ADSL 2
ADSL 2 : (ICT) Asymmetric Digital Subscriber Line. A high-speed digital telephone connection that operates over an existing copper telephone line, allowing the same line to be used for voice calls. ADSL lines offer transmission speed that are usually in the range 2Mbps to 8Mbps, and are used mainly for?Internet?access. The term?asymmetric?is used because the data flows more quickly from the telephone exchange to the user than from the user to the exchange - because most Web users are more interested in receiving data quickly from websites rather than uploading it to websites. The term?symmetric?is used for connections where the data flows at the same speed in both directions, which is essential for accessing websites where there is a high degree of interactivity. See:?Broadband, SDN, Kbps, Leased Line,?Mbps
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