Connector Connector Type Description
PFI 0 — This is reserved and not
enabled for use with the
PXIe-5842.
REF IN SMA (f) Input terminal that allows the
use of an external Reference
Clock with one of the following
frequencies:
■
10 MHz
■
100 MHz
■
270 MHz
■
3.84 MHz × y, where y
is 4, 8, 16, 24, 25, or 32
LO 0 OUT SMA (f) Output terminal for the LO
source. This terminal has no
signal at power on and reset.
LO 0 IN SMA (f) Input terminal that allows
the use of an external local
oscillator.
LO 1 IN SMA (f) Input terminal that allows
the use of an external local
oscillator.
LO 1 OUT SMA (f) Output terminal for the LO
source. This terminal has no
signal at power on and reset.
Table 12. PXIe-5655 LED Indicators
LED Indications
ACCESS Indicates the basic hardware status of the
module.
• O—The module is not yet functional or has
detected a problem with a PXI Express power
rail.
• Amber—The module is being accessed.
Accessed means that you are writing to the
© National Instruments
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PXIe-5842 Getting Started