Patent ID: 6484317
Filing Date: 2002-11-19
Classification: H04H

Abstract:
A method for communicating data messages in a CATV system comprising the steps of:receiving data messages from data message subscribers coupled to service lines extending from a service site in a CATV system; routing said data messages received from a data message subscriber in said CATV system coupled to one of said service lines extending from said service site to another data message subscriber in said CATV system coupled to another one of said service lines extending from said service site; and routing said data messages having a destination address not corresponding to one of said data message subscribers in said CATV system coupled to one of said service lines extending from said service site onto a spectrum of a return cable coupled to at least one of a headend and a distribution hub of said CATV system so that said data messages for said data message subscribers not coupled to one of said service lines extending from said service site in said CATV system are isolated from said data messages being sent to said data message subscribers coupled to one of said service lines extending from said service site in said CATV system.