... is a communication port conversion module of USB<->RS232, USB <-> RS485, USB<->LINK (Smartgen special). It’s power is supplied by USB on PC (the ... find out “USB serial port (COMx)” (x is a digit from 1 to 16). Now disconnect the USB data line that ... , open the HGM6300 test software, according the following setting, select the COM port on HGM6310/6320 is same as “USB Serial Port” on Computer Management ...