01-02 Introduction to the BBU3806

BBU3806 Installation Guide

2 Introduction to the BBU3806

2

Introduction to the BBU3806

About This Chapter This describes the appearance of, panel of, and engineering specifications for the BBU3806. 2.1 DBS3800 Product Family This describes the DBS3800 in terms of its function modules and auxiliary facilities. 2.2 Appearance of the BBU3806 The BBU3806 is a case with all its ports on the front panel. 2.3 Panel of the t he BBU3806 All the ports, Light ports, Light Emitting Diodes (LEDs), and DIP switch are on the front panel of the BBU3806. 2.4 Engineering Engineering Specifications for the BBU3806 This describes describes the engineering specifications specifica tions for the BBU3806.

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Huawei Technologies Proprietary

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2.1 DBS3800 Product Family This describes the DBS3800 in terms of its function modules and auxiliary facilities.

Function Modules of the DBS3800 The BBU3806, BBU3806C, and RRU3801C are referred to as the function modules of the DBS3800. Figure 2-1 Function modules of the DBS3800

Function Module

Connector Type

BBU3806

Indoor baseband unit that processes baseband signals

BBU3806C

Outdoor baseband unit that processes baseband signals

RRU3801C

Outdoor remote radio unit. It receives and transmits RF signals and then transmits the processed signals to the BBU3806 or BBU3806C.

The BBU3806, BBU3806C, and RRU3801C can be combined into a BTS3803 or BTS3803C. l

l

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BTS3803: consists of one BBU3806, one RRU3801C, and the power system, which processes RF and baseband signals and applies to indoor environment. BTS3803C: consists of one BBU3806C and one to three RRU3801Cs, which processes RF and baseband signals and applies to outdoor environment.


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Auxiliary Facilities of the DBS3800 Auxiliary Facility

Connector Type

APM30

An outdoor power backup system providing the following functions: l

–48 V DC power output

l

Temperature control

l

A space of 2 U or 7 U for installing user devices based on battery configurations

For details of the APM30 functions, refer to the APM30 User Guide. APM100

An outdoor power backup system providing the following functions: l

–48 V DC power output

l

A maximum of 60 A current

l

A space of 4 U for user devices

For details of the APM100 functions, refer to the APM100 User Guide. AFB

An outdoor facility box providing the following functions: l

Four AC power outputs and four DC power outputs

l

AC surge protection

l

Temperature control

l

Alarm reporting

l


For details of the AFB functions, refer to the AFB User Guide. OFB

An outdoor facility box for DC power distribution and transmission, which provides the following functions: l


l

Heat dissipation

l

Alarm reporting

For details of the OFB functions, refer to the SPD40R

OFB User Guide.

An outdoor AC surge protection device providing the following functions: l

AC surge protection

l

Four AC power outputs

l

Remote fault alarm reporting

l

Local fault alarm reporting

For details of the SPD40R functions, refer to the

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SPD40R User Guide.

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Auxiliary Facility

Connector Type

DPD32-1-6

An indoor facility for DC power distribution, which provides the following functions: l

One DC power input at a maximum current of 32 A

l

Six DC power outputs

For details of the DPD32-1-6 functions, refer to the DPD32-1-6 User Guide. EMUA

An environment monitoring unit providing the following functions: l

Environment monitoring

l

Intrusion monitoring

l

Power distribution monitoring

For details of the EMUA functions, refer to the EMUA User Guide. Surge Protection Box for Coaxial (SPBC)

A small box for indoor application, which provides surge protection for the coaxial cables of the BBU3806.

Surge Protection Box for TwistedPair (SPBT)

The surge protection unit in the SPBT is optional.

For details of the SPBC functions, refer to SPBC.

l

The SPBT without the surge protection unit works as a Digital Distribution Frame (DDF).

l

The SPBT with the surge protection unit provides surge protection for twisted pair cables.

For details of the SPBT functions, refer to SPBT. Signal Lightning Protection Unit (SLPU)

The SLPU protects the E1/T1 signals and Ethernet signals over the BBU3806 from lightning surge.

DDF

The DDF is used for the E1/T1 cable connections between the BBU3806 and the transmission device. According to installation positions, the DDF falls into two types, namely external DDF and built-in DDF.

For details of the SLPU functions, refer to SLPU.

For details of the built-in DDF functions, refer to Built-in DDF.

2.2 Appearance of the BBU3806 The BBU3806 is a case with all its ports on the front panel. Figure 2-2 shows the BBU3806.

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Figure 2-2 BBU3806

2.3 Panel of the BBU3806 All the ports, Light Emitting Diodes (LEDs), and DIP switch are on the front panel of the BBU3806. Figure 2-3 shows the panel of the BBU3806. Figure 2-3 Panel of the BBU3806

Table 2-1 describes the ports, LEDs, and DIP switch on the panel of the BBU3806. Table 2-1 Ports, LEDs, and DIP switch on the panel of the BBU3806

Item

Label

Description

Ports

E1/T1

Ports for Iub transmission

FE0 FE1

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CPRI0 to CPRI2

Ports used to connect the BBU3806 to the RRU3801C, pRRU3801, or RHUB3808

EIa

Ports for BBU3806 interconnection


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Item

Label

Description

EIb EXT_ALM

Port for external alarms

RS485

LEDs

PWR

Port for power supply

GPS

Port for GPS signal input

BITS

Port for clock signal input

10 MHz

Port for clock signal output

8 kHz/TTI

Port for testing

ETH_RS232

Port for commissioning

RST

Button used to reset the BBU3806

ESD

Port used to connect the ESD wrist strap

RUN

For details, refer to LEDs on the BBU3806.

ALM ACT LIU0 to LIU7 CPRI0 to CPRI2 DIP switch

TYPE LOCAT_ID

For details, refer to DIP Switch on the BBU3806.

E1/T1

2.4 Engineering Specifications for the BBU3806 This describes the engineering specifications for the BBU3806.

Physical Dimensions The dimensioning of the BBU3806 is 436 mm x 300 mm x 42 mm (W x D x H).

Weight The weight of the BBU3806 is 5 kg at most.

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Power Input Table 2-2 Power input to the BBU3806

Rated Voltage

Operating Voltage Range

–48 V DC

–40 V DC to –60 V DC

+24 V DC

+19 V DC to +29 V DC

Power Consumption l

The maximum power consumption of the BBU3806 without the plugboard is 60 W.

l

The maximum power consumption of the BBU3806 with the plugboard is 80 W.

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01-02 Introduction to the BBU3806

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