The USB port on the back of China Telecom's IPTV set-top box is mainly used for the set-top box system upgrade and other operations, and can be directly connected to a USB flash drive or removable hard disk.

USB is an external bus standard that regulates the connection and communication between computers and external devices.USB ports are hot-swappable.USB ports can be connected to a variety of peripherals, such as mice and keyboards.

The TV plus set-top box as the main terminal equipment, to provide users with live TV programs, on-demand special, back to watch and rich interactive integrated services value-added services.

Expanded Information:

TV Features

1. Although many TVs are equipped with USB ports, the functions that can be realized after connecting a storage device through a USB port are not quite the same. Some TVs only support playing pictures from USB storage devices, while others can play music files and videos in some specific formats.

2, USB playback capabilities, the current domestic TV in the USB playback capabilities are relatively excellent, H.264 encoding and RM / RMVB format HD video can generally be played smoothly, the effect is still a gap than the high-end high-definition player, but also enough for the average user to use.

Baidu Encyclopedia - Set-top Boxes