Special Features:

Fully programmable card that supports tactical communications; 2 half-duplex channels; data rates: analog - 12000 bps 1200/2400 tone pairs, digital synchronous interface - up to 16 kbps using rs-232 signal levels, asynchronous interface - up to 16 kbps, x.21 interface - up to 16 kbps; fully compatible with avionics version of idm; can be used as a ground station for idm integration

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.