Connecting the VST Instrument and Agile Attenuator to a Coprocessor

If you added an optional Coprocessor to the system, connect the VST instrument to the Coprocessor.

Gather the following components to connect your VST to the Coprocessor.
Table 25. Coprocessor Cabling
VST Coprocessor Cable/Accessory Quantity
PXIe-5830/5831/5832/5841 PXIe-6594 SCB-42 1
Nano-Pitch Male to Nano-Pitch Male OCuLink x4 Cable (NI part number 785486-01) 2
Mini-HDMI to Mini-HDMI (NI part number 143045-01) 1
PXIe-5830/5831/5832/5841 PXIe-7903 SCB-42 1
Nano-Pitch Male to Nano-Pitch Male OCuLink x4 Cable (NI part number 785486-01) 1
Mini-HDMI to Mini-HDMI Cable (NI part number 143045-01) 1
Nano-Pitch Male to Mini-SAS HD Male OCuLink x4 Cable (NI part number 786215-01) 1
PXIe-5842 PXIe-7903 Mini-HDMI to Mini-HDMI Cable (NI part number 143045-01) 1
Mini-SAS zHD-Mini-SAS zHD HSS Passive Cable (NI part number 788927-01) 2
Note The mmWave radio heads are not supported with the Agile Attenuator.
Make the appropriate Coprocessor connections for your VST.
  • If your VST instrument is a PXIe-5830/5831/5832/5841, make the following connections to the Coprocessor through the SCB-42.
    1. Use a Nano-Pitch Male to Nano-Pitch Male OCuLink x4 Cable to connect the VST instrument to the SCB-42 as listed in the following table.
      Table 26. VST-to-SCB-42 Connection
      VST Instrument SCB-42 Port
      Model Port
      PXIe-5830/5831/5832/5841 DIO MGT In
    2. Use the appropriate cable to connect the Coprocessor to the SCB-42 as listed in the following table.
      Table 27. Coprocessor-to-SCB-42 Connections
      Coprocessor SCB-42 Port
      Model Port
      PXIe-6594 DIO MGT Out
      PXIe-7903 8 MGT Out
    3. Use a Mini-HDMI to Mini-HDMI Cable to connect Agile Attenuator to SCB-42 as listed in the following table.
      Table 28. Agile Attenuator-to-SCB-42 Connection
      Agile Attenuator Port SCB-42 Port
      DIO DIO Out

    Refer to the cabling diagrams for more information.

    Figure 33. PXIe-5830/5831/5832/5841 VST Instrument, Agile Attenuator, and PXIe-6594 Coprocessor Connections


    Figure 34. PXIe-5830/5831/5832/5841 VST Instrument, Agile Attenuator, and PXIe-7903 Coprocessor Connections


  • If your VST instrument is a PXIe-5842, make the following connections to the Coprocessor.
    1. Use a Mini-HDMI to Mini-HDMI Cable to connect the VST instrument to the Agile Attenuator as listed in the following table.
      Table 29. VST-to-Agile Attenuator Connection
      VST Instrument Port Agile Attenuator Port
      DIO DIO
    2. Use two Mini-SAS zHD-Mini-SAS zHD HSS Passive Cables to connect the VST instrument to the Coprocessor as listed in the following table.
      Table 30. VST-to-Coprocessor Connections
      VST Instrument Port Coprocessor Port
      0 4
      1 5

    Refer to the cabling diagrams for more information.

    Figure 35. PXIe-5842 VST Instrument, Agile Attenuator, and PXIe-7903 Coprocessor Connections