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PXIe-5450 Pinout and LEDs

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    Last Modified: April 10, 2017

    Refer to the following figure and tables for information about the PXIe-5450 front panel connectors and LEDs:

    Table 1. PXIe-5450 Signal Descriptions
    Signal Connector Type Access Description
    CLK IN SMA Input Accepts an external clock that can be used as a Reference Clock, a Sample Clock, or a Sample Timebase Clock.
    CLK OUT Output Generates a clock signal that can be shared by other devices.
    PFI 0 SMB Input/Output Accepts a trigger from an external source and can start or step through waveform generation or route signals from several clock, event, and trigger sources.
    PFI 1
    CH 0+/I+ SMA Output Provides a differential waveform output for channel 0.
    CH 0-/I- Provides a complementary differential waveform output for channel 0.
    CH 1+/Q+ Provides a differential waveform output for channel 1.
    CH 1-/Q- Provides a complementary differential waveform output for channel 1.
    Table 2. PXIe-5450 ACCESS LED Indicators
    The ACCESS LED indicates basic hardware status.
    LED Color Indication
    No color (off) The PXIe-5450 is not yet functional, or the PXIe-5450 has detected a problem with a power rail.
    Amber The PXIe-5450 is being accessed.
    Green The PXIe-5450 is ready to be programmed by NI-FGEN.
    Table 3. PXIe-5450 ACTIVE LED Indicators
    The ACTIVE LED indicates the PXIe-5450 hardware state.
    LED Color Indication
    No color (off) The PXIe-5450 is not generating.
    Amber The PXIe-5450 is armed and waiting for a trigger.
    Green The PXIe-5450 has received a trigger and is generating a waveform.
    Red The PXIe-5450 has detected an error. NI-FGEN must access the PXIe-5450 to determine the cause of the error. The LED remains red until the error condition is removed. Example errors include the following:
    • Phase-locked loop (PLL) unlocked: The PXIe-5450 has detected an unlocked condition on a previously locked PLL. A PLL that is unlocked while in reset does not show an error.
    • The PXIe-5450 has powered down because the internal temperature exceeded the maximum limit. The over-temperature condition must be corrected and the hardware reset. To reset the hardware, call niFgen Reset Device or niFgen_ResetDevice, or perform a device reset in MAX.[1]
    • 1 For more information about keeping the PXIe-5450 within internal temperature limits, refer to the Maintain Forced-Air Cooling Note to Users included with your PXIe-5450.

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