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SDH光通信中保護(hù)方式1+1和1+0的區(qū)別,復(fù)用段1+1保護(hù),一般是用在鏈狀系統(tǒng),兩塊群路板走不通的光纜路由,發(fā)端雙發(fā),收端選收。屬熱備份,不用執(zhí)行倒換協(xié)議,倒換速度非常快,只有幾個(gè)毫秒。1+0就是木有保護(hù),只有一塊工作板,工作板或線路斷掉了,業(yè)務(wù)也就斷掉了。簡(jiǎn)單來(lái)…
2024-6-18 19:16:29[未知IP0801]網(wǎng)友
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2024-6-18 18:45:01[未知IP0801]網(wǎng)友
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2024-6-18 18:34:25[未知IP0801]網(wǎng)友
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2024-6-18 17:51:57[未知IP0801]網(wǎng)友
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2024-6-18 16:08:44[未知IP0801]網(wǎng)友
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