© National Instruments
|
2-5
that this ambient temperature does not exceed the rated ambient temperature as stated in
Appendix A,
. If the temperature exceeds the stated spec, the front-panel
temperature LED blinks red, as discussed in the
section of this chapter.
Setting Fan Speed
The fan-speed selector switch is on the rear panel of the PXIe-1066DC chassis. Refer to
Figure 1-2,
Rear View of the PXIe-1066DC Chassis
, to locate the fan-speed selector switch.
Select
High
for maximum cooling performance or
Auto
for improved acoustic performance.
When set to
Auto
, the fan speed is determined by the chassis intake air temperature.
Installing Filler Panels
To maintain proper module cooling performance, install filler panels (provided with the chassis)
in unused or empty slots. Secure with the captive mounting screws provided.
Installing Slot Blockers
The cooling performance of the chassis can be improved by installing optional slot blockers.
Refer to
ni.com
for more details.
Fan Access Door Clearance
When installing the PXIe-1066DC chassis, you also must provide the proper clearance for the
fan access door to open fully, as shown in Figure 2-3.
Figure 2-3.
Fan Access Door Clearance
Dimen
s
ion
s
a
re in inche
s
(millimeter
s
)
0.
3
5
(
8
.9)
