TELECOM Digest OnLine - Sorted: Converting 4-Wire Autovon Phone to 2-Wire

Converting 4-Wire Autovon Phone to 2-Wire

Scott Norwood (
Fri, 17 Jun 2005 17:05:19 UTC

It seems that I am now the proud (?) owner of an ex-military 3568
Autovon phone. I would like to convert it to work on a standard
2-wire POTS line. This particular one is a 1A2-type 6-button set,
with a 50-pin Amphenol connector on the end of the cable. Is there an
easy way to do this (preferably using the network from a 2500 set or
other easily obtainable parts) without actually modifying the innards
of phone itself? Connecting pins 1 and 26 to tip and ring allows
listening and dialing on line 1, but (obviously) doesn't allow
transmitting speech. Ideally, I would like the phone to ring, but
that isn't necessary. I don't care about whether the button lights or
hold function work.

If anyone has the full pin configuration for this phone, I would be
very interested. It looks like there is a buzzer and potentially
other fun stuff inside it.

Thanks for any suggestions.

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