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本文以铁路通信网中第一套SDH系统为例,介绍数字同步系列的优点,分析SDH第一级同步传输模块STM—1帧结构的形成过程,并对宁芜ADM—155的开通、使用和监测作具体介绍.
This paper takes the first SDH system in railway communication network as an example to introduce the advantages of digital synchronization series and analyze the forming process of STM-1 frame structure of SDH first-level synchronous transmission module. Monitoring for specific introduction.