21 Feb
2003
21 Feb
'03
7:32 a.m.
George writes:
Hi, I have just bought a nice clean TELEX machine,
it's a TTY-32,
5-level coding,
with what looks like a phone line hookup, dial-type phone.
I wonder if anybody knows what the modem standard is for this, and/or
any phone number I could call to test this thingy out!
Some really old neurons fired and suggest that Telex used FSK similar
to Bell 103, but with the frequencies transposed. But I could be
completely wrong.