Software
 
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If methods 1/2 are not available, please follow method 3 in below. 
 
 
Method 3: 
In Firmware Download Software Tool CD, in patch “the location of the driver on your system:\MCU 
Firmware Download Software Tool\USB-232-485-422” click “autorun” icon. After “Driver and User’s 
Guide” interface being promoted, follow method 2 install driver.