Appendix A: Technical specifications
98-140012-H Interfaces specifications 137
Phone interface
Connector pin-out
Specifications
Pin Function
1NC
2Tip
3Ring
4NC
1234
RJ-11 Connector
Female (Receptacle)
Item Specification
Connector type RJ-11, female
Impedance User selectable in web interface, EURO is default.
• EURO: 270 Ohm + 750 Ohm / 150 nF, or
• USA/ Canada/ Japan: 600 Ohm
Max. cable length 100 m / 80 Ohm
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