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[Sonet/SDH] 不懂？ |
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发表于 2006-2-8 16:03:00
大家通常所说得链路数指的是物理上的吗？比如说MSC和BSC之间8条链路，34个中继怎么理解？中继电缆是同轴的，那传输是不是要复用到光纤上。这个链路不太明白它的概念？？？请教各位大侠！
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2179| 1
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[Sonet/SDH] 不懂？ |
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手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-7 03:38 , Processed in 0.076991 second(s), 16 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed