铁路SDH骨干网组网结构与业务保护改进  

Analysis of Railway SDH Network Structure and Business Relations Improvement

作　　者：王艳君[1] 

机构地区：[1]郑州铁路局郑州通信段

出　　处：《铁道通信信号》2013年第11期58-61,共4页Railway Signalling & Communication

摘　　要：针对铁路基础传送网SDH组网的现状,以西南环为例分析了当前SDH网络组网结构与业务保护关系的优点和不足;为保证铁路行车业务电路安全,提出铁路SDH骨干网中心节点跨环业务的保护思路和组网优化建议。Based on the current status of the SDH network in service as railway basic transport network, this paper analyzes the structure of the current SDH network as well as the strengths and weaknesses of the business protection relationship by of railway traffic operation circuits, th taking the Southwest loop as example e protection design of core nodes of the In order to ensure the safety railway SDH backbone network over the loop and suggestion for network optimization are proposed.

关 键 词：同步数字体系 密集型光波复用 复用段保护 子网连接保护 数字交叉连接设备 

分 类 号：TN914.332[电子电信—通信与信息系统]