Encyclopedia > Primary rate interface

  Article Content

Primary rate interface

In telecommunication, a primary rate interface (PRI) is an integrated services digital network (ISDN) interface standard (a) that is designated in North America as having a 23B+D channels, (b) in which all circuit-switched B channels operate at 64 kb/s, and (c) in which the D channel[?] also operates at 64 kb/s.

Note: The PRI combination of channels results in a digital signal 1[?] (T1) interface at the network boundary.

Source: from Federal Standard 1037C



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
North Haven, New York

... race. There are 337 households out of which 19.6% have children under the age of 18 living with them, 54.9% are married couples living together, 5.6% have a fema ...

 
 
 
This page was created in 22 ms