4931
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).
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).
| Tektronix 4931 | |
|---|---|
 Produced from 1977 to (?)
Manuals
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