A system for controlling transceivers based on a location of the transceivers, as indicated by a location indicator, helps to reduce crosstalk interference in signals transmitted from central offices. The system utilizes a location indicator and logic. The location indicator is communicatively coupled...http://www.google.com/patents/US7471931?utm_source=gb-gplus-sharePatent US7471931 - System and method for controlling transceivers based on a location indicator