Dsl (digital subscriber line)

EN: Dsl (digital subscriber line)


Short for Digital Subscriber Line, telecommunications protocol allowing existing copper phone lines to be used for high-speed transfer of data. Includes ADSL (Asymmetric DSL), SDSL (Single-line DSL), HDSL (High-data-rate DSL), VDSL (Very-high-data-rate DSL). Most common, ADSL, allows for download speeds up to 9 Mbps, upload speeds up to 640 Kbps, commercial performance usually less.
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