Tom thanks, ultimately the problem was that the volume of the output of the radio to the sound card needed to be raised.
Frank

-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]] On Behalf Of Tom Fowle
Sent: Monday, November 2, 2015 10:45 PM
To: [log in to unmask]
Subject: Re: Hooking up a TMV71 to echolink

Frank,
It would seem likely that the din labled "PC" would go to the computer's serial port, and the "data" to the sound card audio jacks.

Tom Fowle

On Mon, Nov 02, 2015 at 05:37:25AM +0000, Frank Ventura wrote:
> John, thanks that is where I am stuck right now. I cant find any 
> documentat= ion as to which DIN jack has the PTT and which has the 
> audio. The labels do= n't give any hints.
> Frank
> 
> -----Original Message-----
> From: For blind ham radio operators 
> [mailto:[log in to unmask]] = On Behalf Of John J Jacques
> Sent: Sunday, November 1, 2015 7:51 PM
> To: [log in to unmask]
> Subject: Re: Hooking up a TMV71 to echolink
> 
> Hi Frank, I am not familiar with those cables, but the one with 2 3.5 
> MM ja= cks are your audio in and out, wich would plug in to your 
> soundcard, line-i= n and audio out.  The other cable with the DB9 
> connector is for push to tal= k.  The cable must have the interface 
> already in it, as that is what you ne= ed from the db9 to key your 
> ptt.  You need to find out wich din connector h= as the audio signals 
> on it, and wich one has the ptt connection.  Hope this=  helps!
> 
> 73:
> John, echo link node, KD8PC-l, node number, 91232