01-02 Introduction to the BBU3806

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2Introduction to the BBU3806About 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 BBU3806

All the ports,Light Emitting Diodes (LEDs), and DIP switch are on the front panel of theBBU3806.

2.4 Engineering Specifications for the BBU3806

This describes the engineering specifications for the BBU3806.

BBU3806

Installation Guide 2 Introduction to the BBU3806

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Auxiliary Facilities of the DBS3800

AuxiliaryFacility

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 theAPM30 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 theAPM100 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


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

OFB An outdoor facility box for DC power distribution and transmission,

which provides the following functions:


l Heat dissipation

l Alarm reporting

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

SPD40R 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 SPD40R User Guide.

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AuxiliaryFacility

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 theDPD32-1-6 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 theEMUA 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.

For details of the SPBC functions, refer to SPBC.

Surge Protection

Box for Twisted-

Pair (SPBT)

The surge protection unit in the SPBT is optional.

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.

For details of the SLPU functions, refer to SLPU.

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 built-in DDF functions, refer to Built-in DDF.

2.2 Appearance of the BBU3806The BBU3806 is a case with all its ports on the front panel.

Figure 2-2shows the BBU3806.

2 Introduction to the BBU3806

BBU3806

Installation Guide

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Figure 2-2BBU3806

2.3 Panel of the BBU3806

All the ports, Light Emitting Diodes (LEDs), and DIP switch are on the front panel of theBBU3806.

Figure 2-3shows the panel of the BBU3806.

Figure 2-3Panel of the BBU3806

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

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

Item Label Description

Ports E1/T1 Ports for Iub transmission

FE0

FE1

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

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

LEDs RUN For details, refer to LEDs on the BBU3806.

ALM

ACT

LIU0 to LIU7

CPRI0 to CPRI2

DIP switch TYPE For details, refer to DIP Switch on the

BBU3806.LOCAT_ID

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.

2 Introduction to the BBU3806

BBU3806

Installation Guide

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Power Input

Table 2-2Power input to the BBU3806

Rated Voltage Operating Voltage Range48 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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