1) two-fiber bidirectional linear switched ring
双纤双向线性倒换环
2) bidirectional linear switched ring
双向线性倒换环
3) 4-fiber-cable both-direc-tion-reuse reversible ring
4纤双向复用段倒换环
4) 2 fiber bi-directional ring
双纤双向环
5) bidirectional multiplex section switching ring
双向复用段倒换环
1.
This paper describes the principle of the bidirectional multiplex section switching ring.
介绍了双向复用段倒换环的工作原理。
6) bidirectional protection switching
双向保护倒换
补充资料：倒换
1.掉换。 2.轮流替换。
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