ELECTRONIC EQUIPMENT UNIT, PRINTING UNIT, AND CONNECTION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an electronic equipment unit capable of reducing the use of outlets of an AC power to one outlet when the electronic equipment and a USB hub device such as a printer operating on a DC power supply power are used.SOLUTION: A printer 2 of a printer unit 1 includes: a USB downstream port 24d; and a power supply input part 80 for receiving a supply of a DC power supply power. A USB hub device 3 is connected to the USB downstream port 24d, and includes: a power supply input part 97 for receiving the supply of a DC power supply power from the outside; a power supply output part 98 for outputting the power supply power supplied to the power supply input part 97 to the printer 2; and a power supply part 99 for converting the supplied power supply power into an output power of a set voltage so as to be supplied to a USB downstream port 51b. The DC power supply power is supplied to a power supply input part 80 of the printer 2 from a second power supply input part 97 of the USB hub device 3.