第8讲相邻E1,E3业务开通讲解.pptx

第8讲相邻E1,E3业务开通

SDH复用结构1相邻站点间2M业务开通32M复用进STM-N结构2

SDH的复用包括两种情况：（1）由STM-1信号复用成STM-N信号（2）由PDH支路信号复用成STM-N信号STM-1STM-4STM-16STM-64×4×4×4STM-NE1E3E4映射定位复用SDH复用结构1

SDH复用结构1

Container容器VirtualContainer(C-n+VC-nPOH)虚容器TributaryUnit(低阶VC-n+TU-nPTR)支路单元AdministrationUnit(高阶VC-n+AU-nPTR)管理单元TributaryUnitGroup支路单元组AdministrationUnitGroup管理单元组(N*AUG+SOH)同步传输模块SDH复用结构1

我国：高阶VC：VC-4低阶VC：VC-3，VC-12我国SDH复用结构SDH复用结构1

2.048Mbit/s±50ppm适配+LPOH+TU-12PTRX3X7X3+HPOH+AU-4PTRX1XN+SOHSTM-1可装入路2M信号。632M复用进STM-N结构2

复用路线:2M→C-12→VC-12→TU-12；3TU-12→TUG-2；7TUG-2→TUG-3；3TUG-3→VC-4→STM-1。TU-12TU-12TU-12(1)(2)(3)TUG-2TUG-2TU-12TU-12TU-12(61)(62)(63)TUG-2(1)(2)(7)……TUG-3TUG-3TUG-3(1)(2)(3)AU-4AUGTUG-2TUG-2TUG-2(1)(2)(7)……2M复用进STM-N结构2

TU12TU12TU12(1)(2)(63)AU-4AUG……AUG(1)(4)AUGAUG(2)……port(2)OL4port(1)port(4)……port(2)OL1port(1)port(8)……AUG(1)(16)AUGAUG(2)……Port(1)OL16AU-4TU12TU12TU12(1)(2)(63)……AU-4TU12TU12TU12(1)(2)(63)……

STM-16应用举例ADMADMADMADM南京苏州上海常州1.上海与南京之间1个2M2.上海与常州之间2个2M该SDH网络可容纳个2M业务。点对点业务程控交换机程控交换机计算机联锁计算机联锁相邻站点间2M业务开通3

STM-64应用举例ADM2ADM20ADM1ADM211.上海与南京之间1个2M2.上海与常州之间2个2M该SDH网络可容纳个2M业务。ADM3-190相邻站点间2M业务开通3

站2站3STM-4STM-16站11个2M1个2MOL16[1-1-1]端口1OL16[1-1-2]端口1OL4[1-1-4]端口1OL4[1-1-4]端口2AUG1TU12(1)12……63上/下业务上/下业务站2站3STM-4STM-16站11个34M10个34MOL16[1-1-1]端口1OL16[1-1-2]端口1OL4[1-1-4]端口1OL4[1-1-4]端口2AUG1TUG3（1）123上/下业务上/下业务

E3复用进STM-N信号STM-NE3映射定位复用码速调整、信号打包指针校准字节间插复用34M复用结构1

34.368Mb/s±20ppm适配+LPOH+TU-12PTRX3+HPOH+AU-4PTRX1XN+SOHSTM-1可装入路34M信号。3X1STM-1可装入路2M信号，还能装个34M。STM-1可装入路2M信号，还能装个34M。34M复用结构1

复用路线:34M→C-3→VC-3→TU-3→TUG-3；3TUG-3→VC-4→STM-1。TUG-3TUG-3TUG-3(1)(2)(3)AU-4AUGTUG-3TUG-3TUG-3(1)(2)(3)AU-4AUG(1)(4)AUGAUG(2)……port(2)OL4port(1)port(4)……port(2)OL1port(1)port(8)……TUG-3TUG-3TUG-3(1)(2)(3)AU-4AUG(1)(16)AUGAUG(2)……Port(1)OL1634M复用结构1

34M信号复用进STM-N步骤相邻站点间的34M电路业务两个站点都是配置上下业务：同一根光纤相连的两个站点AUG号和时隙号（TUG3）相同。站2站3STM-4STM-1站11