Fxo Port Pin Assignments; Fxs Port Pin Assignments - Planet Internet Telephony PBX System IPX-1900 User Manual

FXO Port Pin Assignments

The FXO Telephony Interface has 2 RJ-11C/W modular jacks. The following diagram and
table show the assignments of the pin for the R-J11 port.
RJ-11pin

FXS Port Pin Assignments

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