A.前向纠错告警、循环冗余校验错误告警、ATM帧头校验错误告警
B.前向纠错告警、ATM帧头校验错误告警、循环冗余校验错误告警
C.ATM帧头校验错误告警、前向纠错告警、循环冗余校验错误告警
D.循环冗余校验错误告警、前向纠错告警、ATM帧头校验错误告警

A.128
B.254
C.255
D.256

A.快速通道
B.模拟通道
C.交织通道
D.数字通道

A.5dB
B.6dB
C.7dB
D.8dB

A.0dB
B.1db
C.2db
D.3db

A.大于
B.小于
C.等于
D.小于等于

A.30％
B.40％
C.50％
D.60％

A.3
B.4
C.5
D.6

A.45
B.60
C.90
D.135

A.8
B.9
C.10
D.11

A.MA5100
B.Hammer FLEX24
C.NE80
D.3026E