Patent ID: 6198745
Filing Date: 2001-03-06
Classification: H04L,H04Q

Abstract:
An asynchronous transfer mode (ATM) based very-high-bitrate digital subscriber line (VDSL) communication system for providing alarm services between an alarm service provider and a subscriber, the ATM based VDSL communication system comprising:an ATM network connected to the alarm service provider;a host digital terminal connected to the ATM network by an ATM permanent virtual circuit, the ATM permanent virtual circuit being supported on a fiber optics link, the host digital terminal and the alarm service provider communicating alarm signals on the ATM permanent virtual circuit through the ATM network;an optical network unit connected to the host digital terminal by the fiber optics link;a customer provided equipment (CPE) data device connected through the optical network unit to the host digital terminal by a VDSL permanent virtual circuit, the VDSL permanent virtual circuit being supported on the fiber optics link between the host digital terminal and the optical network unit and a twisted pair link between the optical network unit and the CPE data device, the CPE data device and the host digital terminal communicating the alarm signals on the VDSL permanent virtual circuit; anda subscriber terminal unit connected to the CPE data device for communicating the alarm signals with the CPE data device;wherein the host digital terminal connects the ATM permanent virtual circuit and the VDSL permanent virtual circuit to communicate the alarm signals between the alarm service provider and the subscriber terminal unit.