Hyper Dictionary

English Dictionary Computer Dictionary Video Dictionary Thesaurus Dream Dictionary Medical Dictionary


Search Dictionary:  

Meaning of PRIMARY RATE INTERFACE

 
Computing Dictionary
 
 Definition: 

(PRI) A type of isdn connection. In North America and Japan, this consists of 24 channels, usually divided into 23 B channels and 1 D channel, and runs over the same physical interface as t1. Elsewhere the PRI has 31 user channels, usually divided into 30 B channels and 1 D channel and is based on the e1 interface.

PRI is typically used for connections such as one between a PBX (private branch exchange, a telephone exchange operated by the customer of a telephone company) and a CO (central office, of the telephone company) or IXC (inter exchange carrier, a long distance telephone company).

 

 

COPYRIGHT © 2000-2013 HYPERDICTIONARY.COM HOME | ABOUT HYPERDICTIONARY