Connecting the laptop network requires the router to connect directly to the fiber-optic cat surface to establish a dial-up connection. Mobile phone pad uses line signals, and it needs a line router to buy lines. The cable cat LAN is connected to the WAN port of the network cable router, and the computer is connected to the router with the network cable. The sticker on the router surface prompts any LAN port to enter the gateway address and enter the routing management. First, set the WAN to find the network parameter surface WAN setting, select PPPOE to enter the desktop connection account password, and save the set line name password.