Use a different serial cable, serial port, and serial device in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup. Make sure that the COM port number is the correct number for the serial device and that the software being used to connect the computer to the serial device uses the correct COM port number.
If the device is listed with an error, follow the instructions on the website to reinstall the drivers. Note: Some serial devices work only if the COM port number is between a certain range.
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Serial - Ethernet Converters. Technical Support, Contacts and Documentation. Tweets by USconverters. Starting in Windows 10, a Windows app can send requests to Usbser.
SerialCommunication namespace. The classes provide functionality to discover such serial device, read and write data, and control serial-specific properties for flow control, such as setting baud rate, signal states. For more information, see:. Configuring a Communications Resource. Communications Reference. Ports Namespace. USB device class drivers included in Windows.
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Any additional feedback? Note If you trying to install a USB device class driver included in Windows, you do not need to download the driver.
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