Encyclopedia > Digroup

  Article Content

Digroup

Digroup: Abbreviation for digital group. In telephony, a basic digital multiplexing group.

Note 1: In the North American and Japanese T-carrier digital hierarchies, each digroup supports 12 PCM voice channels or their equivalent in other services. The DS1 line rate (2 digroups plus overhead bits) is 1.544 Mb/s, supporting 24 voice channels or their equivalent in other services.

Note 2: In the European hierarchy, each digroup supports 15 PCM channels or their equivalent in other services. The DS1 line rate (2 digroups plus overhead bits) is 2.048 Mb/s, supporting 30 voice channels or their equivalent in other services.

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
Wheatley Heights, New York

... 4.15% from other races, and 3.73% from two or more races. 11.67% of the population are Hispanic or Latino of any race. There are 1,455 households out of which 43.6% ...

 
 
 
This page was created in 36.6 ms