4931

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Tektronix 4931
Modem
4931 Modem

Produced from 1977 to (?)

Manuals
  • Please add
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix 4931 is a Bell-compatible modem configurable from 300 baud full duplex to 1200 baud half duplex with supervisor channel, intended for use over unconditioned voice telecom lines with DAA (Direct Access Arrangement).

Pictures