Mike's PBX Cookbook

2016S Shumway wiring

M2016S have a relay circuit to disconnect the handset when on-hook, and require
an external power supply to function, eg: Shumway SBI-217-25 (42VDC @ 300mA).

RJ-11 / RJ-12

RJ-45

adapter RJ11 adapter RJ45
adapter schemetic RJ11 adapter schemetic RJ45

1 - Shumway (White)
2 - n/c
3 - Ring
4 - Tip
5 - n/c
6 - Shumway (Blue)

Shumway is not polarity sensitive,
but remember the phone is!

1 - n/c
2 - Shumway (568B:Orange*)
3 - n/c
4 - Ring
5 - Tip
6 - n/c
7 - Shumway (White-Brown)
8 - n/c

*568A:White-Brown & Green

RJ11 RJ45

Additional Information


M2016S Secure Set Connections.


M2016S Shumway Connections.




Configuration of plug-in transformer.

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