在某大型小区,一共有10个室外光交箱,每个光交箱内装有1台分光器...
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Saturday, September 17, 2022
Wednesday, September 14, 2022
当SDH的同步传送模块是STM-16时,其信号速率为多少()...
Wednesday, September 14, 2022
HP-TIM告警,是因检测到高阶通道开销中的什么字节收发失配引起...
Saturday, September 17, 2022
Saturday, September 17, 2022
以下哪些字节不属于高阶通道开销()。A、B1B、C2C、B3D、B2...
Monday, January 2, 2023
OTN波分系统出现多个单波通道误码时,可能的原因不包括()...
Saturday, September 17, 2022
Thursday, September 15, 2022
Sunday, September 11, 2022
室内有源分布系统中,维护时一般需对以下器件进行性能测试:...
Saturday, September 17, 2022
柴油发电机组的噪声通常在()分贝之间。A、70-80dBB、91-94dBC、100-120dBD、130-140dB...
Sunday, March 10, 2024
同一PLMN网络中的SGW和PGW之间的接口名称为()...
Thursday, September 15, 2022
RADIUS协议CODE=1的应答包中,CODE值可以是()...
Thursday, September 15, 2022
CiTRANS640设备2M盘E1K1可以插在哪些槽位()...
Saturday, September 17, 2022
Thursday, September 15, 2022
FTTH 建设模式中,改造普通住宅楼(蝶形光缆汇聚低于10户):...
Friday, September 16, 2022
Wednesday, September 14, 2022