BTS3012 Architecture

 Key words: BTS3012, DTMU, DTRU, DDPU, DEMU, deployment

Abstract: This document introduces the hardware structure of the BTS3012, and describes the procedures for locate the problems in the deployment field. It provides guidance for the engineers with GSM BTS basics so that they can independently add a site, update versions, locate problems, perform message tracing, and finally finish deploy the BTS3012 efficiently.

SeeThe BTS3012 cabinet consists of the following subracks:

 DAFU subrack
DTRU subrack
FAN subrack
Common subrack

Cabinet top subrack
BBU/transmission unit
BTS3012 has the following boards:
DTMU
 DEMU
DCCU
 DCSU
 DATU
DTRU
DDPU
DCOM
DMLC
DELC
DSAC

Figure 1-1 shows the BTS3012 cabinet under full configuration.

DSAC: Signal Access Card for DTRU BTS
DELC: E1 Signal Lightning-Protection Card  for DTRU BTS
DMLC: Monitor Signal Lightning-Protection Card for DTRU BTS
DCOM: Combining Unit for DTRU BTS
DDPU: Dual Duplexer Unit for DTRU BTS
DTRU: Double Transceivers Unit
FAN (NFCB): NodeB Fan Controlling and Monitoring Board
DTMU: Transmission Timing& Management Unit for DTRU BTS
DEMU: Environment Monitoring Unit for DTRU BTS
DATU: Antenna and TMA Control Unit for DTRU BTS
DCSU: Combined Cabinet Signal Connection Unit for DTRU BTS
DCCU: Cable Connection Unit for DTRU BTS

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BTS3012, DTMU, DTRU, DDPU, DEMU,