As many have noted it does NOT have a STANDARD pinout of the DB9 connector. This is not a problem if you want to use the included divider. I know the RS422/RS485 specs don't give an official pinout. However, most controlled devices use Sony's VTR pinout, which has become the industry standard. This adapter has a different pinout, which you should read as a PDF on the small CD that comes with it.
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