Can you distinguish between the light cats, routers, TV boxes in the home network?

Nowadays, the Internet has entered thousands of households, and the Internet has become an indispensable thing in life. Moreover, with the continuous improvement of the network speed and the development of “light into copper retreat”, most new residential communities and network users have now achieved fiber-to-the-home. In this way, the average network user will have several boxes at home, such as light cats, routers, network TV boxes, etc. Sometimes there is a failure, the user does not know how to distinguish, how to describe them, can not quickly and correctly declare obstacle.

1.Light cat

Light cat is a common name. The modem from the early dial-up era, commonly known as the cat, is called a modem, and turns a digital signal into a device that transmits analog signals over a telephone line. After entering the era of optical network, the optical signal transmitted by the optical fiber arrives at home, and a device needs to be converted into an electrical signal to communicate with the computer, so that there is an optical modem. His interface is usually connected to a fiber by a fiber, and a network cable is connected to the router. Maybe there is another one connected to the TV box.

2.Router

A router is a device that everyone often says. His role is simply to say that it is a device that packages and forwards network data. If it is a wireless router, it is an antenna that turns the network signal into a WiFi device. His upper wan port is connected to a light cat, and generally has four LAN ports. Any one of these four can be connected to the computer through a network cable.

3.TV Box

The TV box, also called IPTV, is also called a network set-top box. It is an intelligent terminal for Android. It can connect to the network at one end and connect to the TV through an HDMI cable at one end.