13. Use slot blockers and cover all empty slots with filler panels to maximize cooling air
flow.
Note Proper airflow is critical to device operation.
14. Power on the chassis.
Direct Connections to the PXIe-5841
The PXIe-5841 is a precision RF instrument that is sensitive to ESD and transients. Ensure
you take the following precautions when making direct connections to the PXIe-5841 to avoid
damaging the device.
Notice Apply external signals only while the PXIe-5841 is powered on. Applying
external signals while the device is powered off may cause damage.
• Ensure you are properly grounded when manipulating cables or antennas connected to the
PXIe-5841 RF IN connector.
• If you are using nonisolated devices, such as a nonisolated RF antenna, ensure the devices
are maintained in a static-free environment.
• If you are using an active device, such as a preamplifier or switch routed to the
PXIe-5841 RF IN connector, ensure that the device cannot generate signal transients
greater than the RF and DC specifications of the PXIe-5841 RF IN connector.
8 | ni.com | PXIe-5841 Getting Started Guide
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