DSL(redirected from HDSL)
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Any of various technologies used to create high-bandwidth network connections over standard telephone lines, often in providing internet service to homes.
[d(igital) s(ubscriber) l(ine).]
(Telecommunications) digital subscriber line
Digital Subscriber Line: a technology that allows high-speed transmission of data, audio, and video, usu. over standard telephone lines; a form of broadband transmission.