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・ Digrammia irrorata
・ Digrammia ocellinata
・ Digrammia subminiata
・ Digraph
・ Digraph (orthography)
・ Digraph realization problem
・ Digraphia
・ Digraphs and trigraphs
・ Digras
・ Digras (Vidhan Sabha constituency)
・ Digrauta
・ Digression
・ DigRF
・ Digri
・ Digri railway station
Digroup
・ Digru
・ Digré
・ Digs
・ DigSin
・ Digswell
・ Digswell Arts Trust
・ Digswell House
・ Digswell Park
・ Digswell Viaduct
・ Digte
・ Digu, Ghana
・ Diguan Pigot
・ Diguanidinobutanase
・ Diguanylate cyclase


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Digroup : ウィキペディア英語版
Digroup

Digroup is an abbreviation for digital group. In telephony, a basic digital multiplexing group.
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 Mbit/s, supporting 24 voice channels or their equivalent in other services.
In the E-carrier 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 Mbit/s, supporting 30 voice channels or their equivalent in other services.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Digroup」の詳細全文を読む



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