TH-1

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TH-1.TCC-1.jpg

The Telegraph Terminal was terminal equipment for use in obtaining a full-duplex teletypewriter channel from a telephone circuit, while retaining the use of the channel for speech transmission. Its use resulted in a slight reduction in the quality of the voice channel, and a reduction of 10 to 15 percent in the maximum talking range of the circuit. The equipment might be operated from 115/230 volt ac, or from a 12 volt storage battery.

Reference File

  • TM 11-2206