Patent ID: 6501790
Filing Date: 2002-12-31
Classification: H04L

Abstract:
An apparatus used in a system for providing communication over a digital channel to couple a first modem on a first network to a second modem on a second network, the apparatus comprising:a modem module that couples to the first modem over the first network, the modem module providing data to the first modem at a data rate determined in part by a modulation rate of the modem module; a digital channel interface module coupled to the modem module, the digital channel interface module including a buffer that receives data from the digital channel and provides data to the modem module; and a control circuit coupled to the buffer and the modem module, the control circuit being constructed and arranged to detect a level of data in the buffer and to modify the modulation rate of the modem module based on the level of data detected; wherein the apparatus is a first apparatus and the digital channel is coupled to a second apparatus, and the digital channel interface module is constructed and arranged to communicate with the second apparatus over the digital channel; and wherein the modem module is adapted to receive automoding signals from the first modem and to transfer the automoding signals to the digital channel interface module, and wherein the digital channel interface module is adapted to send data corresponding to the automoding signal to the second apparatus over the digital channel.