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ADSL (asymmetric digital subscriber line) - GovITwiki

ADSL (asymmetric digital subscriber line)

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ADSL allows cable TV; video; telephony and other multimedia services to be sentover voice-grade twisted-pair cable carrying from *5 megabits per second (Mbps) to8 Mbps downstream; and from 16 kilobits per second (Kbps) to 640 Kbps upstream(hence the designation "asymmetric"); over distances ranging from two to sixkilometers without the use of repeaters. ADSL uses adaptive digital filtering; whichadjusts to compensate for noise and other problems on the line.

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