User manual

- 3 -
Installation
Driver Software Installation -
1.First connect the USB422A/485A converter into your PC’s USB
port.
2.Insert the USB422A/485A driver software coded at DISK5277 set
up CD into the CD-ROM drive of your computer .The setup program
will begin to run automatically .
3.Then first time you use the Disk5277 , you will need to install the
said disk by twice operations. One is “Universal Serial Bus
Controllers” driver ; the other is COMPORT driver.
1. What do you want Windows to do ?
Select this
Click Next
Select this
2. Select Searching locations for new driver
Click Next
You will be prompted by following screen shots to complete
the task.