Internet service providers who offer xDSL provide DSL variations such as ADSL, HDSL, and RADSL. A DSL line can carry both data and voice signals. The data part of a DSL line is connected continuously.
There are many types of xDSL chips. Examples include SDSL, HDSL, and ADSL. SDSL is a single-line version of HDSL, transmitting T1/E1 signals over a single twisted pair, and able to operate over the ...