Network communication device

The utility model relates to a network communication device, including the primary server and workstation, the primary server passes through communication module and establishs the LAN communication with the workstation and be connected, communication module is including being used for establishhing the self -adaptation HUB module that the LAN communication is connected between the primary server and the workstation, and the conversion module who is used for realizing that the signal communication is changed between the primary server, workstation and the self -adaptation HUB module, the primary server and workstation are respectively through conversion module and self -adaptation HUB module signal connection. Network communication device, adopt the signal transmission between conversion module and self -adaptation HUB module completion the primary server and the workstation, its convenient operation is swift, has improved communication network's transmission rate, has made things convenient for communication network's preparation and maintenance.