ATIS Telecom Glossary
Tuesday, September 02, 2014

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data service unit (DSU)
A device used for interfacing data terminal equipment (DTE) to the public telephone network. 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.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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