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4. To correct it, please follow the instructions below:
Double click the port you need to change. In this case, it is COM5.
COM5 is the 1
st
port of these USB serial ports so the “Location:” should
be “on USB Serial Converter A”. Please assign this serial port to COM3.
(COM4 for the USB Serial Converter B).
Change to COM3
Location Informati
on