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USB to RS-232 Converter Cable

USB-RS232-150.jpgCan't find a USB to RS-232 Converter cable that works? 
Here is one you can depend on.  It uses the Prolithic chip set to assure proper operation.  This cable works with our meters and most other devices.  


Software can be downloaded here

RS232-F2F null modem

rs232-f2f-150.pngnull modem cable
female to female connectors
used on many popular receivers
may be different color than pictured


RS232-F2F serial

Quick and easy explanation of the RS232 cables used with most digital receivers.

serial cable: The ends are RS232 9 pin. It's the same cable you might use on a thermal printer for UPS, FedEx, DHL, etc. It's a straight through cable. Although it is a 9 pin cable the only connections required are:

  • pin 2 to pin 2
  • pin 3 to pin 3
  • pin 5 to pin 5

null modem cable: Sometimes called a twisted pair cable. The ends are RS232 9 pin. Although it is a 9 pin cable the only connections required are:

  • pin 2 to pin 3
  • pin 3 to pin 2
  • pin 5 to pin 5

Now that you know the wiring configuration, don't forget to order the proper ends.  These cables come as female to female, female to male, and male to male.

rs232-female_small.jpg RS-232 Female

rs232-male_small.jpg RS-232 Male


I hope this will clear up any confusion and help you in purchasing the correct cable. We supply a high quality cable with molded ends. If you have any problem finding these cables you are welcome to contact us.