1. The uninterruptible power supply itself has a plug, which is a plug connected to the mains power, and can be connected to the mains power at home. On the back of it, we can see that there are three power sockets, of which the two on the left are its output ports, that is, the output power is used to connect external devices, such as a computer host and a computer monitor.
2. The two sockets on the back of the uninterruptible power supply can not only connect directly with the equipment, but also connect the plug-in row. When connecting some equipment to the plug-in row, such as computers or other electrical appliances. Although it can be connected to plug-in banks and more devices, it also depends on the power of the uninterruptible power supply. This cannot be overloaded, which will not play a protective role and will affect its service life.
3. Some uninterruptible power supplies also have sockets for connecting printers, which can be directly connected to printers; In addition, it also has a fuse, which can play a protective role in case of overload. If you find that the uninterruptible power supply can not work normally, you need to see whether its fuse is burnt out; After connecting the sockets at the back to the line, look at the front of it. It has three indicator lights, namely, the indicator lights of fault, battery and mains power.
