Special Features:

Flush mounted to fit standard 19 in rack; interoperable with model 1280 a/m frederick elect modem; input voltage 115/230 vac, 12 volts to 24 volts dc; 1 or 2 channelec modulator; operative fsk mode with shift from 60 to 200 hertz; operate fek mode with shift from 60 to 3000 hz, temp 0 degrees to 50 degrees c; humidi type 90 pct

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.