NI PXI-5660 Getting Started Guide 20 ni.com
Appendix B: Troubleshooting
This section discusses issues you may encounter during installation, configuration, and use of the
RF vector signal analyzer hardware and software.
Installation
NI 5600 RF Downconverter Module Front Panel POWER LED is Off when PXI Chassis is On
If the POWER LED fails to light when the PXI chassis is powered on, a problem may exist with the
PXI power rail, a hardware module, or the LED. Complete the following steps to troubleshoot this issue:
1. Power off your PXI chassis.
2. Remove any module front panel interconnections between the RF vector signal analyzer hardware
modules.
3. Remove both RF vector signal analyzer hardware modules and inspect for damage. Do not reinstall
a damaged device.
4. Reinstall both RF vector signal analyzer hardware modules in different PXI slots. Use the
Installing PXI Modules procedure detailed in your device chapter.
5. Power on your PXI chassis.
6. If the POWER LED still fails to light, and failures continue, contact NI technical support or visit
ni.com/support.
A Hardware Module Does Not Appear in MAX
Use the following procedure if any RF vector signal analyzer hardware module does not appear in MAX:
1. In the MAX Configuration pane, expand the Traditional NI-DAQ (Legacy) Devices folder.
2. Press <F5> to refresh the list of installed devices.
3. If the module is still not listed, power off the system, ensure that the RF vector signal analyzer
hardware is correctly installed, and restart the system. If your hardware still does not appear,
continue to step 4.
Table 4. NI 5620 IF Digitizer Module Front Panel Connectors
Connector Use
INPUT Connects to the OUTPUT connector on the NI 5600 RF downconverter module front
panel.
This connector is the input terminal for a frequency-translated IF waveform from the
NI 5600 RF downconverter for digitization and measurement.
REF CLK IN Connects to the lower 10 MHz OUT connector on the NI 5600 RF downconverter
module front panel.
This connector is the input terminal for the NI 5600 internal reference clock signal.
PFI 1 Receives a digital trigger from an external source. Refer to the NI High-Speed Digitizers
Help for more information about triggering.
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