Special Features:

Full duplex on 2-wire circuit, 1200 bits per second, analog loop-back, automatic remote digital loop-back, w/cbt data coupler, compatible with 1-channel chassis

Properties:

An item which modulates and demodulates one or more electrical signals. It connects data terminal equipment to a communication line or network such as telephone, radio or telegraph. It may include the multiplexing and demultiplexing circuits, circuit amplifiers and source(s) of carrier frequency. For items designed for light signals, see modem, fiber optic.