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Home Community Discussion Forums Most Active Hardware Boards Instrument Control (GPIB, Serial, VISA, IVI) Topic

Instrument Control (GPIB, Serial, VISA, IVI)

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what is the DB9 connector pin-out for the 778475-01 USB-422 module?

what is the DB9 connector pin-out for the 778475-01 USB-422 module?

‎03-07-2006 09:52 AM

I can not locate the pin-out for the USB-485, 1-Port USB to RS-485 Converter in the users manuals or the knowledgebase. I need to know the pin designations for the DB9 connector and what pin #'s are RX+, RX-, TX+, TX-, etc.
 
Thanks,
Ant
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Re: what is the DB9 connector pin-out for the 778475-01 USB-422 module?

‎03-07-2006 10:04 AM

Look at this.
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Re: what is the DB9 connector pin-out for the 778475-01 USB-422 module?

‎03-07-2006 10:05 AM

ant:

Try pages A-2 and A-3 of Appendix A in the manual

http://www.ni.com/pdf/manuals/370447b.pdf

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