SmartNode 4740 Series (16–32 Ports) User Manual
Analog Port Pinout
For models with FXS ports terminated on RJ21 connectors, see the detailed pin-out in Appendix D, section
"RJ21 Models"
on page 54.
Models that come with RJ11 ports use a 6-position RJ11 connector. The middle 2 positions (3 and 4) are used
as follows:
Pins not listed are not used.
Note
Analog Port Pinout
Pin
Signal
3
Ring (-)
4
Tip (+)
1 • Quick Start
16
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