Difference between revisions of "DSL Broadband Internet Service"
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Revision as of 13:13, 11 August 2012
DSL, Digital Subscriber Line, is a high-speed Internet service 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.
terminology
DSL - Digital Subscriber Line ADSL - Asymmetric Digital Subscriber Line CO - Central Office (service provider) DSLAM - DSL Access Multiplexer PSTN - Public Switched Telephone Network FDM - Frequency Division Multiplexing POTS - Plain Old Telephone Service CAP - Carrierless Amplitude Phase DMT - Discrete MultiTone QAM - Quadrature Amplitude Modulation DWMT - Discrete Wavelet MultiTone R-ADSL - Rate-Adaptive Digital Subscriber Line HDSL - High Bit-Rate Digital Subscriber Line VDSL - Very High Bit-rate Digital Subscriber Line
