- Abbreviation of digital subscriber line, or digital subscriber loop. digital communications technology and equipment which provides high-speed connections over ordinary copper lines. Most versions of this technology enable the same phone line to be split into two, one for analog voice and the other for DSL data. upstream and downstream data transfer rates can exceed 100 Mbps. There are various versions, including ADSL, DSL Lite, HDSL, and VDSL. Also, such a service.
- acronym for digital subscriber loop
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