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(9) Setting up: Connection USB Port
USB ports are provided in the POS unit, two at the rear I/O and two at the side, all of which support the standard
USB 2.0.
Some USB devices (optional devices) are only functional with specific driver software installed.
If multiple USB devices are used together, this may result in abnormal functionality.
Using a USB hub with external adapter for supplying power is recommended.
Dependent on the type of device, it is possible for the USB device to be recognized later than normal.