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DSL - Digital Subscriber Line

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Definition: DSL is a high-speed Internet service like cable Internet. DSL provides high-speed networking over ordinary phone lines using broadband modem technology. DSL technology allows Internet and telephone service to work over the same phone line without requiring customers to disconnect either their voice or Internet connections.

DSL technology theoretically supports data rates of 8.448 Mbps, although typical rates are 1.544 Mbps or lower.

DSL Internet services are used primarily in homes and small businesses. DSL Internet service only works over a limited physical distance and remains unavailable in many areas where the local telephone infrastructure does not support DSL technology.

Also Known As: Digital Subscriber Line, ADSL, SDSL
DSL - Related Terms

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