• Directory of Internet terms
  • Dsl — Acronym for Digital Subscriber Line or Digital Subscriber Loop, often referred to as xDSL. It refers to several new digital technologies for fast two-way data connections over ordinary telephone lines. Rockwell announced a new Consumer DSL or CDSL technology in October 1997, which offers speeds up to 1MBps. US West introduced RADSL. The other technologies offer speeds up to 8 times as fast as that, but require more complicated installation. Rolloout has been slow, but it is spreading rapidly now. See ADSL.