The power supply is plugged into the socket, and the set-top box is connected to the hdmi interface of the TV through an hdmi cable. When the set-top box is turned on, it will enter the operation interface and set up the network connection according to your actual situation.

Set-top box (STB), usually refers to set-top box or set-top box, is a device that connects TV set with external signal source. It can convert the compressed digital signal into TV content and display it on TV.

Signals can come from cables, satellite antennas, broadband networks and terrestrial broadcasts. In addition to images and sounds that can be provided by analog TV, the set-top box also receives digital content, including electronic program guides, Internet pages, etc. It enables users to watch digital TV programs on existing TV sets and conduct interactive digital entertainment, education and business activities through the network.

Set-top box should provide two interactive functions: interactive content selection and content interactive control. The interactive content selection function supports interactive processes, such as selecting content by using the portal navigation menu, performing program retrieval and interacting authentication information with the authentication system of the business platform. The content control function mainly aims at the interactive control command between the set-top box and the IPTV service platform, and realizes the control of content information when the on-demand service is performed.