Table 4. PXIe-5606 RF Downconverter Front Panel LEDs
LED
Indication
ACCESS Indicates the basic hardware status of the module.
OFF—The module is not yet functional, or the module has detected a problem
with a power rail.
AMBER—The module is being accessed.
Accessed
means that the device setup
registers are being written to in order to control the device.
GREEN—The module is ready to be programmed.
ACTIVE Indicates the module state.
OFF—The module is in a quiescent state.
AMBER—The module is waiting for the Advance Trigger from the configuration
list.
GREEN—The module is triggered and is running a step from the configuration
list.
RED—The module has detected an error state. An error state may indicate the
module has exceeded approved operating temperature and thermal shutdown has
occurred or that the module has detected a power supply failure. If the power
supply fails, contact NI technical support.
PXIe-5606 RF IN Connector DC Block
The PXIe-5606 downconverter module has no internal DC block, so high-frequency
components in the PXIe-5606 can be damaged when DC signals are applied directly to the RF
IN connector. The PXIe-5606 ships with a 2.92 mm DC block attached to the RF IN connector
to prevent damage to the device when a DC input signal is present.
To make measurements below 16 kHz, you must remove the DC block from the PXIe-5606
RF IN connector. If making measurements at frequencies greater than or equal to 16 kHz, NI
recommends keeping the DC block attached to the RF IN connector. Refer to the table below
for the maximum allowed voltage with the DC block attached or removed.
You can order the DC block separately as a spare or replacement part. The part number is
787672-01. Refer to the following sections for instructions on how to remove and reinstall the
DC block.
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PXIe-5668 Getting Started Guide
