[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )kbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )kbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )kbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )Mbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )kbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]SDH传输网的同步传送模块STM-16的信号速率为( )Mbit/s。A.155.520B.622.080C.2488.320D.9953.280
[单选题]STM-1帧频8kHz,即每秒传送8000帧;一帧的周期为( )μs。A.125B.225C.325D.425
[问答题] 在SDH帧结构中,传送一帧的时间为多长?每秒传输多少帧?
[单选题]STM-64帧频8kHz,即每秒传送8000帧;一帧的周期为()us。A.125B.225C.325D.425
[单选题]STM-1帧频8kHz,即每秒传送8000帧;一帧的周期为()μs。A . 125B . 225C . 325D . 425