, but this is decreasingly enforced terminology. DSL technology is available in several varieties. See also ADSL, HDSL, IDSL, RADSL, SDSL, VDSL, xDSL. ADSL. Asymmetric Digital Subscriber Line.... A term for one-way T1 transmission of signals to the home over the plain old, single twisted-pair wiring already going to homes. ADSL modems attach to twisted pair copper wiring.... ADSL is often provisioned with greater downstream than upstream rates (hence "asymmetric"). These rates are dependent on the distance a user is from the central office and may...

" (NIC). See also data terminal equipment and network interface card. ADSL Forum. The organization that develops and defines xDSL standards, including those affecting ADSL, SDSL... for full service networks based on ADSL and VDSL. ATM Forum. The organization tasked with developing and defining ATM standards. On the Internet, visit at http://www.atmforum.com...