Question about Dynex DX-UBDB9 Serial Adapter

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Tried to install USB to Serial adapter but get a message "Prolific USB-to-Serial Bridge (com3) Failed

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To change the COM port number assigned to a USB to RS-232 Serial Adapter follow the steps below:

  1. Open the Windows Device Manager.
  2. Right click on the COM port you want to change.
  3. Left click on Properties.
  4. Click on the Port Settings tab.
  5. Click on the Advanced... button.
  6. Use the drop down list to select the COM port number you want to use.
  7. Click OK.
  8. Click on OK again and close Device Manager

Posted on Nov 17, 2009

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I have a Dynex Dx-UBDB9 Serial-USB cable that did not work in
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Also,
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I purchased the Nikkai USB to RS232 adapter from Maplin and could not get the device working. (Maplin staff not much help!) The lead uses the Prolific PL-2303 device but Prolific do not supply the drivers to end users.
However I found the drivers that appear to work at:

http://www.cooldrives.com/wividrforprc.html

This then recognises the lead as a COM port. So far everything seems to work OK.
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