摘要
介绍了低阶DXC在城域传输网中的应用,分析了在骨干和汇接层均采用10Gbit/s设备组网的特大城市城域传输网中,低阶交叉功能在E1电路出租业务中的重要作用。
Application of low order DXC in metro transmission networks is intro-duced.The importance of low order DXC when providing E1leased line service in ultra large city whose metro transmission networks backbone and converging layer are based on10Gbit/s SDH equipment is analyzed.
出处
《邮电设计技术》
2003年第9期13-16,共4页
Designing Techniques of Posts and Telecommunications
