See also: Asymmetric DSL, Digital Subscriber Line, High Speed DSL, Very High-Speed DSL
CIMM DEFINITION: Similar to High Digital Subscriber Line, SDSL is an HDSL variation that is rate adaptive, uses one cable pair and is offered in speeds from 144 Kbps to 1.5 Mbps. Like HDSL, SDSL does not share lines with analog phones. (Source: PC