Patent ID: 6424636
Filing Date: 2002-07-23
Classification: H04M,H04Q

Abstract:
A digital subscriber line (DSL) transmission system for variably transmitting information data in a plurality of different grades of service supported by a network, said transmission system comprising:a first transceiver, connected to an end of a subscriber loop, for selectively operating in one of a plurality of said grades of services, said first transceiver transmitting signals, at a first transmission rate, over a first range of frequencies, and receiving signals, at a second transmission rate, over a second range of frequencies, in each of said plurality of different grades of service; a second transceiver, connected to said first transceiver via said subscriber loop, for selectively operating in one of said plurality of different grades of service, said second transceiver receiving signals at said first transmission rate over said first range of frequencies, and transmitting signals at said second transmission rate on said second range of frequencies; and a controller connected to said first transceiver for selectively changing grade of service by changing said first transmission rate, said second transmission rate, or both.