Table Of Contents

NI 9421 with DSUB Pinout

Version:
    Last Modified: April 28, 2017

    Table 1. Signal Descriptions
    Signal Description
    COM Common reference connection to isolated ground
    DI Digital input signal connection
    NC No connection
    Table 2. LED Indicators
    LED Pattern Indication
    Solid The channel has been programmed to be in the ON state.
    Off The channel has been programmed to be in the OFF state.

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