城域WDM光传送网——2纤OADM环网技术概要

The Key Technologies of Metropolitan WDM Optical Transmisson Systems-2 Fiber OADM Ring

本文阐述了一种城域WDM传送网—2纤OADM环网的主要技术,如OADM环网节点的3种基本结构、 环网的保护方式、波长转换器、子速率复用和城域光网络管理等,给出了OADM环网在城域应用时应考 虑的一些因素,并分析了运营商所关心的系统成本问题。

In this paper, the key technologies of metropolitan OADM ring was introduced, such as three kinds of basic architecture of OADM node, the ring protection function, the features of OTU and sub-rate multiplexer/ demultiplexer, the network management, etc. Then, some of the application factors that should be considered was given, and the system cost was also analyzed.