7444| 19
|
[Sonet/SDH] PDH的2M和SDH的2M业务制式是不同的吗?[求助] |
|
发表于 2003-5-7 14:33:00
|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, 2024-11-13 04:03 , Processed in 0.102838 second(s), 16 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed