Access multiplexer

The time of Internet protocol packets the multiplexing access port, Internet protocol packets is welded on each side of access, and Internet protocol packets is conducted between the network device and user equipment. A providing access to port is the output end of the route to the Internet protocol in the direction and routing the Internet protocol router, an access port for the Internet protocol layer on playing Internet protocol destination address or playing Internet protocol destination address routing information protocol a transparent. Between the network device and access port, Ethernet packet AC via the virtual local area network connection, and user equipment and access port, asynchronous transfer mode of grouping through the permanent virtual connection. The access port is a digital user line access port, the network device comprises a second router, user device comprises a client device.