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FXS port 71
SmartNode 4520 & 4110 Series User Manual D • Port pin-outs
FXS port
The FXS 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
3 Ring (-)
4 Tip (+)
Note
Pins not listed are not used.
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 14.
Table 14. RJ-11 socket
Pin Signal
3 Ring (-)
4 Tip (+)
Note
Pins not listed are not used.