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SDH光通信中保护方式1+1和1+0的区别,复用段1+1保护,一般是用在链状系统,两块群路板走不通的光缆路由,发端双发,收端选收。属热备份,不用执行倒换协议,倒换速度非常快,只有几个毫秒。1+0就是木有保护,只有一块工作板,工作板或线路断掉了,业务也就断掉了。简单来…
2024-4-27 1:35:25[未知IP0801]网友
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2024-4-27 1:24:50[未知IP0801]网友
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2024-4-27 1:14:15[未知IP0801]网友
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