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Step 6: Check that the message “This device is working properly” is
displayed. If the driver is shown as not working properly, remove it
and then re-install and reconfigure the driver.
Problem 3: The client programs successfully open the COM port, but fail to
access the device.
Solution 3: Check the power supply and wiring (RS-232: RXD, TXD; RS-485:
D+, D-; GND) of the device.
i-7540D CAN-Ethernet Gateway User’s Manual (Version 1.4, April/2008)
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