Table 24. Continuous Operation Specifications for Rugged Environment
Description Allowable continuous operations
Temperature range for altitudes <= 900 m (<=
29
53 ft)
5–55°C (41–131°F) with no direct sunlight on the equipment
Humidity percent range (non-condensing at all
times)
8% RH with -12°C minimum dew point to 90% RH with 24°C (75.2°F)
maximum dew point
Operational altitude de-rating Maximum temperature is reduced by 1°C/125 m (33.8°F/410 Ft) above
900 m (2953 Ft)
Table 25. Common Environmental Specifications for ASHRAE A2, A3, A4 and Rugged
Description Allowable continuous operations
Maximum temperature gradient (applies to both
op
eration and non-operation)
20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (41°F in 15
minutes), 5°C in an hour* (41°F in an hour) for tape
NOTE: * - Per ASHRAE thermal guidelines for tape hardware, these are
n
ot instantaneous rates of temperature change.
Non-operational temperature limits -40 to 65°C (-104 to 149°F)
Non-operational humidity limits 5% to 95% RH with 27°C (80.6°F) maximum dew point
Maximum non-operational altitude 12,000 meters (39,370 feet)
Maximum operational altitude 3,048 meters (10,000 feet)
Table 26. Maximum vibration specifications
Maximum vibration Specifications
Operating 0.26 G
rm
s
at 5 Hz to 350 Hz (all operation orientations)
Storage 1.88 G
rms
at 10 Hz to 500 Hz for 15 minutes (all six sides tested)
Table 27. Maximum shock pulse specifications
Maximum shock pulse Specifications
Operating Six consecutively executed shock pulses in the positive and negative x, y,
an
d z axis of 6 G for up to 11 ms.
Storage Six consecutively executed shock pulses in the positive and negative x, y,
and z axis (one pulse on each side of the system) of 71 G for up to 2 ms.
Thermal restriction matrix
Table 28. Processor and heat sink matrix
Heat sink Processor TDP
STD HSK ≤ 150 W
HPR HSK > 150 W
Table 29. Label reference
Label Description
STD Standard
HPR High performance
HSK Heat sink
Technical specifications 41
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