Special Features:

Asynchronous transmission; data rates up to 9.6 kbps; full duplex; transfers control signals in-band (indepenent of carrier); transmission range up to 7.5km (4.7 miles); transfer isolated; dce/dte switch; independent user-selectable data flow for each direction; 25-pin male connector

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.