| 摘要 |
A network connection system including a Universal Serial Bus (USB) input/output server device to connect a Personal Computer (PC) terminal or different networks to a plurality of Ethernet/Internet protocol (IP) communication networks is described. The network connection system includes a USB input/output server device connected to a plurality of Ethernet/IP communication networks, and a PC terminal connected to a USB port of the USB input/output server device so as to be connected to the networks. Accordingly, the PC terminal may be connected to the Ethernet/IP communication networks without using a separate network interface card (NIC) in order to communicate.
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