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Data Set 203 a New High-Speed Voideband Modem

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2 Author(s)
Holzman, L.N. ; Bell Telephone Laboratories ; Lawless, W.J.

The Data Set 203 permits the offering of a new Bell System service for voice-channel data transmission. The design is highly flexible and provides, by means of equipment options, the maximum voiceband data rates now practical over the telecommunications network. This paper describes the data set and discusses the theory of operation. The performance of the set at various data rates is also discussed.

Published in:

Computer  (Volume:3 ,  Issue: 5 )