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A very-high-speed digital subscriber line (VDSL) is a DSL technology that transmits high amounts of data over a short distance extremely rapidly. VDSL transmits data at rates up to 55Mbps, which is extremely fast compared to the 8 to 10 Mbps maximum speed that the widely-used ADSL technology can handle. The speed of your VDSL connection depends on distance, so shorter VDSL cables provide a quicker connection than long VDSL cables.
VDSL is fast enough for things like digital television and video on demand. Like ADSL, VDSL connects through your phone line. VDSL uses a multiple-carrier system based on Discrete Multitone (DMT) technology, which has 247 channels in each line. As you use ... more