DSL - FAQ Qwest
How does DSL work
DSL Highspeed Internet Access
DSL maximizes the bandwidth capacity of copper phone lines currently used for
traditional telephone service. By utilizing higher frequencies, DSL can achieve
greater data rates on the same copper line. In order to transform a telephone
line into a high-speed data line, DSL equipment must be installed on both ends
of the line - at the customer premises and the local telephone central office.
