一种实用的PDH设备构成的光纤自愈环  

A useful optical fiber self-healing ring consisting of PDH equipment

作　　者：叶正青 

机构地区：[1]桂林激光通信研究所,桂林541004

出　　处：《光通信技术》2001年第2期128-130,共3页Optical Communication Technology

摘　　要：介绍一种借助 SDH自愈环概念 ,用 PDH光电合一的跳群复用设备构成的二纤单向通道倒换环 ,能提供 1 6个 2 Mb/s通道 ,并具有 2 Mb/s信号的插入 /分出能力。如果环上任一处光缆被切断 ,中断的通信业务能自动恢复 ,恢复时间小于 50 ms。这种环网结构具有自愈功能 。It is introduced that a one direction channel change over ring using two optical fiber consisting of hopping group optical line equipment with the help of SDH self healing ring concept.It can be provided 16 of 2Mbit/s channel which have insert/drop capability in one ring.If any optical fiber in the ring is cut off,the interrupted telecommunication business can be recovered automatically,the recovery time small than 50ms.It is excellent prospect in mobile telecommunication network application.

关 键 词：自愈环 光纤通信 PDH设备 

分 类 号：TN929.11[电子电信—通信与信息系统]