Subject: Re: Audio connector on DEC 3000 models
To: Ken Hornstein <kenh@cmf.nrl.navy.mil>
From: Johan Danielsson <joda@pdc.kth.se>
List: port-alpha
Date: 06/03/1997 19:37:40 
Ken Hornstein <kenh@cmf.nrl.navy.mil> writes:

> Actually, I am pretty sure that it is compatible with a handset.

Yup, it's compatible. From the `Owner's Guide':

Pin	Decription
1	Audio in
2	Audio out
3	Audio out return
4	Audio in return (ground)

/Johan