Quatech USB to RS-232/422/485 Isolated Converter SSU2-400I Operation Manual page 16

G. "System Settings Change" Notice
The massage is notified you that your computer has been changed after
installing of CP210x USB to UART Bridge Driver Installer. The new
setting will take effect after restarting your computer.
H. InstallShield Wizard Complete
CP201x driver has successfully installed and click "Finish" icon for exiting
the wizard.
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