Question: what is the difference between t1 and ds1?
Answer: DS1 is a digital signal level that is part of a standardized hierarchy or building blocks of digital services for TDM (Time Division Multiplexing) digital lines. ... A T1 line multiplexes or aggregates 24 of these DS0 channels into a DS1 with a total bandwidth of 1.536 Mbps. But a T1 line runs at 1.544 Mbps.