Re: Question about Telex
The Telex network as such was shut down some years ago. There is now a Swiss company that use the term but basically it is an email system working over the Internet.
Originally it used 80v+ and 80v- for signalling. In later years (1980's) there were PC based setups with a modem that worked back to the Telex exchanges. I worked for Plessey at the time and we used to maintain the setups - a modem, printer, control unit, VDU & keyboard.
Be interesting to see what the unit was used with?
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