A.90
B.95
C.100
D.110

A.2598.6
B.2598.7
C.2601.3
D.2601.4

A.75V～79.5V
B.146V～154V
C.128V～135V
D.161V～170V

A.2598.6
B.2598.7
C.2601.3
D.2601.4

A.120
B.130
C.140
D.150

A.210
B.220
C.230
D.240

A.同频率的发送和接收可同缆
B.同频率的发送和发送可同屏蔽四芯组
C.同频率的发送或接收可同缆
D.同频率的接收和接收可同屏蔽四芯组

A.“N+1”
B.“1+1”
C.双机并联
D.其他

A.±55Hz
B.55Hz
C.±11Hz
D.11Hz

A.0.5A；0.45A
B.0.6A；0.55A
C.0.5A；0.6A
D.0.5A；0.55A

A.200m；150m
B.200m；200m
C.200m；100m
D.250m；100m