[GreenKeys] Phone connection for telegraphing

[Jeffrey D Angus]

KD7JYK DM09 wrote:
> How did the fellow on the other end receive the signals and dump
> the audio into the pphone jack on his end and have text show up
> on the screen?
>
> What is the trick to get modems to send and receive blindly in
> simplex mode???
That was the beauty of it, and why there was an "Answer" and Originate"
mode.
One pair of tones for originate, and one pair of tones for answer. No
clocks, or
timing, shift registers no nothing, data -> tone -> wire -> tone -> data.

Jeff


-- 
“Egotism is the anesthetic that dulls the pain of stupidity.”
Frank Leahy, Head coach, Notre Dame 1941-1954

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