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Connecting the NI-4134 to the PXIe-4135, Your Computer, and Facility Power

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    Last Modified: January 13, 2021

    After you connect the NI-4134 to the facility ground, connect the NI-4134 to a PXIe-4135 source measure unit (SMU) and your computer.

    spd-note-note
    Note  

    This topic applies to only the VCSEL I-V Test MXI Subsystem.

    Before you begin this procedure, ensure that a LO/Sense LO connector assembly is installed on each PXIe-4135 in the PXI chassis and that each NI-4134 is connected to the facility ground.

    Equipment

    • Triax (m)-to-Triax (m) cables (x2)
    • USB cable, type-A to type-B (x1)
    • MXI-Express Gen 3 x8 cable (x1)
    • NI-4134 power supply (x1)
    • AC power cable (x1)
    • #2 Phillips screwdriver

    Complete the following steps to connect an NI-4134 to a PXIe-4135 SMU in the PXI chassis and the PC.

    1. Connect a triaxial cable to the FORCE HI output on the PXIe-4135.
    2. Connect the opposite end of the triaxial cable to the FORCE HI input on the NI-4134 front panel.
    3. Connect a triaxial cable to the SENSE HI output on the PXIe-4135.
    4. Connect the opposite end of the triaxial cable to the SENSE HI input on the NI-4134 front panel.
    5. Connect the MXI-Express cable to the ports 1-2 of the PXIe-8398 in the PXI chassis.
    6. Connect the opposite end of the MXI-Express cable to the ports 1-2 of the PCIe-8398 in your computer.
    7. Connect the USB cable to the USB type B input on the NI-4134 front panel.
    8. Connect the opposite end of the USB cable to a USB type A input on your computer.
    9. Connect the NI-4134 power supply to the 2-contact MINI-COMBICON connector on the NI-4134 front panel.
    10. Fasten the NI-4134 power supply to the NI-4134 using the #2 Phillips screwdriver.
    11. Connect the NI-4134 power supply to facility power using the AC power cable.

    If your VCSEL I-V Test Subsystem contains multiple PXIe-4135 SMUs and NI-4134 pulse generators, repeat this procedure for each SMU and pulse generator pair in the subsystem to set up each subsystem channel.

    After you complete this procedure for each PXIe-4135 and NI-4134 pair in the subsystem, you must perform system compensation and pulse compensation before you begin testing VCSEL DUTs.

    spd-note-note
    Note  

    The PXIe-8398 has a built-in feature that powers on/off the chassis it is controlling when the host system is powered on/off. NI recommends powering on/off your computer when you start/complete testing.


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