Packet data transport mechanism

摘要

A communications for interconnecting standard twisted pair loop subscriber lines to a packet network without traditional local digital switches. The packet transport edge vehicle comprises a plurality of access shelves including means for converting synchronous traffic to asynchronous traffic within each line interface circuit. The converted traffic is delivered via high speed packet data links to a data subsystem where the packets are routed to an appropriate end destination either in a packet data network, such as the Internet, or to the traditional public switched telephone network.