Patent ID: 6829252
Filing Date: 2004-12-07
Classification: H04L

Abstract:
A Digital Subscriber Line Access Multiplexer (DSLAM) apparatus for use in an Ethernet over Very high speed Digital Subscriber Line (VDSL) transport facility, said DSLAM connected to a plurality of Customer Premise Equipment (CPE), each CPE connected to said DSLAM via a separate VDSL channel, comprising:a plurality of channel circuits, each channel circuit corresponding to a channel and comprising: an Ethernet bridge adapted to encapsulate entire Ethernet frames within High level Data Link Control (HDLC) frames and to extract Ethernet frames from HDLC frames received over said VDSL transport facility; a VDSL transceiver adapted to transmit HDLC frames over said VDSL transport facility, wherein HDLC frames are transmitted over said VDSL transport facility without regard to VDSL transmit and receive start of cell (SOC) signals; an analog front end operative to provide a line interface to a VDSL channel; an Ethernet switch having a plurality of ports, each port coupled to a channel circuit; an Ethernet port coupling said Ethernet switch to an external Local Area Network (LAN); a processor; and software means operative on said processor for controlling said plurality of channel circuits, said Ethernet switch and said Ethernet port.