TRS-80 Model 100: Phone port pinout

From: Tom Jennings <>
Date: Sat Feb 5 11:42:11 2005

On Fri, 4 Feb 2005, Tom Owad wrote:

> 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?

The trash(1) 100/200 modem has a known and serious fault; it
forget the details but it doesn't do 103A correctly, and rarely
connects properly to modern multi-protocol modems. YMMV.

(1) said "trash" vs. TRS is merely a linguistic pun; the 100 and
200 are fine machines.
Received on Sat Feb 05 2005 - 11:42:11 GMT

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