Help with identifying sinking or sourcing inputs,outputs.

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7 years 10 months ago #122345 by Loafer
I am retrofiting 1997 Milltronics VM17 to Linuxcnc using Mesa. I am trying to match the Mesa board correctly. Can you tell by these schematic pictures?

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7 years 10 months ago #122364 by tommylight
It looks like active low inputs.

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7 years 10 months ago #122407 by Loafer

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