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Preparing the PXIe-4135 for Use with the NI-4134

Last Modified: January 13, 2021

The PXIe-4135 requires installation of a LO/Sense LO connector assembly on the front panel before it can connect to an NI-4134 in the VCSEL I-V Test Subsystem.


  • SMU LO/Sense LO connector assembly
  • SMU shorting wire
  • Insulation strip tool
  • Screwdriver

Complete the following steps to set up a PXIe-4135 for use with an NI-4134 in the VCSEL I-V Test Subsystem.

  1. Open the LO/Sense LO connector assembly.
  2. Use an insulation tool to expose the wire conductors. The maximum strip length is 10 mm (0.394 in.).
  3. Short both the LO and Sense LO terminals to the chassis ground terminal ( ) of the PXIe-4135.
  4. Clamp down using the screw terminals on the connector.
  5. Close the LO/Sense LO connector assembly.
  6. Connect the LO/Sense LO output connector assembly to the PXIe-4135; tighten the thumbscrew on the connector assembly to hold it in place.
This connection allows current to return from the NI-4134 on the ground shield of the triaxial cables. Repeat this procedure for each PXIe-4135 installed in the PXI chassis.

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