E1-RIC Analogue_Main Stand By

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E1-Radio Interconnect (E1-RIC) Analogue Applications User Documentation

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Errata Any errors found in this handbook are promulgate d through the Park Air FTP network. A ny user can access this information by logging on to: ftp.parkairsystems.com When logged on, select the public (Pub) folder, then the Handbook Errata Sheets folder, and then select the required equipment model. [Adobe Acrobat™ must be loaded on your PC to use this facility.]

Handbook Title:

E1-Radio Interconnect (E1-RIC) Analogue Applications User Documentation

Handbook Part Number:

31-300E1RIC/Analogue

Handbook Version:

3.0

Date of Issue:

March 2009

Published By:

Park Air Systems Northfields Market Deeping Peterborough PE6 8UE England

Telephone:

From UK, 01778 345434 From outside UK, 44 1778 345434

Fax:

From UK, 01778 342877 From outside UK, 44 1778 342877

www.parkairsystems.com

E1-RIC Analogue Applications

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Foreword This user documentation describes the Park Air E1-Radio Interconnect (E1-RIC) as used in analogue systems. The documentation provides the information required by a user to install and configure an E1-RIC. The E1-RIC, and the associated Main/Standby Switching panel, are Line Replaceable Units (LRU). No spares are available. The maintenance de tailed in this documentation is limited to using the Diagnostics software to determine any unserviceability. An E1-RIC may also be used in digital end-to-end systems. Digital applications are described in a separate publication (contained on the CD supplied with an E1-RIC) titled: ‘E1-Radio Interconnect (E1-RIC) Digital Applications’ .


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Amendments, Amendments, Modifications and Software Configuration Amendments to this user documentation are listed below.

Version

Date of Publication

3.0

March 2009

Amendment Reformatted documentation documentation in toto. Change notices 4674 and 4847 included in this version.

Modifications to the E1-RIC are listed below.

Mod State

Date

Detail

Applicable Park Air Change Notice

0

This documentation is applicable to an E1-RIC loaded with the software listed below.

Software

Park Air Part Number and Version

Boot Software

65-00000484 Version 02

Fill Software

65-00000628 Version 02


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Health and Safety An E1-RIC, and the associated Main/Standby Switching panel, operate from a low voltage supply between 20 and 35 Vdc. This presents no hazard to personnel. External inputs up to 60 Vac or 60 Vdc can be connected to an E1-RIC. Such inputs should be configured by suitably qualified personnel. E1-RICs are normally fitted in equipment cabinets that may contain dangerous voltages. During installation and maintenance, personnel should be aware of any hazards in close proximity to the E1-RIC and take all necessary precautions to avoid contact with any dangerous voltage.

Warnings A warning is used to indicate possible danger to personnel. p ersonnel. Throughout Park Air handbooks, warnings are indicated by the following symbols:

WARNING

Indicates electrical danger to personnel.

WARNING

Indicates a hazardous material.

WARNING

Indicates a non-ionizing radiation hazard.

WARNING

Indicates a specified danger to personnel.

Cautions A caution is used to indicate possible danger to the equipment.

Caution

Indicates the presence of electrostatic sensitive devices (ESD)

Caution

Indicates a specified hazard to the equipment.

Disposal This product is covered by the European Directive 2002/96/EC. It must not be disposed of in domestic waste. Disposal should be made using designated collection facilities appointed by the government or the local authorities in your area.


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Approvals and Standards

EC Declaration of Conformity Equipment:

E1 Radio Interconnect Interconnect (E1-RIC)

This is to certify that the above equipment has been tested and found to comply with the essential requirements of the following Directives: Directive 1999/5/EC of the European Parliament and of the Council of March 9, 1999 on Radio equipment and Telecommunications Terminal Equipment and the mutual recognition of their conformity and with the provisions of Annex IV (Conformity Assessment procedure procedure referred to in article 10).

The equipment is designed to comply with the requirements of the following standards: EN61000-4-2 EN61000-4-4

EN61000-4-3 EN 50022B

Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits.

This equipment is manufactured to conform with the requirements of EN60950-1: 2002 and is therefore in accordance with the Council Directive 2006/95/EC 2006/95/EC

Certificate approved by

...................................... R.W Allis - T echnical Director

Certificate No. E1RIC-002 This certificate is dated: 15 January, 2009

Park Air Systems Ltd, Northfields, Market Deeping, Peterborough, PE6 8UE, England. Tel: +44 1778 345434

Fax: +44 1778 342877

Registered in in England 1951792

www.parkairsystems.com

A subsidiary of Northrop Grumman Corporation VAT No: 551 086 749


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Trademarks The following tradenames are used in this handbook. Acrobat

This is a registered trademark of Adobe Systems Inc.

Micr Micros osof oftt

This This is a reg regis iste tere red d tra trade dema mark rk of Micr Micros osof oftt Cor Corpo pora rati tion on in the the USA USA and and oth other er countries.

Wind Window ows s

This This is a reg regis iste tere red d trad tradem emar ark k of Micr Micros osof oftt Cor Corpo pora rati tion on in the the USA USA and and oth other er countries.


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List of Abbreviations The following list gives the standard abbreviations used in Park Air user documentation. A

ampere

LED

light emitting diode

ac

alternating current

LRU

line replaceable unit

AGC

automatic gain control

M

mega

ALC

automatic level control

m

metre

AM

amplitude modulation

mA

milliamp

ATC

air traffic control

MARC ARC

multi-access re remote co contr ntrol

B ER

bit error rate

Mbits/s

megabit bits per seco econd

B IT

built-in test

MHz

megahertz

bps

bits per second

mm

millimetre

C

celsius

ms

millisecond

CAS

channel as associated si signalling

MSK

minimum shift keying

CCE

control centre equipment

mW

milliwatt

CD

compact disk

NB

narrow-band

CSMA

carri rrier se sense mu multiple ac access

N/C

not connected

dB

decibel

n/c

normally closed

dc

direct current

n/o

normally open

DSB

double sideband

PA

power amplifier

D8PS D8PSK K

diff differ eren enti tial ally ly enc encod oded ed 8-p 8-pha hase se shi shift ft keying

PC

personal computer

PCB

printed circuit board

pk-pk

peak-to-peak

ppm

parts per million

P SU

power supply unit

PT T

press to transmit

RCMS CMS

rem remote ote system

E1-R E1-RIC IC

E1-r E1-rad adio io inte interc rcon onne nect ct

E SD

electrostatic se sensitive de device

E-BIT

external bit signal

E PM

electronic pr protection me measure

Fig

figure

FM

frequency modulation

FP

frequency preset

RF

radio frequency

g

gramme

Rx

receive

Gd

guard

RF PA

rad radio freq freque uenc ncy y pow power er ampl amplif ifiier

Hz

hertz

RSSI

radio signal strength indicati ation

IF

intermediate frequency

TDMA

time di division mul multtiple ac access

k

kilo

T/ R

transmit/receive

kbits/s

kilobits per second

TS

time slot

kg

kilogramme

Tx

transmit

LCD

liquid crystal display

UHF

ultra high frequency


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cont contro roll

and and

moni monito tori ring ng

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V

volt

VA

volt-ampere

VCCS VCCS

voic voice e cont contro roll and and comm commun unic icat atio ion n switch

VF P

virtual front panel

VHF

very high frequency

VOGA VOGAD D

voic voicee-op oper erat ated ed gain gain adjusting device

W

watt

WB

wideband

WP

waveform profile


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Contents Foreword Amendments, Modifications and Software Configuration Health and Safety Approvals and Standards Trademarks List of Abbreviations

Page iii iv v vi vii viii

Introduction Purpose Product Identification E1-RIC Main/Standby Switching Panel Independent Radio Operation Main and Standby Radio Configurations Cross-Site Lines

1-2 1-3 1-3 1-3 1-3 1-5 1-5

Specification Introduction E1-RIC Radio Compatibility Channels Supported E1 Characteristics RS232 Data Undedicated Inputs and Outputs Dimensions and Weight Mounting Options Power Requirements Power Source Environmental Main/Standby Switching Panel Channels Supported Daisy-Chaining Relays Dimensions and Weight Power Requirements

2-2 2-2 2-2 2-2 2-2 2-2 2-2 2-2 2-2 2-3 2-3 2-3 2-4 2-4 2-4 2-4 2-4 2-4

Controls and Indicators Introduction E1-RIC Supply Switch Ready Indicator Network Indicator Alarm Indicator Address ID Switches Radio Connectors E1 System Interconnections Diagnostics Connector Config Switch Main/Standby Switching Panel Line Port Indicators Main/Standby Push-Buttons Radio Port Indicators

3-2 3-2 3-2 3-2 3-2 3-2 3-2 3-2 3-2 3-2 3-3 3-3 3-3 3-3 3-3


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Contents (continued) Installation Procedures Installing an E1-RIC for Analogue Applications Fitting the E1-RIC into an Equipment Cabinet Connecting Radios to the E1-RIC Connecting a T6 Series Radio Connecting an M7 Series Radio Daisy-Chaining E1-RIC Equipment Config Switch Facilities Connector External dc Input Supply External dc Output Supply Undedicated Inputs and Outputs MARC RS232 RCMS Data Auxiliary Connector Setting the E1-RIC Address Installing the Main/Standby Switching Panel Fitting the Main/Standby Switching Panel into an Equipment Cabinet Connecting the Main/Standby Switching Panel to the E1-RIC Connecting Radios to the Main/Standby Switching Panel Connecting the Additional Outputs Connector Connecting a Modem to the Main/Standby Switching Panel Connecting Grounding Contacts dc Outputs Connecting the Line Ports Front Panel Connector Switching Control Connector

4-2 4-7 4-8 4-9 4-9 4-10 4-11 4-14 4-14 4-15 4-15 4-15 4-15 4-18 4-20 4-21 4-22 4-23 4-24 4-28 4-28 4-28 4-28 4-30 4-33 4-34

Maintenance Introduction Maintenance Policy E1-RIC Fault Indications Ready Indicator Network Indicator Alarm Indicator E1 System Interconnections Radio Port Indicators Diagnostics Main/Standby Switching Panel Indications Radio Port Indicators Line Port Indicators Main/Standby Push-Buttons E1-RIC BIT Parameters Diagnostics Software Connection Lead Running the Diagnostics Software Using the Diagnostics Facility Viewing E1-RIC BIT Status Setting the Undedicated Input Reference Voltage Setting the Undedicated Input Polarities

5-2 5-2 5-2 5-2 5-2 5-2 5-2 5-2 5-2 5-3 5-3 5-3 5-3 5-4 5-5 5-5 5-6 5-9 5-9 5-10 5-11

Appendix A 2U Version of the Main/Standby Switching Panel Dimensions and Weight

6-2 6-2


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Introduction

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Purpose The E1-Radio Interconnect (E1-RIC), shown in Fi Fig g 11-1 1, is used at a radio site in analogue T6 series and M7 series radio systems to provide the following functions: 





To multiplex/demultiplex Remote Control and Monitoring System (RCMS) data. RCMS data is used by the Park Air Multi-Access Remote Control (MARC) system to provide status information at the Control Centre Equipment (CCE). See separate publication titled ‘MARC User Documentation’ Allows connection of undedicated user inputs and outputs. These signals can be, for example, building alarms or control signals. User input and output signals form part of the RCMS data To automatically supervise switching between radios configured as main and standby pairs. To achieve this, a Main/Standby Switching panel (see Fi Fig g 11-2 2) is used in combination with an E1-RIC.

Fig 1-1 E1-Radio Interconnect (E1-RIC)

Fig 1-2 Main/Standby Main/Standby Switching Switching Panel


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Product Identification E1-RIC Product name:

E1-RIC

Part number:

BE1RIC.

Iden Identi tifi fica cati tion on labe labels ls::

An iden identi tifi fic catio ation n lab label el,, whi which ch deta detail ils s the the hard hardw ware are con confi figu gura rati tion on,, is is fitted to the rear panel. A software configuration label is fitted on the top cover. Both are illustrated in Fig Fig 1-3 1-3.

PAE Mode Model: l: E1 Radi Radio o Inter Interco conn nnec ectt Part Part No: No: BE1RI BE1RIC C S / No: 1P1234 DC Supply: 20-35V 0.6A 12W max Mod Record: 1 2 3 4 5 6 7

...

Software Configuration

See installation instructions before connecting supply. Park Air Systems Systems Ltd England

Part Order No.

BE1RIC

Software

Mode

Part No.

Fill

E1

65-00000628

Fitted on rear panel

Fitted on top cover

Fig 1-3 E1-RIC Identification Labels Main/Standby Switching Panel Two Main/Standby Switching panel models are available: Part number number BE1RIC/MSTX. BE1RIC/MSTX. Supports Supports eight T6 series series transmitter transmitters s or eight T6 series series receivers, receivers, or any combination of both. Part number number BE1RIC/MSTR. BE1RIC/MSTR. Supports Supports eight T6 series series transceivers, transceivers, or eight eight M7 series radios. radios.

Independent Radio Operation When radios operate independently, that is not configured as main and standby pairs, E1-RIC monitors the BIT status of the radios and routes MA RC RS232 data between the CCE and the radios as shown in Fig Fi g 11-4 4. Each radio is connected from its T1/E1 connector to one of the eight E1-RIC radio connectors. This connection carries the duplex MARC data and the dc output supply from the radio to power the E1-RIC. 4-wire E and M signals connect from each radio’s MARC Audio connector and are routed to the VCCS. The MARC data connects to the E1-RIC and is communicated to and from the MARC CCE via a modem link. Only one modem is required per bank of daisy-chained E1-RICs.


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Control Site

Analogue VCCS

RS232 Modem

MARC Control Centre Equipment (CCE)

Radio Signals Tx = Audio and PTT Rx = Audio and Squelch Indication

RCMS (MARC) Data

Modem Undedicated Inputs and Outputs as required RS232 T6T Transmitter E1 Data

Radio Connector

E1 Data

Radio Connector

E1 Data

Radio Connector

E1 Data

Radio Connector

Facilities Auxiliary Connector Connector

T6T Transmitter

T6R Receiver

T6R Receiver

E1-RIC

Radio Site

Fig 1-4 Independent Independent Radio Operation Operation

The E1-RIC supports up to eight radios. For simplicity, only four radios are shown inFi in Fig g 11-4 4.


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Introduction

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Main and Standby Radio Configurations When the radios are configured as main and standby pairs, a Main/Standby Switching Panel should be used with each E1-RIC. This panel is fitted with th e required change-over relays and an optional modem. Each E1-RIC and main/standby switching panel combination accommodates eight radios; up to four E1-RIC’s may be daisy-chained together to form a bank. The radios connected to any E1-RIC must be configured as follows (no other combinations are a llowed).

Radio 1 - Main Radio 2 - Standby Standby

Main/Standby pair Channel 1







Main/standby switching is initiated: 

When the E1-RIC detects a fault condition on the active radio of any main/standby pair



When manually initiated from the MARC CCE



When programmed to switch using MARC’s Automatic Events facility



When any change-over switch (SW1 to SW4) on the switching panel is pressed.

Fig 1Fig 1-5 5 shows a main/standby configuration. In this configuration the E1-RIC routes, via the switching panel, RS232 MARC data between the MARC CCE and each radio. E1-RIC also generates the switching signals for the main/standby switching panel. Each radio is connected from its T1/E1 connector to one of the eight E1-RIC radio connectors. This connection carries the duplex MARC data and the dc output supply from the radio to power the E1-RIC. The E1-RIC and main/standby switching panel are interconnected via the Auxiliary connectors. This connection carries the main/standby select signals and a dc supply to power the switching panel. 4-wire E and M signals connect from each radio’s MARC Audio connector and are routed to the VCCS via latching relays fitted in the switching panel. The MARC data connects to the switching panel’s Additional Outputs connector and is communicated to and from the MARC CCE via a modem link. Only one modem is required per bank of daisy-chained E1-RICs. Cross-Site Lines When activated, the latching relays fitted to the main/ standby switching panel switch the main lines to the standby radio and the standby lines to the main radio, or vice versa. To reduce the number of cross-site lines, a single set may be used for each main/standby pair of radios. This is illustrated in Fi Fig g 11-6 6.


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Introduction

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Control Site

VCCS

RS232 Modem


Radio Signals Tx = Audio and PTT Rx = A udio and Squelch Indication

MARC Data

Modem

Line Ports

RS232

Additional Outputs CN8 Auxiliary Connector

Main/Standby Switching Panel

Undedicated Inputs and Outputs as required

Radio Ports

T6T Transmitter (Main) MARC Audio Connector

T1/E1 Connector

Radio Connector

T1/E1 Connector

Radio Connector

T1/E1 Connector

Radio Connector

T1/E1 Connector

Radio Connector


T6T Transmitter (Standby) MARC Audio Connector

T6R Receiver (Main) MARC Audio Connector

T6R Receiver (Standby) MARC Audio Connector

E1-RIC

Radio Site

Fig 1-5 E1-RIC – Main/Standby Main/Standby Configuration Configuration (A) (A)



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Introduction

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Control Site

VCCS

RS232 Modem


Radio Signals Tx = Audio and PTT Rx = A udio and Squelch Indication

MARC Data

Modem

Line Ports

RS232



Undedicated Inputs and Outputs as required

Radio Ports

T6T Transmitter (Main) MARC Audio Connector

T1/E1 Connector

Facilities Auxiliary Radio Connector Connector Connector

T1/E1 Connector

Radio Connector

T1/E1 Connector

Radio Connector

T1/E1 Connector

Radio Connector

T6T Transmitter (Standby) MARC Audio Connector

T6R Receiver (Main) MARC Audio Connector

T6R Receiver (Standby) MARC Audio Connector

E1-RIC

Radio Site

Fig 1-6 E1-RIC – Main/Standby Main/Standby Configuration Configuration (B) (B)



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Introduction

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Specification

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Introduction This topic gives the specification applicable to the E1-RIC when used in analogue applications and the specification for the optional main/standby switching panel.

E1-RIC Radio Compatibility E1-RIC is compatible with the Park Air T6 and M7 series radios. T6 series radios must have the T1/E1 port configured for E1. Channels Supported Each E1-RIC supports up to eight radios. E1 Characteristics E1 connections between the radios and the E1-RIC are 2.048 Mbits/s using a balanced 120 ohm electrical interface in accordance with ITU-T G.703 [9]. Data is transferred using High Density Bipolar 3 (HDB3) line coding. RS232 Data MARC data in RS232 format can connect to the Facilities connector or to the Auxiliary connector. Undedicated Inputs and Outputs Undedicated in inputs puts Four un undedicated inp input uts s ar are av available tha thatt ca can be be co confi nfigured by by th the user to monitor, for example, building alarms. All four inputs are referenced referenced to +14 V, 0 V or -14 V. The polarity polarity of each each input can can be set as normal, or inverted. The outputs are monitored through an RCMS system. For further information see Installation. Unde Undedi dica cate ted d outp output uts s

Dimensions and Weight Height

Four Four unded ndedic icat ated ed outpu utputs ts are are ava avail ilab able le that that can can be be con contr trol olle led d thr thro ough ugh an RCMS system. The outputs can be configured by the user to control, for example, lighting circuits. The polarity of each output can be set as normal, or inverted. For further information see Installation.

An E1-RIC occupies 1U (44 mm) of cabinet space.

Width

431 mm (16.96 inch).

Depth

200 mm (7.9 inch) excluding rear panel connectors and switches.

Weight

1.6 kg.

Mounting Options A ‘U’ bracket, fitted to an equipment cabinets front uprights is used to locate an E1-RIC towards the cabinet rear. Alternatively, a front panel assembly is used when the E1-RIC is fitted at the front of an equipment cabinet.


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Specification

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Power Requirements Supply voltage Typical current loading

Between 20 and 35 Vdc, negative ground, reverse polarity protected. 300 mA @ 24 Vdc. 600 600 mA @ 20 20 Vdc. Vdc.

Over Ov erlo load ad prot protec ecti tion on

An inte intern rnal al self self-r -res eset etti ting ng fuse fuse prov provid ides es prot protec ecti tion on from from curr curren entt overloads.

Power Source The connection between each radio and the E1-RIC carries the radio’s output supply; this is 28 Vdc (nominal) at a maximum of 500 mA. Providing at least two operational radios are connected to the E1-RIC, sufficient power is available. As an alternative to using the r adios’ output supply, a suitable external power source can be connected to the E1-RIC’s Facilities connector. Connection details are given in Installation. Environmental Warm-up time

E1-RIC is fully operational within 20 seconds after switch on.

Cooling

E1-RIC is convection cooled.

Tempe emperrature ure ra range nge

E1-R E1-RIIC ope operates to spec pecification at temper mpera atures betw betwe een -20 oC and +55oC. Additionally, the equipment can be stored at temperatures between -30oC and +70oC.

Humidity

E1-RIC operates to specification at a relative humidity between 5% and 90% non-condensing.

Altitude

Sho Shock and and vibr vibrat atio ion n


E1-RIC operates to specification up to 15,000 feet (4,572 metres). The equipment can be stored at altitudes up to 50,000 feet (15,240 metres) without damage. E1-R E1-RIC IC comp compli lies es with with shoc shock k and and vibr vibrat atio ion n prot protec ecti tion on in acco accord rdan ance ce with MIL-STD-810F [11] method 516.5, procedure VI.

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Specification

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Main/Standby Switching Panel Channels Supported A main/standby switching panel supports four main/standby channels as follows: Part number number BE1RIC/MSTX. BE1RIC/MSTX.

Supports Supports eight eight T6 series transmitters transmitters or eight eight T6 T6 series series receive receivers, rs, or or any combination of both.

Part number number BE1RIC/MSTR. BE1RIC/MSTR.

Supports Supports eight eight T6 series transceivers, transceivers, or eight eight M7 M7 series series radios. radios.

There is an alternative version of the main/standby switching panel that occupies 2U of cabinet space. This version, which can be fitted with an optional modem and Krone connectors, is electrically identical to the 1U version. See Appendix A.

Daisy-Chaining Up to four E1-RICs with main/standby switching panels may be daisy-chained to form a bank. Relays Main/standby switching is achieved using latching change-over relays. The relays activate on a grounding control signal for at least 15 ms. Latching relays ensure that signal routing is maintained should the switching panel lose power and when power is reapplied. Dimensions and Weight Height

The panel occupies 1U of cabinet space (44 mm). It is normally secured to the equipment cabinet uprights at the rear of the cabinet directly behind the E1-RIC.

Width

483 mm (19 inch).

Depth

121 mm m m (4.75 inch) excluding rear panel connectors.

Weight

0.5 kg.

Power Requirements The main/standby switching panel requires an input supply between 20 and 35 Vdc. This is normally supplied by the associated E1-RIC. Alternatively, an external supply can be connected to the panel’s Auxiliary connector. The panel draws 100 mA in its quiescent state; a further 60 mA is required to switch any relay.


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Specification

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Controls and Indicators

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Introduction This topic describes the controls and indicators fitted to an E1-RIC. The controls are used during installation to configure the E1-RIC within a system and the indicators used for maintenance purposes.

E1-RIC The E1-RIC has a number of user controls and indicators as shown in Fi Fig g 33-1 1. These are described below. The connectors that do not have associated indicators are fully described in the Installation topic.

Fig 3-1 E1-RIC Rear Panel Supply Switch A push switch that turns power on and off. Turning off power to the E1-RIC also turns off power to the main/standby switching panel (if fitted). Ready Indicator A green gr een indicator that is lit when the E1-RIC E 1-RIC is ready for fo r use; that is, it is switched on and no internal faults are detected. Network Indicator A red indicator that lights when alarm conditions are present on the network. See Maintenance for further information. Alarm Indicator A red indicator that flashes when an alert condition is sensed and is lit for an alarm condition. Alert Ale rt and alarm conditions are described in Maintenance. Address ID Switches Four switches that are used to set a unique address for each E1-RIC in a radio system. This address is used by the Multi-Access Remote Control (MARC) software to identify each E1-RIC used in the system. Radio Connectors Eight RJ48 connectors used to interconnect the radios to E1-RIC. E ach connector has an integral amber indicator that lights when a serviceable connection is present. E1 System Interconnections Eight RJ48 connectors used to interconnect the radios to E1-RIC. E ach connector has an integral amber indicator that lights when a serviceable connection is present. In an analogue system, these connectors are used to daisy-chain E1-RICs. Diagnostics Connector A 2.5 mm jack socket that is used to connect a PC to the E1-RIC. This enables the diagnostics software to be run. See Maintenance for further details.


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Config Switch The Configuration switch has ten positions and is used in analogue applications as follows: 



If a Main/Standby Switching panel is connected to the E1-RIC, set the Config switch to 9 If no Main/Standby Switching panel is connected and the E1-RIC is being used solely to supervise MARC data, set the Config switch to 0.

Main/Standby Switching Panel The main/standby switching panel (see Fi Fig g 33-2 2 and Fi Fig g 33-3 3) has indicators on each line port, radio port, and manual main/standby change-over push-buttons. These are described below. The connectors that do not have associated indicators are fully described in the Installation topic. Line Port Indicators (fitted to each of the 8 Line ports)

Fig 3-2 Main/Standby Switching Panel – Front View Line Port Indicators A green and a yellow indicator is fitted to each of the eight line ports; see Fig Fig 3-3 3-3. The green indicator is lit when the line is connected to the main radio, and the yellow indicator is lit when the line is connected to the standby radio. Main/Standby Push-Buttons Four push-buttons designated Select 1 to Select 4 (see Fi Fig g 33-2 2) allow the main/standby radio pairs to be manually changed-over confirming serviceable relay operation. Pressing the push-button generates a grounding pulse which changes over the appropriate latching relays. When the relays change over, the indicators on the appropriate Line port changes over from green to yellow and vice versa. Radio Port Indicators A green and a yellow indicator is fitted to each of the eight Radio ports ( Fi Fig g 33-3 3). These indicators are non-functional.

Radio Ports

Radio Ports Front Panel Connector

Auxiliary Connector

Fig 3-3 Main/Standby Switching Panel – Rear View


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Installation

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Procedures This topic gives the procedures necessary to install an E1-RIC ready for operational use. If the E1-RIC has been supplied as part of a Park Air system, it will normally be fully wired and fitted within an equipment cabinet. If this is the case, the procedures given in this topic do not need to be carried out. The installation procedures required depend on whether the radios operate independently, or are configured as main/standby pairs. If main/standby operation is required, a ma in/standby switching panel is used in conjunction with the E1-RIC; this is detailed from pag page e 44-21 21 onwards. onwards. Fig 4Fig 4-1 1 and Fi Fig g 44-2 2 show typical configurations for independent radio operation using T6 series and M7 series radios. radios. Fi Fig g 44-3 3 and Fi Fig g 44-4 4 show typical main/standby configurations. The procedures necessary to install the E1-RIC and if applicable, the main/standby switching panel, are listed in Tabl Table e 4-1. 4-1. Procedures should be completed in the order listed in Tabl Table e 4-1 4-1. Table 4-1 Installation Procedures Procedure

Required for Independent Radio Operation

Required for Radios Configured as Main and Standby Pairs

Fitting the E1-RIC into an equipment cabinet





Connecting radios to the E1-RIC





Daisy-chaining two, or more, E1-RICs





Setting the E1-RIC CONFIG switch position

Position 0

Position 9

Connecting an external dc power source to the Facilities connector

Optional

Optional

Configuring undedicated inputs/outputs

Optional

Optional

If required

If required

Setting the E1-RIC address





Ensure the correct main/standby switching panel is available: BE1RIC/MSTX for T6 series transmitters and T6 series receivers; BE1RIC/MSTR BE1RIC/MSTR for T6 series transceivers and all M7 series radios





Fitting the main/standby switching panel into a cabinet





Connecting the main/standby switching panel to E1-RIC





Connecting radios to the main/standby switching panel





Connecting a modem to the main/standby switching panel Additional Outputs connector connector (required only when a MARC system is used)





Connecting the line ports





Connecting a MARC modem to the E1-RIC


Page 4-2

Installation

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In addition to the standard procedures listed in Table Table 4-1, 4-1, two connectors: the Front Panel connector and the Switching Control connector are available for a user’s non-standard configuration. The pin-outs are given on pag page e 44-33 33 and and pa page ge 44-34 34..

RCMS (MARC) data to/from the control site

Audio and PTT/Squelch to/from to/from VCCS

Undedicated Inputs and Outputs (as required) Modem

T6 Series Radios T1/E1 Connector

Radio Connector 1

Connector

T1/E1 Connector

Radio Connector 2

MARC Audio Connector

T1/E1 Connector

Radio Connector 3

MARC Audio

T1/E1 Connector

Radio Connector 4

T1/E1 Connector

Radio Connector 5

T1/E1 Connector

Radio Connector 6

T1/E1 Connector

Radio Connector 7

T1/E1 Connector

Radio Connector 8

MARC Audio Connector MARC Audio

Connector

MARC Audio Connector MARC Audio Connector




E1-RIC This example shows an E1-RIC being used to supervise RCMS (MARC) data. The data is communicated to the MARC PC, which is normally installed at the control site, via a modem at the radio site and an associated modem at the control site.

Fig 4-1 Using E1-RIC with Independent T6 Series Radio Operation


Page 4-3

Installation

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RCMS (MARC) data to/from the control site

Audio and PTT/Squelch to/from to/from VCCS

Undedicated Inputs and Outputs (as required) Modem

M7 Series Radios 1

RADIOA OA

2

_ FP1

ABC

4

5

GHI WP1

Radio Config

6

x

8

9

0

_

TUVWXYZ

.

T

3

DEF

J K L M N O

7

PQRS

R

x

I

TN

NB (A) Connector 1 _

RADIO A

FP1

2

ABC

4

5

GHI WP1

Radio Config

8

0

x

R

1

RADIO A

ABC

4

5

GHI WP1

Radio Config

9

_

I

TN

x

R

6 9

_

I

TN

NB (A) Connector 1 _

FP1

2

ABC

4

5

GHI WP1

Radio Config

8 0

x

R

x

3 6 9

_

I

TN

NB (A) Connector 1

RADIO A

2

_ FP1

ABC

4

5

GHI WP1

Radio Config

x

3

DEF

6

8

9

0

_

TUVWXYZ

.

T

R

x

I

TN

NB (A) Connector 1

RADIO A

2

_ FP1

ABC

4

5

GHI WP1

Radio Config

x

R

6 9

_

I

TN

E1 Connector

NB (A) Connector 1

RADIO A

2

_ FP1

ABC

4

5

GHI WP1

Radio Config

x

3 6

8

9

0

_

TUVWXYZ

.

T

R

x

I

TN

E1 Connector

NB (A) Connector 1

RADIO A

2

_ FP1

ABC

4

5

GHI WP1

Radio Config

x

3 6

8

9

0

_

TUVWXYZ

.

T

R

x

Radio Connector 7

DEF

J K L M N O

7

PQRS

Radio Connector 6

DEF

J K L M N O

7

PQRS

Radio Connector 5

3

0

x

Radio Connector 4

DEF

8

TUVWXYZ

.

NB (A) Connector

E1 Connector

J K L M N O

7

PQRS

T

E1 Connector

J K L M N O

7

PQRS

Radio Connector 3

DEF

TUVWXYZ

.

T

E1 Connector

J K L M N O

7 PQRS

Radio Connector 2

3

0

x


DEF

8

TUVWXYZ

.

RADIO A

E1 Connector

J K L M N O

7

PQRS

T

x

2

_ FP1

6

TUVWXYZ

.

NB (A) Connector

3

DEF

J K L M N O

7

PQRS

T

E1 Connector

Radio Connector 1

I

TN

E1 Connector

Radio Connector 8

E1-RIC

NB (A) = Narrow-band (A) Connector

This example shows an E1-RIC being used to supervise RCMS (MARC) data. The data is communicated to the MARC PC, which is normally installed at the control site, via a modem at the radio site and an associated modem at the control site.

Fig 4-2 Using E1-RIC with Independent M7 Series Radio Operation


Page 4-4

Installation

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MARC data to/from CCE Audio and PTT/Squelch to/from VCCS

Modem

Line Ports

4B

4A

3B

3A

2B

2A

1B

1A


Main/Standby Switching Panel Radio 4B Ports

4A

3B

3A

2B

2A

1B

Undedicated Inputs and Outputs (as required)

1A T6 Radio (Main) MARC Audio Connector

T1/E1 Connector

Facilities Auxiliary Radio Connector Connector 1

T1/E1 Connector

Radio Connector 2

T1/E1 Connector

Radio Connector 3

T1/E1 Connector

Radio Connector 4

T6 Radio (Standby) MARC Audio Connector

T6 Radio (Main) MARC Audio Connector



T1/E1 Connector

Radio Connector 5

T1/E1 Connector

Radio Connector 6

T1/E1 Connector

Radio Connector 7

T1/E1 Connector

Radio Connector 8




E1-RIC

This example shows a Main/Standby Switching panel controlled by an E1-RIC. The example uses main and standby cross-site lines between the radio site and VCCS for each frequency channel. See Fig 44-4 4 for an alternative configuration that uses only one set of cross-site lines per frequency channel. If M7 series radios are used, the radio connections are as shown in Fi Fig g 44-2 2.

Fig 4-3 Using E1-RIC with a Main/Standby Switching Panel (Main and Standby Cross-Site Lines)


Page 4-5

Installation

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MARC data to/from CCE

Audio and PTT/Squelch to/from VCCS

Modem

Line Ports

4A

3A

2A

1A


Main/Standby Switching Panel Radio 4B Ports

4A

3B

3A

2B

2A

1B

Undedicated Inputs and Outputs (as required)

1A T6 Radio (Main) MARC Audio Connector

T1/E1 Connector

Facilities Auxiliary Radio Connector Connector 1

T1/E1 Connector

Radio Connector 2

T1/E1 Connector

Radio Connector 3

T1/E1 Connector

Radio Connector 4

T1/E1 Connector

Radio Connector 5

T1/E1 Connector

Radio Connector 6

T1/E1 Connector

Radio Connector 7

T1/E1 Connector

Radio Connector 8








E1-RIC

This example shows a Main/Standby Switching panel controlled by an E1-RIC. The example uses one set of lines between the radio site and VCCS per frequency channel. See Fi Fig g 44-4 4 for an alternative configuration that uses only one set of cross-site lines per frequency channel. If M7 series radios are used, the radio connections are as shown in Fig 44-2 2.

Fig 4-4 Using E1-RIC with a Main/Standby Switching Panel (Single Cross-Site Lines)


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Installing an E1-RIC for Analogue Applications Fig 4Fig 4-5 5 shows all connectors and outlines their purpose. Each connector is fully detailed in the appropriate procedure.

Used to daisy-chain E1-RICs

Not used in analogue applications A1

A2

B1

B2

E1 System Interconnections Interconnections (RJ48 Sockets) T6 or M7 Series Radios Radio 1

Radio 2

E1-RIC

Radio 3

Radio 4 RJ48 Sockets Radio 5

Radio 6

Radio 7

Radio 8

Facilities (25-way D-type plug)

Auxiliary (15-way D-type plug)

Diagnostics Jack Socket Diagnostics PC

Radio main/standby indications RS232 RCMS data Auxiliary 20 to 35 35 Vdc supply in/out in/out

Undedicated inputs and outputs RS232 RCMS data Auxiliary 20 to 35 Vdc supply in/out

Fig 4-5 E1-RIC Connections


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Fitting the E1-RIC into an Equipment Cabinet The E1-RIC fits at the rear of a cabinet and is secured by a U-bracket that attaches to the equipment cabinet uprights. No further supports are required. Fig Fig 4-6 4-6 shows an E1-RIC fitted in a cabinet below a T6 radio. When the E1-RIC is fitted make a connection from the rear panel earth stud marked earth.

to the system

Fig 4-6 E1-RIC Fitted in a Cabinet Below a T6 Radio


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Connecting Radios to the E1-RIC An E1-RIC has eight RJ48 sockets marked Radio Radio 1 to 8. These sockets are used to connect Park Air T6 or M7 series transmitters, receivers or transceivers to the E1-RIC. The connections between each radio and E1-RIC carries an E1 link, a 28 Vdc (nominal) supply for E1-RIC and a signal that turns the radio on and off. Connection detail is shown in Fi Fig g 44-7 7 for T6 radios and Fi Fig g 44-9 9 for M7 radios. A standard Cat 5 shielded non-crossover cable is used. Connecting a T6 Series Radio E1-RIC

T6 Radio see Tab Table le 4-2 T1/E1 Port

Radio Sockets

Fig 4-7 E1-RIC to T6 Radio Interconnections

Table 4-2 E1-RIC to T6 Radio Interconnections E1-RIC RJ48 Radio Socket Pin Number

Signal

T6 Radio Characteristic

RJ48 T1/E1 Socket Pin Number

Signal

Characteristic

1 2

TRing TTip

E1 balanced output

1 2

RRing RTip

E1 balanced input

3

Not used

–

3

Not used

–

4 5

RRing RTip

E1 balanced input

4 5

TRing TTip

E1 balanced output

6

Radio standby

Open collector grounding output (200 (200 mA maximum)

6

Remote supply on/off

Switches radio on and off. off. 0 V = off, off, 5 V = on. on. Rear panel Power switch must be set to on. The E1-RIC must be powered from an external source if using this facility

See Note Note (2) on page pa ge 4-1 4-10 0

7

Ground

0V

7

Ground

0V

8

Supply input

20 to 35 Vdc

8

dc output

20 to 35 Vdc fused at 500 mA

RJ48 Plug

Numbering is shown looking from the top of the plug. The top is viewed when the lever is on the bottom.

Pin 1

Fig 4-8 RJ48 Connector Pin-Out


Page 4-9

Installation

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Connecting an M7 Series Radio M7 Radio

E1-RIC

1

RADIOA

_

FP1

4 GHI

see Tab Table le 4-3

WP1

Radio Config

7 PQRS

.

Tx

2 ABC

5 J L K

8 T U V

0

Rx

3 DEF

6 M N O

9 W X ZY

_

INT

E1 Connector

Radio Sockets

Fig 4-9 E1-RIC to M7 Radio Interconnections

Table 4-3 E1-RIC to M7 Radio Interconnections E1-RIC RJ48 Radio Socket Pin Number

Signal

M7 Radio Characteristic

RJ48 E1 Socket Pin Number

Signal

Characteristic

1 2

TRing TTip

E1 balanced output

1 2

RRing RTip

E1 balanced input

3

Not used

–

3

Not used

–

4 5

RRing RTip

E1 balanced input

4 5

TRing TTip

E1 balanced output

6

Radio standby

Open collector grounding output (200 (200 mA maximum)

6

Standby

0 V input to switch the radio to standby mode. An open open circuit circuit switches the radio to Normal operation. The radio’s front panel Standby switch must be set to On for this facility to operate.

See Note Note (2) (2)

7

Ground

0V

7

Ground

0V

8

Supply input

20 to 35 Vdc

8

dc output

20 to 35 Vdc fused at 500 500 mA

Note (1): An RJ Connector is shown in Fi Fig g 44-8 8. Note (2): The Radio Standby facility is initiated through MARC or any other compatible RCMS system. When a Radio Standby instruction is sent, all radios connected to the appropriate E1-RIC are switched to standby.


Page 4-10

Installation

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Daisy-Chaining E1-RIC Equipment Four E1 System Interconnection RJ48 sockets are fitted to the rear panel. The connectors are marked A1, A2, B1 and B2 as shown in Fi Fig g 44-10 10.. A1 and A2 connectors are used to daisy-chain E1-RIC equipment together; B1 and B2 are not used in analogue applications. Fi Fig g 44-12 12 shows shows the daisy-chaining connections; Ta Tabl ble e 44-4 4 and Tab Table le 44-5 5 detail the connector pin-outs. Standard Cat 5 non-crossover cables are used for daisy-chaining interconnections between E1-RICs.

Fig 4-10 E1 System Interconnection RJ48 Sockets

Numbering is shown looking from the top of the plug. The top is viewed when the lever is on the bottom. RJ48 Plug

Pin 1

Fig 4-11 RJ48 Connector Pin-Out


Page 4-11

Installation

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Table 4-4 A1 and B1 RJ48 Pin-Out A1 and B1 Pin Number 1

Signal

Characteristic

RRing E1 balanced input

2

RTip

3

Not used

4

TRing

–

E1 balanced output 5

TTip

6

Not used

–

7

Not used

–

8

Not used

–

Table 4-5 A2 and B2 RJ48 Pin-Out A2 and B2 Pin Number

Signal

Characteristic

1

TRing

2

TTip

3

Not used

4

RRing

5

RTip

6

Not used

–

7

Not used

–

8

Not used

–

E1 balanced output

–

E1 balanced input


Page 4-12

Installation

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MARC Data

Modem

Up to eight radios

E1-RIC (1) A2

A1

E1-RIC (2)

Up to eight radios

A2

A1

Up to eight radios

E1-RIC (3)





This example shows three E1-RIC equipment daisy-chained together. Up to four E1-RICs can be daisy-chained. Interconnections are made using the A1 and A2 RJ48 connectors.

Fig 4-12 Daisy-Chaining


Page 4-13

Installation

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Config Switch The E1-RIC’s Configuration (Config) switch (see Fi Fig g 44-13 13)) must be set as follows: 



If a Main/Standby Switching panel is connected to the E1-RIC, set the Config switch to 9 If no Main/Standby Switching panel is connected and the E1-RIC is being used solely to supervise MARC data, set the Config switch to 0.

Fig 4-13 Configuration Switch

Facilities Connector A number of facilities can be connected to an E1-RIC thr ough the 25-way D-type Facilities plug. These are: 

An external dc input supply



An external dc output supply



Four undedicated user inputs



Four undedicated user outputs



MARC RS232 RCMS data.

The Facilities connector pin-out is listed in Tabl Table e 4-6; 4-6; the pin arrangement is shown in Fig Fig 4-14 4-14.. Decide which, if any, of the facilities is required for your system and make the appropriate connections. Do not connect the RCMS data at this stage if using a main/standby switching panel.

Pin 1

Pin 13

Pin 14

Pin 25

Fig 4-14 Facilities Plug Pin Arrangement


Page 4-14

Installation

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External dc Input Supply The connection between each radio and the E1-RIC carries the radio’s output supply; this is 28 Vdc (nominal) at a maximum of 500 mA. The E1-RIC presents a maximum load of 600 mA. Therefore, providing at least two operational radios are connected to the E1-RIC, sufficient power is available. If it is unlikely that two operational radios will always be available to supply the E 1-RIC, an external power source should be connected. This is connected to the Facilities connector pins 1 and 2, or pins 14 and 15 (see Ta Tabl ble e 44-6 6). External dc Output Supply

Caution

dc Output Supply

When using the dc output supply facility, users must ensure the E1-RIC is being supplied with sufficient input power. A dc output can be taken tak en from f rom the E1-RIC to supply low power auxiliary equipment. e quipment. Connections C onnections are made from the Facilities connector pins 3 and 2, or pins 16 and 15 (see Ta Tabl ble e 44-6 6). The dc output voltage is the same as the input supply voltage: between 20 and 35 Vdc. Users must ensure there is sufficient input power available to supply the E1-RIC plus any auxiliary equipment; see heading ‘External dc Input Supply’. Undedicated Inputs and Outputs Four undedicated inputs and four undedicated outputs can be connected to the E1-RIC’s Facilities connector. The inputs and outputs can be monitored and controlled through an RCMS such as MARC. The inputs and outputs can be used for such functions as monitoring building alarms and controlling lighting circuits. The undedicated undedicated inputs inputs are are referenced referenced to +14 V, 0 V or -14 V. The reference reference is programmed programmed using using the diagnostics facility - see Maintenance. The inputs conform to the following conditions: 

Active when the input and the reference differ by more than th an 10 V (maximum input of ±60 ± 60 V with respect to reference)



Inactive when the input and reference differ by less less than 1 V



Indeterminate state for other conditions.

The undedicated outputs are solid state relays. Table Tab le 4-6 4-6 details details the connections and characteristics. MARC RS232 RCMS Data MARC RCMS data is available on the Facilities connector pins 10 and 23 in RS232 format. The same data is also available on the Auxiliary con nector. By convention, the data is normally connected from the Auxiliary connector as shown in Fi Fig g 44-1 1 and Fi Fig g 44-2 2.

If a main/standby switching panel is being used in conjunction with the E1-RIC, do not connect data now. Connection is made later on in the installation procedures.


Page 4-15

Installation

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Table Table 4-6 Facilities Connector Pin-Out Pin Number

Signal

Input or Output Input

Characteristic

1

Supply input

2

Ground

3

Supply output

Output

4

Not connected

–

5

Undedicated input A

Input

Active when the input and the reference voltage differ by more more than 10 V. Inactive when the input and the reference voltage differ by less than 1 V. Maximum input level level is ±60 V with respect to the reference voltage. Common reference for all undedicated inputs can be selected selected as +14 +14 V, 0 V, or -14 -14 V. The input draws no more than 6 mA and requires at least least 1 mA to operate operate

6

Undedicated input C

Input

As per undedicated input A

7

Undedicated ou output A

Output

Solid state relay, +60 V to -60 V, ac or dc, 100 mA maximum, normally open. Connected Connected to 0 V in closed position

8

Undedicated output C

Output

As per undedicated output A

9

Not connected

–

10

Transmit data

Output

11

Ground

–

0V

12

Not connected

–

–

13

Ground

–

0V

14

Supply input

15

Ground

16

Supply output

Output

17

Not connected

–

18

Undedicated input B

–

Between 20 and 35 Vdc (nominally 28 Vdc). Maximum Maximum current current = 2.5 2.5 A 0V Between 20 and 35 Vdc (nominally 28 Vdc) fused at 500 mA –

–

Input

–

RS232, 9600 baud, 8 data bits, 1 stop bit, no parity, no handshaking

Between 20 and 35 Vdc (nominally 28 Vdc). Maximum Maximum current current = 2.5 2.5 A 0V Between 20 and 35 Vdc (nominally 28 Vdc) fused at 500 mA –

Input

As per undedicated input A (continued)


Page 4-16

Installation

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Table 4-6 Facilities Connector Pin-Out (Continued) Pin Number

Signal

Input or Output

19

Undedicated input D

20

Undedicated output B

Output


21

Undedicated output D

Output


22

Not connected

23

Receive data

24

Not connected

–

–

25

Not connected

–

–


Input

Characteristic

–

As per undedicated input A

–

Input


Page 4-17

Installation

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Auxiliary Connector The Auxiliary connector provides input and output signals for analogue main/standby switching, an RS232 port for RCMS data, and input and output supply voltages. The connector is shown in Fig Fig 4-15 4-15 and and the pin-out listed in Ta Tabl ble e 44-7 7.

If a main/standby switching panel is being used in conjunction with the E1-RIC do not make any connections to the Auxiliary connector now. Connection is made later on in the installation procedures.

Pin 8

Pin 1

Pin 15

Pin 9

Fig 4-15 Auxiliary Plug Pin Arrangement If the radios are configured for independent (that is, not main/standby) operation, connect a modem to the Auxiliary connector on pins 8, 9 and 10. Note that if two or more E1-RICs are daisy-chained, only one modem is required. For example, in Fi Fig g 44-12 12,, which shows three E1-RICs daisy-chained, a modem should be connected only to E1-RIC (1).


Page 4-18

Installation

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Table 4-7 Auxiliary Connector Pin-Out Pin Number

Signal

Input or Output

1

Supply input

2

Ground

3

Supply output

4

Input AUX1

Input

Main/standby indication for radios 1 and 2. TTL with 4.7 kohm pull-up to to 5 V. High indicates radio 1 selected as main; pulled low when radio 2 is selected

5

Input AUX3

Input

Main/standby indication for radios 5 and 6. TTL with 4.7 kohm pull-up to to 5 V. High indicates radio 5 selected as main; pulled low when radio 6 is selected

6

Output AUX1

Output

Main/standby control for radios 1 and 2. Solid state state relay relay, +60 V to -60 V, ac or dc, 100 mA maximum maximum,, normally open contact. contact. Connected to 0 V in closed position

7

Output AUX3

Output


8

Transmit data

Output


9

Receive data

Input


10

Ground

11

Supply output

12

Input AUX2

Input

Main/standby indication for radios 3 and 4. TTL with 4.7 kohm pull-up to 5 V. High indicates radio 3 selected as main; pulled low when radio 4 is selected selected

13

Input AUX4

Input

Main/standby indication for radios 7 and 8. TTL with 4.7 kohm pull-up to 5 V. High indicates radio 7 selected as main; pulled low when radio 8 is selected selected

14

Output AUX2

Output


15

Output AUX4

Output



Input

Characteristic

– Output

– Output

Between 20 and 35 Vdc (nominally 28 Vdc). The maximum curren currentt = 2.5 A 0V Between 20 and 35 Vdc (nominally 28 Vdc) fused at 500 mA

0V Between 20 and 35 Vdc (nominally 28 Vdc) output fused at 500 500 mA

Page 4-19

Installation

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Setting the E1-RIC Address The E1-RIC supports RCMS data that is used by the Park Air Multi-Access Remote Control (MARC) system. Within a MARC system, each E1-RIC must have a unique address that corresponds to the addresses configured in the MARC operating software (see MARC User Documentation). The address is set using four rear panel ten-position switches. Setting the Address should be done with the equipment switched off. If set with the equipment switched on, the internal circuits must be reset by switching the equipment off, and then on again.

This example shows the switches set to address 0001

Fig 4-16 Address ID Switches


Page 4-20

Installation

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Installing the Main/Standby Switching Panel

Before installing the Main/Standby Switching Panel, complete the E1-RIC installation procedures given previously in this topic. If the system radios are configured as main and standby pairs, a main/standby switching panel is used in conjunction with the E1-RIC. Fig Fig 4-17 4-17 and and Fig Fig 4-18 4-18 show show the panel that is designed to be fitted to the cabinet uprights at the rear of an equipment cabinet behind the E1-RIC. The front view as shown in Fig Fig 4-17 4-17 faces faces outwards from the rear of the cabinet.

Line Ports 1A

1B

2A

2B

3A

3B

4A

4B

Fig 4-17 Main/Standby Switching Panel Front View

4B

4A

3B

3A

2B

2A

1B

1A Front Panel Connector

Radio Ports

Auxiliary Connector

Fig 4-18 Main/Standby Switching Panel Rear View

There is an alternative version of the main/standby switching panel that occupies 2U of cabinet space. This version, which can be fitted with an optional modem and Krone connectors, is electrically identical to the 1U version. See Appendix A.


Page 4-21

Installation

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For use when a device other than E1-RIC is used to control switching

Connections to modem, dc supply output and switched ground outputs

Connections to E1-RIC

CN7 Auxiliary

CN6 Switching Control

CN8 Additional Outputs


Line Ports 1A

2A 1B

Radio Ports

3A 2B

Connections to cross-site lines (radios 1 to 4)

4A 3B

1A 4B

Connections to cross-site lines (radios 5 to 8)

2A 1B

3A 2B

Connections to radios 1, 2, 3, 4

4A 3B

4B

Connections to radios 5, 6, 7, 8

Fig 4-19 Main/Standby Switching Panel Connector Usage

Fitting the Main/Standby Switching Panel into an Equipment Cabinet The main/standby switching panel is fitted with brackets (see Fi Fig g 44-20 20)) that allows fitting to the cabinet uprights at the rear of an equipment cabinet behind the associated E1-RIC. The panel is fitted so that the front view as shown in Fi Fig g 44-17 17 faces faces outwards from the rear of the cabinet. Note the following points before fitting: 



Switching panel part number BE1RIC/MSTX accommodates four channels and is used for T6 series transmitters and receivers Switching panel part number BE1RIC/MSTR accommodates four channels and must be used for T6 series transceivers and all M7 series radios.

Fixing Brackets

Fig 4-20 Main/Standby Switching Panel – Fixing Brackets


Page 4-22

Installation

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Connecting the Main/Standby Switching Panel to the E1-RIC A pin-to-pin connection between the E1-RIC’s Auxiliary connector and the main/standby switching panel Auxiliary connector must be made. This connection provides dc power for the switching panel and the signalling for analogue main/standby switching. The Auxiliary connector is shown in Fig Fig 4-21 4-21 and and the pin-out detailed in Ta Table ble 44-8 8. Pin 1

Pin 8

Pin 9

Pin 15

Fig 4-21 Main/Standby Switching Panel Auxiliary Auxiliary D-Type Plug Table 4-8 Main/Standby Switching Panel Auxiliary Connector Pin Number

Signal

Characteristics

1

Not connected

-

2

Ground

0V

3

Supply input

Between 20 and 35 Vdc

4

Radios 1 and 2 Main/Standby indication

Open collector when Main (radio 1) is in use. Low impedance to 0 V when Standby Standby (radio 2) is in use. use. Maximum current 10 mA

5



6

Radios 1 and 2 Main/Standby select

100 kohm pull-up to 15 V. Relay toggles on a falling edge edge

7



8

Receive data

RS232 MARC data

9

Transmit data

RS232 MARC data

10

RS232 ground

0V

11

Supply input

Between 20 and 35 Vdc

12



13



14



15




Page 4-23

Installation

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Connecting Radios to the Main/Standby Switching Panel Fig 4Fig 4-23 23 shows shows how the radios are connected to the main/standby switching panel. Transmitters and receivers require a four-wire connection between the radio’s MARC Audio connector and the appropriate RJ48 Radio port on the main/standby switching panel. For transceivers an eight-wire connection is required. A standard Cat 5 shielded non-crossover cable is used to make each interconnection.


Pin 1

Fig 4-22 RJ48 Connector Pin-Out For information purposes only, the interconnection details for transmitters, receivers and transceivers is given in Tab Table le 44-9 9 to Ta Tabl ble e 44-14 14..

Table 4-9 T6T Transmitter to Main/Standby Switching Panel Connections T6T Transmitter MARC Au Audio RJ48 Co Connector Pin

Signal

Main ain/Standby Sw Switchi ching Pa Panel Radio Port Pin

Signal

1 2 3

Audio line in (-) Audio line in (+) Fast antenna change-over/PTT

1 2 3

Line in Line in + Not used

4 5

Not used Not used

4 5

Not used Not used

6 7 8

PTT input Ground Not used

6 7 8

PTT Ground Not used


Page 4-24

Installation

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Table Table 4-10 T6R Receiver to Main/Standby Main/Standby Switching Panel Connections T6R Receiver MARC Audio RJ48 Connector Pin 1 2 3

Signal

Main/Standby Switching Panel Radio Port Pin

Audio line out (-) Audio line out (+) Not used

Signal

1 2 3

Line out Line out + Not used

4 5

Not used Not used

4 5

Not used Not used

6 7 8

Squelch indication Ground Not used

6 7 8


Table 4-11 T6TR Transceiver to Main/Standby Switching Panel Connections T6T T6TR Trans ransce ceiv iver er MARC Audi Audio o RJ48 J48 Conne onnect cto or Pin

Signal

Main/ ain/S Stand andby Switch itchin ing g Panel anel Radio Port Pin

Signal

1 2 3

Audio line out (-) Audio line out (+) Fast antenna change-over/PTT

1 2 3


4 5

Audio line in (+) Audio line in (-)

4 5

Line in + Line in -

6 7 8

Squelch indication Ground PTT

6 7 8


Table 4-12 M7 Transmitter Transmitter to Main/Standby Switching Panel Connections M7 Na Narrow-Band (A) Au Audio RJ RJ48 Co Connector Pin

Signal

Main/Standby Sw Switching Pa Panel Radio Port Pin

Signal

1 2 3

Not used Not used Not used

1 2 3


4 5

NB (A) line in (+) NB (A) line in (-)

4 5

Line in + Line in -

6 7 8

Not used Ground PTT

6 7 8

Not used Ground PTT


Page 4-25

Installation

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Table 4-13 M7 Receiver to Main/Standby Main/Standby Switching Panel Connections M7 Na Narrow-Band (A) Au Audio RJ RJ48 Co Connector Pin

Signal


Signal

1 2 3

NB (A) line out (-) NB (A) line out (+) Not used

1 2 3


4 5

Not used Not used

4 5

Not used Not used

6 7 8

NB (A) squelch indication Ground Not used

6 7 8

Squelch Ground Not used

Table 4-14 M7 Transceiver Transceiver to Main/Standby Switching Panel Connections M7 Na Narrow-Band (A) Au Audio RJ RJ48 Co Connector Pin

Signal


Signal

1 2 3

NB (A) line out (-) NB (A) line out (+) PTT indication

1 2 3


4 5

NB (A) line in (+) NB (A) line in (-)

4 5

Line in + Line in -

6 7 8

NB (A) squelch indication Ground PTT

6 7 8



Page 4-26

Installation

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Line Ports


Radio Ports

Radio 1, Main

1A

1A

Radio 2, Standby

1B 1B

Radio 3, Main 2A 2A

Radio 4, Standby

2B 2B Lines to control site

Radio 5, Main 3A 3A

Radio 6, Standby

3B 3B

Radio 7, Main 4A 4A

Radio 8, Standby

4B 4B

Fig 4-23 Radio Switching Arrangement Arrangement


Page 4-27

Installation

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Connecting the Additional Outputs Connector The Additional Outputs connector, detailed in Ta Tabl ble e 44-16 16,, provides: 

Modem connections (required only if a MARC, or similar RCMS system is used)



Grounding contacts that correspond to various switching states



dc outputs for a modem and ancillary dev ices. The total dc output from the main/standby switching panel must not exceed 250 mA. Note that the total dc dc output from the main/standby switching panel must not exceed 250 mA.

Connecting a Modem to the Main/Standby Switching Panel A modem connects to the Additional Outputs connector. RS232 data and dc power connections are provided as shown in Ta Tabl ble e 4-1 4-15 5. Table 4-15 Modem Connections Additional Outputs Connector Pin Number

Signal

9 8 10

Receive data Transmit data Ground

3 2

V unreg output Ground

Note that the cable length between the Additional Outputs connector and the modem should not exceed 15 metres.

Connecting Grounding Contacts Eight grounding contacts, as detailed in Ta Tabl ble e 44-16 16,, can be configured to meet a user’s particular requirements. dc Outputs Two dc outputs are available from the Additional Outputs connector as listed in Tab Table le 44-16 16.. One is normally used for a modem with the other available for any ancillary device. Note however that the total current drawn from the main/standby switching panel must not exceed 250 mA.


Page 4-28

Installation

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Table 4-16 Additional Outputs Connector Pin-Out 15-Way D-Type Plug Pin Number

Signal

Characteristic

1

V unreg output

Between 20 and 35 Vdc, 250 mA maximum

2

Ground

0V

3

V unreg output

Between 20 and 35 Vdc, 250 mA maximum

4

Main 1 grounding

0 V when main radio 1 is connected to Line port 1A. At other times, the output is open circuit with respect to ground

5

Main 2 grounding


6

Main 3 grounding


7

Main 4 grounding


8

RS232 transmit data

MARC data [Internally connected to Auxiliary connector pin 8]

9

RS232 receive data

MARC data [Internally connected to Auxiliary connector pin 9]

10

Ground

0V

11

Ground

0V

12

Standby 1 gro grounding

0 V when standby radio 2 is connected to Line port 1A. At other times, the output is open circuit with respect to ground

13



14



15




Page 4-29

Installation

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Connecting the Line Ports The eight line ports 1A to 4B provide the switched audio lines, PTT signal and squelch indication signal that connect to the VCCS (see Fi Fig g 44-23 23). ). Usage is detailed in Ta Tabl ble e 4-1 4-17 7. Connections for T6 and M7 radios are listed in Ta Tabl ble e 4-1 4-18 8 to Tab Table le 44-22 22.. A standard Cat 5 shielded non-crossover cable is used to connect to the RJ48 line ports. When making connections, note the port allocation is as shown in Ta Tabl ble e 4-1 4-17 7.


Pin 1

Fig 4-24 RJ48 Connector Pin-Out During installation a user should choose whether main and standby lines between the radio site and the VCCS are to be used, or whether a single line for each channel is to be used (compare between Fi Fig g 44-3 3 and Fi Fig g 44-4 4). If single lines are to be used, connect to the ‘main’ ports 1A, 2A, 3A and 4A.

Table 4-17 Line Port Allocation Radio

Main or Standby

Line Port

1

Main

1A

2

Standby

1B

3

Main

2A

4

Standby

2B

5

Main

3A

Channel

1

2

3 6

Standby

3B

7

Main

4A 4

8


Standby

4B

Page 4-30

Installation

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Table 4-18 Line Port Connections for T6T Transmitters Transmitters Main/Standby Main/Standby Switching Panel Line Port Pi n

Signal

1 2 3

Line in Line in + Not connected

4 5

Not used Not used

6 7 8

PTT Ground Not used

Table 4-19 Line Port Connections for M7 Transmitters Transmitters Main/Standby Main/Standby Switching Panel Line Port Pi n

Signal

1 2 3


4 5

Line in + Line in -

6 7 8

Not used Ground PTT

Table 4-20 Line Port Connections for T6R Receivers Main/Standby Main/Standby Switching Panel Line Port Pi n


Signal

1 2 3

Line out Line out + Not connected

4 5

Not connected Not connected

6 7 8


Page 4-31

Installation

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Table 4-21 Line Port Connections for M7 Receivers Main/Standby Main/Standby Switching Panel Line Port Pi n

Signal

1 2 3


4 5

Not used Not used

6 7 8


Table 4-22 Line Port Connections for T6TR and M7 Transceivers Main/Standby Main/Standby Switching Panel Line Port Pi n


Signal

1 2 3

Line out Line out + Not connected

4 5

Line in + Line in -

6 7 8


Page 4-32

Installation

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Front Panel Connector The Front Panel connector CN5 is a 15-pin D-type socket used to connect an optional rack mount front panel. The pin-out of this connector is detailed in Ta Tabl ble e 4-2 4-23 3 and Fi Fig g 44-25 25.. Pin 8

Pin 1

Pin 15

Pin 9

Fig 4-25 Front Panel Connector Pin Arrangement

The optional Front Panel is not yet available.

Table 4-23 Front Panel Connector Connector Pin-Out Pin Number

Signal

Characteristic

1

Main equipment 1 LED

15 Vdc (±20%) when main equipment 1 is active. 0 V at other other times. times. Maximum Maximum current current = 5 mA

2

Standby equipment 1 LED

15 Vdc (±20%) when standby equipment 1 is active. 0 V at other other times. times. Maximum Maximum current current = 5 mA

3



4



5



6



7



8



9

Main/ ain/S Standb andby y equi equipm pme ent 1 selec electt

100 100 kohm ohm pull pull-u -up p to 15 V. Trigg rigger ered ed on 0 V fall fallin ing g edge edge

10

Ground

0V

11

Main ain/St /Standb andby y equ equip ipm ment ent 2 sele elect

100 100 ko kohm pull pull-u -up p to to 15 15 V. V. Tri Trigg gger ered ed on 0 V fall fallin ing g edg edge e

12

Ground

0V

13

Main ain/St /Standb andby y equ equip ipm ment ent 3 selec electt

100 100 koh kohm m pull pull-u -up p to to 15 15 V. V. Tri Trigg gger ered ed on 0 V fall fallin ing g edg edge e

14

Ground

0V

15




Page 4-33

Installation

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Switching Control Connector The Switching Control connector CN6 is a 15-pin D-type socket that allows users to configure their own controlling device. The pin-out of this connector is detailed in Table Table 4-24 4-24 and Fig Fig 4-26 4-26.. Pin 8

Pin 1

Pin 15

Pin 9

Fig 4-26 Switching Control Connector Pin Arrangement

Table 4-24 Switching Control Connector Pin-Out Pin Number

Signal

Characteristic

1



2



3



4



5



6



7



8



9

Main/ ain/S Standb andby y equi equipm pme ent 1 selec electt

100 100 kohm ohm pull pull-u -up p to 15 V. Trigg rigger ered ed on 0 V fall fallin ing g edge edge

10

Ground

0V

11

Main ain/St /Standb andby y equ equip ipm ment ent 2 sele elect

100 100 ko kohm pull pull-u -up p to to 15 15 V. V. Tri Trigg gger ered ed on 0 V fall fallin ing g edg edge e

12

Ground

0V

13



14

Ground

0V

15




Page 4-34

Installation

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Maintenance

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Introduction This topic gives the maintenance policy, fault indications and details how to use the diagnostics software. The diagnostics software allows BIT indications to be viewed and allows the E1-RIC undedicated inputs and outputs to be configured.

Maintenance Policy The E1-RIC is a line replaceable unit (LRU). No spares are available. The main/standby switching panel is an LRU. No spares are available.

E1-RIC Fault Indications The E1-RIC is fitted with a Ready indicator, a Network indicator, an Alarm indicator and an indicator on each network and radio port. Ready Indicator A green gr een indicator that is lit when the E1-RIC E 1-RIC is ready for fo r use; that is, it is switched on and no internal faults are detected. Network Indicator A red indicator that lights when alarm conditions are present on the network. Alarm Indicator A red indicator that flashes when an alert condition is sensed and is lit for an alarm condition. E1 System Interconnections An indicator is fitted to the A1, A2, B1 and B2 System Interconnection ports. When a connection is made and no faults are detected the port indicator is lit. When using E1-RIC in analogue applications the network ports are used to daisy-chain units together. Radio Port Indicators An indicator is f itted to each r adio port. When a connection is made and a nd no faults are detected the port indicator is lit. Diagnostics By connecting a PC to the E1-RIC’s Diagnostics connector (see pa page ge 55-5 5), BIT indications can be listed (see Ta Tabl ble e 55-1 1).


Page 5-2

Maintenance

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Main/Standby Switching Panel Indications Two indicators are fitted to each Radio port and to each Line port. Four main/standby push buttons are fitted adjacent to the line ports. The indicators are detailed in the following paragraphs. Radio Port Indicators A green and an d a yellow indicator is fit ted to each radio port. These indicators are not enabled and do not light . Line Port Indicators A green and a yellow indicator is fitted to each line port. The green indicator is lit when the line is connected to the main radio, and the yellow indicator is lit when the line is connected to the standby radio. Main/Standby Push-Buttons The four main/standby push-buttons, designated Select 1 to Select 4, fitted adjacent to the line ports allow the main/standby radio pairs to be manually changed-over confirming serviceable relay operation. Pressing a push-button generates a grounding pulse which changes over the appropriate latching relays. When the relays change over, the indicators on the appropriate Line port change over from green to yellow and vice versa.


Page 5-3

Maintenance

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E1-RIC BIT Parameters A number of Built-In Test (BIT) parameters can be monitored via the Diagnostics facility. These are listed in Tab Table le 5-1 5-1.. Additionally, software operation is continually monitored.

Table 5-1 E1-RIC BIT Parameters Parameter

Monitoring Range

Elapsed time indication

0:00 0:00 to 99999 99999:59 :59 (hou (hours rs:mi :minut nutes) es)

Supply voltage

0 to 40 V

Notes Within Within 0.1% 0.1% (not (not includ including ing supp supply ly inter interrup ruptio tions) ns)

Less than 21.6 V produces an Alert condition. Alarm indicator flashes flashes Less than 19 V produces an Alarm condition. Alarm indicator lights

Alarm

Active when an Alarm condition is sensed

–

Xilinx

Pass or Fail

Alarm condition activated if Xilinx keep-alive signal is not present. Alarm indicator lights

EEPROM

Pass or Fail

Monitored only when the equipment is powered up Checksum failure and backup failure produce an Alarm condition. Alarm indicator lights

Configuration setting

Pass or Fail

An Alarm condition is initiated if the Configuration switch is set to a reserved position (that is, position 5, 6, 7 or 8). Alarm indicator lights

Routing setting

Pass or Fail

An Alarm condition is initiated if the routing configuration does not match the configuration setting. Alarm indicator lights

Digital audio routing

Pass or Fail

An Alarm condition is initiated if no E and M signalling is detected on an outgoing E1 time slot for the corresponding incoming E1 time slot. Alarm indicator lights (Digital applications only) only)

Main/standby switching panel

Pass or Fail

An Alert condition is initiated if the change-over did not occur. occur. Alarm indicator flashes

BIT history

Last 100 changes of BIT state

–


Page 5-4

Maintenance

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Diagnostics Software The diagnostics software allows E1-RIC’s BIT status to be viewed, and the undedicated input/output parameters to be changed. Other functions within the diagnostics software are reserved for Park Air use. A PC loaded with MicroSoft Windows™ is required for diagnostics. The Windows installation must include the Communications program; this is found under Accessories. Connection Lead A suitable connection lead, for example Park Air part number 17G12600005, is required to interconnect the E1-RIC and one of the PC Com ports. At the E1-RIC, the end terminated with a 2.5 mm jack plug connects to the Diagnostics connector. At the PC, a 9-way D-type connects to any Com port. The Diagnostics connector is detailed in Table Table 5-2 5-2.

Table 5-2 E1-RIC Diagnostics Connector 2.5 mm Jack Socket

Signal

Characteristics

Tip

Receive data


Ring

Transmit data


Sleeve

Ground

0V


Page 5-5

Maintenance

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Running the Diagnostics Software (1)

Using a suitable suitable connection connection lead, connect connect the E1-RIC’s E1-RIC’s rear panel panel Diagnost Diagnostics ics jack jack socket socket to one one of the PC’s Com ports. Note which Com port is used.

(2) (2)

Ensur Ensure e the the E1-R E1-RIC IC is swit switch ched ed off. off.

(3)

Ensure Ensure the PC PC is switc switched hed on and and that that the Windo Windows ws deskt desktop op is displ displaye ayed. d.

(4)

Left click on on th the start button start button located at the bottom left-hand corner of the desktop.

(5) (5)

From From the the list list of progr programs ams sele select ct:: Programs > Accessories > Communications > Hyper Terminal (left click on Hyper Terminal)

(6)

Check Check that that the the Connec Connectio tion n Descrip Descriptio tion n screen screen is displ displaye ayed d (see Fi Fig g 55-1 1).

Fig 5-1 Connection Description Screen (7)

In the Name field, field, type type in a suitable suitable name. name. For For example, example, E1-RIC. E1-RIC. Then left left click click on OK.

(8)

Check that the the Connect Connect To screen is displayed displayed and, using using the the drop-down drop-down menu, select select the COM port that is being being used to link the PC to the the E1-RIC (see Fi Fig g 55-2 2). Left click on OK.

Fig 5-2 Detailing the Com Port in Use


Page 5-6

Maintenance

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(9) (9)

Chec Check k that that the Com Com Prop Propert ertie ies s scre screen en (Fi (Fig g 5-3 5-3) is displayed. Use the drop-down menus to set the following parameters: Bits per second:

115200

Data bits:

8

Parity:

None

Stop bits:

1

Flow control:

None

Fig 5-3 Com Properties Screen (10) When the correct parameters parameters are displayed displayed left left click on on OK.


Page 5-7

Maintenance

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(11) Switch on power power to the E1-RIC and check check that the Power Up Diagnosti Diagnostics cs screen is displayed displayed (see Fig Fig 5-4 5-4).

Fig 5-4 Power Up Screen (12) To display a list list of functions functions that can be viewed viewed or changed using using the diagnostics, diagnostics, key key in help [enter]. (13) (13) Ensure Ensure the Help Help scree screen n (Fi (Fig g 5-5 5-5) is displayed.

Fig 5-5 Help Screen


Page 5-8

Maintenance

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Using the Diagnostics Facility A number of functions, as shown in Fig Fig 5-5 5-5, are available when using the diagnostics facility. Only four of the functions are detailed in this documentation. They are: 

Viewing E1-RIC BIT status



Setting the undedicated input reference voltage



Setting the undedicated input polarity



Setting the undedicated output polarity.

Other functions are for Park Air use and should not be accessed/altered by users. Viewing E1-RIC BIT Status To view the BIT status of the connected E1-RIC: (1) (1)

From From the the diag diagno nost stic ics s Help Help scr scree een, n, key key in in vfp_bit_status [enter].

(2)

Check Check that that the the E1-RIC E1-RIC BIT Stat Status us scree screen n is displa displayed yed as show shown n in Fi Fig g 55-6 6.

(3)

The BIT resu results lts are display displayed ed on on scree screen. n. Refe Referr also also to Tab Table le 55-1 1 on pa page ge 55-4 4 for further information.

Fig 5-6 E1-RIC BIT Status Screen


Page 5-9

Maintenance

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Setting the Undedicated Input Reference Voltage The undedicated undedicated inputs inputs are referenced referenced to -14 V, 0 V, or +14 V. For further further detail, see see Installation. Installation. To view view and alter the reference, which applies to all four inputs: (1)

Key in vfp_input_ref [enter].

(2)

The curr current ent refere reference nce voltage voltage is disp display layed ed as as shown shown in Fig Fig 5-7 5-7. If this is the required setting take no further action.

(3) (3)

To cha chang nge e the the sett settin ing, g, key key in in vfp_input_ref nn [enter] (where nn (where nn is is 14, 0 or -14 as required).

(4)

Key in vfp_input_ref [enter].

(5) (5)

Conf Confir irm m the req requi uire red d settin setting g is disp displa layed yed..

Fig 5-7 Undedicated Input Reference Voltage


Page 5-10

Maintenance

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Setting the Undedicated Input Polarities Each undedicated input can have its polarity set to Normal or Inverted. If the polarity of the E1-RIC inputs is set to Normal the following conditions apply: 





When the input voltage and reference voltage differ by less than 1 volt, a ‘low’ is interpreted. An inactive signal is sent to the E1-RIC When the input voltage and reference voltage differ by more than 10 V, a ‘high’ is interpreted. An active signal is sent to the E1-RIC When the input voltage and the reference voltage differ between 1 V and 10 V an ‘unknown’ state exists.

If the polarity of the E1-RIC inputs is set to Inverted the following conditions apply: 





When the input voltage and reference voltage differ by less than 1 volt, a ‘high’ is interpreted. An active signal is sent to the E1-RIC When the input voltage and reference voltage differ by more than 10 V, a ‘low’ is interpreted. An inactive signal is sent to the E1-RIC When the input voltage and the reference voltage differ between 1 V and 10 V an ‘unknown’ state exists.

To view the current polarities, and change them as required: (1)

Key in vfp_input_polarity [enter].

(2)

Check that the four four inputs inputs and and their their current current settings settings are displayed displayed as shown shown in in Fig Fig 5-8 5-8. If these are the required settings take no further action.

(3) (3)

To chan change ge a set setti ting ng,, key key in vfp_input_polarity x n (where x (where x is is the input A, B, C, or D and n is 0 for normal and 1 for inverted). Repeat, if required, for all four inputs.

(4)

Key in vfp_input_polarity [enter].

(5) (5)

Chec Check k that that all all inp input uts s are are set set as requ requir ired ed..

Fig 5-8 Input Polarities


Page 5-11

Maintenance

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Setting the Undedicated Output Polarities Each of the four outputs act as a switch. When activated by the RCMS system and the output polarity is Normal, the output switches from a virtual open circuit to 0 V. When activated by the RCMS system and the output polarity is Inverted, the output switches from gro und to a virtual open circuit. The maximum current that can be drawn from each output is 100 mA. Setting the polarities is similar to setting input polarities (see pa page ge 55-11 11)) except the commands are: (1)

Key in vfp_output_polarity [enter].

(2)

Check that the the four outputs outputs and their current current settings settings are displayed. displayed. If these are the required required settings take no further action.

(3) (3)

To chan change ge a set setti ting ng,, key key in vfp_output_polarity x n (where x (where x is is the output A, B, C, or D and n is 0 for normal and 1 for inverted). Repeat, if required, for all four outputs.

(4)

Key in vfp_output_polarity [enter].

(5) (5)

Chec Check k that that all all out outpu puts ts are are set set as req requir uired ed..


Page 5-12

Maintenance

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Appendix A

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2U Version of the Main/Standby Switching Panel Throughout this documentation, the standard Main/Standby Switching panel is descr ibed (see Fi Fig g 11-2 2 on page pa ge 11-2 2). The standard panel occupies 1U of cabinet space. An alternative panel shown in Fi Fig g 66-1 1, Fi Fig g 66-2 2 and Fi Fig g 66-3 3 occupies 2U of cabinet space. Apart from the metalwork, the panel is electrically identical to the 1U version. The 2U version can accommodate an optional modem and a bracket holding up to four Krone connectors.

Optional Modem Additional Outputs

Switching Control

1A 1B 1 B 2A 2A 2B S W1

Line Ports

3A 3B 3 B 4A 4A 4B SW2

SW3

Line Ports

SW4

Optional bracket with 4 Krone connectors fits here

Fig 6-1 Main/Standby Switching Panel Front View

4B

4A

3B

3A

2B

2A

1B

1A

Front Panel

Radio Ports

Radio Ports

Auxiliary

Fig 6-2 Main/Standby Switching Panel Rear View

Fig 6-3 Main/Standby Switching Panel Top View Dimensions and Weight Height

The panel occupies 2U of cabinet space (88 mm).

Width

483 mm (19 inch).

Depth

121 mm m m (4.75 inch) excluding rear panel connectors.

Weight

0.5 kg.


Page 6-2

Appendix A

E1-RIC Analogue_Main Stand By

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