Table 61. Operational climatic range category A2 (continued)
Allowable continuous operations
Humidity percent ranges (Noncondensing always)
8% RH with -12°C minimum dew hover over 80% RH with 21°C
(69.8°F) maximum dew point
Operational altitude derating
Maximum temperature is reduced by 1°C/300 meters (1.8°F/984
ft) above 900 meters (2,953 ft)
Operational climatic range category A3
Table 62. Operational climatic range category A3
Allowable continuous operations
Temperature ranges for altitude <900 meters (<2,953 ft)
5°C–40°C (41°F–104°F) with no direct sunlight on the platform
Humidity percent ranges (Noncondensing always)
8% RH with -12°C minimum dew hover over 85% RH with 24°C
(75.2°F) maximum dew point
Operational altitude derating
Maximum temperature is reduced by 1°C/175 meters (1.8°F/574
ft) above 900 meters (2,953 feet)
Thermal restriction for ASHRAE A3/Environment
•
CPU TDP greater than 150 W are not supported.
Shared requirements across all categories
Table 63. Shared requirements across all categories
Allowable operations
Maximum temperature gradient (applies to both operation and
nonoperation)
20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in
15 minutes), 5°C in an hour* (9°F in an hour) for tape hardware
Non-operational temperature limits
-40°C to 65°C (-40°F to 149°F)
Non-operational humidity limits
5% to 95% RH with 27°C (80.6°F) maximum dew point
Atmosphere must be noncondensing always.
Maximum Non-operational altitude
12,000 meters (39,370 ft)
Maximum operational altitude
3,048 meters (10,000 ft)
*: Per ASHRAE thermal guidelines, these are not instantaneous rates of temperature change.
Table 64. Temperature specifications
Temperature
Specifications
Storage
-40–65°C (-40–149°F)
Continuous operation (for altitude less than 900 m
or 2953 ft)
10–35°C (50–95°F) with no direct sunlight on the equipment
Expanded operating temperature
For information about Expanded operating temperature, see the
section.
Maximum temperature gradient (operating and
storage)
20°C/h (68°F/h)
Technical specifications
159
