National Instruments NI PXIe-1075 - Manual (Page 45)

Appendix A Specifications
NI PXIe-1075 User Manual A-4 ni.com
Chassis Cooling
Module cooling system...........................Forced air circulation (positive
pressurization) through three
165 cfm fans with High/Auto
speed selector
Slot airflow direction ..............................Bottom of module to top of
module
Module cooling intake ............................Bottom rear of chassis
Module cooling exhaust..........................Along both sides and top of
chassis
Power supply cooling system .................Forced air circulation through
two integrated fans
Power supply cooling intake...................Right side of chassis
Power supply cooling exhaust ................Left side of chassis
Clearance for intake/exhaust vents .........1.75 in (44.45 cm) for top
and side vents
3.00 in (76.20) for back vents
Maximum fan cleaning interval..............6 months
Fan filter material ...................................30 ppi, 3/32 in (0.24 cm)
polyurethane foam. Refer to the
Cleaning the Fan Filters section
of Chapter 3, Maintenance , for
more information.
Environmental
Maximum altitude...................................2,000 m (800 mbar)
(at 25 °C ambient)
Pollution Degree .....................................2
For indoor use only.