Definitions for "Digroup"
Keywords:  pcm, multiplex, telephony, tdm, basic
A basic group of PCM channels assembled by time division multiplexing (TDM). Usually derived from 1.544-Mbps PCM-multiplex equipment.
Abbreviation for digital group. In telephony, a basic digital multiplexing group. Note 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 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.
Digroup is an abbreviation for digital group. In telephony, a basic digital multiplexing group.