data service unit (DSU)

data service unit (DSU): 1. A device used for interfacing data terminal equipment (DTE) to the public telephone network. (188) 2. A type of short-haul, synchronous-data line driver, usually installed at a user location, that connects user synchronous equipment over a 4-wire circuit at a preset transmission rate to a servicing central-office. Note: This service can be for a point-to-point or multipoint operation in a digital data network.

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996