ADSL:: Asymmetric Digital Subscriber Line (ADSL) is a technology for transmitting digital information at a high bandwidth over existing phone lines to homes and businesses. Asymmetric DSL consists of modems installed in the exchange and customer premises attached by twisted pair copper wiring that can transmit from 1.5Mbits/second to 6.0Mbits/second downstream (to the subscriber) and from 16 Kbits/second to 800 Kbits/second upstream, depending on line distance.

ASYMMETRIC:: Where the downstream bit rate differs as compared with the upstream bit rate.

BANDWIDTH:: The maximum amount of data that a network cable can carry, measured in bits per second (bps).

CPE:: Customer Premise Equipment: where telephone and other service provider equipment is installed at the customer premises and connected to the network of the service provider.

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