摘要
简要介绍了OTN+PTN组网模式技术优势及现网应用情况;对提出的全网OTN+PTN、现网叠加PTN汇聚环及PTN光纤拉远入OTN 3种OTN+PTN扩容方案进行了详细对比分析,并推荐现网叠加PTN汇聚环为现阶段大中城市OTN+PTN网络扩容的主流方案。
It introduces the advantages and application of OTN＋PTN network,analyzes and compares the three ways of network expansion.The PTN collective layer overlay present network is considered as the best one among the three ways.
出处
《邮电设计技术》
2012年第1期59-62,共4页
Designing Techniques of Posts and Telecommunications
