1) Two-fiber MS shared protection ring
二纤双向复用段共享保护环
2) Four-fiber MS shared protection ring
四纤双向复用段共享保护环
3) two fiber bidirectional multiplex section protection ring
二纤双向复用段保护环
4) Two fiber bi-directional multiplexing segment protection ring
两纤双向复用段保护环
5) MS-SPRING
复用段共享保护环
1.
The protection mechanism of Multiplex Section Shared Protection RING(MS-SPRING)are introduced and its application in SDH Optical Transmission network is proposed.
简要介绍目前SDH光传输网络中复用段共享保护环 (MS SPRING)的保护机制及其在实际中的应用。
6) 4-fiber shared protection ri ngs
四纤共享保护环
补充资料：电力线载波保护复用载波机
电力线载波保护复用载波机
multi purpose PLC equipment for teleprotection system
d一onl一x一on zolbo boohu fuyong 20一boJ-电力线载波保护复用载波机(multi purposePLC equiPment for teleProteetion system)见电力线载波机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条