S E O P E R A T I O N C O N V E N T I O N S

Typeface

Meaning

Click

Refers to clicking the primary mouse button (usually the left mouse button) once.

Double-click

Refers to quickly clicking the primary mouse button (usually the left mouse button) twice.

Right-click

Refers to clicking the secondary mouse button (usually the right mouse button) once.

Drag

Refers to pressing and holding a mouse button and moving the mouse.

How to Get in Touch The following sections provide information on how to obtain support for the documentation and the software. Customer Support

Documentation Support

If you have problems, questions, comments, or suggestions regarding your product, contact us by e-mail at [email protected]. You can also call our customer support center at (86) 755 26771900 and (86) 800-9830-9830. ZTE welcomes your comments and suggestions on the quality and usefulness of this document. For further questions, comments, or suggestions on the documentation, you can contact us by e-mail at [email protected]. Or you can fax your comments and suggestions to (86) 755 26772236. You can also browse our website at http://support.zte.com.cn, which contains various interesting subjects like documentation, knowledge base, forum and service request.


iii



iv


Declaration of RoHS Compliance To minimize the environmental impact and take more responsibility to the earth we live, this document shall serve as formal declaration that the ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B manufactured by ZTE CORPORATION are in compliance with the Directive 2002/95/EC of the European Parliament - RoHS (Restriction of Hazardous Substances) with respect to the following substances: 

Lead (Pb)



Mercury (Hg)



Cadmium (Cd)



Hexavalent Chromium (Cr (VI))



PolyBrominated Biphenyls (PBB’s)



PolyBrominated Diphenyl Ethers (PBDE’s)


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vi


Chapter

1

Alarm Management

Overview Description

Alarm management is responsible for collecting fault and event information during system running process. The alarm information is displayed on a real-time basis on a user-oriented alarm monitoring platform or stored in database in the form of alarm and notification. Both past and instantaneous running state of the system can be traced through visual interface monitoring or history query. Based on the information provided by alarm management, operation and maintenance personnel can perform troubleshooting and take precaution measures to restore service and system to the normal state in time.

Introduction of Terms This section introduces several common terms in the alarm management system.

Alarm Code Description

Alarm code is a non-exclusive identifier to differentiate alarms. Alarm code falls into foreground alarm code and background alarm code. Foreground alarm code refers to a fixed value defined and allocated by macro in order to differentiate alarms in program. The same alarm code is used for the generated alarm and its corresponding recovery. Therefore, only alarm code and notification code need to be defined. Macro name is specified in the alarm identifier macro bar by the faulty source based on the template provided by alarm management. Meanwhile, macro value is defined by alarm management. Background alarm code is for display on the alarm monitoring platform. It is mapped in relation to foreground alarm code according to certain rules.


1


Severity Description

There are four recommended alarm levels. Level 1 alarm is the most severe alarm that affects all services and all NE resources. Level 2 alarm is a major one that affects most services and resources. Level 3 alarm is an ordinary one that hinders the normal operation of some services. Level 4 alarm is a minor one that affects a certain service or resource. Alarm level is determined by the faulty source. The four alarm levels are indicated respectively as Critical, Major, Ordinary, Minor ， and Notification in the alarm level bar of the alarm template. There is no level classification for notification.

Alarm Type Description

Alarm information (3GPP) is classified into four types shown as below. Communication Alarm: related with information transmission (defined in ITU-T and suggested as X.733) Handle Error alarm: related with software or process fault (defined in ITU-T and suggested as X.733) Environmental Alarm: related with the environment where equipment is located (defined in ITU-T and suggested as X.733) Duality of Service Alarm: related with degradation of service quality (defined in ITU-T and suggested as X.733)

Cause Description

Possible alarm causes explaining trigger condition and trigger frequency are enumerated to help operators find ways of removing the fault and take precaution measures. In this way, system can be restored to the normal running state as soon as possible.

Handling Description

2

Corresponding measures and advices for fault removal are provided.


Chapter

2

Alarm Code 198084000 Description Severity Cause Handling process

Fail to run FPGA software Critical Software version error or board fault 1. Check whether there is software version fault alarm. i.

Check whether there is related software version fault alarm. Y --> Go to “ii. Process software version fault alarm” N --> Go to “2 Reset the board”.

ii. Process software version fault alarm. According to relevant suggestions for software version fault alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the board”. 2. Reset the board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace the board”. 3. Replace the board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


3


198084001 Description Severity Cause Handling process

Fail to run DSP software Critical Software version error or board fault 1. Check whether there is software version fault alarm. i.

Check whether there is related software version fault alarm. Y --> Go to “ii. Process software version fault alarm” N --> Go to “2 Reset the board”

ii. Process software version fault alarm. According to relevant suggestions for software version fault alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the board”. 2. Reset the board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> Alarm recovers, The alarm handling process completes. N --> Go to “3. Replace the board” 3. Replace the board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to load NLE table Major Software version error or board fault 1. Check whether there is software version fault alarm. i.

Check whether there is related software version fault alarm. Y --> Go to “ii. Process software version fault alarm” N --> Go to “2 Reset the board”

ii. Process software version fault alarm.

4


Chapter 2 - Alarm Code

According to relevant suggestions for software version fault alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Rest the board”. 2. Reset the board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the board”. 3. Replace the board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Clock module fault Critical Hardware fault 1. Check type of the faulty board. Query the type of the faulty board from OMC console. For the master main control board, Go to “2 Check whether peripheral board has clock module fault alarm”. For the slave main control board, Go to “3 Check whether the peer board of master main control board has clock lost alarm”. For the peripheral board, Go to “4 Check whether master main control board has clock module fault alarm”. 2. Check whether the peripheral board has clock module fault alarm. Y --> Go to “5 Reset the faulty board” N --> Please contact ZTE Corporation. 3. Check whether the peer board of the master main control board has clock lost alarm. Y --> Go to “5 Reset the faulty board” N --> Please contact ZTE Corporation. 4. Check whether master main control board has clock module fault alarm.


5


i.

Check whether master main control board has clock module fault alarm. Y --> Go to “ii. Process the fault of clock module on master main control board” N --> Go to “5 Reset the faulty board”.

ii. Process the fault of clock module on master main control board. According to suggestions for main control board alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Reset the faulty board”. 5. Reset the faulty board.

Note: Reset or Unplug-and-plug board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to operate it.

i.

Reset the faulty board through OMC console, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the faulty board”.

ii. Unplug-and-plug the faulty board, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the faulty board”. 6. Replace the faulty board.

Note: Replacing the board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to replace it.

Replace the faulty board, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes.

6



N --> Please contact ZTE Corporation.

198084004 Description Severity Cause

Clock reference source is lost Minor 1. The configured clock reference source doesn't exist. 2. External reference clock has a fault. 3. Board fault 4. Cable fault

Handling process

1. Check whether wrong reference source is configured. i.

Check whether wrong reference source is configured (e.g. Link clock 1 reference is configured, but the system doesn't have link clock 1 in reality). Y --> Go to “ii. Change the configuration of clock reference source”. N --> Go to “2”.

ii. Change the configuration of clock reference source. Change the configuration of clock reference source from OMC console so that it is consistent with real situation. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether external reference clock is normal.” 2. Check whether external reference clock is normal. Determine the type of clock reference source 

For link clock reference source, Go to “3”.



For GPS clock reference source, Go to “4”



For BITS clock reference source, Go to “5”.

3. Check whether link clock reference source is normal. i.

Check whether master/slave main control boards are configured in the system. Check whether the system has configured master/slave main control boards, and then check whether both boards work normally Y --> Go to “ii. Check whether another main control board has the same alarm”. N --> Go to “3 Check whether Iub interface board has physical link fault”.


7


ii. Check whether another main control board has the same alarm. Y --> Go to “3 Check whether Iub interface board has physical link alarm”. N --> Go to “6 Reset fault main control board”. iii. Check whether Iub interface board has physical link alarm. Solve the Iub physical link alarm, and then check whether the current alarm about clock reference source recovers. Y --> The alarm handling process completes. N --> Go to “6 Reset fault main control board”. 4. Check whether GPS clock reference source is normal. i.

Check whether the cable is connected normally. Check the GPS card on EMU, and the cable from EMU to front panel of CCS, and then check whether GPS card and the cable are good, the cable is well connected. Y --> Go to “iii. Replace GPS card”. N --> Re-connect the cable and Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Replace GPS card”. iii. Replace GPS card. Replace GPS card, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7”. 5. Check whether BITS clock reference source is normal. i.

Check whether EMC has an alarm, which indicates EMU external clock is lost. Y --> Go to “ii. Process the alarm that indicates EMU external clock is lost” N --> Go to “7 Process the fault of main control board”.

ii. Process the alarm that indicates EMU external clock is lost. According to relevant suggestions for EMU external clock lost alarm, try to remove the alarm. Check whether the current Recovered. Y --> The alarm handling process completes. N --> Go to “7 Process the fault of main control board.”.

8



6. Process the fault of Iub interface board.

Note: Replacing or resetting the Iub interface board will cause interruption of all services carried by it. Therefore, please choose appropriate time to replace or reset it.

i.

Reset Iub interface board. Reset the Iub interface board, which provides link clock reference source, wait for two minutes until the board runs normally, and then check whether the Recovered. Y --> The alarm handling process completes. N --> Go to “ii. Replace Iub interface board”.

ii. Replace Iub interface board. Replace the Iub interface board, which provides link clock reference source, wait for two minutes until the board runs normally, and then check whether the Recovered. Y --> The alarm handling process completes. N --> Go to “7”. 7. Process the fault of main control board.

Note: Replacing or resetting main control board will cause interruption of all services carried by it. Therefore, please choose appropriate time to replace or reset it.

i.

Reset fault main control board. Wait for three minutes until the board runs normally, and then check whether the Recovered. Y --> The alarm handling process completes. N --> Go to “ii. Replace fault main control board”.

ii. Replace fault main control board. Replace the fault main control board, wait for three minutes until the board runs normally, and then check whether the Recovered. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


9



EMU external clock is lost Minor 1. The configured clock reference source doesn't exist. 2. External reference clock has a fault. 3. Board fault"

Handling process

1. Reset the faulty board. Reset the fault EMC, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board” 2. Replace the faulty board. Replace the faulty board, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Clock reference source is degraded Minor 1. Poor quality of transmission clock 2. Board fault 3. Cable fault"

Handling process

1. Replace transmission clock reference source. i.

Check whether there is other available reference clock. Y --> Switch to other transmission clock and Go to “ii. Check whether the alarm recovers”. N --> Go to “2 Check clock reference source”

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check clock reference source”. 2. Check clock reference source. 

10

For Link clock reference source, Go to “3 Check whether transmission link is normal”







For GPS clock, Go to “4. Check whether GPS device is normal” For BITS clock, Go to “5. Check whether synchronization network clock is normal”

3. Check whether transmission link is normal. i.

Check whether transmission link is normal. Y --> Go to “6 Check whether main control board is normal” N --> Solve the problem of transmission link and Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Check whether main control board is normal”. 4. Check whether GPS device is normal. i.

Check whether GPS antenna feeder and GPS card are normal. Y --> Go to “6 Check whether main control board is normal”. N --> Re-install GPS card and antenna feeder, and Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Check whether main control board is normal”. 5. Check whether synchronization network clock is normal. i.

Check whether synchronization network clock is normal. Y --> Go to “6 Check whether main control board is normal”. N --> Please solve the abnormity of synchronization network clock.

6. Check whether main control board is normal. i.

If the system has configured master/slave main control board, and then check another board which is related to the faulty board, and then check whether it has “reference source degradation” alarm. Y --> Yes, Please contact ZTE Corporation. N --> Go to “ii. Replace the faulty board”.

ii. Replace the faulty board.


11


Note: Replacing main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to replace it.

Replace the fault main control board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Transmission clock is lost Minor Hardware fault 1. Check type of alarm board.  

For the main control board, Go to “3 Reset the faulty board” For the Iub interface board, Go to “2 Check whether main control board has transmission clock lost alarm”.

2. Check whether main control board has transmission clock lost alarm. i.

Check whether main control board has transmission clock lost alarm, which is related to the faulty board. Y --> Go to “ii. Process transmission clock alarm on main control board”. N --> Go to “4 Reset the faulty board”

ii. Process transmission clock alarm on main control board. According to relevant suggestion for transmission clock lost alarm, try to remove the alarm. Check whether there still is transmission clock lost alarm. Y --> The alarm handling process completes. N --> Go to “3 Reset the faulty board”. 3. Reset the faulty board.

Note: Resetting the main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to reset it.

12



Reset the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Unplug-and-plug the faulty board”. 4. Unplug-and-plug the faulty board.

Note: Unplugding-and-plugging the main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to operate it.

Unplug and plug the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the faulty board”. 5. Replace the faulty board.

Note: Replacing the main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to replace it.

Replace the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Transmission clock is unlocked. Minor Hardware fault 1. Check whether main control board has clock reference source being degraded alarm. i.

Through OMC console, check whether there is clock reference source degradation alarm.


13


Y --> Go to “ii. degradation alarm”.

Process

clock

reference

source

N --> Go to “2 Reset the faulty board”. ii. Process clock reference source degradation alarm. According to relevant suggestions for clock reference source degradation alarm, try to remove the alarm. Check whether the unlocked transmission clock alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board” 2. Reset the faulty board.

Note: Resetting main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to reset it.

Reset the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Unplug-and-plug the faulty board” 3. Unplug-and-plug the faulty board.

Note: Unplugging-and-plugging the faulty board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to operate it.

Unplug and plug the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the faulty board” 4. Replace the faulty board.


14





The peer board clock is lost Minor 1. Peer board clock is lost. 2. Backplane connection is not good. 3. Local board hardware has s fault.

Handling process

1. Check whether the peer board has clock lost alarm. i.

Through OMC console, check whether the peer board of the faulty board has corresponding clock lost alarm. Y --> Go to “ii. Process clock lost alarm on the peer board”. N --> Go to “2 Reset the faulty board”.

ii. Process clock lost alarm on the peer board. According to relevant suggestions for clock module fault alarm, try to remove the alarm. Check whether the current board alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board.


Reset the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Unplug-and-plug the faulty board” 3. Unplug-and-plug the faulty board.


15


Note: Unplug-and-plug the main control board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to operate it.

Unplug and plug the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the faulty board” 4. Replace the faulty board.




Downlink service link fault Major 1. LVDS fault 2. At transmitting and receiving ends of LVDS link, there is board fault.

Handling process

1. Check the configuration of the peer board. i.

View the configuration of fault LVDS connected board, and then check whether the configuration is consistent with real one inserted in Node B rack. Y --> Go to “2 Check whether the peer board is normal”. N --> Change board configuration so that it is matched with real one in Node B rack. Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes.

16



N --> Go to “2 Check whether the peer board is normal”. 2. Check whether the peer board is normal. i.

Check whether the peer board runs normally. Y --> Go to “3 Unplug-and-plug the peer board”. N --> Go to “ii. Process the abnormity of the peer board”.

ii. Process the abnormity of the peer board Solve the abnormity of the peer board so that it can run normally. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Unplug-and-plug the peer board”. 3. Unplug-and-plug the peer board.

Note: Unplugging-and-plugging the board will cause interruption of all services carried on the board. Therefore, please choose appropriate time to replace it.

Unplug and plug the peer board again, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Unplug-and-plug the faulty board” 4. Unplug-and-plug the faulty board.


Unplug and plug the faulty board again, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace the faulty board” 5. Replace the faulty board.

Note:


17


Replacing the board will cause interruption of all services carried on the board. Therefore, please choose appropriate time to replace it.

Replace the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the peer board” 6. Replace the peer board.

Note: Replacing the board will cause interruption of all services carried on the board. Therefore, please choose appropriate to replace it.

Replace the peer board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Uplink service link fault Major 1. LVDS fault 2. At transmitting and receiving ends of LVDS link, there is board fault."

Handling process

1. Check the configuration of the peer board. i.

View the configuration of fault LVDS connected board, and then check whether the configuration is consistent with real one inserted in Node B rack. Y --> Go to “2 Check whether the peer board is normal”. N --> Inconsistent, change board configuration so that it is matched with real one in Node B rack. Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the peer board is normal”. 2. Check whether the peer board is normal. i.

18

Check whether the peer board runs normally.



Y --> Go to “3 Unplug-and-plug the peer board”. N --> Go to “ii. Process the abnormity of the peer board” ii. Process the abnormity of the peer board. Solve the abnormity of the peer board so that it can run normally. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Unplug-and-plug the peer board” 3. Unplug-and-plug the peer board.


Unplug and plug the peer board again, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Unplug-and-plug the faulty board” 4. Unplug-and-plug the faulty board.


Unplug and plug the faulty board again, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace the faulty board” 5. Replace the faulty board.

Note: Replacing the board will cause interruption of all services carried on the board. Therefore, please choose appropriate time to replace it.


19


Replace the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the peer board” 6. Replace the peer board.

Note: Replacing the board will cause interruption of all services carried on the board. Therefore, please choose appropriate to replace it.

Replace the peer board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Board hardware fault Critical Board hardware initialization is failed. Hardware components on the board have a fault.

Handling process

1. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board” 2. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

198084013 Description Severity

20

Ir optical port has LOS alarm Critical



Cause

FS optical module is broken, optical fiber is not connected, or corresponding RRU optical module is broken.

Handling process

Check if the optical fiber is connected normally. If the answer is no, connect it correctly; otherwise, replace FS board.


GPS clock reference source is useless Minor 1. Initializing 2. Antenna open circuit 3. Antenna overcurrent 4. The number of autotraced satellites satellites is less less than 4 5. GPS card is not-in-position 6. Not in 3D status 7. TRAIM alarm"

Handling process

1. Initializing 2. Antenna open circuit 3. Antenna overcurrent 4. The number of autotraced satellites satellites is less less than 4 5. GPS card is not-in-position 6. Not in 3D status, status, please please wait wait 7. TRAIM alarm"


STM-1 optical signals are lost. Major Antenna open circuit 1. Check whether fiber connection connection is abnormal. i.

Check whether receiving and transmitting fibers are reversely connected. Y --> Re-connect fibers according to correct receiving and transmitting direction, then Go to “ii. Check whether the alarm recovers”. N --> Go to “2 Check and clear fiber abnormity”.

ii. Check whether the alarm recovers. Y --> The alarm handling process p rocess completes.


21


N --> Go to “2 Check and clear fiber abnormity”. 2. Check and clear fiber abnormity. Check and clear fiber abnormity. Check whether the alarm recovers. Y --> The alarm handling process pr ocess completes. N --> Go to “3 Check whether local optical interface module is abnormal”. 3. Check whether local optical optical interface module is abnormal. i.

Check whether local optical interface module is abnormal.

Note: Setting the faulty optical interface to work in loop back mode cannot remove this alarm.

Y --> Go to “ii. Handle the fault on the local optical interface board”. N --> Go to “5 Check whether the peer fiber link is abnormal” ii. Handle the fault on the local optical interface interface board. Handle the fault on the local optical interface board. Check whether the alarm recovers. Y --> The alarm handling process p rocess completes. N --> Go to “4 Replace optical interface board” 4. Replace optical interface board.

Note: Replacing optical interface board will cause interruption of all services carried on the board. Therefore, please choose appropriate time to replace it.

Replace optical interface board and wait for two minutes. When the board runs normally, check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Check whether the peer fiber link is abnormal” 5. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. 

22

For the remote device fault, please remove the fault of the peer device. The alarm handling process completes.





For the optical fiber fault, please ask your customer for help to solve the optical transmission problem. The alarm handling process completes.


STM-1 loses frame synchronization Major Antenna overcurrent 1. Check whether local local optical interface board has LOS alarm. i.

Check whether the corresponding optical interface board has LOS alarm. Y --> Go to “ii. Process LOS alarm”. N --> Go to “2 Check whether the optical interface board has clock alarm”.

ii. Process LOS alarm. According to suggestions for LOS alarm, try to remove this alarm. Check whether current alarm recovers Y --> The alarm handling process p rocess completes. N --> Go to “2 Check whether the optical interface board has clock alarm”. 2. Check whether the optical interface interface board has clock alarm. i.

Check whether the corresponding optical interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm occurred on optical interface board” N --> Go to “3 Check whether local optical interface module is abnormal”

ii. Process transmission clock alarm occurred on optical interface board. According to suggestions for transmission clock alarm on optical interface board, try to remove this alarm. Check whether current alarm recovers. Y --> Alarm recovers, The alarm handling process completes. N --> Go to “3 Check whether local optical interface module is abnormal” 3. Check whether local optical optical interface module is abnormal. i.

Check whether local local optical interface module is abnormal. Y --> The local optical interface module is Go to “ii. Handle the fault on the local interface board”.


23


N --> The local optical interface module is Go to “4 Check whether RNC or transport device clock status is normal”. ii. Process the abnormity of local optical interface board. Y --> The alarm handling process completes. N --> Go to “iii. Replace optical interface board”. iii. Replace optical interface board.


Replace optical interface board. Wait until the board has finished booting. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 4. Check whether RNC or transport device clock status is normal. Try to remove RNC or transport device clock fault, and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Check whether the peer fiber link is abnormal." 5. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. 



For the remote device fault, please remove the fault of the peer device. The alarm handling process completes. For the optical fiber fault, please ask your customer for help to solve the optical transmission problem. The alarm handling process completes.


24

STM-1 MSAIS (MS Alarm Indicator Signal) Major The number of autotraced satellites is less than 4. 1. Check whether fiber connection is abnormal. i.

Check whether receiving and transmitting fibers are reversely connected.



Y --> Re-connect fibers according to correct receiving and transmitting direction, and Go to “ii. Check is the alarm recovers”. N --> Go to “2 Check and clear fiber abnormity”. ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check and clear fiber abnormity”. 2. Check and clear fiber abnormity. Check and clear the abnormity of optical fiber. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether local optical interface module is abnormal.” 3. Check whether local optical interface module is abnormal. i.

Check whether local optical interface module is abnormal. Y --> Go to “ii. Handle the fault on the local optical interface board. N --> Go to “5 Check whether the peer fiber link is abnormal.”

ii. Process the abnormity of local optical interface board. Y --> The alarm handling process completes. N --> Go to “4 Replace optical interface board”. 4. Replace optical interface board.


Replace optical interface board. Wait until the board has finished booting. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 5. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. 



For the remote device fault, please remove the fault of the peer device. The alarm handling process completes. For the optical fiber fault, please ask your customer for help to solve the optical transmission problem. Alarm process ends.


25



STM-1 AU4 loss of pointer Major GPS card is not-in-position 1. Check whether local optical interface board has relevant alarm. i.

Check whether the related optical interface board has LOS or LOF alarm. Y --> Go to “ii. Process relevant alarm” N --> Go to “2 Check whether optical interface board has clock alarm”

ii. Process relevant alarm. Check whether local optical interface board has relevant alarm i.

Check whether the related optical interface board has LOS or LOF alarm. Y --> Go to “ii. Process relevant alarm” N --> Go to “2 Check whether optical interface board has clock alarm”

ii. Process relevant alarm. According to relevant suggestions for these alarms, try to remove these alarms. Check whether current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the optical interface board has clock alarm”. 2. Check whether the optical interface board has clock alarm. i.

Check whether the related optical interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm occurred on optical interface board” N --> Go to “3 Check whether local optical interface module is abnormal”

ii. Process transmission clock alarm occurred on optical interface board. According to suggestions for transmission clock alarm on optical interface board, try to remove this alarm. Check whether current alarm recovers. Y --> The alarm handling process completes.

26



N --> Go to “3 Check whether local optical interface module is abnormal”. 3. Check whether local optical interface module is abnormal. i.

Check whether local optical interface module is abnormal. Y --> The local optical interface module is Go to “ii. Handle the fault on the local interface board”. N --> The local optical interface module is Go to “5 Check whether RNC or transport device clock status is normal”.

ii. Process the abnormity of local optical interface board. Y --> The alarm handling process completes. N --> Go to “4 Replace optical interface board”. 4. Replace optical interface board.


Replace optical interface board. Wait until the board has finished booting. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 5. Check whether RNC or transport device clock status is normal. Try to remove RNC or transport device clock fault, and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Check whether the peer fiber link is abnormal”. 6. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. 



For the remote device fault, please remove the fault of the peer device. The alarm handling process completes. For the optical fiber fault, please ask your customer for help to solve the optical transmission problem. The alarm handling process completes.


27



E1/T1 LOS (Loss Of Signal) alarm Major Hardware fault or link fault 1. Check if E1/T1 link connection is abnormal. i.

Check if E1/T1 connection is abnormal. Y->Abnormal connection, skip to "ii. Reconnect E1/T1 link" N->Normal connection, skip to "2 Check if the local E1/T1 device has a fault".

ii. Re-connect E1/T1 link. Check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered,skip to "2.Check if the local E1/T1 device has a default". 2. Check if the local E1/T1 device has a default. i.

check if the local E1/T1 device has a default Y->The local E1/T1 device has a default,skip to "2) Process the default of local interface board". N->The local E1/T1 device is normal,skip to "3 Check if the peer-end E1/T1 trunk is abnormal".

ii. Process the fault of local interface board. Process the abnormity of local E1/T1 inter face board 3. Check if the peer-end E1/T1 trunk is abnormal. Check if the peer-end E1/T1 trunk is abnormal Transport trunk has no fault Please remove the fault of peer-end device. Alarm process ends. TRansport trunk has a fault. Please ask customer's transport maintenance engineer to check trunk and solve th problem.Alarm process ends.


28

E1/T1 link loss of frame alarm Major Hardware fault or link fault



Handling process

1. Check if the local interface board has E1/T1 LOS alarm. i.

Check if the corresponding interface board has E1 LOS alarm. Y->Yes, skip to "ii. Process E1/T1 LOS alarm" N->No, skip to "2 Check if optical interface board has clock alarm"

ii. Process E1/T1 LOS alarm. According to the relevant suggestions for E1 LOS alarm, try to remove the alarm. Check if current alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to "2 Check if optical interface board has clock alarm". 2. Check if optical interface board has clock alarm. i.

From O&M console, check if the corresponding interface board has 2M transport clock alarm. Y->Yes, skip to "ii. Process 2M transport clock alarm on the interface board" N->No, skip to "3 Check if E1/T1 setting is correct".

ii. Process 2M transport clock alarm on the interface board. According to the relevant suggestions for 2M transport clock alarm on interface board, try to remove the alarm. Check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to "3 Check if E1/T1 setting is correct". 3. Check if E1/T1 setting is correct. Check E1/T1 setting, Check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to "4 Check if the corresponding E1/T1 connection is abnormal". 4. Check if corresponding E1/T1 connection is abnormal. i.

Check if E1/T1 connection is abnormal. Y->Connection is abnormal, skip to "ii. Re-connect E1/T1 link" N->Connection is normal, skip to "5 Check if local E1/T1 device has a fault".

ii. Re-connect E1/T1 link and check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to "5 Check if local E1/T1 device has a fault".


29


5. Check if local E1/T1 device has a fault. i.

Check if local E1/T1 device has a fault Y->Local E1/T1 device has a fault, skip to "ii Process the fault of local interface board". N->Local E1/T1 device is normal, skip to "6 Check if the peer-end E1/T1 trunk is abnormal".

ii. Process the fault of local interface board. Process the fault of local interface board 6. Check if the peer-end E1/T1 trunk is abnormal. Check if the peer-end E1/T1 trunk is abnormal. Transport trunk has no fault, Please remove the fault of peer-end device. Alarm process ends. Transport trunk has a fault, Please ask customer's transport maintenance engineer to check trunk and solve the problem.Alarm process ends.


E1/T1 loss of cell delineation alarm Major 1. E1/T1 setting is incorrect. 2. E1/T1 transport link connection is abnormal. 3. E1/T1 transport trunk has a problem. 4. The peer device is abnormal."

Handling process

1. Check whether local interface board has E1/T1 link relevant alarm. i.

Check whether corresponding interface board has LOS or LOF alarm, or other E1/T1 link relevant alarm. Y --> Go to “ii. Process E1/T1 link relevant alarm” N --> Go to “2 Check whether local optical interface board has clock alarm”.

ii. Process E1/T1 link relevant alarm. According to relevant suggestions, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether local optical interface board has clock alarm” 2. Check whether local optical interface board has clock alarm. i.

30

Check whether the corresponding interface board has 2M transport clock alarm.



Y --> Go to “ii. Process 2M transport clock alarm on the interface board” N --> Go to “3 Check whether E1/T1 setting is correct”. ii. Process 2M transport clock alarm on the interface board. According to the relevant suggestions of 2M transport clock alarm on interface board, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether E1/T1 setting is correct”. 3. Check whether E1/T1 setting is correct. i. 8 Check E1/T1 setting,.Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check whether the corresponding E1/T1 connection is abnormal”. 4. Check whether corresponding E1/T1 connection is abnormal. Y --> Connection is Go to “ii. Re-connect E1/T1 link”. N --> Connection is Go to “5 Check whether local E1/T1 device has a fault”. ii. Re-connect E1/T1 link. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Check whether local E1/T1 device has a fault”. 5. Check whether local E1/T1 device has a fault. i.

Check whether local E1/T1 device has a fault. Y --> Local E1/T1 device has a fault, Go to “ii. the fault of local interface board”.

Process

N --> Local E1/T1 device is Go to “6 Check whether the peer E1/T1 trunk is abnormal”. ii. Process the fault of local interface board. Process the abnormity of local E1/T1 interface board. 6. Check whether the peer E1/T1 trunk is abnormal. Check whether the peer E1/T1 trunk is abnormal. 



For the transport trunk has no fault, please remove the fault of the peer device. Alarm process ends. For the transport trunk has a fault, please ask customer's transport maintenance engineer to check trunk and solve the problem. The alarm handling process completes.


31



E1/T1 link loss of IMA frame alarm Major 1. E1/T1 fault 2. IMA link belonged group setting has a problem. 3. Local IMA is fault. 4. The peer IMA fault 5. Clock is not synchronous."

Handling process

1. Check whether local interface board has E1/T1 relevant alarm. i.

Check whether the corresponding interface board has E1/T1 relevant alarm, such as LOS or LOF. Y --> Go to “ii. Process E1/T1 relevant alarm” N --> Go to “2 Check whether local interface board has clock alarm”

ii. Process E1/T1 relevant alarm. According to the relevant suggestions for E1 LOS alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether local interface board has clock alarm”. 2. Check whether local interface board has clock alarm. i.

Check whether the corresponding interface board has 2M transport clock alarm. Y --> Go to “ii. Process 2M transport clock alarm on the interface board”. N --> Go to “3 Check IMA setting”.

ii. Process 2M transport clock alarm on the interface board. According to the relevant suggestions for 2M transport clock alarm on interface board, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check IMA setting”. 3. Check IMA setting. Check IMA setting and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check whether the corresponding E1/T1 connection is abnormal”.

32



4. Check whether the corresponding E1/T1 connection is abnormal. i.

Check whether E1/T1 connection is abnormal. Y --> Connection is Go to “ii. Re-connect E1/T1 link”. N --> Connection is Go to “5 Check whether local IMA group has a fault”.

ii. Re-connect E1/T1 link and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Check whether local IMA group has a fault”. 5. Check whether local IMA group has a fault. i.

Check whether local IMA group has a fault. Check whether local IMA link has a fault. Y --> Go to “ii. Process the fault of local interface board”. N --> Go to “6 Check the fault of E1/T1 trunk or remote IMA group”.

ii. Process the fault of local interface board Process the abnormity of local E1/T1 interface board. 6. Check the fault of E1/T1 trunk or remote IMA group. Check whether the peer E1/T1 trunk is abnormal. 



For the transport trunk has no fault, please remove the fault of the peer device. The alarm handling process completes. For the transport trunk has a fault, please ask customer's transport maintenance engineer to check trunk and solve the problem. The alarm handling process completes.


E1/T1 IMA group is not operational Major 1. E1/T1 fault. 2. IMA link belonged group setting has a problem. 3. Local IMA fault. 4. The peer IMA fault.

Handling process

1. Check whether local interface board has E1/T1 relevant alarm. i.

Check whether the corresponding interface board has E1/T1 relevant alarm, such as LOS or LOF.


33


Y --> Go to “ii. Process E1/T1 relevant alarm”. N --> Go to “2 Check whether local interface board has clock alarm”. ii. Process E1/T1 relevant alarm. According to the relevant suggestions, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether local interface board has clock alarm”. 2. Check whether local interface board has clock alarm. i.

Check whether the corresponding interface board has 2M transport clock alarm. Y --> Go to “ii. Process 2M transport clock alarm on the interface board.” N --> Go to “3 Check whether E1/T1 setting is correct”.

ii. Process 2M transport clock alarm on the interface board. According to the relevant suggestions for 2M transport clock alarm on interface board, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether E1/T1 setting is correct”. 3. Check whether E1/T1 setting is correct. i.

8 Check recovers.

E1/T1

setting,. Check

whether

the

alarm

Y --> The alarm handling process completes. N --> Go to “4 Check whether the corresponding E1/T1 connection is abnormal”. 4. Check whether corresponding E1/T1 connection is abnormal. i. Check whether corresponding E1/T1 connection is abnormal. Y --> Connection is Go to “ii. Re-connect E1/T1 link”. N --> Connection is Go to “5 Check whether local E1/T1 device has a fault”. ii. Re-connect E1/T1 link. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Alarm is not recovered, sip to “5 Check whether local E1/T1 device has a fault”. 5. Check whether local E1/T1 device has a fault. i.

34

Check whether local E1/T1 device has a fault.



Y --> Local E1/T1 device has a fault, Go to “ii. the fault on local interface board”.

Process

N --> Local E1/T1 device is Go to “6 Check whether the peer E1/T1 trunk is abnormal”. ii. Process the fault on local interface board. Process the fault on local E1/T1 interface board. 6. Check whether the peer E1/T1 trunk is abnormal. Check whether the peer E1/T1 trunk is abnormal. For the transport trunk has no fault, please remove the fault of the peer device. The alarm handling process completes. For the transport trunk has a fault, please ask customer's transport maintenance engineer to check trunk and solve the problem. Alarm process ends.


E1/T1 remote receiving fault Major 1. E1/T1 transport link connection is abnormal. 2. E1/T1 transport trunk has a problem. 3. The peer device is abnormal. 4. Local device has a fault.

Handling process

1. Check whether abnormal.

the

corresponding

E1/T1connection

is

Check whether E1/T1 connection is abnormal. Y --> The alarm handling process completes. N --> Go to “2 Check whether local E1/T1 device has a fault”. 2. Check whether local E1/T1 device has a fault. i.

Check whether local E1/T1 device has a fault. Check whether local E1/T1 device has a fault. Y --> Go to “ii. Process the fault of local interface board”. N --> Go to “3 Check whether the peer E1/T1 trunk is abnormal”.

ii. Process the fault of local interface board. Process the abnormity of local E1/T1 interface board. 3. Check whether the peer E1/T1 trunk is abnormal. Check whether the peer E1/T1 trunk is abnormal.


35






For the transport trunk has no fault, please remove the fault of the peer device. The alarm handling process completes. For the transport trunk has fault, please ask customer's transport maintenance engineer to check trunk and solve the problem. The alarm handling process completes.


E1/T1 link self-loop Minor Customer has set E1 link to be looped back locally or remotely. 1. Cancel loop-back setting of E1 link locally or remotely. i.

Check whether E1 link is in self-loop state. Y --> Cancel the self-loop setting and Go to “ii. Check whether the alarm recovers”. N --> Please contact ZTE Corporation.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PVC fault Major Fail to receive response, and this case occurred 3 times 1. Check whether PVC parameter is correctly configured. i.

Through OMC console, check whether PVC parameter is correctly configured. Y --> Configuration is Go to “2 Check whether PVC related IUB port has an alarm”. N --> Configuration is wrong, Go to “ii. Change PVC link parameter”

ii. Change PVC link parameter, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether PVC related IUB port has an alarm”. 2. Check whether PVC related IUB port has an alarm.

36



Solve the problem of IUB port (STM1, IMA, TC) alarm, which affects PVC link. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether remote device supports OAM F5 loop-back test function” 3. Check whether remote device supports OAM F5 loop-back test function. Y --> Go to “4 Self-loop test”. N --> Cancel this function from local OMC terminal and the alarm handling process completes. 4. Self-loop test. Use self-loop test function and check whether local alarm recovers. Y --> Go to “6 Check whether the fault is about the connection to remote device” N --> Go to “5 Process the fault on local interface board”. 5. Process the fault on local interface board. Process the fault on local E1/T1 interface board. 6. Check whether the fault is about the connection to remote device. Check whether the E1/T1 trunk, connecting to remote device, is abnormal. 



For the transport trunk has no fault, please remove the fault of the peer device. The alarm handling process completes. For the transport trunk has a fault, please ask customer's transport maintenance engineer to check trunk and solve the problem. The alarm handling process completes.


FE network port connection is broken Major 1. Network cable fault. 2. Remote network port fault. 3. Local network port fault.

Handling process

1. Check whether network cable is connected normally. Please check whether the network cable has the following problems. i.

Network cable is not tightly connected.

ii. Network cable is bad.


37


Please solve the above problem if there is any. After that, please check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether local network port is abnormal". 2. Check whether local network port is abnormal. i.

Check whether local network port is abnormal. Use a good network cable to directly connect the alarm network port and another network port. Check whether the alarm recovers. Y

 Go

to “ii. Process the fault of local interface board”.

N

 Go

to “3 Process the fault of remote network port”.

ii. Process the fault of local interface board.

Note: Resetting or replacing the interface board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to reset or replace it.

Reset the fault interface board. After successful booting, please check whether the alarm recovers. Y

 The

alarm handling process completes

N

 Please

contact ZTE Corporation.

iii. Replace fault interface board. Replace the interface board. Wait until the board has finished booting and RUN light flashes normally (in 1Hz frequency). Query the alarm status of the corresponding board and Check whether the original alarm still exists. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes. 3. Process the fault of remote network port. Please try to remove the fault of remote device. The alarm handling process completes.


38

SSCOP signaling link is broken Major 1. Physical link, which carries PVC link, has a fault.



2. The configuration of PVC parameters is wrong. 3. Board is abnormal." Handling process

1. Check whether there is Iub (STM1, IMA, TC) interface alarm, which affects PVC link. i.

Solve the Iub (STM1, IMA, TC) alarm, which affects PVC link.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the configuration of PVC parameter is correct”. 2. Check whether the configuration of PVC parameters is correct. i.

From OMC console, check the configuration of PVC link parameters.

ii. Check Port ID, bandwidth of VPI, VCI and PVC, ATM address, and then check whether the configuration is consistent with the peer. Y --> Configuration is Go to “4 Link self-test”. N --> Configuration is Go to “3 Reconfigure PVC link”. 3. Reconfigure PVC link. i.

Delete the fault PVC link from PVE link configuration screen.

ii. Add PVC link from PVC link configuration screen, where attribute should be kept same as the peer. After setting, check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Link self-loop test”. 4. Link self-loop test. Conduct link self-test, and then check whether the alarm recovers. Y  The remote transmission device has a fault. Please remove it. The alarm handling process completes. N

 Go

to “5 Reset alarm board”.

5. Reset alarm board. Wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y

 The

alarm handling process completes.

N

 Please



39



SSCOP transmission buffer is overflow. Major 1. Node B clock fault. 2. Poor transmission quality. 3. The PVC belonged board has a fault. 4. The configured link bandwidth is very small."

Handling process

1. Check whether there is Iub (STM1, IMA, TC) interface alarm, which affects PVC link. i.

Solve the Iub (STM1, IMA, TC) interface alarm, which affects PVC link.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether there is clock alarm, which affects Iub interface”. 2. Check whether there is clock alarm, which affects Iub interface. i.

Solve the clock alarm, which affects Iub interface.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether bandwidth meets transmission requirement” 3. Check whether bandwidth meets transmission requirement. i.

View PVC link bandwidth from OMC console. Y --> Bandwidth meets requirement, Go to “4 Reset the faulty board”. N --> Bandwidth doesn't meet requirement, Go to “ii. Change the configuration of PVC link bandwidth”.

ii. Change the configuration of PVC link bandwidth, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset the faulty board”. 4. Reset the faulty board. Reset the faulty board, wait for two minutes until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Check and improve quality of transmission link”.

40



5. Check and improve quality of transmission link. Ask transmission maintenance engineers to check transmission link and try to solve the problem. If transmission becomes normal, but the alarm still exists, Please contact ZTE Corporation.


SCTP association is interrupted. Major 1. Local FE configuration error. 2. Association parameter is wrongly configured locally or remotely. 3. Bottom layer cannot communicate with its peer end. 4. Board fault.

Handling process

1. Check whether there is FE port related alarm. i.

Check whether there is FE port related alarm. Y --> Go to “ii. Process FE port related alarm”. N --> Go to “2 Check whether parameter is correctly configured”.

SCTP

association

ii. Process FE port related alarm. According to relevant suggestions for FE port related alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Check whether SCTP association parameter is correctly configured”. 2. Check whether SCTP association parameter is correctly configured. i.

From OMC console, view the configuration of SCTP association parameter.

ii. Check whether remote address and remote port ID of SCTP association are consistent with local address and local port ID, if FE port selection is consistent with local configuration. Y

 Go

to “iii. Wait for alarm recovery”.

N

 Go

to “3 Reconfigure SCTP association”.

iii. Wait for alarm recovery. Wait for a period of time and Check whether the alarm recovers. Y

 The

alarm handling process completes.


41


N

 Please


3. Reconfigure SCTP association. i.

Delete the fault association configuration screen.

from

SCTP

association

ii. Add SCTP association from SCTP association configuration screen, where attribute should be kept the same as the peer. After setting, check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


SCTP association stream buffer is congested. Major Application layer frequently sends data to one SCTP association stream. 1. Wait until system auto-recovery. Wait for fifteen minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


SCTP association network is congested. Major 1. The peer cannot timely give any response due to very high load. 2. Physical link connection has a fault.

Handling process

1. Wait for system auto-recovery. Wait for fifteen minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

198084033 Description

42

RNC IP is unavailable



Severity Cause

Warning 1. Network cable fault. 2. The configuration of local FE parameters is wrong. 3. Remote network port fault. 4. Local network fault.

Handling process

1. Check whether network cable is abnormal. Please check whether network cable has the following problem. i.


ii. Network cable is bad. Please solve the above problem if there is any. 2. Check whether FE parameters of local network port are correctly configured. Check FE parameters such as NODE B IP address, gateway IP, subnet mask. Make sure the parameters are correctly configured. 3. If router or network gateway is connected, please check the corresponding configuration.


PPP Link Broken Major Iub link fault 1. If PPP Link is configed on E1/STM1/FE link,Check Check whether there is a E1/STM1/FE alarm Y --> Go to “2. Deal E1/STM1/FE link alarm” N --> Go to “3. Reset the faulty board” 2. Deal E1/STM1/FE link alarm Deal this alarm first. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3.Reset the faulty board”. 3. Reset the faulty board Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the faulty board” 4. Replace the faulty board.


43


Replace the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PPP LinkUnusable Major Iub link fault 1. If PPP Link is configured on PPPoE/HDLC, check whether there is a FE/HDLC alarm Y --> Go to “2.Deal FE/HDLC link alarm” N --> Go to “3.Reset the faulty board” 2. Process FE/HDLC link alarm Process this alarm first. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3.Reset the faulty board”. 3. Reset the faulty board Reset the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4.Replace the faulty board” 4. Replace the faulty board. Replace the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


SCTP stream number mismatch Major SCTP stream number mismatch 1. Check up RNC maximum of link is the same as Node B configuration 2. Delete this SCTP association and reconfigure it. Check whether the alarm recovers.

44



Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


TMB downlink bypass alarm Minor 1. Primary channel over-power alarm: when the maximum output power exceeds 47.3dBm +- 0.5dB. 2. Primary channel over-VSWR alarm: when VSWR exceeds 1.8, only alarm, auto-protection shut-down function is not required. When VSWR exceeds 2.8 and output power is greater than 35dBm, alarm and auto-protection shut-down function is required. 3. Primary channel over-temperature alarm: when its internal maximum working temperature exceeds 95.C +- 5.C. 4. Primary channel DC over-current alarm: when the DC current exceeds 150%. 5. Primary channel device fault alarm: e.g. working voltage is out of -40VDC~-57VDC range, PA is broken. 6. TMB gate alarm: when TMB gate is opened, alarm shown at PAU panel. The alarm may be viewed through RS485. 7. PAU and TMB communication abnormal alarm: PAU communicates with TMB through RS485. This type of alarm includes: software download is abnormal, RF channel between PAU and TMB is not connected, etc. The alarm may be viewed through RS485.

Handling process

1. TMB is powered down and powered on. Power down and power on TMB, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


TMB uplink bypass alarm Minor Receiving channel LNA is abnormal. 1. TMB is powered down and powered on. Power down and power on TMB, and then check whether the alarm recovers.


45




TMA channel current input is interrupted. Major 1. The TMA related power cable is not well connected. 2. The configured threshold is different from real TMA threshold. 3. The TMA related power cable is in the state of open circuit. 4. TAC fault. 5. TMA fault

Handling process

1. Check whether the alarm threshold of TMA power supply is configured correctly. i.

Check whether the configured minimum current is consistent with real TMA threshold (Generally speaking, it is assumed as fault when TMA power current is less than 40mA). Y --> Go to “2 Check whether power cable of TMA channel is well connected”. N --> Go to “ii. Change the alarm threshold of TMA power supply”.

ii. Change the alarm threshold of TMA power supply. Change the configured minimum threshold of power current so that it is consistent with real TAM threshold. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether power cable of TMA channel is well connected”. 2. Check whether connected”. i.

power

cable

of

TMA

channel

is

well

Check whether the related power cable of TMA channel is well connected. Y --> Connection is Go to “3 Check whether the state between TMA power cable and ground is open circuit or high resistance.” N --> Cable connection error, re-connect the cable, Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes.

46



N --> Go to “3 Check whether the state between TMA power cable and ground is open circuit or high resistance”. 3. Check whether the state between TMA power cable and ground is open circuit or high resistance. i.

Use multi-meter to detect if the state between TMA power cable and ground is open circuit or high resistance. Y --> Open circuit or high resistance state, replace this cable, Go to “ii. Check whether the alarm recovers”. N --> Go to “4. Replace TAC”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace TAC”. 4. Replace TAC. Replace TAC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace TMA”. 5. Replace TMA. Replace TMA, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


TMA channel input is over current Major 1. The configured threshold is not consistent with real TMA threshold. 2. The connection between TMA power cable and ground is in the state of short circuit or low resistance. 3. TAC fault 4 TMA fault

Handling process

1. Check whether the alarm threshold of TMA power supply is configured correctly. i.

Check whether the configured minimum current is consistent with real TMA threshold (General speaking, it is assumed as over current when the TMA power current is greater than 135mA and less than 200mA). Y --> Go to “2 Check whether the state between TMA power cable and ground is short circuit or low resistance”.


47


N --> Go to “ii. Change the alarm threshold of TMA power supply”. ii. Change the alarm threshold of TMA power supply. Change the configured upper limit of working current so that it is consistent with real TMA threshold. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the state between TMA power cable and ground is short circuit or low resistance”. 2. Check whether the state between TMA power cable and the ground is short circuit or low resistance. i.

Use multi-meter to Check whether the state between TMA power cable and ground is short circuit or low resistance. Y --> Short circuit or low resistance, replace the cable, Go to “ii. Check whether the alarm recovers”. N --> Go to “3.

Replace TAC”.



TMA channel input is over current seriously. Major 1. The configured threshold is inconsistent with real TMA threshold. 2. The connection between TMA cable and ground is in the state of short circuit. 3. TAC fault.

48



4. TMA fault. Handling process

1. Check whether TMA power current is normal. Stop TAC from powering ATMA, and then use the multi-meter to check whether TAC output voltage is normal. Y --> Go to “2 Check whether the state between TMA power cable and ground is short circuit or low resistance”. N --> Go to “3 Replace TAC”. 2. Check whether the state between TMA power cable and ground is short circuit or low resistance. i.

Use multi-meter to Check whether the state between TMA power cable and ground is short circuit or low resistance. Y --> Short circuit or low resistance, replace this cable, Go to “ii. Check whether the alarm recovers”. N --> Go to “3. Replace TAC”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace TAC”. 3. Replace TAC. Replace TAC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace TMA” 4. Replace TMA. Replace TMA, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


TMA channel input is under current. Major 1. The configured threshold is incorrect. 2. The TMA related power cable is in the state of open circuit or high resistance. 3. TAC fault 4. TMA fault

Handling process

1. Check whether the alarm threshold of TMA power supply is configured correctly.


49


i.

Check whether the configured lower limit of working current is consistent (Generally speaking, the default threshold of TMA under-current alarm is 70~80mA). Y --> Go to “2 Check whether the state between TMA power cable and ground is open circuit or high resistance. N --> Go to “ii. Change the alarm threshold of TMA power supply”

ii. Change the alarm threshold of TMA power supply. Change the configured lower limit of TMA working current, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the state between TMA power cable and ground is open circuit or high resistance”. 2. Check whether the state between TMA power cable and ground is open circuit or high resistance. i.

Use multi-meter to Check whether the state between TMA power cable and ground is open circuit or high resistance. Y --> Open circuit or high resistance state, replace this cable, Go to “ii. Check whether the alarm recovers”. N --> Go to “3 Replace TAC”.



50

ATMA bypass alarm Major 1. ATMA is seriously over-current or without any gain.



2. Power supply part of TAC is broken. Handling process

1. Reset TAC. Reset TAC through OMC console, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether ATMA power supply is normal”. 2. Check whether ATMA power supply is normal. Let TAC not provide power to ATMA. Use multi-meter to check whether TAC output voltage is normal. Y --> Go to “3 Replace ATMA” N --> Go to “4 Replace TAC”. 3. Replace ATMA. Replace ATMA, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 4. Replace TAC. Replace TAC, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA LNA alarm Warning 1. ATMA is over current for a short time or its gain is reduced. 2. The internal alarm detection circuit of ATMA LNA is broken, which causes false alarm."

Handling process

1. Reset TAC. Reset TAC through OMC console, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether TMA power supply is normal”. 2. Check whether ATMA power supply is normal. Let TAC not provide power to ATMA. Use multi-meter to Check whether TAC output voltage is normal Y --> Go to “3 Replace ATMA” N --> Go to “4 Replace TAC” 3. Replace ATMA.


51


Replace ATMA, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 4. Replace TAC. Replace TAC, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Antenna VSWR alarm Minor 1. DDL or antenna is not well connected with cables. 2. The cable between DDL and antenna is damaged. 3. Antenna fault"

Handling process

1. Check whether the corresponding PA has VSWR alarm. i.

Check whether the PA has VSWR alarm. Y --> Go to “ii. Process VSWR alarm of the PA” N --> Go to “2 Check whether antenna connection is normal”.

ii. Process VSWR alarm of the PA. According to relevant suggestions for PA VSWR alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether antenna connection is normal”. 2. Check whether antenna connection is normal. i.

Check whether the corresponding DDL antenna port is normally connected with antenna. Y --> Go to “3 Replace the antenna”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the antenna”. 3. Replace the antenna. Replace the antenna, which is related to the DDL antenna port, and then check whether the alarm recovers.

52



Y --> The alarm handling process completes. Y --> Please contact ZTE Corporation.


Antenna over VSWR alarm Major 1. DDL or antenna is not well connected with cables. 2. The cable between DDL and antenna is damaged. 3. Antenna fault"

Handling process

1. Check whether antenna is connected normally. i.

Check whether the corresponding DDL antenna port is normally connected with antenna. Y --> Go to “2 Replace antenna”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace antenna”. 2. Replace antenna. Replace the antenna, which is related to the DDL antenna port, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Over power alarm at calibration port Warning 1. The calibration port at front panel of RDM board receives large power signals, higher than 30dBm. 2. The power detected at RDM calibration port is inaccurate."

Handling process

1. Check whether there is RF cable which connects RDM calibration port and DDL antenna port. Y --> Go to “2 Check whether the corresponding DDL bears any cell”. N --> Go to “3 Check whether PA power is greater than 32dBm”. 2. Check whether the corresponding DDL bears any cell.


53


i.

Check whether the corresponding DDL bears any local cell. Y --> Go to “ii. Check whether the local cell related cell is blocked”. N --> Go to “3 Check whether PA power is greater than 32dBm”.

ii. Check whether the local cell related cell is blocked. Y --> Go to “3 Check whether PA power is greater than 32dBm”. N --> Go to “iii. Block local cell”. iii. Block local cell. Block local cell and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether PA power is greater than 32dBm”. 3. Check whether PA power is greater than 32dBm. Y --> Please contact ZTE. Assist ZTE to determine the abnormity of transmission channel, including related Tx board and PA. N --> Go to “4 Reset RDM board”. 4. Reset RDM board. Wait for two minutes. When the status of the board becomes normal, conduct RDM static calibration. Check whether the alarm still occurs. Y --> Go to “5 Replace RDM board”. N --> The alarm handling process completes. 5. Replace RDM board. Wait for two minutes. When the status of the board becomes normal, conduct RDM static calibration. Check whether the alarm still occurs. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


54

Calibration file on TRx board is abnormal. Minor The corresponding board calibration data is incomplete or damaged. 1. Replace the faulty board.



Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Forward channel bottom layer calibration file on RDM board is abnormal Minor Forward channel bottom layer calibration file data on RDM board is incomplete or damaged. 1. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Reverse channel bottom layer calibration file on RDM board is abnormal Minor Reverse channel bottom layer calibration file data on RDM board is incomplete or damaged. 1. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Calibration port bottom layer calibration file on RDM board is abnormal Minor Calibration port bottom layer calibration file data on RDM board is incomplete or damaged.


55


Handling process

1. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Temperature compensation file on RDM board is abnormal. Minor Temperature compensation file data on RDM board is incomplete or damaged. 1. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Forward channel system calibration file on RDM board is abnormal. Minor Forward channel system incomplete or damaged.

calibration

file

data

on

RDM

is

1. Conduct RDM static calibration. Conduct static calibration on the corresponding port and reset the board. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board and re-conduct static calibration. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

56




Reverse channel system calibration file on RDM board is abnormal. Minor Reverse channel system incomplete or damaged.

calibration

file

data

on

RDM

is

1. Conduct static calibration. Conduct static calibration on the corresponding port and reset the board. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board and re-conduct static calibration. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Downlink digital IF crest factor reduction alarm Minor 1. Digital signal PAR is very high. 2. Hardware is damaged. 3. DAC clock is unlocked. 4. Baseband board or interface board fault. 5. PA fault 6. Main control board fault 7. RDM board fault"

Handling process

1. Check whether RF cables are connected correctly. i.

Check RF cable connection, especially Check whether PA feedback cable is connected correctly. Y --> Go to “2 Check whether PA works normally” N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether PA works normally”.


57


2. Check whether PA works normally. i.

Check whether the PA works connected with the faulty board.

normally,

which

is

Y --> Go to “3 Reset the faulty board” N --> Go to “ii. Process the abnormity of PA” ii. Process the abnormity of PA. Solve the PA abnormity and Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset the faulty board”. 3. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check whether digital power output is normal”. 4. Check whether digital power output is normal. i.

Check whether digital power output is normal. Y --> Go to “5 Unplug and plug in the faulty board”. N --> Go to “ii. Process the abnormity of digital power”

ii. Process the abnormity of digital power. Solve the abnormal problem of digital power. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Unplug and plug in the faulty board”. 5. Unplug and plug in the faulty board. Unplug and plug in the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace the faulty board”. 6. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Downlink digital IF pre-distortion alarm



Severity Cause

Minor 1. DPD chip runs abnormally; 2. Software operation on DPD is failed.

Handling process

1. Reset the fault board Reset the fault board, wait for 5 minutes, then check if the alarm is recovered or not. Y-> Yes, end alarm processing N-> No, skip to"2 Replace the fault board" 2. Replace the fault board Replace the fault board, wait for 5 minutes, then check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, Please contact ZTE


Downlink digital IF DAC clock is unlocked. Major 1. Reference clock fault 2. Hardware is damaged."

Handling process

1. Check whether the faulty board has PLL unlocked alarm. i.

Check whether the faulty board has PLL unlocked alarm. Y --> Go to “ii. Process PLL unlocked alarm” N --> Go to “2 Reset the faulty board”

ii. Process PLL unlocked alarm. According to relevant suggestions for PLL alarm, try to remove this alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board.


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Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Downlink digital power exceeds rated power slightly. Warning Input digital signal is wrong. When this alarm occurs, Please contact ZTE Corpor ation.


Downlink digital power greatly exceeds rated power. Major Input digital signal is wrong. When this alarm occurs, Please contact ZTE Corpor ation.


RF board PLL alarm Major 1. Clock input from main control board is wrong. 2. Board hardware fault

Handling process

1. Unplug and plug in the faulty board. Unplug and plug in the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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RDM PLL alarm Major 1. Clock input from main control board is wrong. 2. RDM board hardware fault

Handling process

1. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether other board has PLL unlocked alarm” 2. Check whether other board has PLL unlocked alarm. Y --> The main control board has a fault and please solved the problem first. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Transmission RF channel fault Major Fail to initialize chips on RF board. 1. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Receiving RF channel fault Major Fail to initialize chips on RF board. 1. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


LNA alarm Major 1. Board is not properly installed or backplane slot has a problem. 2. The internal LNA is damaged. 3. The internal LNA alarm detection circuit is broken. Therefore, false alarm is reported.

Handling process

1. Unplug and plug in board. Unplug and plug in board, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether board is normal”. 2. Check whether board is normal. Use a board with good LNA and plug it in the slot. Check whether the alarm recovers. Y --> Go to “3 Replace the faulty board”. N --> Please contact ZTE Corporation. 3. Replace the faulty board. Replace the faulty board and Check whether the alarm recovers.

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Abnormal power Major 1. PA is not enabled. 2. PA transmit power is abnormal. 3. TRx board has a fault."

Handling process

1. Check whether PA is enabled. i.

Check whether the corresponding PA is enabled. Y --> Go to “2 Reset PA”. N --> Go to “ii. Enable PA”

ii. Enable PA and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset PA”. 2. Reset PA. Reset PA, wait until the PA works normally, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace PA board”. 3. Replace PA board Replace PA board and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset the fault TRx board”. 4. Reset the faulty TRx board Reset the faulty TRx board and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace the fault TRx board”. 5. Replace the faulty TRx board. Replace the faulty TRx board and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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DSP load failure Major The loading of DSP software failed 1. Reset the faulty board. Reset the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the faulty board”. 2. Replace the faulty board. Replace the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


DSP run error Major DSP run error 1. Check whether the status of PA is stopped. Y --> Yes, start the PA, if the alarm recovers, alarm process ends. N --> Go to “2.Check the connected line.” 2. Check whether the connected line of RF between the RF board and PA is normal. Y --> It indicates that the connected line is open. Connect it well. If the alarm recovers, the alarm handling process completes. N --> Go to “3. Reboot the faulty board.” 3. Reboot the faulty board. Reboot the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4.Replace the faulty board.” 4. Replace the faulty board.

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Replace the faulty board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Environmental temperature is high Major 1. The environmental temperature of Node B rack is higher than system configured upper limit. 2. Fan fault. 3. Air conditioner problem. 4. The temperature sensor in fan box at PA layer has a fault. 5. The FCD (Flow Control Device) in fan box at PA layer has a fault. 6. EMU fault.

Handling process

1. Please check if the air conditioner in equipment room works normally. Y->Normal, skip to “5. Detect and remove the temperature sensor fault in fan box at PA layer”. N->Abnormal, please solve the abnormity of air conditioner. 2. Detect and remove the temperature sensor fault in fan box at PA layer. i.

Check and detect the fault of temperature sensor in fan box of PA layer. Check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “6. Reset environmental monitoring unit”. 3. Reset environmental monitoring unit (EMU). i.

Deplug and plug the EMC; wait for 2 minutes; check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “7. Detect and remove the connector fault, which locates at EMU backplane”. 4. Detect and remove the connector fault, which is located at EMU backplane. i.

Detect and remove the fault of connector, which is located at EMU backplane Check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends.


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N->Alarm is not recovered, skip to “8. Replace the FCD in fan box at PA layer”. 5. Replace the FCD in fan box at PA layer. i.

Replace FCD; check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “9. Detect and remove the cable fault, which connects EMU backplane and fan box. 6. Detect and remove the cable fault, which connects EMU backplane and fan box. i.

Detect and remove the fault cable between EMU backplane and fan box Check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “10. Replace the EMC board”. 7. Replace the EMC board. i.

Replace the EMC board; wait for 2 minutes; check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, please contact ZTE.


Environmental temperature is low. Major 1. The environmental temperature of Node B rack is under lower limited, configured by the system. 2. Air conditioner problem. 3. The temperature sensor in fan box at PA layer has a fault. 4. The FCD (Flow control Device) in fan box at PA layer has a fault. 5. EMU fault."

Handling process

1. Check the configured lower limit of system environmental temperature. i.

Check whether the configured lower environmental temperature is too high.

limit

of

Y --> Go to “2. Check real value of environmental temperature”. N --> Go to “ii. Change environmental temperature”.

the

alarm

threshold

of

ii. Change the alarm threshold of environmental temperature. Check whether the alarm recovers.

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Y --> The alarm handling process completes. N --> Go to “2. Check real value of environmental temperature”. 2. Check the difference between real value and system detected value of environmental temperature. i.

Check whether the difference between real environmental temperature and system detected temperature exceeds 60C. Y --> Go to “5. Detect and remove the environmental sensor fault in fan box at PA layer”. N --> Go to “3. Check whether there is a fan alarm”.

3. Check whether there is a fan alarm. i.

Check whether there is a fan alarm. Y --> Go to “ii. Process fan alarm”. N --> Go to “4. Check whether air conditioner works normally”.

ii. Process fan alarm. According to relevant suggestions for fan alarm, try to remove this alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “4. Check whether air conditioner works normally”. 4. Check whether air conditioner works normally. i.

Please check whether the air conditioner in equipment room works normally. Y --> Go to “5. Detect and remove the temperature sensor fault in fan box at PA layer”. N --> Please solve the abnormity of air conditioner.

5. Detect and remove the temperature sensor fault in fan box at PA layer. i.

Check and detect the fault of temperature sensor in fan box of PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Reset environmental monitoring unit”.

6. Reset environmental monitoring unit (EMU). i.

Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7. Detect and remove the connector fault, which locates at EMU backplane”.


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7. Detect and remove the connector fault, which locates at EMU backplane. i.

15 Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “8. Replace the FCD in fan box at PA layer”.

8. Replace the FCD in fan box at PA layer. i. Replace FCD, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “9. Detect and remove the cable fault, which connects EMU backplane and fan box”. 9. Detect and remove the cable fault, which connects EMU backplane and fan box. i.

16 Detect and remove the fault cable between EMU backplane and fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “10. Replace EMC board”.

10. Replace EMC board. i.

Replace the EMC, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Device temperature is high Major 1. Device temperature is over high; 2. Fan problem; 3. Air conditioner problem; 4. The temperature sensor in fan box at control layer has a fault. 5. The FCC (Fan Centrifugal Control) board in fan box at control layer has a fault. 6. EMU fault

Handling process

1. Check if the temperature at air outlet of control layer is higher than 70 C. °

Y->Skip to “2. Check if there is a fan alarm”.

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N->Skip to “5. Detect and remove the temperature sensor fault in fan box at control layer”. 2. Check if there is a fan alarm. i.

Check if there is a fan alarm.

Y->Yes, skip to “ii Process fan alarm”. N->No, skip to “3. Detect and remove the temperature sensor fault in fan box at control layer”. ii. Process fan alarm. According to relevant suggestions for fan alarm, try to remove this alarm. Check if the current alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to “3. Detect and remove the temperature sensor fault in fan box at control layer”. 3. Detect and remove the temperature sensor fault in fan box at control layer. i.

Detect and remove the fault of temperature sensor in fan box at PA layer Check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “4. Reset EMU”. 4. Reset EMU. i.

Deplug and plug the EMC; wait for 2 minutes; check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “5. Detect and remove the connector fault, which locates at EMU backplane”. 5. Detect and remove the connector fault, which locates at EMU backplane. i. Detect and remove the fault of connector, which is located at EMU backplane Check if the alarm is recovered. Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “6. Replace FCC board in fan box at control layer”. 6. Replace FCC board in fan box at control layer. i.

Replace the FCC board in fan box at control layer; check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “7. Detect and remove the cable fault, which connects EMU backplane and fan box”. 7. Detect and remove the cable fault, which connects EMU backplane and fan box.


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i.

Detect and remove the fault cable between EMU backplane and fan box Check if the alarm is recovered.

Y->Alarm is recovered, alarm process ends. N->Alarm is not recovered, skip to “8. Replace EMC”. 8. Replace EMC.


Device temperature is low Major 1. Device temperature is too low. 2. Air conditioner problem. 3. The temperature sensor in fan box at control layer has a fault. 4. The FCC (Fan Centrifugal Control) board in fan box at control layer has a fault. 5. EMU fault

Handling process

1. Check whether device temperature is lower than -15oC. Check whether the temperature at air outlet of control layer is lower than -15oC. Y --> Go to “2. Check whether air conditioner works normally”. N --> Go to “3. Detect and remove the temperature sensor fault in fan box at control layer”. 2. Check whether air conditioner works normally. Please check whether the air conditioner in equipment room works normally. Y --> Go to “3. Detect and remove the temperature sensor fault in fan box at PA layer”. N --> Please solve the abnormity of air conditioner. 3. Detect and remove the temperature sensor fault in fan box at control layer. Detect and remove the fault of temperature sensor in fan box at PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset EMU”. 4. Reset EMU. Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> Alarm recovers, alarm process e nds.

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N --> Go to “5. Detect and remove the connector fault, which locates at EMU backplane”. 5. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “6. Replace the FCC board in fan box at control layer”. 6. Replace the FCC board in fan box at control layer. Replace the FCC board in fan box at control layer, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7. Detect and remove the cable fault, which connects EMU backplane and fan box”. 7. Detect and remove the cable fault, which connects EMU backplane and fan box. Detect and remove the fault cable between EMU backplane and fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “8. Replace EMC”. 8. Replace EMC. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Whole set temperature rising alarm Major 1. The difference between device temperature environmental temperature exceeds 15oC.

and

2. Fan problem. 3. Air conditioner problem. 4. Dust-proof net of the Node B rack is blocked. 5. The temperature sensor in fan box at control layer has a fault. 6. The temperature sensor in fan box at PA layer has a fault. 7. The FCC (Fan Centrifugal Control) board in fan box at control layer has a fault.


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8. The FCD (Flow Control Device) in fan box at control layer has a fault. 9. EMU fault. Handling process

1. Check whether the difference between device temperature and environmental temperature exceeds 15oC. i.

Query the values of temperature at air outlet of control layer and air intake of PA layer.

ii. Compare the two values, and then check whether the difference exceeds 15oC. Y --> Go to “2. Check whether there is a fan alarm”. N --> Go to “5. Detect and remove the temperature sensor fault in fan box at control layer”. 2. Check whether there is a fan alarm. i.

Check whether there is a fan alarm. Y --> Go to “ii. Process fan alarm”. N --> Go to “3. Check whether air conditioner works abnormally”.

ii. Process fan alarm. According to the relevant suggestions for fan alarm, try to remove this alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Check whether air conditioner works abnormally” 3. Check whether air conditioner works abnormally. Please check whether the air conditioner in equipment room works abnormally. Y --> Please solve the abnormity of air conditioner. N --> Go to “4. Check whether dust-proof net on Node B rack is blocked”. 4. Check whether dust-proof net on Node B rack is blocked. Y --> Clean it up. N --> Go to “5. Detect and remove the temperature sensor fault in fan box at control layer”. 5. Detect and remove the temperature sensor fault in fan box at control layer. Detect and remove the fault of temperature sensor in fan box at PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Detect and remove the temperature sensor fault in fan box at PA layer”.

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6. Detect and remove the temperature sensor fault in fan box at PA layer. Check and detect the fault of temperature sensor in fan box of PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7. Reset EMU”. 7. Reset EMU. Unplug and plug the EMC board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “8. Detect and remove the connector fault, which locates at EMU backplane”. 8. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “9. Replace FCC board in fan box at control layer”. 9. Replace FCC board in fan box at control layer. Replace the FCC board, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “10. Replace FCD in fan box at PA layer”. 10. Replace FCD in fan box at PA layer. Replace the FCD, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “11. Detect and remove the cable fault, which connects EMU backplane and fan box. 9. Detect and remove the cable fault, which connects EMU backplane and fan box. Detect and remove the fault cable between EMU backplane and fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “12. Replace EMC”. 10. Replace EMC. Replace the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Temperature sensor abnormity alarm Warning 1. Temperature sensor fault in fan box at control layer. 2. Temperature sensor fault in fan box at PA layer. 3. FCC fault in fan box at control layer. 4. FCD fault in fan box at PA layer.

Handling process

1. Detect and remove the cable fault between EMU and fan box. Detect and remove the fault cable between EMU backplane and fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Detect the location of fault sensor”. 2. Detect the location of fault sensor. 



Temperature sensor at air outlet of control layer, Go to “3. Detect and remove the fault of temperature sensor in fan box at control layer”. Temperature sensor at air intake of PA layer, Go to “4. Detect and remove the fault of temperature sensor in fan box at PA layer”.

3. Detect and remove the fault of temperature sensor in fan box at control layer. Detect and remove the fault of temperature sensor in fan box at PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5. Reset EMU”. 4. Detect and remove the fault of temperature sensor in fan box at PA layer. Detect and remove the fault of temperature sensor in fan box at PA layer.” Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5. Reset EMU”. 5. Reset EMU. Unplug and plug EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Detect and remove the connector fault, which locates at EMU backplane. 6. Detect and remove the connector fault, which locates at EMU backplane.

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Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “7. Replace EMC”. 7. Replace EMC. Replace EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Temperature sensor not on-duty alarm Warning 1. The control cable between EMU and fan box has connection problem. 2. The temperature sensor in fan box at control layer has a fault. 3. The temperature sensor in fan box at PA layer has a fault. 4. The FCC in fan box at control layer has a fault. 5. The FCD in fan box at PA layer has a fault. 6. EMU fault.

Handling process

1. Detect and remove the cable fault, which connects EMU and fan box. Detect and remove the fault cable between EMU backplane and fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Detect the location of fault sensor”. 2. Detect the location of fault sensor. 



For the temperature sensor at air outlet of control layer, Go to “3. Detect and remove the temperature sensor fault in fan box of control layer”. For the temperature sensor at air intake of PA layer, Go to “4. Detect and remove the temperature sensor fault in fan box of PA layer.

3. Detect and remove the temperature sensor fault in fan box of control layer. Detect and remove the fault of temperature sensor in fan box at PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes.


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N --> Go to “5. Reset EMU”. 4. Detect and remove the temperature sensor fault in fan box of PA layer. Detect and remove the fault of temperature sensor in fan box at PA layer. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5. Reset EMU”. 5. Reset EMU. Unplug and plug EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Detect and remove the connector fault, which locates at EMU backplane. 6. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “7. Replace EMC” 7. Replace EMC. Replace EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fan alarm Major 1. The black power cable is not connected or has a problem, which connects X2 connector at front panel of fan box. 2. Either FCC or FCD has a fault. 3. Fan fault. 4. EMU fault."

Handling process

1. Detect and remove the cable fault, which locates at front panel of fan box. Detect and remove the cable fault, which connects the front panel of fan box. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Check whether fan control board is normal”.

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2. Check whether fan control board is normal. 



For the fan alarm occurring at upper layer, go to “i. and remove FCC fault at control layer”.

Detect

For the fan alarm occurring at lower layer, go to “ii. Detect and remove FCD fault at PA layer”. i.

Detect and remove the FCC fault, which locates at control layer. Detect and remove the FCC fault at control layer, Go to “iii. Check whether the alarm recovers”.

ii. Detect and remove the FCD fault at PA layer. Detect and remove the FCD fault, which locates at PA layer. Go to “iii. Check whether the alarm recovers”. iii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace the fault fan”. 3. Replace the fault fan. Replace the fan, which stops rotation, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check whether EMU works normally”. 4. Check whether EMU works normally. i.

Reset EMU. Unplug and plug the EMC, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “ii. Replace EMC”.

ii. Replace EMC. Wait for two minutes, and check whether the alarm recovers after the board works normal. Y --> The alarm handling process completes. Y --> Please contact ZTE Corporation.


Heat exchanger alarm Major Heat exchanger fault 1. Detect and remove the heat exchanger fault, and then check whether the alarm recovers.


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Gate safety alarm Minor 1. The door is not closed. 2. The sensor is broken, which is used to detect gate safety."

Handling process

1. Close the door, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Check whether gate safety sensor is broken”. 2. Check whether gate safety sensor is broken. Replace the gate safety sensor, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Surge protection device has a fault alarm Minor 1. SPD fault. 2. EMU fault"

Handling process

1. Check whether the SPD cable is connected normally. i.

Check whether the cable is well connected, which connects the connector (denoted with LSP) on EMU or BEMU. Y --> Normal connection, Go to “2 Reset EMU”. N --> Reconnect cable, Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset EMU”. 2. Reset EMU. Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes.

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N --> Go to “3. Replace SPD and Check whether the alarm recovers”. 3. Replace SPD and Check whether the alarm recovers. Replace SPD and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4. Replace EMU”. 4. Replace EMU. Replace EMU or EMC, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Rack power supply is under voltage. Major 1. For B09, The detected power voltage of Node B rack is below 40V (± 1V). For B8912, The detected power voltage of Node B rack is below the bound of under-voltage alarm (The bound value is coincide with the setting value, the error is ± 1V). 2. For B09, EMU fault. For B8912, EM fault.

Handling process

1. For B09, check whether rack power is under voltage. i.

Open the power box at top of Node B rack. Use multimeter to measure voltage difference between two terminals denoted with -48 V and -48 VGND, and then check whether the voltage of rack power is below 40V (±1 V). Note:

Be aware of short circuiting during voltage measurement.

Y --> Over low voltage, adjust the value of rack power voltage to normal range. Go to “ii. Check whether the alarm recovers”. N --> Normal voltage. Go to “2. Reset EMU” ii. Check whether the alarm recovers. Y --> Yes, The alarm handling process completes. N --> Go to “2. Reset EMU”. 2. Reset EMU.


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Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Detect and remove the connector fault, which locates at EMU backplane”. 3. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “4. Replace EMC”. 4. Replace EMC. Wait for EMC boards entering into normal state and Check whether the alarm recovers. Y --> Yes, The alarm handling process completes. N --> Please contact ZTE Corporation. 5. For B8912, check whether rack power is under voltage. i.

Look up the voltage of rack power at LMT, and check whether it belows the bound of under-voltage alarm (The bound value is coincide with the setting value, the error is +-1V). Y --> Yes, adjust the value of rack power voltage to normal range, Go to “ii. Check whether the alarm recovers.” N --> No, Look up and set the rational bound of voltage alarm, Go to “ii. Check whether the alarm recovers.”

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Reset EM.” 6. Reset EM. Unplug and plug the EM, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7.Replace EM.” 7. Replace EM. Wait for EM board entering into normal state and Check whether the alarm recovers. Y --> Yes, The alarm handling process completes. N --> Please contact ZTE Corporation.

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Rack power is over voltage Major 1. For B09, The detected power voltage of Node B rack is above 57V (±1V). For B8912, The detected power voltage of Node B rack is above the bound of over-voltage alarm (The bound value is coincide with the setting value, the error is ±1V). 2. For B09, EMU fault. For B8912, EM fault

Handling process

1. For B09, check whether rack power is over voltage. i.

Open the power box at top of Node B rack. Use multimeter to measure voltage difference between two terminals denoted with -48 V and -48 VGND, and then check whether the voltage of rack power supply is above 57V (+-1V).

Note: Be aware of short circuiting during voltage measurement.

Y --> Voltage is over high. Adjust the value of rack power voltage to normal range. Go to “ii. Check whether the alarm recovers”. N --> Voltage is Go to “2. Reset EMU”. ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset EMU”. 2. Reset EMU. Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Detect and remove the connector fault, which locates at EMU backplane”. 3. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “4. Replace EMC”. 4. Replace EMC.


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Replace EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 5. For B8912, check whether rack power is over voltage. i.

Look up the power voltage of Node B rack at LMT, and check whether the voltage of rack power supply is above the bound of the over-voltage alarm(The bound value is coincide with the setting value, the error is +-1V). Y --> Adjust the value of rack power voltage to normal range. Go to “ii. Check whether the alarm recovers.” N --> Look up and set the rational bound of voltage alarm. Go to “ii. Check whether the alarm recovers.”

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6. Reset EM.” 6. Reset EM. Unplug and plug the EM, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7. Replace EM.” 7. Replace EM. Replace EM, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Air conditioner has a fault, which is reported through dry contact. Minor Air conditioner fault 1. Check whether external air conditioner works normally. i.

Check whether normally.

the

external

air

conditioner

works

Y --> Normal, Please contact ZTE Corporation. N --> Go to “ii. Solve air conditioner fault”. ii. Solve air conditioner fault and Check whether the alarm recovers. Y --> The alarm handling process completes.

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N --> Please contact ZTE Corporation.


Air conditioner heater has a fault, which is reported through dry contact. Minor Air conditioner heater fault 1. Check whether normally. i.

external

air

conditioner

heater

works

Check whether external air conditioner heater works normally. Y --> Please contact ZTE Corporation. N --> Go to “ii. Solve the air conditioner heater fault”.

ii. Solve the air conditioner heater fault and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Air conditioner power has a fault, which is reported through dry contact. Minor

Cause

Air conditioner power supply is over/under voltage.

Handling process

1. Check whether air conditioner power is normal. i.

Check whether air conditioner power is normal. Y --> Please contact ZTE Corporation. N --> Go to “ii. Solve the air conditioner power fault”.

ii. Solve the air conditioner power fault and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Heat exchanger has a fault, which is reported through dry contact.


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Severity Cause Handling process

Minor External heat exchanger fault 1. Check whether external heat exchanger works normally. i.

Check whether external heat exchanger works normally. Y --> Please contact ZTE Corporation. N --> Go to “ii. Solve the heat exchanger fault”.

ii. Solve the heat exchanger fault and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Main power supply has a fault alarm Major 1. Main power supply fault. 2. EMU fault

Handling process

1. Check whether main power supply is normal. i.

Check whether main power supply is normal. Y --> Go to “2 Reset EMU”. N --> Go to “ii. Process the fault of main power supply”.

ii. Process the fault of main power supply. Solve the fault of main power supply, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset EMU”. 2. Reset EMU. Unplug and plug EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Detect and remove the connector fault, which locates at EMU backplane”. 3. Detect and remove the connector fault, which locates at EMU backplane. Detect and remove the fault of connector, which is located at EMU backplane. Check whether the alarm r ecovers. Y --> The alarm handling process completes. N --> Go to “4. Replace EMS”

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4. Replace EMS. Replace EMS, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5. Replace EMC”. 5. Replace EMC. Replace EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


External device fault connected via dry contact Minor

Cause

Fault location and alarm cause are determined according to different types of external devices.

Handling process

Problem solution is determined according to different types of external devices.


Surge protection device in cabinet has a fault alarm Minor 1. SPD fault; 2. EMU fault

Handling process

1. Check whether the SPD cable is connected normally. i.

Check whether the cable is well connected, which connects the connector (denoted with LSP) on EMU or BEMU. Y --> Normal connection, Go to “2 Reset EMU”. N --> Reconnect cable, Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset EMU”. 2. Reset EMU. Unplug and plug the EMC, wait for two minutes, and then check whether the alarm recovers.


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Y --> The alarm handling process completes. N --> Go to “3. Replace SPD and Check whether the alarm recovers”. 3. Replace SPD and Check whether the alarm recovers. Replace SPD and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4. Replace EMU”. 4. Replace EMU. Replace EMU or EMC, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Handling process

Remote input power over-voltage alarm Major The input AC voltage of power module is higher than alarm threshold 280v (error ±1V), or the direct current voltage of power module is higher than alarm threshold 60v (error ±1V). 1. Check whether the voltage of RRU power supply is normal. i.

Switch off RRU power. Unplug RRU-48V power plug. Use multimeter to measure the difference between -48V power socket and -48VGND terminal (i.e. Rack power voltage). Observe if the power supply is normal.

Note: Be aware of short circuit during measurement.

Y --> No voltage, try to remove the power supply fault so that the voltage of Node B rack power supply is within normal range, Go to “ii. Check whether the alarm recovers”. N --> Normal voltage, Go to “2. Replace RRU power module: RPWDC”. ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Go to “2. Replace RRU power module: RPWDC”.

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2. Replace RRU power module: RPWDC. Replace the RRU power module : RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote input power under-voltage alarm Major

Cause

The input AC voltage of power module is lower than alarm threshold 80v (error ±1V), or the direct current voltage of power module is lower than alarm threshold 36v (error ±1V).

Handling process

1. Check whether the voltage of RRU power supply is under low. i.

Switch off RRU power. Unplug RRU-48V power plug. Use the multimeter to measure the difference between -48V power socket and -48 VGND terminal (i.e. Rack power voltage). Observe if the absolute value is lower than 37V (error +-1V).


Y --> Under voltage. Adjust power supply of Node B rack so that power voltage is within normal range. Go to “ii. Check whether the alarm recovers”. N --> Normal voltage. Go to “2. Replace RRU power module: RPWDC”. ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Go to “2. Replace RRU power module: RPWDC”. 2. Replace RRU power module: RPWDC. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Remote input power powered-down alarm Major Power module is abnormal 1. Check whether the voltage of RRU power supply is normal. i.

Switch off RRU power. Unplug RRU-48V power plug. Use multimeter to measure the difference between -48V power socket and -48VGND terminal (i.e. Rack power voltage). Observe if the power supply is normal. Note:

Be aware of short circuit during measurement.

Y --> No voltage. Try to remove the power supply fault so that the voltage of Node B rack power supply is within normal range, Go to “ii. Check whether the alarm recovers”. N --> Normal voltage. Go to “2. Replace RRU power module: RPWDC”. ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Go to “2. Replace RRU power module: RPWDC”. 2. Replace RRU power module: RPWDC. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Remote output power over-current alarm Major Power module output is abnormal. 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting.





Remote output power under-voltage alarm Major Power module output is abnormal. 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote antenna over VSWR alarm Major Antenna VSWR is over than limit[2.5~3.0], or there has strong interferential signals of the same frequency, or RRU has fault. 1. Reset RRU. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Check whether the antenna connector is screwed down tightly. If not, screw down it.” 3. Check whether the antenna connector is screwed down tightly. If not, screw down it. 4. Wait for three minutes, and check whether the alarm recovers. Y --> Yes, The alarm handling process completes. N --> Go to “5. Measure VSWR of antenna system use the VSWR apparatus, and check whether the VSWR of antenna is normal.” 5. Measure VSWR of antenna system use the VSWR apparatus, and check whether the VSWR of antenna is normal. Y --> Maybe the part of RRU has fault. N --> Repair the antenna.


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6. Finish the above, wait for three minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Handling process

Remote antenna VSWR alarm Major Antenna VSWR is higher than limit[1.5~2.0] and lower than limit[2.5~3.0], or there has strong interferential signals of the same frequency, or RRU has fault. 1. Reset RRU. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Check whether the antenna connector is screwed down tightly.” 3. Check whether the antenna connector is screwed down tightly. If not, screw down it. 4. Wait for three minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5. Measure VSWR of antenna system use the VSWR apparatus, and check whether the VSWR of antenna is normal.” 5. Measure VSWR of antenna system use the VSWR apparatus, and check whether the VSWR of antenna is normal. Y --> Maybe the part of RRU has fault. N --> Repair the antenna. 6. Finish the above, wait for three minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Main power supply has a normal alarm Minor 1.Main power supply normal fault.



Handling process

1. Check whether external Main power supply works normally. i.

Check whether normally.

external

Main

power

supply

works

Y --> Please contact ZTE Corporation. N --> Go to “ii. Solve the Main power supply normal fault”. ii. Solve the Main power supply normal fault and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Flooded Fault Minor Flooding detected 1. Check whether Node B has been flooded. i.

Check whether Node B has been flooded. Y --> Go to “ii. Solve the flood case”. N --> Please contact ZTE Corporation.

ii. Solve flood case and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Smog Fault Minor Smog detected 1. Check whether there is smog in Node B i.

Check whether there is smog in Node B. Y --> Go to “ii. Solve the smog case”. N --> Please contact ZTE Corporation.

ii. Solve smog case and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Battery Fault Minor Battery fault detected 1. Check whether battery works normally. i.

Check whether battery works normally. Y --> Please contact ZTE Corporation. N --> Go to “ii. Solve the battery fault”.

ii. Solve battery fault and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote output power over-voltage alarm Major Power module output is abnormal. 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote output power abnormal voltage alarm Major The output voltage of power module is abnormal. 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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Fail to configure TC port Major Parameter error 1. Check configuration data. i.

Upload the Node B configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Go to “2 Reset the faulty board”. N --> Go to “ii. Change the wrong configuration data”.

ii. Change the wrong configuration data. According to checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure PVC Major Configuration parameter error 1. Check configuration data. i.

Upload the Node B configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Go to “2 Reset the faulty board”.


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N --> Go to “ii. Change the wrong configuration data”. ii. Change the wrong configuration data. According to the checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure FE port Major Configuration parameter error 1. Check configuration data. i.


ii. Change the wrong configuration data. According to checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes.

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N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process pr ocess completes. N --> Please contact ZTE Corporation.


Fail to configure OMCB channel Major Configuration parameter error 1. Check configuration data. i.

Upload the Node Node B configuration configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Go to “2 Reset the faulty board”. N --> Go to “ii. Change the wrong configuration data”.

ii. Change the wrong configuration data. According to the checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process p rocess completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure SCTP association


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Major Configuration parameter error 1. Check configuration data. i.

Upload the Node Node B configuration configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Go to “2 Reset the faulty board”. N --> Go to “ii. Change the wrong configuration data”.

ii. Change the wrong configuration data. According to the check results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process pr ocess completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure TSI Major Configuration parameter error 1. Check configuration data. i.

Upload the Node Node B configuration configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Configuration data is Go to “2 Reset the faulty board”. N --> Configuration data is wrong, Go to “ii. the wrong configuration data”.

ii. Change the wrong configuration data.

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Change


According to checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Board parameter synchronization abnormity Major 1. The board is configured, but not inserted. 2. The board link is interrupted. 3. The board software runs abnormally.

Handling process

1. Check whether the board is well inserted. i.

Check whether the faulty board is well inserted on the rack. Y --> Go to “2 Check whether the board has link interruption alarm”. N --> Unplug and plug the board. Go to “ii. Reconfigure parameters”.

ii. Reconfigure parameters. Wait until the board enters normal state. Reconfigure its parameters, and then check whether the board parameter synchronization abnormity alarm recovers. Y --> The alarm handling process p rocess completes. N --> Please contact ZTE Corporation. 2. Check whether the board has link interruption alarm. i.

Check whether the board has link interruption alarm. Y --> Go to “ii. Process board link interruption alarm”.


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N --> Go to “3. Check whether the board has application software monitoring alarm”. ii. Process board link interruption alarm. According to suggestions for board link interruption alarm, try to remove the alarm. Go to “3 Check whether the board has application software monitoring alarm”. 3. Check whether the board has application application software software monitoring alarm. i.

Check whether the monitoring alarm.

board

has

application

software

Y --> Go to “ii. Process application software monitoring alarm”. N --> Go to “iii. Reconfigure parameters”. ii. Process application software monitoring alarm. According to suggestions for application monitoring alarm, try to remove the alarm.

software

iii. Reconfigure parameters. From OMC console, reconfigure the board. Check whether the board parameter synchronization abnormity alarm recovers. Y --> The alarm handling process pr ocess completes. N --> Please contact ZTE Corporation."


Board wrong insertion alarm Major

Cause

The configured type of board is not consistent with that inserted on the rack.

Handling process

1. Check whether the board configured in database is is consistent consistent with that inserted on the rack. i.

Check whether the board board configured in database database is consistent with that inserted on the rack. Y --> Go to “2 Check whether the configured board supports daughter board”. N --> Go to “ii. Reconfigure the board”.

ii. Reconfigure the board. Either modify the board configured in database or replace the board inserted on the rack so as to keep consistency. Check whether the alarm recovers. Y --> The alarm handling process pr ocess completes.

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N --> Go to “ii. Reconfigure the board”. 2. Check whether the configured board supports daughter board. i.

Check whether the board supports daughter board. Y --> Go to “ii. Check whether the configured daughter board is consistent with the real board” N --> Please contact ZTE Corporation.

ii. Check whether the configured consistent with the real board.

daughter

board

is

Check whether the configured daughter board in database is consistent with that actually inserted on the rack. Y --> Go to “iii. Reconfigure the board”. N --> Please contact ZTE Corporation. iii. Reconfigure the board. Modify the board configuration in database or replace the board on the rack so as to keep consistency. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


SNTP time adjustment failure alarm Minor SNTP server doesn't boot or its link has a fault. 1. Check whether SNTP server is booted. i.

From windows operation system, select Control Panel --> Administrative Tools --> Service, and check whether STNP service is booted or not. Y --> Go to “2 Check whether the link between SNTP server and Node B is normal”. N --> Go to “ii. Start SNTP server”.

ii. Start SNTP server. Start SNTP server. Initiate the process of SNTP time adjustment manually, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the link between SNTP server and Node B is normal”.


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2. Check whether the link between SNTP server and Node B is normal. i.

Check whether the link between SNTP server and Node B is normal. Y --> Please contact ZTE Corporation. N --> Please solve the link problem first. When the link becomes Go to “ii. SNTP time adjustment”

ii. SNTP time adjustment. Initiate the process of SNTP time adjustment, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Running software version synchronization failure Major

Cause

This alarm is given when synchronization process is unsuccessful.

Handling process

1. Check whether the master main control board has wrong version alarm. i.

Check whether the master main control board has wrong software version alarm. Y --> Go to “ii. Process the wrong software version alarm occurred on the master main control board”. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”.

ii. Process the wrong software version alarm occurred on the master main control board. According to relevant suggestions for main control board wrong version alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”. 2. Check whether the slave main control board has insufficient DOM space alarm. i.

Check whether the slave main insufficient DOM space alarm.

control

board

has

Y --> Go to “ii. Process the insufficient DOM space alarm” N --> Go to “3 Reset the slave main control board”. ii. Process the insufficient DOM space alarm.

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According to relevant suggestions for insufficient DOM space alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset the slave main control board”. 3. Reset the slave main control board. Reset the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the slave main control board” 4. Replace the slave main control board. Replace the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Slave software version synchronization failure Minor This alarm is given when synchronization is unsuccessful. 1. Check whether the master main control board has wrong version alarm. i.

Check whether the master main control board has wrong software version alarm. Y --> Go to “ii. Process the wrong software version alarm occurred on the master main control board”. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”.

ii. Process the wrong software version alarm occurred on the master main control board. According to relevant suggestions for main control board wrong version alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”. 2. Check whether the slave main control board has insufficient DOM space alarm. i.

Check whether the slave main insufficient DOM space alarm.

control

board

has


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Y --> Go to “ii. Process the insufficient DOM space alarm”. N --> Go to “3 Reset the slave main control board”. ii. Process the insufficient DOM space alarm. According to the relevant suggestions for insufficient DOM space alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset the slave main control board”. 3. Reset the slave main control board. Reset the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the slave main control board”. 4. Replace the slave main control board. Replace the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The original Please contact ZTE Corporation. N --> The original alarm recovers, The alarm handling process completes.


Special software version synchronization failure Minor This alarm is given when synchronization is unsuccessful. 1. Check whether the master main control board has wrong version alarm. i.

Check whether the master main control board has wrong version alarm. Y --> Go to “ii. Process the wrong software version alarm occurred on the master main control board”. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”.

ii. Process the wrong software version alarm occurred on the master main control board. According to relevant suggestions for main control board wrong version alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the slave main control board has insufficient DOM space alarm”.

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2. Check whether the slave main control board has insufficient DOM space alarm. i.

Check whether the slave main insufficient DOM space alarm. Y --> Go to “ii. alarm”.

control

board

has

Process the insufficient DOM space

N --> Go to “3 Reset the slave main control board”. ii. Process the insufficient DOM space alarm According to relevant suggestions for insufficient DOM space alarm, try to remove the alarm. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset the slave main control board”. 3. Reset the slave main control board. Reset the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the slave main control board”. 4. Replace the slave main control board. Replace the slave main control board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Handling process

Running Software version fault Major There is no relevant record of this type of software at foreground. Or this type of software file saved at foreground is damaged and is rolled back manually. The version record has been updated before the version is rolled back. 1. Please re-download the running software version package. Re-download the running software version package, wait until download is successful, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Slave Software version fault Minor There is no relevant record of this type of software at foreground. Or this type of software file saved at foreground is damaged. 1. Re-download slave software version package. Re-download slave software version package, wait until download is successful, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Special Software version fault Minor There is no relevant record of this type of software at foreground. Or this type of software file saved at foreground is damaged. 1. Re-download special software version package. Re-download special software version package, wait until download is successful, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Insufficient DOM space alarm Major DOM has no available space. 1. Delete slave version package file. Delete slave version package file through network management console, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Delete unused master software version”. 2. Delete unused master software version.

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Through network management console, delete the unused software version file from the running software package, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Application software monitoring alarm Critical 1. The communication between the faulty board and master main control board is interrupted. 2. Wrong board parameter is configured.

Handling process

1. Check whether the faulty board has corresponding “board communication link interruption” alarm. Y --> Go to “2. According to the suggestions for “board communication link interruption” alarm, try to remove the alarm.” N --> Go to “3. Check whether the faulty board has corresponding “board configuration parameter error” alarm.” 2. According to the suggestions for “board communication link interruption” alarm, try to remove the alarm. Y --> The alarm handling process completes. N --> Go to “3. Check whether the faulty board has corresponding “board configuration parameter error” alarm.” 3. Check whether the faulty board has corresponding “board configuration parameter error” alarm. Y --> Go to “4. According to suggestions for “board configuration parameter error” alarm, try to remove the alarm.” N --> Go to “5 Reset the faulty board.” 4. According to suggestions for “board configuration parameter error” alarm, try to remove the alarm. Y --> The alarm handling process completes. N --> Go to “5 Reset the faulty board.” 5. Reset the faulty board. Reset the faulty board, wait for two minutes. Observe if the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7 Wait for two minutes, observe if the alarm recovers.”


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6. Replace the faulty board. 7. Wait for two minutes, observe if the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to set ATMA gain. Major 1. Parameter error. 2. ATMA device link is interrupted. 3. ATMA device is not on-duty.

Handling process

1. Check configuration data. i.

Upload the Node B configuration data through OMC system. From configuration management system, open the configuration data and Check whether it is correct. Y --> Configuration data is Go to “2 Reset the faulty board”. N --> Configure data is wrong, Go to “ii. wrong configuration data”

Change

the

ii. Change the wrong configure data. According to the checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> Alarm recovers, alarm process e nds. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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Board configuration parameter error Major 1. The system has no such board configuration parameter. 2. Configuration parameter error. 3. Hardware error.

Handling process


Upload Node B configuration data through OMC system. Use configuration management system to open it, and then check whether configuration parameter is needed by the board. Y --> Please contact ZTE Corporation. N --> Go to “ii. Add configuration data”.

ii. Add configuration data. According to real requirement, add board configuration data or change configuration data. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Board parameter configuration is failed. Major 1. The system has no such board configuration parameter. 2. Configuration parameter error. 3. Hardware error.

Handling process


Upload Node B configuration data through OMC system. Use configuration management system to open it, and then check whether the configuration data is correct. Y --> Configuration data is Go to “2 Reset the faulty board”. N --> Configuration data is wrong, Go to “ii. Change wrong configuration data”.

ii. Change wrong configuration data.


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According to real situation, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board.

Note: Resetting the board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to reset it.

Reset the faulty board, wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board.

Note: Replacing the board will cause interruption of all services carried by the board. Therefore, please choose appropriate time to replace it.

Replace the faulty board, wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


No configuration parameter for the board Minor 1. The system has no such board configuration parameter. 2. Configuration parameter error. 3. Hardware error.

Handling process

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Upload Node B configuration data through OMC system. Use configuration management system to open it, and



then check whether the board required parameters are configured. Y --> Please contact ZTE Corporation. N --> Go to “ii. Add configuration data”. ii. Add configuration data. According to real requirements, add or change configuration data for the board, and then check whether the alarm recovers. Y --> Alarm recovers, alarm process ends. N --> Please contact ZTE Corporation.


CPU over loading Major 1. Too many test tasks or tracing tasks are initiated on the board. 2. The tasks run on the board CPU are abnormal.

Handling process

1. Do not intervene and wait for system auto-recovery. Wait for thirty seconds, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the system is busy in running some services”. 2. Check whether the system is busy in running some services. i.

Check whether current service is busy or the system is downloading software. Y --> Go to “ii. Wait until the current service is finished”. N --> Go to “3 Record detailed information”.

ii. Wait until the current service is finished. Wait for current service is finished or software has been downloaded, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Record detailed information”. 3. Record detailed information. i.

From OMC console, execute “VME running information querying” function. Select the faulty board and “CPU usage rate”.


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ii. Record CPU usage rate of each task and process, record current service and operations. Then Please contact ZTE Corporation.


Board communication link is interrupted. Critical 1. This board is configured, but not inserted on Node B rack. 2. The board is Fail to download high layer software. 3. The board is Fail to run high layer software. 4. The link between the board and master main control board has a fault.

Handling process

1. Check type of interrupted link. 



If the board direct link is interrupted, go to “3 Check whether the board is inserted on Node B rack” IF the board transfer link is interrupted, go to “2 Process the interrupted transfer link”

2. Process the interrupted transfer link. i.

Check whether the transfer board has link interruption alarm between the faulty board and master main control board. Y --> Go to “ii. Check whether alarm recovers”. N --> Please contact ZTE Corporation.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether the board is inserted on Node B rack”. 3. Check whether the board is inserted on Node B rack. i.

Check relevant Node B slot and find if the configured board is inserted. Y --> Go to “ii. Insert the board” N --> Go to “4 Check whether there is software running failure alarm”.

ii. Insert the board. Insert the configured board into the slot, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check whether there is software running failure alarm”

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4. Check whether there is software running failure alarm. i.

Check whether the main control board has an alarm, which indicates the faulty board has software running failure problem. Y --> Go to “ii. Process software running failure alarm” N --> Please contact ZTE Corporation.

ii. Process software running failure alarm. According to relevant suggestions for software running failure alarm, try to remove the alarm. Check whether the interrupted communication link alarm recovers. Y --> The alarm handling process completes. Y --> Please contact ZTE Corporation.


Database saved on master/slave board is Fail to be kept synchronous Major 1. Software version runs on master board is inconsistent with that runs on slave board. 2. The link between master and slave board is congested or interrupted, which causes data synchronization time-out.

Handling process

1. Check whether software version runs on master board is consistent with that runs on slave board . i.

Use RJ45 network cable to connect debugging PC with master board. Run “ShowCurVer” command to view software version. If correct version information cannot be displayed by running “ShowCurVer” command, run “ShowDbsVersion” and check database version.

ii. Use RJ45 network cable to connect debugging PC with slave board. Run “ShowCurVer” command to view software version. If correct version information cannot be displayed by running “ShowCurVer” command, run “ShowDbsVersion” and check database version. iii. Compare master and slave software version, and then check whether it is not consistent. Y --> Please contact ZTE Corporation. N --> Go to “2 Wait for system auto-recovery”. 2. Wait for system auto-recovery. i.

Do not intervene, wait for 10 minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes.


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N --> Go to “ii. Reset slave board”. ii. Reset slave board. If the system cannot auto-recovery, reset the slave board. Wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. Y --> Please contact ZTE Corporation.


Database save failure Major 1. DOM doesn't have sufficient space. 2. DOM file system is wrong. 3. DOM has a fault.

Handling process

1. Check whether the faulty board has related insufficient DOM space alarm. i.

From OMC console, check whether main control board has insufficient DOM space alarm. Y --> Go to “ii. Process DOM insufficient space alarm” N --> Go to “2 Check whether it is file system error”

ii. Process DOM insufficient space alarm. According to relevant suggestions for “DOM insufficient space” alarm, try to remove the alarm. Check whether the database saving failure alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether it is file system error”. 2. Check whether it is file system error. i.

Reset the faulty board.

ii. Wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Process DOM fault”. 3. Process DOM fault. Replace the faulty board, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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Fail to configure STM-1 Major Configuration parameter error 1. Check configuration data. i.

Upload Node B configuration data through OMC system. Use configuration management system to open it, and then check whether configuration data is correct. Y --> Correct configuration data, Go to “2 Reset the faulty board”. N --> Wrong configuration data, Go to “ii. Change wrong configuration data”.

ii. Change wrong configuration data. According to real situation, change configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure CES Major Configuration parameter error 1. Check configuration data. i.

Upload Node B configuration data through OMC system. Use configuration management system to open it, and then check whether configuration data is correct.


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Y --> Correct configuration data, Go to “2 Reset the faulty board”. N --> Wrong configuration data, Go to “ii. Change wrong configuration data”. ii. Change wrong configuration data. According to real situation, change configuration data, and then check whether the alarm recovers. Y --> Alarm recovers, alarm process ends. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board” 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Fail to configure channelized STM-1 Major Configuration parameter error 1. Check configuration data. i.

Upload Node B configuration data through OMC system. Use configuration management system to open it, and then check whether the configuration data is correct. Y --> Correct configuration data, Go to “2 Reset the faulty board”. N --> Wrong configuration data, Go to “ii. Change wrong configuration data”.

ii. Change wrong configuration data. According to real situation, change the configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board.

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Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace teh the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Board reboots alarm Warning 1. A user sends a reset command. 2. The board is powered on and boots. 3. Software abnormity causes the board to auto reset.

Handling process

1. Find the reason to reset the board. Find the reason to reset the board. 



If the user resets the board, there is no need for any process. If the board auto resets, Please contact ZTE Corporation.


Dry contact configuration Failed Minor The operation of dry contact configuration failed Reconfigure the dry contact that has this alarm


Node B reboot notification Warning A user resets Node B or Node B is powered down and reboots. 1. Find the reason to reset Node B.


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





If the user resets the Node B, there is no need for any process. Node B is powered down and reboots. Please check whether the power supply is normal. If the Node B auto resets, Please contact ZTE Corporation.


PPP Link Configer Failed Major Wrong configuration data 1. Check whether the link is OK Y --> Go to “2. Check the configuration data” N --> Please deal the link fault 2. Check the configuration data Y --> Please contact ZTE Corporation. N --> Go to “3. Reconfigure data” 3. Reconfigure data Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PPP Bundle Configer Failed Major Wrong configuration data 1. Check whether the link is OK Y --> Go to “2. Check the configuration data” N --> Please deal the link fault 2. Check the configuration data Y --> Please contact ZTE Corporation. N --> Go to “3. Reconfigure data” 3. Reconfigure data Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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Master/slave changeover alarm Warning The changeover operation is initiated by a user or it is because the master main control board has a fault. 1. Find the operation. 



reason

to

initiate

master/slave

changeover

If the user initiates the master/slave changeover operation, there is no need for any process. If the system auto initiates the master/slave changeover operation, please check whether the current slave board has a fault.


Database load fail Critical Loading database fail 1. Check out which table loading fails. i.

R_SWPAT and R_SWCONF loading fail. Download software and test it again.

ii. R_TESTSW loading fails. Test software again. ii. R_PMTASK loading fails. Originating the task measurement again.

of

statistical

performance

iv. Please contact ZTE Corporation.


Uplink channel runs abnormally Critical 1. CRA (an uplink DSP process unit on baseband board) program runs abnormally. 2. ULSR (an uplink DSP process unit on baseband board) program runs abnormally. 3. Uplink core chip on baseband board works abnormally.


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4. CPU on baseband board works abnormally. Handling process

This is because CRA and ULSR (uplink DSP process units on baseband board) programs run abnormally, or the core chip works abnormally. When this alarm happens, Please contact ZTE Corporation.


Downlink channel runs abnormally Critical 1. HSDSP (a downlink DSP process unit on baseband board) program runs abnormally. 2. DLSR (a downlink DSP process unit on baseband board) program runs abnormally. 3. Downlink core chip on baseband board works abnormally. 4. CPU on baseband board works abnormally.

Handling process

This is because DLSR and HSDSP (downlink DSP process units on baseband board) programs run abnormally, or the core chip works abnormally. When this alarm happens, Please contact ZTE Corporation.


Rx channel signal quality is abnormal Major

Cause

"When the cell adopts receiving diversity mode, this alarm will be reported if either primary or secondary antenna is not well connected."

Handling process

1. Check whether the receiving RF unit of the related local cell is configured correctly. i.

View the configuration of receiving RF unit of local cell through OMC console. Check whether the configuration is correct. Y --> Go to “2 Check whether the cell related antenna is well connected”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the cell related antenna is well connected”. 2. Check whether the cell related antenna is well connected.

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i.

Check the primary and secondary antennas, related to the cell, and then check whether the antenna is well connected. Y --> Go to “ii. Check whether diversity antenna of adjacent sector is reversely connected”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Check whether diversity antenna of adjacent sector is reversely connected”. iii. Check whether diversity antenna of adjacent sector is reversely connected. Y --> Go to “iv. Check whether the alarm recovers”. N --> Go to “v. Replace faulty antenna”. iv. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “v. Replace faulty antenna”. v. Replace faulty antenna. Replace the faulty antenna, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PA over power alarm Critical 1. Baseband power is abnormal, which causes very high input power of PA. 2. TRx board is abnormal, which causes very high input power of PA. 3. RDM hasn't been calibrated, which causes very high input power of PA. 4. PA its own fault.

Handling process

1. Enable or reset the protected PA, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Conduct RDM system calibration”. 2. Conduct RDM system calibration, and then check whether the alarm recovers.


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Y --> The alarm handling process completes. N --> Go to “3 Check whether downlink power is very high”. 3. Check whether downlink power is very high. Start downlink power self-test and Check whether downlink power is very high. Y --> Go to “4 Replace TRx board”. N --> Go to “5 Replace PA”. 4. Replace TRx board. Replace TRx board and Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 5. Replace PA. Replace PA and wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PA over VSWR alarm Critical 1. The cable between the corresponding DDL antenna port and antenna is either broken or not well-connected. 2. Antenna fault. 3. PA is abnormal."

Handling process

1. Check whether there is antenna VSWR alarm. i.

Check whether there is antenna VSWR alarm. Y --> Go to “ii. Process antenna VSWR alarm” N --> Go to “2 Check whether the cable is normally connected”

ii. Process antenna VSWR alarm. According to the relevant suggestions for antenna VSWR alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check the cable between PA output and DDL”. 2. Check the cable between PA output and DDL.

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Screw down the corresponding cable between PA output and DDL. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the corresponding cable between PA output and DDL”. 3. Replace the corresponding cable between PA output and DDL. Replace the corresponding cable between PA output and DDL. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Enable or reset PA”. 4. Enable or reset PA. Enable or reset PA, wait until the PA works normally, and then check whether the alarm recovers. Y --> Alarm recovers, The alarm handling process completes. N --> Go to “5 Replace PA”. 5. Replace PA. Replace PA and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PA over temperature alarm Critical 1. The fan at PA layer cannot work normally. Therefore, cooling problem occurs. 2. PA is abnormal.

Handling process

1. Check whether there is a fan related alarm at PA layer. i.

Check whether there is a fan related alarm at PA layer. Y --> Go to “ii. Process the fan related alarm” N --> Go to “2 Enable PA”

ii. Process the fan related alarm. According to the relevant suggestions for fan alarm, try to remove the alarm. Check whether the current alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Enable PA”. 2. Enable PA.


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Try to remove the alarm by enabling the protected PA board again. Check whether the alarm re covers. Y --> The alarm handling process completes. N --> Go to “3 Reset PA”. 3. Reset PA. Reset PA board, wait until the PA works normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace PA”. 4. Replace PA. Replace PA board, wait until the PA works normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PA over current alarm Critical PA is abnormal. 1. Enable PA. Try to remove the alarm by enabling the protected PA board again. Check whether the alarm re covers. Y --> The alarm handling process completes. N --> Go to “2 Reset PA”. 2. Reset PA. Reset PA board and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace PA”. 3. Replace PA. Replace PA board and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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PA device fault alarm Critical PA is abnormal. 1. Enable PA. Try to remove the alarm by enabling the protected PA board again. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset PA”. 2. Reset PA. Reset PA board and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace PA”. 3. Replace PA. Replace PA board and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


PA VSWR alarm Minor 1. The cable is not screwed down tightly, which connects the DDL antenna port and antenna in the corresponding alarming cell. 2. Antenna is abnormal. 3.

Handling process

PA internal fault.

1. Check the cable between DDL antenna port and antenna. Screw down the corresponding cable between DDL antenna port and antenna. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace the cable between DDL antenna port and antenna”. 2. Replace the cable between DDL antenna port and antenna.


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Replace the cable between DDL antenna port and antenna. Check whether the alarm recovers. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Check whether antenna has a fault”. 3. Check whether antenna has a fault. i.

Check whether antenna has a fault. Y --> Go to “ii.

Process antenna fault”

N --> Go to “4 Check the cable between PA output and DDL”. ii. Process antenna fault. Replace antenna and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Check the cable between PA output and DDL”. 4. Check the cable between PA output and DDL. Screw down the corresponding cable between PA output and DDL. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace the cable between PA output and DDL”. 5. Replace the cable between PA output and DDL. Replace the corresponding cable between PA output and DDL. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Enable or reset PA”. 6. Enable or reset PA. Enable or reset PA, wait until the PA works normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “7 Replace PA”. 7. Replace PA. Replace PA and wait until the PA works normally. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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PA communication fault Critical PA communication module has a fault or the cable is loosen, which connects PA and monitoring module. 1. Reset RRU. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to step 3. 3. Tightly connect the cable between monitoring and PA module, replace PA module or replace monitoring module. 4. Wait for three minutes and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET motor fault Major 1. RET motor fault. 2. EMC fault.

Handling process

1. Check whether RET motor is normal. i.

Check whether RET motor is normal. Y --> Go to “2 Reset EMC” N --> Go to “ii. Process RET motor fault”

ii. Process RET motor fault. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset EMC” 2. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace EMC”. 3. Replace EMC. Wait for two minutes and Check whether the alarm recovers.


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RET hardware fault Major 1. RET hardware fault. 2. EMC fault.

Handling process

1. Check whether RET hardware is normal. i.

Check whether RET hardware is normal. Y --> Go to “2 Reset EMC” N --> Go to “ii. Process RET hardware fault”

ii. Process RET hardware fault. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset EMC” 2. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace EMC” 3. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET software fault Major Parameter error 1. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace EMC” 2. Replace EMC.

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Wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA hardware fault Major Parameter error 1. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace EMC”. 2. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA software fault Major Parameter error 1. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace EMC”. 2. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA communication link is interrupted.


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Severity Cause

Major 1. ATMA device fault. 2. The communication link between ATMA device and the system has a problem. 3. TAC board fault. 4. EMC fault.

Handling process

1. Check whether ATMA device has an alarm. i.

Check whether ATMA device has an alarm. Y --> Go to “ii. Process ATMA device alarm”. N --> Go to “2 Check whether the communication link between ATMA device and the system is connected normally”.

ii. Process ATMA device alarm. According to the relevant suggestions for ATMA device alarm, try to remove the alarm. Check whether the ATMA communication link alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the communication link between ATMA device and the system is connected normally”. 2. Check whether the communication link between ATMA device and the system is connected normally. i.

Check whether the communication link between ATMA device and the Node B system is connected normally. Y --> Go to “iii. Replace communication cable” N --> Re-connect the cable, Go to “ii. the alarm recovers”.

Check whether

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Replace communication cable”. iii. Replace communication cable. Replace communication cable and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset TAC board”. 3. Reset TAC board. Reset TAC board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset EMC”.

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4. Reset EMC. Reset EMC, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace TAC board”. 5. Replace TAC board. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace EMC”. 6. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET communication link is interrupted. Major 1. RET device fault. 2. The communication cable between RET device and the system has a problem. 3. TAC board fault. 4. EMC fault.

Handling process

1. Check whether RET device has an alarm. i.

Check whether RET device has an alarm. Y --> Go to “ii. Process RET device alarm”. N --> Go to “2 Check whether the communication cable between RET device and the system is connected normally”.

ii. Process RET device alarm. According to relevant suggestions for RET device alarm, try to remove the alarm. Check whether the RET communication link alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the communication cable between RET device and the system is connected normally”. 2. Check whether the communication cable between RET device and the system is connected normally.


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i.

Check whether the communication cable between RET device and the Node B system is connected normally. Y --> Go to “iii. Replace communication cable” N --> Re-connect the cable, Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Replace communication cable”. iii. Replace communication cable. Replace communication cable and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset TAC board”. 3. Reset TAC board. Reset TAC board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset EMC” 4. Reset EMC. Reset EMC, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace TAC board”. 5. Replace TAC board. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace EMC” 6. Replace EMC. Wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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ACOM hardware fault Major Parameter error



Handling process

1. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace EMC”. 2. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ACOM software fault Major Parameter error 1. Reset EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Replace EMC”. 2. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ACOM address conflict Notification 1. This alarm notification may be given if quick Unplug-and-plug the connected AISG device. 2. Otherwise, new device is inserted, which has conflict address with existing AISG device. "

Handling process

1. If someone quick Unplugs and plugs the connected AISG device, there is no need for any process. The original device can resume to normal communication. If not, please go to “2. Scan AISG device and add the new device." 2. Scan AISG device and add the new device.


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ACOM communication link is interrupted. Major 1. ACOM device fault. 2. The communication link between ACOM device and the system has a problem. 3. TAC board fault. 4. EMC fault.

Handling process

1. Check whether ATMA device has an alarm. i.

Check whether ATMA device has an alarm. Y --> Go to “ii. Process ATMA device alarm”. N --> Go to “2 Check whether the communication link between ATMA device and the system is connected normally”.

ii. Process ATMA device alarm. According to the relevant suggestions for ATMA device alarm, try to remove the alarm. Check whether the ATMA communication link alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether the communication link between ATMA device and the system is connected normally”. 2. Check whether the communication link between ATMA device and the system is connected normally. i.

Check whether the communication link between ATMA device and the Node B system is connected normally. Y --> Go to “iii. Replace communication cable”. N --> Re-connect the cable, Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Replace communication cable”. iii. Replace communication cable. Replace communication cable and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset TAC board”. 3. Reset TAC board.

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Reset TAC board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Reset EMC”. 4. Reset EMC. Reset EMC, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5 Replace TAC board”. 5. Replace TAC board. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “6 Replace EMC”. 6. Replace EMC. Wait for two minutes and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote input power over-voltage alarm Major

Cause

The input voltage of power module is higher than alarm threshold 60v(error+-1V).

Handling process

1. Check whether the voltage of RRU power supply is over high. i.

Switch off RRU power. Unplug RRU-48V power plug. Use multimeter to measure the difference between -48 V power socket and -48 VGND terminal (i.e. power voltage). Observe if the absolute value is higher than 60 V (error +-1V).


Y --> Over voltage, adjust power supply of Node B rack so that power voltage is within normal range, Go to “ii. Check whether the alarm recovers”. N --> Normal voltage, Go to “2. Replace RRU power module: RPWDC”.


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ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Alarm is not recovered, “2. Replace RRU power module: RPWDC”. 2. Replace RRU power module: RPWDC. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote input power under-voltage alarm Major

Cause

The input voltage of power module is lower than alarm threshold 37 v (error+-1V).

Handling process

1. Check whether the voltage of RRU power supply is under low. i.

Switch off RRU power. Unplug RRU-48V power plug. Use multimeter to measure the difference between -48 V power socket and -48 VGND terminal (i.e. power voltage). Observe if the absolute value is lower than 37 V(error +1 V).


Y --> Under voltage Adjust power supply of Node B rack so that power voltage is within normal range. Go to “ii. Check whether the alarm recovers”. N --> Normal voltage. Go to “2. Replace RRU power module: RPWDC”. ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Go to “2. Replace RRU power module: RPWDC”. 2. Replace RRU power module: RPWDC.

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Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote input power breaking-current alarm Major Power module is abnormal. 1. Check whether the voltage of RRU power supply is normal. i.

Switch off RRU power. Unplug RRU-48V power plug. Use multimeter to measure the difference between -48 V power socket and -48 VGND terminal (i.e. power voltage). Observe if the power supply is normal.

Note: Be aware of short circuit during measurement. Y --> No voltage. Try to remove the power supply fault so that the voltage of Node B rack power supply is within normal range. Go to “ii. Check whether the alarm recovers”. N --> Normal voltage. Go to “2. Replace RRU power module: RPWDC”. ii. Check whether the alarm recovers. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Go to “2. Replace RRU power module: RPWDC”. 2. Replace RRU power module: RPWDC. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote output power over-current alarm


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Major Power supply fault 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote output power over-voltage alarm Major Power supply fault 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote power output under-voltage alarm Major Power supply fault 1. Replace RRU power module. Replace the RRU power module: RPWDC. Correctly connect power cables from RPWDC to internal modules of RRU. Switch on and wait until the system has finished booting. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote hardware fault Critical

Cause

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The system shall set the status of local cell, borne by RRU, to be faulty. Handling process

1. Reset RRU. 2. Wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace faulty RRU.” 3. Replace faulty RRU. 4. Wait for three minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote heater alarm Major Remote heater can not work normally 1. Reset RRU. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. replace the heater.” 3. Replace the heater. 4. Wait for three minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Handling process

Remote antenna over VSWR alarm Major Auto close PA output. Set the status of corresponding transmission channel to be fault. if the corresponding local cell has no available transmission channel, the local cell shall be in the status of fault. Meanwhile, the related cell shall be deleted. " 1. Reset RRU. 2. Check whether the alarm recovers.


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Y --> The alarm handling process completes. N --> Go to step 3. 3. Check whether the antenna connector is screwed down tightly. If not, screw down it. 4. Wait for three minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Remote antenna VSWR Major Remote antenna hardware fault 1. Reset RRU. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Check whether the antenna connector is screwed down tightly. If not, screw down it.” 3. Check whether the antenna connector is screwed down tightly. If not, screw down it. 4. Wait for three minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Low noise amplifier alarm Major Amplifier is damaged or input signal is large 1. Reset RRU. 2. Check whether the alarm recovers or not. Y --> The alarm handling process completes. N --> Go to “3. Replace RRU”. 3. Replace RRU. 4. Wait for three minutes and observe if the alarm recovers or not.

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Y --> The alarm handling process completes. N --> Please contact to ZTE office.


Local benchmark clock is unlocked Notification 1. Reference source is not configured. 2. Reference source is lost or degraded.

Handling process

1. Check whether clock reference source is configured. i.

Through OMC console, check whether reference source is configured. Y --> Go to “2 Check whether clock reference source is normal”. N --> Go to “ii. Configure clock reference source”.

ii. Configure clock reference source. Through OMC console, configure the usable clock reference source, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Check whether clock reference source is normal”. 2. Check whether clock reference source is normal. i.

Check whether there is clock reference source lost or degradation alarm. Y --> Go to “ii. Process clock reference source alarm”. N --> Go to “3 Reset the faulty board”.

ii. Process clock reference source alarm. According to relevant suggestions for clock reference source alarm, try to remove the alarm. Check whether the clock lost alarm on the board recovers. Y --> The alarm handling process completes. N --> Go to “3 Reset the faulty board”. 3. Reset the faulty board.



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Reset the faulty board, wait until the board runs normally, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4 Replace the faulty board” 4. Replace the faulty board.




GPS serial port fault Notification 1. GPS card fault. 2. The connection between GPS card and the board is poor.

Handling process

1. Unplug and plug GPS card. Unplug and plug GPS card, and check whether the alarm still exists. Y --> Alarm still exists, Go to “2 Replace GPS card” N --> The alarm handling process completes. 2. Replace GPS card, and check whether the alarm recovers. Replace GPS card, and check whether the alarm still exists. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


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STM-1 B1 error code alarm None



Cause

Handling process

The transmission quality is deteriorated (optical signal is overpower or under-power). There is strong electromagnetic interference source near optical port. Optical connector is unclean. Device working environment is over-temperature, etc. " 1. Check whether STM-1 physical link has an alarm. i.

Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm” N --> Go to “2 Check whether optical interface board has transmission clock alarm”.

ii. Solve physical link alarm problem. According to relevant suggestions, try to solve the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether optical interface board has transmission clock alarm”. N --> The alarm handling process completes. 2. Check whether optical interface board has transmission clock alarm. i.

Check whether optical interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm”. N --> Go to “3 Check whether local optical interface module is abnormal”.

ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove this alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local optical interface module is abnormal”. N --> The alarm handling process completes. 3. Check whether local optical interface module is abnormal. i.

Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module”. N --> Go to “4 Check whether RNC or transport device clock status is normal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board” N --> The alarm handling process completes. iii. Replace the faulty optical interface board.


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Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether RNC or transport device clock status is normal”. N --> The alarm handling process completes. 4. Check whether RNC or transport device clock status is normal. i.

Check whether RNC or transport device clock status is normal. Y --> Please contact ZTE Corporation. N --> Go to “ii. Remove RNC or transport device clock fault”.

ii. Remove RNC or transport device clock fault. Observe if this alarm still exists. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


Handling process

STM-1 B2 error code alarm Notification The transmission quality is deteriorated (optical signal is overpower or under-power). There is strong electromagnetic interference source near optical port. Optical connector is unclean. Device working environment is over-temperature, etc. 1. Check whether STM-1 physical link has an alarm. i.



Check whether optical interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm”

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N --> Go to “3 Check whether local optical interface module is abnormal”. ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove this alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local optical interface module is abnormal”. N --> The alarm handling process completes. 3. Check whether local optical interface board module is abnormal. i.


ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether RNC or transport device clock status is normal”. N --> The alarm handling process completes. 4. Check whether RNC or transport device clock status is normal. i.

Check whether RNC or transport device clock status is normal. Y --> Clock status is normal, Please contact ZTE Corporation. N --> Clock status is Go to “ii. Remove RNC or transport device clock fault”



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STM-1 B2 FEBEI (Far End Block Notification 1. Sending fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big. 5 Transmission clock is not synchronous.

Handling process

1. Check whether STM-1 physical link has an alarm. i.






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ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether RNC or transport device clock status is normal”. N --> The alarm handling process completes. 4. Check whether RNC or transport device clock status is normal. i.




Handling process

STM-1 B3 error code alarm Notification The transmission quality is deteriorated (optical signal is overpower or under-power). There is strong electromagnetic interference source near optical port. Optical connector is unclean. Device working environment is over-temperature, etc. 1. Check whether STM-1 physical link has an alarm. i.

Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm”. N --> Go to “2 Check whether optical interface board has transmission clock alarm”.

ii. Solve physical link alarm problem. According to relevant suggestions, try to solve the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether optical interface board has transmission clock alarm”.


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N --> The alarm handling process completes. 2. Check whether optical interface board has transmission clock alarm. i.



Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface board”. N --> Go to “4 Check whether RNC or transport device clock status is normal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board” N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether RNC or transport device clock status is normal”. N --> The alarm handling process completes. 4. Check whether RNC or transport device clock status is normal. i.

Check whether RNC or transport device clock status is normal. Y --> Clock status is normal, Please contact ZTE Corporation. N --> Clock status is Go to “ii. Remove RNC or transport device clock fault”.

ii. Remove RNC or transport device clock fault. Observe if this alarm still exists.

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Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


STM-1 B3 FEBEI (Far End Block Error Indicator) alarm Notification 1. Sending fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big. 5 Transmission clock is not synchronous.

Handling process




Check whether optical interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm” N --> Go to “3 Check whether local optical interface module is abnormal”.

ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local optical interface module is abnormal”. N --> The alarm handling process completes. 3. Check whether local optical interface module is abnormal. i.

Check whether local optical interface module is abnormal.


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Y --> Go to “ii. Process the abnormity of local optical interface module”. N --> Go to “4 Check whether RNC or transport device clock status is normal”. ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether RNC or transport device clock status is normal”. N --> The alarm handling process completes. 4. Check whether RNC or transport device clock status is normal. i.




STM-1 MSRDI (MS Remote Defect Indicator) alarm Notification 1. Sending fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big. 5 Transmission clock is not synchronous.

Handling process


Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm”

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N --> Go to “2 Check whether optical interface board has transmission clock alarm”. ii. Solve physical link alarm problem. According to relevant suggestions, try to solve the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether optical interface board has transmission clock alarm”. N --> The alarm handling process completes. 2. Check whether optical interface board has transmission clock alarm. i.



Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module” N --> Go to “4 Check whether the peer fiber link is abnormal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board” N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether the peer fiber link is abnormal”. N --> Alarm process ends. 4. Check whether the peer fiber link is abnormal.


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Check whether the peer fiber link is abnormal. .Observe if the alarm still exists. 



If it is the remote device fault, please remove the fault of the peer device. The alarm handling process completes. If it is the optical fiber fault, please ask your customer for help to solve the optical transmission problem. The alarm handling process completes.


STM-1 HPRDI (High-order Path Remote Defect Indicator) alarm Notification 1. Sending fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big. 5 Transmission clock is not synchronous.

Handling process


Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm”. N --> Go to “2 Check whether optical interface board has transmission clock alarm”.



ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local optical interface module is abnormal”.

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N --> The alarm handling process completes. 3. Check whether local optical interface module is abnormal. i.

Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module” N --> Go to “4 Check is the peer fiber link is abnormal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether the peer fiber link is abnormal”. N --> The alarm handling process completes. 4. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. Observe if the alarm still exists. 





STM-1 HPPLM (High-order Path Payload Level Mismatch) Notification 1. Receiving fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big.

Handling process




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ii. Solve physical link alarm problem According to relevant suggestions, try to solve the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether optical interface board has transmission clock alarm”. N --> The alarm handling process completes. 2. Check whether optical interface board has transmission clock alarm. i.



Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module”. N --> Go to “4 Check whether the peer fiber link is abnormal”

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether the peer fiber link is abnormal”. N --> The alarm handling process completes. 4. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. Observe if the alarm still exists.

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





STM-1 loss of cell delineation Notification 1. Receiving fiber is abnormal. 2. The peer optical port has a fault. 3. Local optical port has a fault. 4. Transmission BER is very big.

Handling process


Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm” N --> Go to “2 Check whether optical interface board has transmission clock alarm”



ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove this alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local optical interface module is abnormal”. N --> The alarm handling process completes. 3. Check whether local optical interface module is abnormal.


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i.

Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module”. N --> Go to “4 Check whether the peer fiber link is abnormal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether the peer fiber link is abnormal”. N --> The alarm handling process completes. 4. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. Observe if the alarm still exists. 





STM-1 Rx cell CRC error Notification 1. Transmission clock is not synchronous. 2. Receiving fiber is abnormal. 3. The peer optical port has a fault. 4. Local optical port has a fault. 5. Transmission BER is very big.

Handling process


Check whether STM-1 physical link has an alarm. Y --> Go to “ii. Solve physical link alarm” N --> Go to “2 Check whether optical interface board has transmission clock alarm”

ii. Solve physical link alarm problem.

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According to relevant suggestions, try to solve the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether optical interface board has transmission clock alarm”. N --> The alarm handling process completes. 2. Check whether optical interface board has transmission clock alarm. i.



Check whether local optical interface module is abnormal. Y --> Go to “ii. Process the abnormity of local optical interface module”. N --> Go to “4 Check whether the peer fiber link is abnormal”.

ii. Process the abnormity of local optical interface module. Process the abnormity of local optical interface board. Observe if the alarm still exists. Y --> Go to “iii. Replace the faulty optical interface board”. N --> The alarm handling process completes. iii. Replace the faulty optical interface board. Replace optical interface board. Wait until the board has finished booting. Observe if the alarm still exists. Y --> Go to “4 Check whether the peer fiber link is abnormal” N --> The alarm handling process completes. 4. Check whether the peer fiber link is abnormal. Check whether the peer fiber link is abnormal. Observe if the alarm still exists. 

If it is the remote device fault, please remove the fault of the peer device. The alarm handling process completes.


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

If it is the optical fiber fault, please ask your customer for help to solve the optical transmission problem. The alarm handling process completes.


E1/T1 HDB3 coding violation alarm Notification 1. E1/T1 setting is incorrect. 2. E1/T1 transport link connection is abnormal. 3. E1/T1 transport trunk has a problem. 4. The peer device is abnormal. 5. E1/T1 grounding does not meet relevant criterion.

Handling process

1. Check whether E1physical link has an alarm. i.

Check whether E1 physical link has an alarm. Y --> Go to “ii. Check whether the alarm problem is solved”. N --> Go to “2 Check whether local interface board has transmission clock alarm”.

ii. Check whether the alarm problem is solved. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether local interface board has transmission clock alarm”. N --> No, The alarm handling process completes. 2. Check whether local interface board has transmission clock alarm. i.

Check whether local interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm”. N --> Go to “3 Check whether local interface board is abnormal”.

ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local interface board is abnormal”. N --> No, The alarm handling process completes. 3. Check whether local interface board is abnormal.

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i.

Use a good E1 cable to connect receiving end and transmitting end of the fault E1 link. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “ii. Process the abnormity of local interface board. N --> Go to “4 Check whether the device is grounded correctly”.

ii. Process the abnormity of local interface board. Process the abnormity of local E1/T1 interface board. 4. Check whether the device is grounded correctly. i.

Check whether E1 line is grounded correctly. Y --> E1 link is grounded normally, Go to “5 Check whether RNC or transport device clock status is normal”. N --> E1 link grounding does not meet criterion, Go to “ii. Re-connect the grounding line of E1 link”

ii. Re-connect the grounding line of E1 link. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “5 Check whether RNC or transport device clock status is normal”. N --> No, alarm process ends. 5. Check whether RNC or transport device clock status is normal. i.


ii. Remove RNC or transport device clock fault. iii. Observe if the alarm still exists. Y --> It is the link fault. Please ask your customer for help to process transport problem. The alarm handling process completes. N --> It is the remote device fault. Please remove the fault of the peer device. The alarm handling process completes.


E1/T1 link slip code alarm Notification 1. Transport clock is abnormal.


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2. E1/T1 transport link connection is abnormal. 3. E1/T1 transport trunk has problem. 4. E1/T1 grounding does not meet relevant criterion. Handling process

1. Check whether E1 physical link has an alarm. i.

Check whether E1 physical link has an alarm. Y --> Go to “ii. Check whether the alarm problem is solved”. N --> Go to “2 Check whether local interface board has transmission clock alarm”.

ii. Check whether the alarm problem is solved. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Check whether local interface board has transmission clock alarm”. N --> No, The alarm handling process completes. 2. Check whether local interface board has transmission clock alarm. i.

Check whether local interface board has transmission clock alarm. Y --> Go to “ii. Process transmission clock alarm”. N --> Go to “3 Check whether local interface board is abnormal”.

ii. Process transmission clock alarm. According to relevant suggestions for transmission clock alarm, try to remove the alarm. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “3 Check whether local interface board is abnormal”. N --> The alarm handling process completes. 3. Check whether local interface board is abnormal. i.

Use a good E1 cable to connect receiving end and transmitting end of the fault E1 link. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “ii. Process the abnormity of local interface board”. N --> Go to “4 Check whether the device is grounded correctly”.

ii. Process the abnormity of local interface board. Process the abnormity of local E1/T1 interface board. 4. Check whether the device is grounded correctly. i.

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Check whether E1 line is grounded correctly.



Y --> E1 link is grounded normally, Go to “5 Check whether RNC or transport device clock status is normal”. N --> E1 link grounding does not meet criterion, Go to “ii. Re-connect the grounding line of E1 link”. ii. Re-connect the grounding line of E1 link. Wait for fifteen minutes. Observe if the alarm still exists. Y --> The alarm handling process completes. N --> Go to “5 Check whether RNC or transport device clock status is normal”. 5. Check whether RNC or transport device clock status is normal. i.

Check whether RNC or transport device clock status is normal. Y --> Clock status is normal, indicating the peer is normal. Please contact ZTE Corporation. N --> Clock status is Go to “ii. Remove RNC or transport device clock fault”.

ii. Remove RNC or transport device clock fault. iii. Observe if the alarm still exists. Y --> It is the link fault. Please ask your customer for help to process transport problem. The alarm handling process completes. N --> It is the remote device fault. Please remove the fault of the peer device. The alarm handling process completes.


ATM is overload Notification ATM traffic exceeds normal range. 1. Check whether the corresponding PVC parameter is correctly configured. i.

Through OMC console, change PVC bandwidth configuration so that it is consistent with RNC. Wait for fifteen minutes. Observe if the alarm still exists. Y --> Go to “2 Process the abnormity of local interface board”. N --> The alarm handling process completes.

2. Process the abnormity of local interface board. i.

Process the abnormity of local optical interface board.


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After single board has finished booting and RUN light flashes normally (in 1Hz frequency), query the alarm status of corresponding board. Check whether the alarm still exists. Y --> Go to “ii. Replace the alarming interface board”. N --> The alarm handling process completes. ii. Replace the alarming interface board.

Note: Replacing interface board may cause the services carried on the board being interrupted. Therefore, please choose appropriate time to replace it.

After single board has finished booting and RUN light flashes normally(in 1Hz frequency), query the alarm status of corresponding board. Check whether the alarm still exists. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


SSCOP fault Notification 1. Node B clock fault. 2. The configured bandwidth of AAL5 PVC at Node B side is too small. 3. Poor transmission quality.

Handling process

1. Check whether there is clock alarm, which affects Iub interface. Solve the clock alarm, which affects Iub interface. Go to “2 Check whether bandwidth meets transmission requirement”. 2. Check whether bandwidth meets transmission requirement. View PVC link bandwidth from OMC console. Y --> Go to “3 Check and improve quality of transmission link” N --> Change the configuration of PVC link bandwidth. 3. Check and improve quality of transmission link. Ask transmission maintenance engineers to check transmission link and try to solve the problem. If

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transmission Corporation.

becomes

normal,

Please

contact

ZTE


ALCAP link fault None This is related to the above alarm sub-code. 1: Local AAL2 link is in the state of blocking. 2: Node B ALCAP has no idle instance, indicating some ALCAP instances are not released. 3, 4, 5, 7: ALCAP protocol version at both ends is not matched. 6: ALCAP resources at both ends are not matched. 9: Node B cid is occupied. Other value: none

Handling process

1. Check whether ALCAP link is blocked. According to alarm sub-code, check whether ALCAP link is blocked. Y --> Unblock the corresponding AAL2 path. N --> Go to “2 Check whether ALCAP protocol version is unmatched.” 2. Check whether ALCAP protocol version is unmatched. According to alarm sub-code (related to 3, 4, 5, 7), check whether ALCAP protocol version is unmatched. Y --> Change software version so that both ends have the same protocol version. N --> Go to “4 Other reason process”. 3. Other reason process. Please contact ZTE to solve the problem.


SCTP association fault Notification It is impossible to apply and obtain resources from the system. 1. Wait for system auto-recovery. Wait for fifteen minutes, and then check whether the alarm recovers.


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Error PATHID alarm is received. Notification

Cause

The configuration of AAL2 Pathid at Node B side is inconsistent with that at RNC side.

Handling process

1. Check whether the configuration of AAL2 link parameter is consistent with its peer end. Y --> Please contact ZTE Corporation. N --> According to AAL2 resources at RNC side, add or change AAL2 link configuration at Node B side. The alarm handling process completes.


RNC IP is unavailable Notification 1. Network cable fault. 2. The configuration of local FE parameters is wrong. 3. Remote network port fault. 4. Local network fault.

Handling process

Check whether network cable is abnormal. Please check whether network cable has the following problem: 1. Network cable is not tightly connected. 2. Network cable is bad. Please solve the above problem if there is any. 





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Check whether FE parameters of local network port are correctly configured. Check FE parameters such as NODE B IP address, gateway IP, subnet mask. Make sure the parameters are correctly configured. If router or network gateway is connected, please check the corresponding configuration.




PPP Link Recycle Notification Iub Link has recycled If HDLC configured on E1/STM1/FE link, check whether the link has recycled. Y --> Cancel the link recycle. N --> Do not care.


PAP authorize failed Notification Wrong user password Check whether the user password is right. Y --> Please contact ZTE Corporation. N --> Please reconfigure the data.


CHAP authorize failed Notification Wrong user password Check whether the user password is right. Y --> Please contact ZTE Corporation. N --> Please reconfigure the data.


CHAP oppose authorize failed Notification Wrong user password Check whether the user password is right Y --> Please contact ZTE Corporation. N --> Please reconfigure the data.


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Alarm storm notification Notification Some alarms occurred frequently 1. Check the alarm, which causes this alarm storm. From network management console, check the parameters attached in alarm storm notification and finds which alarm causes this alarm storm. 2. Try to remove the alarm which causes this alarm storm according to the relevant suggestions for this alarm. 3. Check whether the alarm storm notification disappears. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Cell deletion notification Notification A user has initiated the operation of blocking local cell or the system has cell resource fault. 1. Find the reason to delete the cell. i. 



Find the reason to delete the cell. If the user initiates the operation of blocking the corresponding local cell, there is no need for any process. If the system auto deletes the cell, go to “ii. Check whether there is an alarm, which affects the local cell”.

ii. Check whether there is an alarm, which affects the local cell. Y --> Handle the alarm according to relevant suggestions. N --> Please contact ZTE Corporation.


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Node B reboot notification Notification A user resets Node B or Node B is powered down and reboots.



Handling process

1. Find the reason to reset Node B. 





If the user resets the Node B, there is no need for any process. Node B is powered down and reboots, please check whether the power supply is normal. If Node B auto resets, Please contact ZTE Corporation.


Master/slave changeover alarm Notification The changeover operation is initiated by a user or it is because the master main control board has a fault. 1. Find the operation. 



reason

to

initiate

master/slave

changeover

If the user initiates the master/slave changeover operation, there is no need for any process. If the system auto initiates the master/slave changeover operation, please check whether the current slave board has a fault.


ATMA device address conflict Notification 1. This alarm notification may be given if quick Unplug-and-plug the connected AISG device. 2. Otherwise, new device is inserted, which has conflict address with existing AISG device. "

Handling process

1. If someone quick Unplugs and plugs the connected AISG device, there is no need for any process. The original device can resume to normal communication. If not, go to “2. Scan AISG device and add the new device." 2. Scan AISG device and add the new device.


RET device address conflict Notification

Cause


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1. This alarm notification may be given if quick Unplug-and-plug the connected AISG device. 2. Otherwise, new device is inserted, which has conflict address with existing AISG device. " Handling process

1. If someone quick Unplugs and plugs the connected AISG device, there is no need for any process. The original device has resumed to normal communication. If not, go to “2. Scan AISG device and add the new device." 2. Scan AISG device and add the new device.


CSU not locked Major 1. Optic port belonged board is not tightly connected. 2. Optic port belonged board has fault.

Handling process

1. Optic port 0~3 belong to the main control board and optic port 4~5 belong to BRIS board. Check whether the faulty board is main control board type. Y --> Go to “2. Deal with main control board fault” N --> Go to “3. Deal with BRIS board fault” 2. Deal with main control board fault.

Note: Replace or reset main control board. which lead to the board will cause interruption of all services carried on the board. Therefore, please choose appropriate time to replace it. i.

Reset fault main control board Reset fault main control board. Wait for three minutes until the board is normal. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “ii. Replace fault main control board”.

ii. Replace fault main control board Replace fault main control board. Wait for three minutes until the board is normal. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

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3. Deal with BRIS board fault.

Note: Replace or reset BRIS board so that reset main control board. which lead to the board will cause interruption of all services carried on the board. therefore, please choose appropriate time to replace it.

i.

Check whether BRIS board is not tightly connected. Check and BRIS board is tightly connected Y --> The alarm handling process completes. N --> Go to “ii. Reset board”

ii. Reset board. Reset BRIS board belonged main control board. Wait for three minutes until the board is normal. Check whether the alarm recovers Y --> The alarm handling process completes. N --> Go to “iii. Replace fault BRIS board” iii. Replace fault BRIS board Replace BRIS board. Wait for three minutes until the board is normal. Check whether the alarm recovers Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Receiving antenna is imbalance Major

Cause

When the receive mode of cell antenna is diversity or mulantenna receive, if there is configure wrong of receive antenna or not well contacted in cell, will reported this alarm.

Handling process

1. Check whether the receive RF unit of local cell related with the cell is configured rightly. i.

Check whether the receive RF unit of local cell is configured rightly in LMT. Y --> Go to”2 Check whether the antenna of related cell is contacted well”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers.


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Y --> The alarm handling process completes. N --> Go to “2 Check whether the antenna of related cell is contacted well”. 2. Check whether the antenna of related cell is contacted well. i.

Check whether the Master and Slave antennas of related cell contacted well. Y --> Go to “iii. Check whether the diversity antenna of neighborhood sector contacted rightly”. N --> Go to “ii. Check whether the alarm recovers”.

ii. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “iii. Check whether the diversity antenna of neighborhood sector contacted rightly”. iii. Check whether the diversity antenna of neighborhood sector contacted rightly. Y --> Go to “iv. Check whether the alarm recovers”. N --> Go to “v. Replace the faulty antenna”. iv. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “v. Replace the faulty antenna”. v. Replace the faulty antenna. Replace the antenna, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Main input power over-voltage alarm Major 1. Input voltage of main power is abnormal. 2. Environment monitor unit EMU is broken."

Handling process

1. Check support voltage of BPWC is normal. i.

Turn off BPWC power, take off BPWC -48 V plug, measure the difference of voltage between -48 V and -48 VGND by multimeter (the support voltage of rack), and then check whether it is normal.

Note:

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Don't make short circuit while measuring.

Y --> Go to “ii. Check whether the alarm recovers”. N --> Go to “2.Change the power module of BPWC”. ii. Check whether the alarm recovers. Turn on the power and wait for the start of system. Check whether the alarm recovers. Y --> the alarm handling process completes. N --> Go to “2. Change the power module of BPWC”. 2. Change the power module of BPWC. Change the power module of BPWC, link the inner lines of modules between BPWC and BBU by the right ways, turn on the power, and wait for the start of system. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Main input power under-voltage alarm Major 1. Input voltage of main power is abnormal. 2. Environment monitor unit EMU is broken."

Handling process

1. Check support voltage of BPWC is normal. i.

Turn off BPWC power,take off BPWC -48V plug, measure the difference of voltage between -48 V and -48 VGND by multimeter(the support voltage of rack), and check whether the absolute value is below 37 V(error is ±1 V).

Note: Don't make short circuit while measuring.

Y --> Go to “ii. Check whether the alarm recovers”. N --> Go to “2. Change the power module RPWDC of RRU”. ii. Check whether the alarm recovers. Turn on the power, and wait for the start of system. Check whether the alarm recovers.


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Y --> The alarm handling process completed. N --> Go to “2.Change the power module RPWDC of RRU”. 2. Change the power module RPWDC of RRU. Change the power module RPWDC of RRU, link the inner lines of modules between BPWC and BBU by the right ways, turn on the power, and wait for the start of system. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Main input power powered-down alarm Major 1. Input voltage of main power is abnormal. 2. Environment monitor unit EMU is broken."

Handling process

1. Check whether the main power is normal. i.

Check whether the main power is normal. Y --> Go to “2. Restart the environment monitor unit”. N --> Go to “ii. Handle the main power fault”.

ii. Handle the main power fault. Deal with the main power fault, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Restart the environment monitor unit”. 2. Restart the environment monitor unit. Pull out and push in the EMC board, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3.Exclude the linker fault of back board in EMU”. 3. Exclude the linker fault of back board in EMU. Exclude the linker fault of back board in EMU, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4.Replace the accessorial board of environment monitor”. 4. Replace the accessorial board of environment monitor.

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Replace the accessorial board EMS of environment monitor, wait for two minutes, and check whether the alarm recovers. Y

 The

N

 Go

alarm handling process completes. to “5. Replace the environment monitor board”.

5. Replace the environment monitor board. Replace the environment monitor board EMC, wait for two minutes, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Subcard is not exist,although it has configured Major Subcard which is configured is not exist. 1. Check whether the subcard is configured rightly. Y --> Go to “2.Check whether the alarm recovers”. N --> Go to “3.Config the subcard rightly”. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 3. Config the subcard rightly. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Insert Subcard error Major

Cause

The configured subcard type is not coincided with the actual subcard type.

Handling process

1. Check whether the configured subcard type is coincided with the actual subcard type. Y --> Go to “2.Check whether the alarm recovers”. N --> Go to “3.Config the subcard type that is coincided with the actual subcard type”. 2. Check whether the alarm recovers.


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Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 3. Configure the subcard type that is coincided with the actual subcard type. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Detect the unconfigured subcard Minor "There has subcard in board, but has not configured for use." 1. Check whether the subcard is configured. Y --> Go to “2.Check whether the alarm recovers”. N --> Go to “3.Config the subcard for use or remove it”. 2. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation. 3. Configure the subcard for use or remove it. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Software file is not identical with the DataBase record Major There has record in DB while software file is not existed. Download the software again, and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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Firmware file is not identical with the DataBase record



Severity

Major

Cause

Firmware file is not exist or its size is not identical with the DB record.

Handling process

Download the firmware package of the same version again, and Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


AISG EEPROM error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace AISG device” 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


AISG flash erase error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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AISG flash error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


AISG other hardware error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


AISG other software error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes.

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N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process pr ocess completes. N --> Please contact ZTE Corporation.


AISG RAM error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


AISG UART error Minor Parameter error 1. Reset AISG device Wait for two minutes. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


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RET motor fault Major RET motor fault 1. Please adjust device again. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Please install RET motor again and adjust” 2. Please install install RET motor again and adjust. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace RET motor”. 3. Replace RET motor Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET motor can't adjust Major RET motor can't adjust 1. Please install install RET motor again and adjust. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Replace RET motor”. 2. Replace RET motor Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


176

RET motor don't response the adjusting command Minor



Cause Handling process

RET motor don't response the adjusting command 1. Please adjust device again. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Please install RET motor again and adjust”. 2. Please install RET motor again and adjust. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace RET motor”. 3. Replace RET motor Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET don't calibrated Major RET don't calibrated 1. Please adjust device again. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Please restart device”. 2. Please restart device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Checked configure file and antenna type is consistent” 3. Checked configure file and antenna type is consistent. If not then send right configure data to device. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “4.Please install RET motor again and adjust”. 4. Please install RET motor again and adjust Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “5.Replace RET motor”.


177


5. Replace RET motor Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET data don't scaled Major RET data don't scaled 1. Checked device data is abnormal. Y --> Go to “2. Send right configure data to device” N --> Go to “3. Replace Ret motor” 2. Send right configure data to device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace RET motor”. 3. Replace RET motor Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


RET position lost Minor RET position lost 1. Please adjust device again. Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Please install RET motor again and adjust”. 2. Please install RET motor again and adjust. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3.Replace RET motor”. 3. Replace RET motor

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Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA minor alarm Minor ATMA minor fault 1. Reset AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device. Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ATMA major alarm Major ATMA major fault 1. Reset AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ACOM minor alarm Minor


179


Cause Handling process

ACOM minor fault 1. Reset AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device”. 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


ACOM major alarm Major ACOM major fault 1. Reset AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2.Replace AISG device” 2. Replace AISG device Wait for two minutes and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Handling process

PA_License permission limit Major This alarm notification may be given if the sum of all cells transmission power output on the board which to create the cell is larger than the PA_License was set. 1. Check configure data. Send config-data to station on Operation System, and PA license selection open. Y --> Go to “2. Check Cell TX Power.” N --> Go to “2. Check Cell TX Power.” 2. Check Cell TX Power.

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Check the sum of all cells transmission power output on the board. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Subcard fault is detected Major Subcard is broken. 1. Check whether the subcard is broken. Y --> Go to”2. Replace the subcard” N --> Please contact ZTE Corporation. 2. Replace the subcard Check whether the alarm recovers Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Configuration IMA group failure Major IUB port already exists, parameter is wrong, or both ends of IMA group parameters are not configured consistently. 1. Check configuration data. i.


ii. Change the wrong configuration data. According to checking results, change the wrong configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board.


181


Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


IpVlan Configure Failed Major The configured parameters mistake. 1. Check configuration data. i.

Upload Node B configuration data through O&M system. Use configuration management system to open it, and then check whether the configuration data is correct. Y --> Go to “2 Reset the faulty board”. N --> Go to “ii. Change wrong configuration data”.

ii. Change wrong configuration data. According to real situation, change the configuration data, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2 Reset the faulty board”. 2. Reset the faulty board. Reset the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3 Replace the faulty board”. 3. Replace the faulty board. Replace the faulty board, wait for two minutes, and then check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

182




Power alarm Critical Power occur error! None


Ir link LCV (line code violation) alarm Notification 1. Poor fiber connection. 2. Optical module defect. 3. Ir interface chipset work abnormally.

Handling process

1. Check whether the fiber is connected well. Check the fiber connection and check whether the alarm still exists. Y --> Go to “2 Replace the optical module.” N --> The alarm handling process completes. 2. Replace the optical module. Replace the optical module and check whether the alarm still exists. Y --> Go to “3 Reset the RRU.” N --> The alarm handling process completes. 3. Reset the RRU. Reset the RRU and check whether the alarm still exists. Y --> Go to “4 Replace the RRU.” N --> The alarm handling process completes. 4. Replace the RRU. Replace the RRU and check whether the alarm still exists. Y --> Please contact ZTE Corporation. N --> The alarm handling process completes.


RRU clock frequency drift


183


Severity Cause

Notification 1. RRU local oscillator aged, the initial frequency drifts too much. 2. BBU's local clock frequency drifts too much.

Handling process

1. Check whether there has the same alarm in RRU under the same BBU. If it is, then BBU clock is broken. Try to replace the BBU clock board, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Reset the RRU.” 2. Reset the RRU. Reset the RRU and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “3. Replace the RRU.” 3. Replace the RRU. Replace the RRU and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Digital power abnormal Major 1. Logical cell is closed. 2. Fiber transport is disconnected instantaneously. 3. Ir interface or BRIC chip is abnormal.

Handling process

1. Check the fiber i.

Check whether the fiber is connected well. Y --> Go to “ii. Please replace the fiber or fix it”. N --> Go to “iii. Check whether the alarm recovers”.

ii. Please replace the fiber or fix it, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Go to “2. Check whether the clock is degraded in CCI”. iii. Check whether the alarm recovers Y --> The alarm handling process completes.

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N --> Go to “2. Check whether the clock is degraded in CCI”. 2. Check whether the clock is degraded in CCI Y --> Go to “3. Please replace the CCI board” N --> Go to “i. Check whether the alarm recovers” i.

Check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.

3. Please replace the CCI board Replace the CCI board, and check whether the alarm recovers. Y --> The alarm handling process completes. N --> Please contact ZTE Corporation.


Digital PA over power alarm Minor 1. When CPU detects the output power of digital PA exceeds rated power by 2dbm will report this alarm. 2. When intermediate frequency FPGA detects the output power of PA exceeds rated power by 2.5dbm will report this alarm by CPU. 3. Not the same with PA over power alarm, when Digital PA recovers, Digital PA over power alarm will recover.

Handling process

1. Check if there has PA over power alarm at the same time. Y->Yes, look up the handle of alarm 3000(PA over power alarm). N->No, ignore this alarm.


PA Run Failed alarm Major PA is defected. 1. Check if the PA is turned on. Check if the PA status is "RUNNING" Y->Yes, skip to "2.Replace the RRU"


185


N->No, turn on the PA and check if the alarm is recovered. If not recovered, please contact ZTE 2. Replace the RRU. Replace the fault RRU; Check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, please contact ZTE


Ir signal of port 0 lost Major The fiber loose or broken, or the optical module is damaged. 1. Check the fiber. Check if the fiber looses. If so, connect the fiber and check if the alarm is recovered. Y->Yes, end alarm process. N->No, skip to "2.Check if the fiber is damaged." 2. Check if the fiber is damaged. If the fiber is damaged, replace it and check if the alarm is recovered. Y->Yes, end alarm process. N->No, skip to "3.Check if the optical module broken." 3. Check if the optical module broken. If the optical module broken, replace it and check if the alarm is recovered. Y->Yes, end alarm process. N->No, please contact ZTE


Ir link FIFO abnormal Warning 1. RRU clock does not synchronize to the BBU clock. 2. RRU local clock defected.

Handling process

1. Check if there are more than one RRU under the same BBU having this alarm at almost the same time. Y->Yes, check if the BBU clock board has any alarm of clock.

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N->No, skip to "2.Check if the RRU PLLs are all in LOCK status" 2. Check if the RRU PLLs are all all in LOCK status. Y->Yes, skip to "3.Replace the RRU." N->No, please contact ZTE. 3. Replace the RRU. Replace the RRU, check if the alarm is recovered. Y->Yes, end alarm process. N->No, please contact ZTE.


RRU RTWP abnormal Minor 1. Poor antenna connection, or Feeder/Jumper defect. 2. LNA defect. 3. RRU internal poor connection. 4. RRU internal receiver circuit circuit defect.

Handling process

1. Check the antenna connection, or replace the defective Feeder/Jumper defect, check if the alarm is recovered. Y->Alarm is recovered, end alarm process. p rocess. N->No, skip to "2. Reset the RRU." 2. Reset the RRU. Reset the RRU, check if the alarm is recovered. Y->Alarm is recovered, end alarm process. p rocess. N->No, skip to "3. Replace the RRU." 3. Replace the RRU. Replace the RRU, check if the alarm is recovered. Y->Alarm is recovered, end alarm process. pr ocess. N->No, please contact ZTE.


Frame SeqNo Failed Critical 1. FPGA timesyn on UBPG board transfer failed or timesyn clock failed;


187


2. Frame terminate clock failed. Handling process

1. Check whether UBPG exists exists 61.44M clock alarm Y->Exist, jump to "3 Reboot Board" N->Not exist, jump to"2 check CC exists 61.44M clock alarm" 2. Check CC exists 61.44M 61.44M clock alarm Y->exist, jump to"3 Reboot Board" N->not exist, reboot UBPG, then reboot CC, jump to"3 Reboot Board:" 3. Reboot Board Reboot board, wait for 2 minutes,judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 4. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


HardWare TimeSlot Terminate Failed Critical 1. FPGA software vertion is abnormal. 2. UBPG 61.44M clock failed.

Handling process

1. Change FPGA software Change FPGA software, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 3. change board Change the board, wait for 2 minutes, judge whether the alarm is resumed.

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Y->resume, end. N->not resume, please contact ZTE


AIF Interface Failed Critical 1. FPGA abnormal 2. DSP abnormal

Handling process

1. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 2. change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Out RAM Read/Write Failed Minor UBPG board is failed. 1. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 2. change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


189



Dsp watchdog overflow Critical 1. DSP software vertion is abnormal 2. UBPG board is failed.

Handling process

1. Check whether the alarm alarm is reported frequently. Y->yes, jump to"2 change DSP software" N->no, the signal is outware, can resume byself. 2. Change Dsp software Change Dsp software, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "3.Reboot Board" 3. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 4. change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Uplink Trx 60ms Abnormal Critical 1. FS board is abnormal. 2. Link between BBU and RRU failed. failed. 3. RRU board is abnormal.

Handling process

1. Check the FD link. i.

Check the FD link is normal. Y->normal, jump to"2 check rru board is normal" N->abnormal, link FD again, jump to"2 ） judge whether the alarm is resumed"

ii. Judge whether the alarm is resumed

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Y->resumed, end. N->not resume, jump to"2 check rru board is normal" 2. Check rru board is normal i.

Check whether rru board is normal. Y->normal, jump to"3 check FS board is normal". N->abnormal, jump to"2) process rru board abnormal"

ii. process rru board abnormal Resolve board fault, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to"3 check FS board is normal" 3. Check FS board is normal i.

Check FS board is normal Y->normal, jump to"4 reboot UBPG board"。 N->abnormal, jump to"2) process FS board Fault"

ii. Process FS board Fault Resolve board fault, judge the alarm is resumed. Y->resumed, end. N->not resumed,jump to"4 reboot UBPG board" 4. Reboot UBPG board Reboot UBPG board, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to"5 reboot rru board" 5. Reboot rru board reboot rru board, judge the alarm is resumed. Y->resumed, end. N->not resumed, jump to"6 reboot FS board" 6. Reboot FS board reboot FS board, judge the alarm is resumed. Y->resumed, end. N->not resumed, jump to"7 Change UBPG board" 7. Change UBPG board Change UBPG board, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to"8 Change rru board" 8. Change rru board Change rru board, judge whether the alarm is resumed.


191


Y->resumed, end. N->not resumed, jump to"9 change FS board" 9. Change FS board Change FS board, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, please contact ZTE


Software Load Abnormal Critical 1. Dsp or FPGA software vertion is abnormal 2. UBPG board is failed.

Handling process

1. Change DSP/FPGA software Change DSP/FPGA software, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Physical param not consistent with radio param Critical OMCR parameter is not consistent with OMCB parameter. 1. Check whether OMCR and OMCB parameter is consistent with each other Y->not consistent, synchronize OMCR and OMCB parameters, end.

192



N->consistent, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Radio param error Critical OMCR radio param configuration error. 1. Check OMCR parameters Y->abnormal, modify parameter configuration, end. N->normal, jump to "2.delete TRX/Sector, Add again" 2. Delete TRX/Sector, Add again Judge whether alarm is resumed. Y->resumed, end. N->not resumed, jump to "3.Reboot Board" 3. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 4. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


193



Link3 of BUC software not response Minor 1. BUC software runs abnormally. 2. Link between CC and BUC failed.

Handling process

1. Check link Y->abnormal, jump to link fail process. N->normal, jump to "2 Reboot Board" 2. Reboot Board reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to"4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Dsp software on UBPG not response Critical DSP software runs abnormally. 1. Change Dsp software Judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed.

194



Y->resume, end. N->not resume, please contact ZTE


DBB param response error Minor DSP software runs abnormally. 1. Change Dsp software judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


IQ Config Failed Critical Peripheral board or hardware failed. 1. check whether other boards exist alarm. Y->exist, end. N->not exist, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board


195


Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


IPTB Setup Link Failed Critical 1. Software runs abnormally. 2. Board failed.

Handling process

1. Change CC software Change CC software, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Require Radio Param timeout for times Minor 1. OMCR had not param. 2. SCTP link failed.

Handling process

1. Change CC software Change CC software, judge whether the alarm is resumed. Y->resumed, end. N->not resumed, jump to "2.Reboot Board" 2. Reboot Board

196



Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Emac Interface Error （Control face） Critical Emac interface lost data 1. Reboot Board Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 2. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


Emac Interface Error （User face） Critical 1. Transmit error 2. Microcode processed error

Handling process

1. Check link way Check link between BSC and CC. Y->ok, jump to "2.Reboot Board". N->not ok, fix it, end. 2. Reboot Board


197


Reboot board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, jump to "4.change board" 3. Change board Change the board, wait for 2 minutes, judge whether the alarm is resumed. Y->resume, end. N->not resume, please contact ZTE


E1T1 sliding code None Hardware fault or link fault 1. Check if there is software version fault alarm. i.

Check if the fault board has corresponding software version fault alarm. Y->Yes, skip to "2) handle software ve rsion fault alarm". N->No, skip to "2 Reset board".

ii. Handle software version fault alarm According to suggestions on handling software version fault alarm, remove this alarm. Check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "2 Reset board". 2. Reset board Reset the fault board and wait for 2 minutes. Check is the alarm is recovered. Y-> Yes, end alarm processing. N->No, skip to "3 Replace board". 3. Replace board Replace the fault board, wait for 2 minutes, check if the alarm is recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.

198




GPS receiver alarm Critical Antenna problem or GPS receiver broken 1. Check if there is software version fault alarm. i.

Check if the fault board has corresponding software version fault alarm. Y->Yes, skip to "ii. handle software version fault alarm". N->No, skip to "2 Reset board".

ii. Handle software version fault alarm According to suggestions on handling software version fault alarm, remove this alarm. Check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "2 Check if GPS antenna is connected normally". 2. Check antenna i.

Check if GPS antenna is connected normally. Y->Normal connection N->Not connected or antenna is broken

ii. Connect or replace antenna. Then check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "3 Reset board". 3. Reset board Reset the fault board and wait for 2 minutes. Check is the alarm is recovered. Y-> Yes, end alarm processing. N-> No, skip to "4.Replace board". 4. Replace board Replace the fault board, wait for 2 minutes, check if the alarm is recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


199



UL IQ abnormal Minor Data from FS has CRC error. Unplug and plug the board; if the alarm isn't recovered, unplug and plug FS board; if it doesn't work, then replace BPC board.


Intra-board network port error none

Cause

Data packets received from DSP is not continuous, packets may be lost

Handling process

Intra-board network port has a problem, please replace the board.


UL buffer is used up Critical Data received from DSP cannot be saved because memory is used up. Reset board


HDLC link has CRC alarm Minor RRU signaling data over optical fiber has CRC error Unplug and plug corresponding optical fiber; if the alarm isn't recovered, unplug and plug FS board; if it doesn't work, then replace FS board.


200

The received frame number is not continuous




None The frame number sent from RRU is not continuous. Unplug and plug optical fiber, or do nothing.


TDM CRC alarm Minor TDM channel between FS and BPC has CRC error If the alarm lasts for more than 1 minute, please unplug and plug the board; if the alarm isn't recovered, unplug and plug the corresponding BPC board; if it doesn't work, then replace FS board.


RRU LOS alarm Critical The corresponding RRU has detected LOS error. Check if the corresponding optical fiber is normally connected. Unplug and plug the optical fiber. If the alarm isn't recovered, check the RRU and try to solve the problem.


RRU LOF alarm Critical The corresponding RRU has detected LOF error. Check if the corresponding optical fiber is normally connected. Unplug and plug the optical fiber. If the alarm isn't recovered, check the RRU and try to solve the problem.


RRU powered-down alarm Critical The corresponding RRU is powered down.


201


Handling process

Check the status of RRU


Clock has a critical alarm Critical Clock reference source is lost. 1. Check if there is software version fault alarm. i.

Check if the fault board has corresponding software version fault alarm. Y->Yes, skip to "2) handle software ve rsion fault alarm". N->No, skip to "2 Reset board".

ii. Handle software version fault alarm According to suggestions on handling software version fault alarm, remove this alarm. Check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "2 Check the configured clock reference source is connected or not". 2. Check if the configured clock reference source is connected or not Y-> Yes, skip to "3 Reset board". N-> No, connect clock reference source. Check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "3 Reset board". 3. Reset board Reset the fault board and wait for 2 minutes. Check is the alarm is recovered. Y-> Yes,end alarm processing. N-> No, skip to "4. Replace board". 4. Replace board Replace the fault board, wait for 2 minutes, check if the alarm is recovered. Y->Yes, end alarm processing. N->No, Please contact ZTE.

202




Clock minor alarm Minor Clock reference source is unlocked. 1. Check if there is software version fault alarm. i.

Check if the fault board has corresponding software version fault alarm. Y->Yes, skip to “ii handle software version fault alarm". N->No, skip to "2 Reset board".

ii. Handle software version fault alarm According to suggestions on handling software version fault alarm, remove this alarm. Check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "2 Reset board". 2. Reset board Reset the fault board and wait for 2 minutes. Check is the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "3. Replace board". 3. Replace board Replace the fault board, wait for 2 minutes, check if the alarm is recovered. Y->Yes, end alarm processing. N->No, Please contact ZTE.


IQ delay compensation value exceeds limitation Minor 1. The fiber of the farther RRUs at Low or Mid carrier is longer for 56km than that of the nearer RRU at the same carrier in OTSR cell. 2. The fiber of the farther RRUs at High carrier is longer for 28km than that of the nearer RRU at high carrier in OTSR cell.

Handling process

1. Adjust the location of RRU; 2. Change the topology structure.


203



MAC address conflict None Another board/host on the network has the same MAC address. 1. Find the board/host which has the same MAC address. 2. Change the board/host.

conflict

MAC

address

or

disconnect

the

3. Check if this alarm is recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


IP address conflict None Another board/host on the network has the same IP address. 1. Find the board/host which has the same IP address. 2. Change the conflict IP address or disconnect the board/host. 3. Check if this alarm is recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


Ethernet light and electricity lose Major 1. Network cable fault; 2. Remote network port fault; 3. Local network port fault;

Handling process

1. Check if network cable is connected normally. Please check if the network cable has the following problems: i.


ii. Network cable is bad. Please solve the above problem if there is any. After that, please check if the alarm is recovered.

204



Y->Alarm process ends. N->Skip to "2 Check if local network port is abnormal". 2. Check if local network port is abnormal. i.

Check if local network port is abnormal. Use a good network cable to directly connect the alarm network port and another network port. Check if the alarm is recovered: Alarm is recovered, which indicates remote network port has a fault, skip to "3 Process the fault of remote network port". Alarm is not recovered, which indicates local network port has a fault, skip to "2) Process the fault of local interface board".

ii. Process the fault of local interface board. Note: Resetting or replacing the interface board will cause interruption of all services carried by the board, therefore, please choose appropriate time to reset or replace it. Reset the fault interface board. After successful booting, please check if the alarm is recovered. Alarm is recovered, alarm process ends. Alarm is not recovered, which indicates interface board has a hardware fault, skip to "iii Replace fault interface board". iii. Replace fault interface board. Replace the interface board. Wait until the board has finished booting and RUN light flashes normally (in 1Hz frequency). Query the alarm status of the corresponding board and check if the original alarm still exists. Y->Yes, please contact ZTE. N->The original alarm disappears, alarm process ends. 3. Process the fault of remote network port. Please try to remove the fault of remote device, this alarm process ends.


Lightning arrester alarm at indoor lightning protection box Minor 1. Lightning arrester has a fault, including broken by lightning stroke, poor grounding, aging failure. 2. Dry contact connection or configuration is abnormal.


205


Handling process

1. Check the alarm-related polarity configuration. 2. Make sure dry contact is normally connected, lightning arrester is well grounded. 3. If the above is OK, it means lightning arrester is broken. In this case, lightning protection box needs be replaced.


Circuit breaker alarm at indoor lightning protection box Major 1. Circuit breaker is in the state of overcurrent-protection or open-circuit 2. Dry contact connection or configuration is abnormal

Handling process

1. Check the alarm-related polarity configuration. 2. Make sure dry contact is normally connected. 3. Check the switch of circuit breaker to find out the reason for overcurrent protection or open circuit. Try to remove the fault.


Outdoor lightning protection box alarm Minor 1. Lightning arrester has a fault, including broken by lightning stroke, poor grounding, aging failure. 2. Dry contact connection or configuration is abnormal.

Handling process

1. Check the alarm-related polarity configuration. 2. Make sure dry contact is normally connected, lightning arrester is well grounded. 3. If the above is OK, it means lightning arrester is broken. In this case, lightning protection box needs be replaced.


206

Failed to download software Critical Link error or board fault 1. Check if there is software version fault alarm. i.

Check if there is associated software version fault alarm.



Y->Yes, skip to “ii. Process software version fault alarm” N->No, skip to “2 Reset the board”. ii. Process software version fault alarm. According to relevant suggestions for software version fault alarm, try to remove the alarm. Check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to “2 Reset the board”. 2. Reset the board. Reset the fault board; wait for 2 minutes; check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, skip to “3. Replace the board”. 3. Replace the board. Replace the fault board; wait for 2 minutes; check if the alarm is recovered. Y->Alarm is recovered, end alarm process. N->Alarm is not recovered, please contact ZTE.


Downlink DAC PLL unlock Major If the FuncID of RTR is 0, the chip AD9779 is unlocked. If the FuncID of RTR is 1, the chip AD9788 is unlocked. 1. Reset RRU. 2. Change RRU.


PTP link interruption Minor 1. FE link is interrupted. 2. Peer-end doesn't support IP clock.

Handling process

1. Check if there is a "FE link interruption" alarm. If yes, please follow relevant suggestion to deal with it. Wait for 1 minute after "FE link interruption" fault is solved, then check if the alarm is recovered or not.


207


Y->Yes, end alarm processing. N->No, skip to "2.Check if peer-end supports IP clock or not" 2. Check if peer-end supports IP clock or not. If not, please select other clock reference source. Then check if the alarm is recovered or not. Y->Yes, end alarm processing N->No, Please contact ZTE


RRU delay too long Minor RRU delay exceeds its limit. 1. Check if fixed delay of local cell is configured properly or not. Y-> Yes, skip to "2. Reset RRU" N-> No, skip to "3. Reconfigure fixed delay of local cell" 2. Reset RRU, and check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "4. Replace optical fiber with a shorter one" 3. Reconfigure fixed delay of local cell, then check if the alarm is recovered. Y-> Yes, end alarm processing. N-> No, skip to "4. Replace optical fiber with a shorter one" 4. Replace optical fiber with a shorter one, then check is the alarm is recovered. Y->Yes, end alarm processing. N->No, Please contact ZTE


Cell delay too long Minor Cell delay too long 1. Check if fixed delay of local cell is configured properly or not. Y-> Yes, skip to "2. Reset corresponding RRU" N-> No, skip to "3. Reconfigure fixed delay of local cell"

208



2. Reset corresponding RRU, and check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "4. replace optical fiber of corresponding RRU" 3. Reconfigure fixed delay of local cell, then check if the alarm is recovered. Y-> Yes, end alarm processing. N-> No, skip to "4. Replace optical fiber of corresponding RRU" 4. Replace optical fiber of corresponding RRU, then check isfthe alarm is recovered. Y->Yes, end alarm processing. N->No, Please contact ZTE


Write MDB and DBS failure Critical Database operation error 1. Check transmission link. Check if CC and BSC's transmission link is normal or not. Y-->Yes, skip to "2. Reset board" N-->No, repair the link, and end alarm processing. 2. Reset board Reset fault board, wait for 2 minutes, then check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "3. Replace board". 3. Replace board Replace fault board, wait for 2 minutes, then check if the alarm is recovered. Y->Yes, end alarm processing. N->No, Please contact ZTE


Lack of RRU resource


209



Critical Lack of RRU resource 1. Reset board Reset fault board, wait for 2 minutes, then check if the alarm is recovered. Y->Yes, end alarm processing. N->No, skip to "2. Replace board" 2. Replace board Replace fault board, wait for 2 minutes, then check if the alarm is recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE


Lost of frame number at optical port Minor 1. Optical module is not on-duty 2. Frame number received via optical port is lost.

Handling process

1. Check if optical module is normal or not (Is optical module installed? Is optical fiber connected?) Y->Yes, Skip to 2. N-> If there is no optical fiber or optical module, this alarm is normal. 2. Check FS board in BBU is normal or not.


Lost of frame rate and frame number Minor 1. Frame number is discontinuous. 2. There is no frame rate received within 160ms.

Handling process

1. Check if softlock is normal or not. Y->skip to 2. N-> Please refer to relevant suggestion to deal with softlock unlocking problem. 2. Check if FS board in BBU is normal or not. Y-> Yes, end alarm processing.

210



N-> No, Please contact ZTE.


PM under-voltage alarm Major

Cause

An under-voltage alarm is reported when power output is lower than 40 V; this alarm is recovered when power output returns to 42 V.

Handling process

1. Please make sure power supply is well connected when this alarm occurs. Is the alarm recovered? Y->Yes, end alarm processing. N->No, skip to "2.Replace power supply board". 2. Replace power supply board Wait until the board enters normal state, and check if the alarm recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


PM over-voltage alarm Major

Cause

An over-voltage alarm is reported when power output is higher than 58 V; this alarm is recovered when power output returns to 56 V.

Handling process

1. Please make sure power supply is well connected when this alarm occurs. Is the alarm recovered? Y->Yes, end alarm processing. N->No, skip to "2.Replace power supply board". 2. Replace power supply board Wait until the board enters normal state, and check if the alarm recovered. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


PWR monitoring unit alarm


211



Minor PW monitoring unit is broken. 1. Check and remove the fault of PWR monitoring unit; then check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, Please contact ZTE.


AC power-cut alarm Minor AC power is cut, or there is no AC input due to other problems. 1. Quick find a method to restore AC power, or adopt gasoline generator in emergency. Y-> The alarm is recovered, end alarm processing. N-> The alarm is not recovered, Please contact ZTE.


Battery in low-voltage alarm Minor The voltage of the battery is too low. 1. Quick find a method to recharge the battery, and wait for the voltage restores to normal level. Y-> The alarm is recovered, end alarm processing. N-> The alarm is not recovered, Please contact ZTE.


Rectifier alarm Minor The rectifier works abnormally. 1. Replace the rectifier, then check if the alarm is recovered or not. Y-> The alarm is recovered, end alarm processing. N-> The alarm is not recovered, Please contact ZTE.

212




ETH port mode is unmatched with peer end Minor The configured mode of network port is unmatched with peer end. 1. Check if the Ethernet has LOS alarm or not. i.

Check if the Ethernet has LOS alarm or not. Y-> Yes, skip to "ii Process the LOS fault" N-> No, skip to "2 Check the mode of network port at peer end"

ii. Process the LOS fault According to relevant suggestions for Ethernet LOS fault, try to remove the fault. Then check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, skip to "2 Check the mode of network port at peer end". 2. Check the mode of network port at peer end. Check the mode of network port at peer end; change the mode of local network port so that it is matched with peer end. Then check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, skip to "3. Reset single board" 3. Reset single board Reset single board and wait for 2 minutes; check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, skip to "4.Replace single board". 4. Replace single board Replace the fault board and wait for 2 minutes; check if the alarm is recovered or not. Y-> Yes, end alarm processing. N-> No, Please contact ZTE


213



214


A p p e n d i x

A

Abbreviations Abbreviation

Full Name

A AFS

Adaptive Full-Rate Speech

AGND

Analog Ground

AHS

Adaptive Half-Rate Speech

ANT

Antenna

B BBU

Base Band Unit

BCCH

Broadcast Control Channel

BNC

Bayonet Nut Connector

BSC

Base Station Controller

BSS

Base Station Subsystem

BTS

Base Transceiver Station

C CIB

CTU Interface Board

CM

Configuration Management

CPRI

Common Public Radio Interface

CS

Control & Switch Board

CTU

Control Translation Unit

D DCHP

Dual -carrier Channel Processor

DCMM

Dual -carrier Controller & Maintenance Module

DDT

Delay Diversity Transmission

DFCA

Dynamic Frequency and Channel Allocation

DGND

Digital Ground

DPCT

Dual Power Combining Transmission

DTX

Discontinuous Transmission


215


Abbreviation

Full Name

E EDGE

Enhanced Data Rates for GSM Evolution

EFS

Enhanced Full Rate Speech

EGSM900

Enhanced Global System for Mobile Communications

F FAQ

Frequently Asked Questions

FCLK

Frame Clock

FPGA

Field Programmable Gate Array

FS

Fiber Switch Board

G GERAN

GSM/EDGE Radio Access Network

GMSK

Gaussian Filtered Minimum Shifting Keying

GND

Ground

GPRS

General Packet Radio Service

GSM

Global System for Mobile Communications

H HDLC

High Level Data Link Controller

HEATER

Heater

HSDPA

High Speed Downlink Packet Access

HSUPA

High Speed Uplink Packet Access

HW

High Way Line

I IP

Internet Protocol

IRC

Interference Rejection Combining

L LAPD

Link Access Procedure on the D-channel

LAPDm

Link Access Procedure “Dm” （mobile “D” ） Channel

LAU

Low noise Amplifier Unit

LMT

Local Maintenance Terminal

LNA

Low Noise Amplifier

LTE

Long Term Evolution

LVDS

Low Voltage Differential Signal

M

216

MAC

Media Access Control

MM

Mobility Management


Appendix A - Abbreviations

Abbreviation

Full Name

MMI

Man-Machine Interface

MS

Mobile Station

MTBF

Mean Time Between Failures

MTTR

Mean Time To Repair

O OAM

Operation/Administration & Maintenance

P PA

Power Amplifier

PBCCH

Packet Broadcast Control Channel

PC

Personal Computer

PCM

Pulse Code Modulation

PDH

Plesiochronous Digital Hierarchy

PDM

Power Distribution Module

PE

Protective Earth

PGND

Protective Ground

PLMN

Public Land Mobile Network

PRACH

Packet Random Access Channel

PS

Packet Switch

PTCCH

Packet Timing advance Control Channel

PWR

Power

R RLC

Radio Link Control

RR

Radio Resource management

RRU

Remote Radio Unit

RST

Reset

RX

Receiver

RXD

Receiver for diversity

S SDCCH

Separate Dedicated Control Channel

SDH

Synchronous Digital Hierarchy

SDR

Software Defined Radio

SWR

Standing Wave Ratio

SYNC

Synchronous Communication

T TA

Tower Amplifier

TCH

Traffic Channel


217

ZXSDR BS8900 GU360 (V4.00) Outdoor GSM&UMTS Dual Mode Macro Node B Alarm Code Reference

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