摘要
讨论了几种信息传输主干网的技术 ,并在以 SDH作为传输主干网的基础上 ,对构建一个安全、可靠、先进且满足要求的地铁通信网以及各通信子系统的接入问题作了探讨。
Several types of communication networks are discussed. Based on the SDH networks , a safe, reliable and advanced communication network which meets the metro requirements is introduced, the access of all subsystems to this backbone is also being presented.
出处
《电子工程师》
2000年第6期14-17,共4页
Electronic Engineer
关键词
地铁通信网
通信系统
同步数字体系
metro communication network,SDH,ATM,OTN, access network
