[Milsurplus] Need RT-91/ARC-2 connector pinout

[David Stinson]

----- Original Message ----- 
From: "WF2U" <wf2u at starband.net>
Subject: [Milsurplus] Need RT-91/ARC-2 connector pinout


> I managed to find the mating plug for the radio above.
>.... I need the pinout of the connector...

Sorry to take so long- been tied up.

Pin outs for the ARC-2 connector:

+ 24 VDC  pins 1 and 17

Ground, - 24 VDC  pins 9 and 16

Power control relay; ground to turn unit on, pin 4.

External microphone, pin 3.

External key, pin 11.

Sidetone out, pin 12.

External sensitivity control,  k-Ohm pot to ground, pin 20.

Pins 6, 7, 8, 14, 15, 22, 23, 24 used in external channel selection.
Pins 2, 13, 21 no connection.