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SDH光通信中保護方式1+1和1+0的區(qū)別,復用段1+1保護,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??欤挥袔讉€毫秒。1+0就是木有保護,只有一塊工作板,工作板或線路斷掉了,業(yè)務也就斷掉了。簡單來…
2024-4-30 20:10:44[未知IP0801]網(wǎng)友
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2024-4-30 20:00:51[未知IP0801]網(wǎng)友
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2024-4-30 19:51:19[未知IP0801]網(wǎng)友
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2024-4-30 19:40:41[未知IP0801]網(wǎng)友
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2024-4-30 19:30:06[未知IP0801]網(wǎng)友
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2024-4-30 19:19:31[未知IP0801]網(wǎng)友
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2024-4-30 19:09:38[未知IP0801]網(wǎng)友
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2024-4-30 18:59:24[未知IP0801]網(wǎng)友
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2024-4-30 18:48:49[未知IP0801]網(wǎng)友
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2024-4-30 18:38:14[未知IP0801]網(wǎng)友
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2024-4-30 18:27:39[未知IP0801]網(wǎng)友
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2024-4-30 18:17:04[未知IP0801]網(wǎng)友
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2024-4-30 18:06:29[未知IP0801]網(wǎng)友
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2024-4-30 17:55:49[未知IP0801]網(wǎng)友
丹麥是否歐洲杯冠軍['http://jsrgjt.com/pg5543.html', 'http://cqzbjz.com/jingyutiyu8989.html', 'http://depengwuyou.com/jy7765.html', 'http://sdzcgc.com/dq10530.html', 'http://hongjizs.com/jingyutiyu7482.html']
2024-4-30 17:53:21[未知IP0801]網(wǎng)友
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2024-4-30 17:45:14[未知IP0801]網(wǎng)友
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2024-4-30 17:35:00[未知IP0801]網(wǎng)友
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2024-4-30 17:24:25[未知IP0801]網(wǎng)友
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2024-4-30 17:13:50[未知IP0801]網(wǎng)友
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2024-4-30 17:03:57[未知IP0801]網(wǎng)友
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