  !"#!$%  ! &  '()    *+++#!  "#!  "+#! &$  ,+     &-    !!  "  #$#  %&'& &.   MS: Mobile Station BTS: Base Transceiver Station OMC: Operation and Maintenance Center HLR: Home Location Register EIR: Equipment Identity Register MSC: Mobile Switching Center VLR: Visitor Location Register SMC: Short Message Center VM: Voice Mailbox BSC: Base Station Controller AUC: Authentication Center PSTN ISDN PSPDN Um Interface BTS BTS BTS BTS OMC HLR/AUC/EIR BSC MSC/VLR SMC/VM A Interface MAP TUP,ISUP MS MS MS &  //  (##&  )&%#* +),  !&& -#  #.(*!  / &0  //  01."2*0&30  0$(%* 、 $(%*&$(%* 4  0$3&*.0*  &#&3'#  '3(3*'3&%3  %)5&%)55& &1  ! DATA_BUS/CONTROL_BUS/TIMING_BUS External control External alarm E1 TMU Opt. fiber xDSL TEU PMU FH_BUS CDU PSU TRX TRX TRX Signal Processing Unit Common Unit CDU CDU antenna antenna antenna Antenna Feeder Unit TES &2  (# 345(634 ,75 &"45&"4 "4586 "4 &!45&!4 3453(4 9!59:& !4 9459:4 FAN BOX SWITCH BOX FAN BOX AIR BOX AIR BOX P S U P S U P S U P S U P S U P S U P M U T M U T E S T E U T M U T E U T R X T R X T R X T R X C D U C D U T R X T R X T R X T R X C D U C D U T R X T R X T R X T R X C D U C D U TDU &%    !!  "  #$#  %&'& [...]... Man-machine interface (MMI) and operation & maintenance link  Provide centralized BTS clock  Provide alarm signal input ports Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved Page12 Structure of TMU External synchronous clock BSC BIU CBUS MMI (manmachine Interface) Environment monitors DBUS OMU EAC Standby TMU Standby MCK MCK TDU Extended BIU TBUS Copyright © 2006 Huawei Technologies... ~ 12 0 1 -48VDC 1~3 2 1 4~6 3 1 7~9 4 1 10 ~ 12 5 1 1~3 3 1 4~6 4 1 7~9 5 1 10 ~ 12 6 1 220VAC Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved Page20 notes One PSU for backup PMU PMU structure AC power supply AC/DC AC/DC AC/DC AC/DC Load Fan Power monitoring unit PMU Fuse Battery Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved Page21 FMU  Functions of FMU  Fan feeding... speech processing  Um and Abis interface signaling processing  Modulation and demodulation  RF signal amplification Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved Page24 TRX Module Structure DBUS FH_BUS CBUS PAU TDP SCP DSP CUI RCU TBUS Transmitter Receiver Diversity receiver Clock processing part RPU TBPU RPU:RF signal Processing Unit TBPU:TRX Baseband signal Processing Unit SCP:... transmitted signals  Filter ,amplify and distribute received signals  Provide power for the tower-top amplifier  Alarm detection Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved Page29 CDU Structure TX1 TX2 TX-COMB TX-DUP RX1 RX2 RX3 RX4 Combiner Divider LNA HL-out RX5 RX6 RX7 RX8 HL-in RXD-out TX/RX-ANT Duplexer Divider LNA Copyright © 2006 Huawei Technologies Co., Ltd All rights reserved