| 释义 |
digroup 数字基群 A digitally multiplexed group of 24 channels. Digroup usually refers to the T1 carrier line signal of 1.544 megabits per second; however, the term also is used to refer to the digital channel bank that provides the 24-channel multiplexing function. 具有24个通道的数字多路传输组。数字基群通常指每秒1.544兆比特的T1载波线路信号, 然而数字基群亦指提供24路通道多路传输功能的数字通道组。 |