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Chapter 12: Firmware Upgrade
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5. Click Next.
6. If a Hardware Installation dialog appears, click Continue Anyway to
continue the driver installation.
7. Click Finish to complete the driver installation.
To check the COM port number
After connecting the USB-to-RS485 cable to the PC and installing the
driver, the PC assigns a COM port to it. This port number is
indispensable for the firmware upgrade. Therefore, follow the procedure
below to retrieve the port information.
1. Choose Start > Control Panel > System. The System Properties
dialog appears.
2. Click the Hardware tab.