Flexi设备知识培训.pptx

Flexi BSC结构与功能结构与功能 1TCSM 功能和结构功能和结构 2Flexi EDGE BTS介绍介绍 31 2nd BSC generation Large Capacity SW up to 256 TRX(S6)with 2 racks660 TRXs with 1-cabinet BSC3i 660 configuration(S10.5)1000 TRX with 1-cabinet and up to 2000 TRXs with 2 cabinets by BSC3i 1000/2000(S12&S13)3000 TRX with 1-cabinet by Flexi BSC(BSC3i Flexi)(S14)Complete solution for future CS and PS traffic handling capacity requirements with IP connectivityHigh Capacity BSC along with smooth upgrade path(S8)Capacity increase up to 512 TRX with 2 racks1991199519992002BSC3iBSC2iBSCEFirst BSC generationUp to 128 TRX with 2 high racksBSC220072009第一代产品第二代产品第三代产品2连接能力/TRXs电路域/话音分组域/数据传输能力-E1/T1-STM-1/OC-3-IPTranscoding/channels660 TRXs4 000 Erl6 140 x 16 kbit/s CHs256 E1/T1 lines-4 GE links for Gb,O&M,Lb,Sigtran,DFCA960 channels with TCSM2参数BSC3i 6603 000 TRXs18 000 Erl30 720 x 16 kbit/s CHs800 E1/T1 lines16 STM-1/OC-312 GE links including also Abis and A i/f34 000 channelswith TCSM3isFlexi BSC(BSC3i3000)2 000 TRXs12 000 Erl25 600 x 16 kbit/s CHs800 E1/T1 lines16 STM-1/OC-38 GE links for Gb,O&M,Lb,Sigtran,DFCA11 520 channels with TCSM3iBSC3i 1000/2000 Flexi BSC 家族3Flexi BSCeBSCBSC3i2000机架尺寸(高*宽*深)2000mm*900mm*600mm2000mm*600mm*450mm2*(2000mm*900mm*600mm)最多载频数TRX300020002000最多小区数300010002000最多基站数Sites30005002000PCM Lines800 E1 288 E1 800 E1 SDH/Sonet Connectivity16+16*STM-1/OC-38+8*STM-1/OC-316+16*STM-1/OC-3IP connectivity 12+12*Giga-Ethernet4+4*Giga-Ethernet(RG20)12+12*Giga-Ethernet（改造后）Erlang180001000012000E-GPRS Channels16 Kb/s)30720850025600每载频功耗（瓦）0.7 W（正常情况）1.3 W（正常情况）30720 Abis channels/FlexiPCU2-E PIUBTS ObjectsTRX ObjectsAbis ChannelsUp to 30 x 384Up to 30 x 1,024Up to 30 x 1,024PCU2-E Capacity21OMU（Operation and Maintenance Unit)是BSC与高一级网络管理系统和用户之间的一个接口，它可以进行BSC本地操作和维护。OMU从BSC接收故障指示后，向用户提供本地告警打印输出或向网管系统发送故障指示。系统故障时，OMU在BSC内自动激活适当的恢复和诊断流程。提供用于本地操作的I/O接口OMU主要执行下述功能:测量报告管理BSC维护管理BSC系统配置和状态管理BSS系统管理LAN 拓扑结构管理OMUOMUOMUOMUPlug-in unitsCP816-ACAS7-DHWAT-BSERO-BPSC6-ABMass memory adapter:DCAR1-A22提供提供USB接口接口USB存储设备提供可靠的软件和数据库备份可支持4GB的移动设备包含2个硬盘（HSD07）：互为镜像保持高的安全性。可以不中断业务进行升级和改变每个硬盘的容量是73 GB指示灯:绿色 正常红色 故障Hard disk AMC front panel(HDSAM-A)Red-out of Servicegreen Power goodBlue Hot Swapamber hard disk drve activity23Flexi BSC cabinet Flexi BSC cabinet LANULANUGSW2KBGSW2KBGTICGTICCLOCCLOCETCETCETCETCETCETCLANULANULANULANUGTICGTICGSWBGSWBCLOCCLOCETCETCETCETCGTICGTICGSWBGSWBCLOCCLOC24l通过BSC传送业务；l需要连接信令单元和内部数据传输单元l背板上通过ET1提供8Mbit/s连接；l前板通过ETS2/ETIP提供2 HotLinks/SW256连接；l负责BSC的子复用功能。lGSW2KB的特性包括：2048条real PCM16384条virtual PCM基于8kbit/s的水平交换一个GSW256B最多65536个8kbit/s信道8个SW256BConfiguration includes 8 x SW256B plug-in units25时钟单元CLS在BSC中的功能是接受上一级传过来的外接时钟参考，也向BSC中的各个单元提供时钟信号；自身也能产生标准时钟信号收集各个单元的告警上传至OMU中。（CL3TG-UA）插板单元位于SGC1C-A插框中，通过交换能产生基本的时钟信号，从接收到的ET或外部FS中同步帧对齐信号。具体的同步信号输入包含连接面板上的4个ET和2个外部输入FS。CLS面板上共3个灯：1灯亮，2M1；2灯亮：2M23：2M4；1&2：2M3；1&3：FS1；2&3：FS22 x CL3TG units(2N redundancy)26LANU-0&1ETC 0-4 and GTIC 0-1LANU单元包含3个ESB24插板，有两个功能:第二槽道上的ESB板连接各个计算机单元的CPU板，提供以太网接口，并同时可以连接到网管端（CE交换机上），实现网管对BSC的监管和操作；它的三四槽道上的ESB板，连接BCSU上的PCU板，并连接到SGSN端，实现Gb over IP。ESB24 单板共提供24个端口:-Port 1,2,23 和 24 在前面板.-Port 3 到 22 在备板上.27IP backbone IP backbone BSC units BSC units 28提供BSC的外部连接线，包括2M电路、SDH和以太网，根据不同的插板实现。每个ETS2单板可容纳2根光纤。FlexiBSC最大可包含2*8个ETS2并提供16个外部接（光）口。12个EET口？ETS2和ET16可以交替在GTIC框中使用。ETIP和ET16可以交替在GTIC框中使用。0-16 x ETS2 units0-16 x ETIP1-A units0-16 x ET16 units29ETC 0-4GTIC 0-1ETC 0-4 and GTIC 0-1提供BSC的外部PCM线连接。每个ET16 可提供16条 PCMs(E1/T1)Flexi BSC 最大可容纳50个 ET16 提供 800个外部 PCMs(E1/T1)接口。30新的插板:ETIP1-A for EET interface PCU2-E for Packet data PSC6-D for power supply in each ESB24-A for ethernet switch SWPRO-C for controlling GSWB公用部分:FTRB-A enhanced fan unitsCP816-A CPU for all computer unitsBit based group switch for 2048 PCMs(GSW2KB)ET16 for E1/T1 interfaceETS2 for STM-1 or OC-3 interfaceDCAR-A for mass memoryLANUEthernet Message Bus(EMB)MCMCMU MU 1 1OMUOMUFlexi BSC cabinet Flexi BSC cabinet MCMMCMU 0U 0BCSBCSU 0U 0BCSBCSU 1U 1BCSBCSU 3U 3BCSBCSU 5U 5LANLANU 0U 0BCSBCSU 2U 2BCSBCSU 4U 4BCSBCSU 6U 6LANLANU 1U 1GTIGTIC 1C 1GSGSWB WB 1 1ETC ETC 1 1ETC ETC 3 3CLS 1CLS 1GTIGTIC 0C 0GSGSWB WB 0 0ETC ETC 0 0ETC ETC 2 2CLS CLS 0 031#TRX per BSC15005011,0001,0011,5001,5012,0002,0012,5002,5013,000#active BCSU123456Max.#BTS/#BCF5001,0001,5002,0002,5003,000Max.#logical PCU2-E51015202530Max.#PS Abis chan165,12010,24015,36020,48025,60030,720Max.#RTSL4,0008,00012,00016,00020,00024,000Max.#SS7 links64 kbps128 kbps256 kbps512 kbps1024 kbpsHSL(2M)Additionally Sigtran(SS7 over IP)842212168442416126636161688481616101051016161212612Max.#LAPD9921,9842,9763,9684,9605,952#TransmissionPCM(ET16)STM-1/OC-3(ETS2)IP/PWE(ETIP1)501685016850168501685016850168PDFU 0PDFU-BPDFU 1PDFU-BBCSU 3BCSU 1BCSU 5BCSU 4BCSU 2BCSU 6FTRB 1FTRB 0CLS 1GSW2KB 1OMUBCSU 0MCMU 0MCMU 1GSW2KB 0GTIC 1GTIC 0CLS 0ETC 0ETC 1ETC 2ETC 3LANU 0LANU 12000 x 900 x 600 cabinetFTRB 3FTRB 213546232Flexi BSC结构与功能结构与功能 1TCSM 功能和结构功能和结构 2Flexi EDGE BTS介绍介绍 333Up to 960 ETSI/768 ANSI ChExtension Step 120 ETSI/95 ANSIAdded unique features for superior voice quality such as Acoustic Echo Canceller and Noise SupressionThird generationThird generationfrom 1995from 2006Second Second generationgenerationTCSM3iTCSM2E/AFirst generationFirst generationUp to 450 ETSI ChExtension Step 15 ETSIfrom 1992TCSMEUp to 11520 ETSI/9120 ANSI ChExtension Step 960 ETSI/760 ANSIAll TCSM2 features availableAdded enhanced pool options34容量大，结构紧凑，单机柜支持超过11 000 个业务信道（384 A接口）机柜数少耗电量低，运维成本低支持新的和BSC3i 1000/2000的组合安装方式，具有如下优势:提供到A接口和远端BSC的SDH/Sonet的光纤传输方式几个BSC（包括本地和远端的BSC）可共享TCSM3i 的容量统一的电路池（All-in-one pool）简化了对电路池配置的工作35NEW All-in-one Circuit PoolsNEW All-in-one Circuit Pools pool 28 and 32pool 28 and 32TCSM3i does not support pool2TCSM3i does not support pool2 (8Kbit/s submultiplexing)(8Kbit/s submultiplexing)36Combi TCSM3iStand-alone TCSM3iFan trayFan trayFan trayFan trayPDFUPDFUPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMETETETETETETCLSCLSAir GuideAir GuideFan trayFan trayFan trayFan trayPDFUPDFUPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMSETSET SETSETCLABCLABAir GuideAir GuideFlexiBSCFlexiBSCTCSM3i TCSM3i 37Combi TCSM3iStand-alone TCSM3i相同点相同点 同样的机架(M98 Mechanics,IC-209-B cabinet)同样的TR3E完成编码和子复用功能 每机柜最大的TCSMs单元数都为96.同一机柜都可以服务于多个BSC。Fan trayFan trayFan trayFan trayPDFUPDFUPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMETETETETETETCLSCLSAir GuideAir GuideFan trayFan trayFan trayFan trayPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMSETSET SETSETCLABCLABAir GuideAir Guide38Combi TCSM3iStand-alone TCSM3iFan trayFan trayFan trayFan trayPDFUPDFUPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMETETETETETETCLSCLSAir GuideAir GuideFan trayFan trayFan trayFan trayPDFUPDFUFan trayFan trayFan trayFan trayTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMTCSMSETSET SETSETCLABCLABAir GuideAir Guide 不同点不同点 Combi TCSM3i 不需要配线框.combi TCSM3i 使用CLAB而Stand-alone使用 CL3TG.combi TCSM3i配置SBMUX和ETS2，Stand-alone使用ET16.TCSM框Combi TCSM3i 不需要ET16.处理话务能力不同。3912345ETC0ETC1ETC26789101112131415161_2_3_4_5_6_7_817181920212223241_2_3_4_5_6_7_81_2_3_4_5_6_7_8Subrack Level 1 40112341,2,3,4,5,6,7,8,9,10,11,12,13,14,15,162341,2,3,4,5,6,7,89,10,11,12,13,14,15,16Only 1 BSC can be connected because of 1 Ater ET piu2 BSCs can be connected because there are 2 ATER pius56785ETC0ETC1ETC2TC2C-0TC2C-11_2_3_4_5_6_7_8Indexes60_1_2_34_5_6_78_9_10_1112_13_14_150_1_2_374_5_6_78_9_10_1112_13_14_1581_2_3_4_5_6_7_81_2_3_4_5_6_7_8Subrack Level 1 Subrack Level 2 4191011121,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,89,10,11,12,13,14,15,16Only 1 BSC can be connected because of 1 Ater ET piu2 BSCs can be connected because there are 2 ATER pius13141516ETC0ETC1ETC2TC2C-2TC2C-3Indexes01_2_34_5_6_78_9_10_1112_13_14_150_1_2_34_5_6_78_9_10_1112_13_14_159101112131415161_2_3_4_5_6_7_8 1_2_3_4_5_6_7_81_2_3_4_5_6_7_8Subrack Level 1 Subrack Level 4 42171819201,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,89,10,11,12,13,14,15,16Only 1 BSC can be connected because of 1 Ater ET piu2 BSCs can be connected because there are 2 ATER pius21222324ETC0ETC1ETC2TC2C-4TC2C-5Indexes0_1_2_34_5_6_78_9_10_1112_13_14_150_1_2_34_5_6_78_9_10_1112_13_14_151_2_3_4_5_6_7_817181920212223241_2_3_4_5_6_7_81_2_3_4_5_6_7_8Subrack Level 1 Subrack Level 5 43Cabinet Head master TR3E/A Cabinet clock supervision(O&M for CL3TG)Located at track 1 TR3E/A(first TR3E/A is track 0)Cartridge master TR3E/A Ater interface ET16E/A supervision(O&M)Located at track 0 TR3E/A in Cartridge and track 8 if 2nd Ater ET16 is usedMaster TR3E/A A interface ET16E/A supervision(O&M)Located at track 0,4,8,12 TR3E/A in CartridgeTrack 0 TR3E/A handles O&M for the A&Ater interfaces ET16(cartridge master)Normal TR3E/ATR3E/A in other locations44ETC21_2_3_4_5_6_7_8ETC11_2_3_4_5_6_7_8ETC01_2_3_4_5_6_7_8TC2C-01_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_17TC2C-11_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_17_18CLSOnly in track 1 of the TC2C-0 CartridgeClock LAPD for O&M for clock supervision 45ETC21_2_3_4_5_6_7_8ETC11_2_3_4_5_6_7_8ETC01_2_3_4_5_6_7_81,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16TC2C-01_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_179,10,11,12,13,14,15,161,2,3,4,5,6,7,8TC2C-11_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_17_18Ater-IFIn track 0 of every TC2C Cartridge and track 8 if 2nd Ater ET16 is usedETLAPD of Ater-IF for ET supervision(O&M)463ETC271_2_3_4_5_6_7_82ETC14681_2_3_4_5_6_7_81ETC051_2_3_4_5_6_7_812341,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16TC2C-01_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_179,10,11,12,13,14,15,1656781,2,3,4,5,6,7,8TC2C-11_2_3_4_5_6_7_8_9_10_11_12_13_14_15_16_17_18A-IFTrack 0 TR3E/A handles O&M for the A&Ater IF ET16(cartridge master)In track 0,4,8,12 of every TC2C CartridgeETLAPD of A-IF for ET supervision(O&M).47 FlexiBSC对TCSM3i的ETS2的控制PCM是 1714，1715和1722，1723，这四条 PCM与BCSU中PCU的内部PCM重复，必须删除BCSU-6数据，并将背板后的连线 拆除 使用FlexiBSC与TCSM3i Combine安装后，FlexiBSC的实际容量为2500TRX 现场到货的TC均为Standalone配置，需现场将TC升级至Combine配置Equipping CABLE FROM CABLE TO No FU Position FU Position Type Use Note BSCC_123 LANU 0 4.0B 13.1L BCSU 6 5.0B 16.1N CHG018 LAN remove BSCC_271 GSW2KB-A 0 1.0B 07.3L BCSU 6 5.0B 11.1Z CHF023 PCM remove BSCC_272 GSW2KB-A 0 1.0B 07.3C BCSU 6 5.0B 11.1R CHQ023 PCM remove BSCC_273 GSW2KB-A 0 1.0B 07.2U BCSU 6 5.0B 11.1J CHQ024 PCM remove BSCC_274 GSW2KB-A 0 1.0B 07.2M BCSU 6 5.0B 11.1A CHQ024 PCM remove BSCC_153 LANU 1 5.0B 13.1L BCSU 6 5.0B 17.1N CHG007 LAN removeBSCC_371 GSW2KB-A 1 2.0B 07.3L BCSU 6 5.0B 36.3Z CHF022 PCM removeBSCC_372 GSW2KB-A 1 2.0B 07.3C BCSU 6 5.0B 36.3R CHQ022 PCM removeBSCC_373 GSW2KB-A 1 2.0B 07.2U BCSU 6 5.0B 36.3J CHQ022 PCM removeBSCC_374 GSW2KB-A 1 2.0B 07.2M BCSU 6 5.0B 36.3A CHQ022 PCM remove48TC-PCM#CH131231331427ETETETETETTR3E/AA-IFAter-IFBSC MSCTCSM3iAter Interface PCMMax 120 TCHsETETETETETTR3E/AA-IFAter-IFBSCMSCTCSM3i49CLAC cartridge2 Clock and Alarm Buffer(CLAB)plug-in unitsGTIC cartridges2 A-interface SDH/SONET Exchange Terminal(ETS2)plug-in unitsYSame unit for ETSI/ANSIY2 STM-1/OC-3 connections per unitYOptical LC-connectors at front plate2 Serial Broadband Multiplexer(SBMUX)for internal Ater connectionsTC2C cartridges16 Transcoding plug-in unitsTR3E for both ETSI and ANSICLAC GTIC TC2C 506 TC2C cartridge per TCSM3i cabinet 1 STM-1 per TC2C cartridgeCONCLUSION:6 STM-1 per TCSM3i cabinet to the Core Network.6“STM-1”towards the MGW/MSC(6 Master STM-1+6 Redundant STM-1)51GSW2KBGSW2KBFlexi BSCFlexi BSCSBMUXSBMUXCombi TCMS3iCombi TCMS3iRepeated for every GSW-SBMUXs couple HOTLINKS52TRACKSTRACKS1 15 51 1SBMUX PIUSBMUX PIU(Part of GSW-0)(Part of GSW-0)ETS2 PIUETS2 PIU(STMU 32 unit)(STMU 32 unit)SBMUX PIUSBMUX PIU(Part of GSW-1)(Part of GSW-1)SET 128SET 128SET 129SET 129SET 130SET 130SET 131SET 13153SW256BSBMUX-AETS2SBMUX-AETS2SBMUX-AETS2SBMUX-AETS254TC-PCM#CH131231331427 1 PCM per TCSM1 TCSM3i contains 96 TCSMTotal of 96 PCM on Ater1 SBI(Hotlink)has capacity for 64 PCMCONCLUSION:2 SBI links between GSW2K and the TCSM3i with 48 PCM each4 PCMs per TCSM1 TC2C cartridge contains 16 TCSMTotal of 16*4=64 TC_PCM per TC2C1 STM-1 contains 63 PCMsCONCLUSION:1 STM-1 per TC2C cartridge(capacity affected)ETETETETETTR3E/AA-IFAter-IFBSCMSCTCSM3i5516 TCSM*4 TC_PCM=64 PCMs（16个TCSMs单元）通过A口时减少了一个PCM（一个光口含有63个2M）使用4压1，最后一组只能使用3压1，那么1个满配TC2C框的处理能力：15 TCSM*120ch/TCSM+1TCSM*(31+31+31)ch/TCSM=1833 ch15 TCSM*120ch/TCSM+1TCSM*(31+31+31)ch/TCSM=1833 ch123456789 1011 12 1314 15 16TR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRTR3EOPRSHIM4TSHIM4TSHIM4T17 18 191 TC2C Cartridge 1 STM-1 A if 63 PCMs56硬件 相同：TR3E 不同：YCombined TC3iSBMUX-A、ETS2、CLAB-SYStandalone TC3iCL3TG、ET16接口配置 Combined TC3i Ater-interface使用hotlink内部连线。A-interface使用ETS2。Standalone TC3i Ater-interface和A-interface都使用ET16板，分别对应到GTIC和 TC2C机框。57Flexi BSC结构与功能结构与功能 1TCSM 功能和结构功能和结构 2Flexi EDGE BTS介绍介绍 358Flexi EDGE BTS又称诺西的第5代产品，相较于传统的BTS，Nokia Flexi GSM BT的结构简单，所需单元更少,全功能的BTS最少可由两个模块组成。基站扩容可通过增加模块和软件激活实现同一模块适用于所有站点需求Y室内和室外Y宏蜂窝和微蜂窝Y从1载频到216 个载频的容量配置基站模块可挂墙、抱杆、堆叠、安装在19”机架或 Flexi 基站机柜内支持最大10公里射频模块光纤拉远Nokia Flexi GSM BTS无需单独的加热器。温度低于-10 C时，双载频（双重TRX）模块会自行加热，而其他模块在整个温度范围（从-35C 到+50C（+55C短时）内均可运作。Flexi GSM BTS2+2+2600mm4+4+4860mm59双工器模块双载频模块逻辑扇区模块可选子模块旁路合路（bypass）或宽带合路（wideband combining）时主要模块的功能系统模块(传输)以太网&信令控制直流供电滤波器,双工器,Bias-Ts宽带合路器基带处理传输单元GSM/EDGE 射频Abis 接口60扇区模块(3HU)逻辑上包括双载频模块和双工器模块系统模块(ESMA 3 HU)网管，电源分配，系统总线，传输双工器模块(ERxA 1HU)双工耦合器,VSWR,Bias-T 每小区至少1块双载频模块(EXxA 2HU)双载频单元 可独立使用或与双工器组成扇区模块HU=44.4 mm61Nokia Flexi GSM 系统模块（ESMA）系统模块是为整个BTS提供通用功能和内外部连接的单元。BTS 软件存储在系统模块中，可同时存在两个软件版本。系统模块同时接受及储存BTS中所有其他单元的单元识别信息。系统模块支持最多12 TRX 的结构。如需更大的结构，可用系统扩展模块。系统模块的主要功能有：BTS 运营及维护（O&M）BTS 集成传输系统总线控制和模块同步 为其他模块分配电力（48 VDC）PDU(power distribution unit)48V intakeInterchangeable Transport module:8xE1,8xE1/T1 or 2x FlexbusSite support system,MIBBU alarms(6),Aux equipment Q1,Local Management Port(LMP)6x Ethernet to DTRX or RTC PDU(power distribution unit)6x48V to other modulesOut1xEAC(External Alarm&Control)12x alarm inputs+6x control outputsHU=44.4 mmIn Synchronization系统模块(传输)以太网&信令控制直流供电传输单元Abis 接口62双载频模块（EXxA）双载频模块（DTRX）是一个双载波TRX 单元，包括：p基带处理pRF部分（有两个收发器）p宽带合路器（可选）。双重TRX 模块用于：和双重双工模块的组合，形成了一个逻辑扇区模块，或者到远程调谐合路器（RTC）模块的单机TRX 模块，或者作为扩展TRX模块。Nokia Flexi GSM BTS 支持的每个频段都有独立的双重TRX模块支持：EXTA GSM800EXGA GSM900EXDA GSM1800EXPA GSM19004xRXTX 20-2xWideband combiners1xBus1xDTRX-DDU1xPowerPhase feedback from WBC(DPTRX)TX 1双载频模块宽带合路器基带处理GSM/EDGE 射频63Nokia Flexi GSM 双工器模块（ERxA）双工器模块和双重TRX模块构成了一个扇区模块。为确保分集，每个扇区至少需要一个双工器模块。双工器模块通常附在双载频模块后，后者为前者提供了电力供给和O&M 链接。安装扩展双载频模块，无需增加双工器模块。双工器模块的作用是为通用天馈线中TX和RX的信号提供功能，为BTS的旁路和多频合路结构提供天线连接。每个频段都有独立的双重双工模块：ERTA GSM800ERGA GSM900 full bandERHA GSM900 SB-HERJA GSM900 SB-JERDA GSM1800 full bandERPA GSM1900 full band4xRX 1TX 2TX 1RX for external BTSRX for external BTSAnt 1Ant 24xRX 2双工器模块滤波器,双工器,Bias-Ts64传输子模块（FlxA）1.8 x E1 asymmetrical sub-module 2.8 x E1/T1 symmetrical sub-module3.2 x Nokia Flexbus sub-module宽带合路器子模块(EWxA)2:1 合路每双载频模块可插入2块扩展系统模块(ESEA)超过12TRX或使用RTC时需配置电源分配，系统总线RTC模块(ECxA)6:1合路包括双工耦合器,VSWR,Bias