摘要
简要介绍高速传输环网(一期)WDM和SDH系统工程的建设规模,工程中采用的传输系统、保护方式和辅助系统,最后简述了该工程的特点。
It briefly introduces the construction scale of high-speed trans-mission loop network(first phase)WDM and SDH system project,transmis-sion system,protection model and auxiliary system adopted in this project.It also describes traits of this project in the end.
出处
《邮电设计技术》
2002年第6期50-52,共3页
Designing Techniques of Posts and Telecommunications