TRS-80 Model 100: Phone port pinout

[Tom Jennings]

On Sat, 5 Feb 2005, Roger Merchberger wrote:

The problem is that the TRS 100 and TRS 200 modem isn't a real
103A, it takes some shortcut in the protocol and
many/most/some/etc answering modems won't connect with it.

Clearly, the real answer is to try and see what happens!

This problem manifested back in the 2400 baud days.




> In the Army, I'd gotten 300 baud to work with acoustic couplers using some 
> crypto equipment I can't tell you about -- over military FM radio! (the big 
> honkin' ugly noizy bastages...) It took three tries, but it worked -- 
> everyone I talked to said I'd never make it work. ;-)
>
> [[ That's usually the best way to get me to do something... ;-) ]]
>
> With a direct link into the phone (thereby avoiding a lot of noise) I would 
> be surprised if it didn't work... assuming you have someone/something on the 
> other end that could correctly interpret the 300 baud signal.
>
> But those are just my random thoughts... Laterz,
> Roger "Merch" Merchberger
>
> --
> Roger "Merch" Merchberger -- SysAdmin, Iceberg Computers
> zmerch at 30below.com
>
> What do you do when Life gives you lemons,
> and you don't *like* lemonade?????????????
>


Tom Jennings <tomj at wps.com>