3081| 1
|
[Sonet/SDH] 哪位大侠能先容一下G.703 E1输入口的电平值允许范围啊 |
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-13 04:22 , Processed in 0.078092 second(s), 15 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed