The 5150 had a cassette port!
. . . The 5160 no longer had the cassette port.

On Mon, 30 Jan 2023, Paul Berger via cctalk wrote:
The cassette port on the 5150 could also be used as a Telecommunication Device for the Deaf (TDD) many years ago I made up a ISA bus card with the same function as the cassette port for a gentleman that wanted to move on from a 5150 but still needed the cassette port for a TDD device.

Interesting!

Was that stand-alone and compatible with the ordinary TDD/TTY units?
(and coupled to a modem)
Or was that solely for communicating with other 5150s?

Or was that to use the 5150 as a KSR terminal for a TDD/TTY handling the POT communication?

--
Grumpy Ol' Fred                 [email protected]

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