What is ADSL

1.

Asymmetric Digital Subscriber Line (Asymmetric DSL). By using a technology that adds high-speed data communications to a standard telephone line, asymmetric downstream (e.g., from the Internet to a computer) and upstream (e.g., from a computer to the Internet) speeds are possible. Learn more in: Development of a University Networking Project

2.

Asymmetrical digital subscriber line (ADSL) uses existing copper wire telephone lines to deliver a broadband service to homes. It is one of the most viable forms of digital subscriber lines due to its effectiveness over distance, that is, it does not require the user to be as close to an exchange as other forms of DSL. Asymmetric refers to the fact that it provides a faster downstream (towards the consumer) than upstream (towards the exchange) connection. Learn more in: Broadband Solutions for the Last Mile to Malaysian Residential Customers

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Asymmetric Digital Subscriber Line. Learn more in: Test Template for Data Mining Publications

4.

ADSL (Asymmetric Digital Subscriber Line) allows voice and data to be sent simultaneously over the existing copper-based telephone line (ITU-T Recommendation G.992.1), with speeds up to 6Mbps downstream and 640Kbps upstream. In July 2002, the ITU completed G.992.3 and G.992.4, two new standards for ADSL technology collectively called “ADSL2”, allowing for a maximum 12Mbps downstream speed and 1.3Mbps upstream. In January 2003, a new standard called ADSL2+ (ITU G.992.5) doubled the bandwidth used for downstream data transmission, achieving rates of 20 Mbps on phone lines as long at 1,5Km. Learn more in: Next Generation Access Networks and their Regulatory Implications

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Standing for asymmetric digital subscriber line, it is a technique for transmitting large amounts of data rapidly on twisted pairs of copper wires, with the transmission rates for downstream access much greater than for the upstream access Learn more in: Extracting More Bandwidth Out of Twisted Pairs of Copper Wires

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Asymmetrical digital subscriber line. Learn more in: ADSL2+ Technology

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Asymmetric digital subscriber line. This is the most used form of DSL. Learn more in: Exploring SMEs Adoption of Broadband in the Northwest of England

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Asymmetrical digital subscriber line. Learn more in: Broadband Policy, Market Competition, and User Adoption in Taiwan