Patent ID: 7085283

Claim:
A DSL transceiver comprising: a receive section that receives a DSL signal from a DSL channel when the DSL transceiver is connected; a transmit section that transmits a DSL signal to the DSL channel when the DSL transceiver is connected; a controller that detects whether the DSL transceiver has not received valid data over the DSL channel for a first predetermined period of time indicating an idle period and detects expiration of a second period of time triggering an end of the idle period; and a selective processing subsection of the receive section that omits at least some of the processing for reception of valid data from the DSL channel when the controller detects that the DSL transceiver has not received valid data over the DSL channel for the first predetermined period of time and resumes operation of the omitted processing when the controller detects expiration of the second period of time.