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8.
Select uninstall and be sure to click the box for “Delete the driver software for this device” in the next window
and press “OK”.
Note:
if you have more than one USB Serial Converter installed in your PC, you need to repeat step 7 and step 8 to
delete the driver software for all devices.
RS-422 Signal Pin-outs of DB-9 Male
Pin 1
TxD- (A)
Pin 2
TxD+ (B)
Pin 3
RxD+ (B)
Pin 4
RxD- (A)
