Re: History of Hayes Modem

As to other comments in this thread:

> 1) Dial up modems were available well before 1973, at least as earlier > as 1968 as part of Teletype time sharing terminals. These were > automatic in the sense they would answer a ringing phone line and > connect up and disconnect and power down upon completition. They > could remotely start/stop different tasks, like the paper tape punch > and reader.

Paper-tape reader and punch control was an option of the Teletype, not the modem. It could be used even on direct connections.

- David.Thompson1 at

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Dave Thompson
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