One network cable is connected to the optical modem from the network socket in the living room, and

Hello, first of all, thank you for your attention and support to China Telecom. According to your description, if your original broadband cat is a single-port cat and you need to replace the broadband cat when installing ITV, if the original broadband cat is a telecom gift or paid a deposit to rent, it will help you replace it for free. >>>More

In the network layout, it must be connected like this, the external line is connected to the optical modem, which is a must, and then connected to the line from the optical modem (can also be replaced by a wireless router), this is the main route, and then the network cable of each room interface is connected to this line, so that the network cable interface at home has a network, and your wireless router can be plugged into any interface at home. In this way, you are not afraid of the problem of bad WIFI signal. >>>More

With routing, your network cables are sent out from the route, no matter where you connect, you don't need to dial up, this dial-up Internet is set in the route. The router helps you automatically dial up and automatically connect to the network, and you can go to the Internet when you turn on your phone.

Buy the right power cat. Plug one into the router and one in the desktop socket. Transmission network via wires. No network cable is required. Where there is electricity, there is a network.

If you don't use a router, then use a computer as the host, and other extensions can also share the network.