1. First, see the interface behind the router or optical cat. The letters wan are the external network port and lan are the internal network port.
< br >
2, prepare a network cable, if the operator provides light cat, one end of the network cable is inserted into any lan port of the light cat, the other end is inserted into the wan port of their wireless router; If the operator has only one network cable to enter the home, then directly plug this network cable into the wan port of your wireless router.
< br >
3, prepare another network cable, plug one end into any lan port of the wireless router, and plug the other end into your laptop or desktop computer. At this point, the physical line connection is complete. As long as your wireless router is configured with the account and password for dial-up Internet access, the wireless network SSID and password are configured, you can use wifi.