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GPIB-USB-HS Pinout

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    Last Modified: March 20, 2017
    Table 1. Signal Descriptions
    Signal Terminal Description
    DIO1 1 Data Input/Output Bit.
    DIO2 2 Data Input/Output Bit.
    DIO3 3 Data Input/Output Bit.
    DIO4 4 Data Input/Output Bit.
    EOI 5 End-Or-Identify.
    DAV 6 Data Valid.
    NRFD 7 Not Ready For Data.
    NDAC 8 Not Data Accepted.
    IFC 9 Interface Clear.
    SRQ 10 Service Request.
    ATN 11 Attention.
    SHIELD 12 Shield.
    DIO5 13 Data Input/Output Bit.
    DIO6 14 Data Input/Output Bit.
    DIO7 15 Data Input/Output Bit.
    DIO8 16 Data Input/Output Bit.
    REN 17 Remote Enable.
    GND 18 Ground—Wire twisted with DAV.
    GND 19 Ground—Wire twisted with NRFD.
    GND 20 Ground—Wire twisted with NDAC.
    GND 21 Ground—Wire twisted with IFC.
    GND 22 Ground—Wire twisted with SRQ.
    GND 23 Ground—Wire twisted with ATN.
    SIGNAL GROUND 24 Logic Ground.
    Table 2. LED State/Device Status
    LED LED Color Device Status
    READY Green The GPIB device is plugged into a USB full-speed (USB 1.1) port.
    Amber The GPIB device is plugged into a USB Hi-Speed (USB 2.0) port.
    ACTIVE Amber There is activity on the GPIB bus.

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