Teletype Model 28

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Teletype Model 28
Manufacturer Teletype
Model Model 28
Introduced 1951
Discontinued 1960
Interface 60 mA current loop
Baud Rates 45.5
Character Modes
Attributes Normal

The Teletype Model 28 was introduced in 1951 and designed to be used in continuous operation, being of very rugged construction. It used 5-level baudot code for communication over a current loop interface. It was also available in a receive only (RO), and automatic send/receive (ASR) configuration.[1]