Quatech USB to RS-232/422/485 Isolated Converter SSU2-400I - Manual (Page 17)

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Hardware Installation & Setup
Hardware Installation
1. Power on your computer and until OS is ready after booting
2. USB cables have two distinct connectors. The Type A connector is used to
connect the cable from a USB device to the Type A port on a computer or USB
hub. The Type B connector is used to attach the USB cable to a USB device.
3. Connect USB cable between a PC USB port (Or USB hub) and this converter’s
type B USB port.