Instrument Control (GPIB, Serial, VISA, IVI)

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NI 9381 RS485 pinout?

I bought a NI 9381 device and I thought it is 2 line standard 15 pin RS485/422 serial interface wich can connect to PC. But when I get the devic I find that 3 line 15 pin interface. I just wnat to know is that still standard pin map as 2 line interface for each pin?

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The NI 9381 is this -

What are you talking about?
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I think I made a mistake. I thought NI 9381 can be operating independently, but it looks it mout use in CompactRIO system. right?

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That's correct.
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