Patent ID: 6650649
Filing Date: 2003-11-18
Classification: H04B,H04J,H04L,H04Q,H04W

Abstract:
An extension system for expanding the number of interface modules that interface with a communications system comprising:a communications terminal including a first multi-transport mode bus, wherein the first multi-transport mode bus carries signals comprising a plurality of transport mode signals; a plurality of interface ports coupled to the first multi-transport mode bus; a first extension interface module coupled to one of the plurality of interface ports, wherein the first extension interface module converts the transmission format of the signals to a transmission format of an extension communications link; the extension communications link coupled to the first extension interface module, wherein the extension communications link functions as an extension of the first multi-transport mode bus; a second extension interface module coupled to the extension communications link; an extension unit coupled to the second extension interface module containing a second multi-transport mode bus, wherein the second multi-transport mode bus carries the signals; and a plurality of expansion interface ports coupled to the second multi-transport mode bus of the extension unit.