Patton electronic 4520 manual FXO port

C • Port pin-outs Model 4520 & 4110 Series Getting Started Guide

FXO port

The FXO ports use an RJ-11 connector with 6 positions. The midle two positions 3 and 4 are used according to table 13.

Table 13. RJ-11 socket

Pin Signal

3Ring (-)

4Tip (+)

Note Pins not listed are not used.

78 FXO port