SRU PCB
Signal
Pin No.
Name
CN91-2
MIC (+)
CN91-3
RCV (+)
CN91-4
RCV (-)
CN91-5
MIC (-)
CN91-6
TGND
CN90
Refer to MJR3 PC Board CN304.
3.5.16. LAN PC Board
CN96
Refer to SC PC Board CN93.
Destination
Telephone
Handset CN
Telephone
Handset CN
Telephone
Handset CN
Telephone
Handset CN
Signal Waveform
0V
79
Function
Handset Microphone
Handset Receiver
Handset Receiver
Handset Microphone
Ground