TRS-80 Model 100: Phone port pinout

From: Tom Owad <>
Date: Fri Feb 4 20:46:30 2005

>Assuming you're wantign to direcectly connect it to a phone line, connect
>the line between 3 and 7, the phone between 1 and 3. There was a socket
>that shorted 1 and 7 that yuo connected in place of the M100 when the
>latter was removed so you could still use the phone.

Thanks. That's what I'm doing, and thanks also to Dave and Roger. 14
AWG copper wire, btw, is a perfect fit.

I'm also thinking about trying to hook it up to my cell phone using the
acoustic coupler mic/speaker pins and the cell phone's 2.5mm headset
connection. Anybody have any thoughts on that?


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Received on Fri Feb 04 2005 - 20:46:30 GMT

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