![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
对于SDH系统的标准STM-1信号,其电接口的码型为()。
A.HDB3
B.5B6B
C.CMI
D.NRZ加扰码
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.HDB3
B.5B6B
C.CMI
D.NRZ加扰码
A.STM-1
B.STM-4
C.STM-16
D.STM-64
A.STM-0是51840Kbit/s
B.STM-1是155520Kbit/s
C.STM-4是622080 Kbit/s
D.STM-16是2488320Kbit/s
E.STM-64是9953280Kbit/s
F.STM-128是39813120Kbit/s