11549| 7
|
请问SDH中的同步复用和PDH中的异步复用是什么意思。谢谢 |
|
发表于 2009-5-22 09:49:23
|显示全部楼层
| |
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-19 04:28 , Processed in 0.115240 second(s), 19 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed