
FXO Port Pin Assignments
The FXO Telephony Interface Module has 2 RJ11C/W modular jacks. The
following diagram and table show the assignments of the pin for the RJ11 port.
RJ-11 pin
Signal
1 Not
connected
2 Tip
3 Ring
4 Not
connected
FXS Port Pin Assignments
1
2
3
4
The FXS Telephony Interface Module has 2 RJ11C/W modular jacks. The
following diagram and table show the assignments of the pin for the RJ11 port.
1
2
3
4
RJ-11 pin
Signal
1 Not
connected
2 Tip
3 Ring
4 Not
connected