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The loopback test fails when you cannot see what you are typing.
Seral you look closely at the female end, the pins should be numbered. Make sure airrlink 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.
Under the appropriate heading, confirm that your USB device is listed and that there isn’t an error. You can test to make sure that the following components are working correctly and are not the source of the issue:.
Everything is hooked up but nothing is working.
What should I do? If the device is listed with an error, follow the instructions on the website to reinstall the drivers.
USB to RS232 DB9 Serial Adapter Cable – M/M
Download the latest drivers from the StarTech. In the list of extracted files, double-click the Setup. To determine the name of the chipset of your USB device, navigate to www.
Click About This Mac.
This product has been discontinued and replaced with: See Proposition 65 Notice. Take a metal paperclip or wire and cross pins 2 and 3. Close the window for the port that you just tested to speed up the testing of the remaining serial ports.
USB to RS DB9 Serial Adapter Cable | USB Serial Adapters |
In the list of extracted files, right-click the Setup. When you can see what you are typing, you know that the COM port is working and you can see which port number the physical serial port is. Once the download is complete, right-click the zip folder that you downloaded, select Extract Alland follow the on-screen instructions.
Use a different serial cable, serial port, and serial device in your setup to see if the problem persists. When you test the serial ports and serial device, it is recommended that you do the following: If the Run as Administrator option is not available, you might be attempting to run the installer from within the zipped file. Cancer and reproductive harm — www.
Follow the on-screen prompts to install the device drivers and restart the computer when prompted. Cart 0 Login Quick Buy. Copy Link Was this information helpful?
Ideally, you should test a component that you know works in another setup. Serial cables Serial ports Serial devices To test your setup components, try the following: You may block or delete all cookies from this site but parts of the site may not work. Once Windows has restarted, connect the USB serial adapter to your computer.
Use short cables when you are testing. If the loopback test fails, make sure that the serial cable or gender changer that you are using works and that the adapter is in the correct port.
Promethean Support Article
For example, a network card would be under Ethernet Cards. Terms Privacy Site Feedback. To confirm that Windows detects your USB device, complete the following: Windows will typically save the files to the Downloads folder that is associated with your user account for example, C: Backed by a StarTech.