The present invention establishes a communications link between a central office (CO) modem and a customer premise equipment (CPE) modem. The CO modem then evaluates the performance of the communications link. Impairments on the communications link are identified based on the evaluation results. Next,...http://www.google.de/patents/US6782082?utm_source=gb-gplus-sharePatent US6782082 - Method and system for reducing cross-talk and avoiding bridged taps
