Dell PowerEdge XE2420 EMC Installation and Service Manual - Page 161

Shared requirements across all categories, Table 64. Temperature specifications

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Shared requirements across all categories Table 63. Shared requirements across all categories Allowable operations Maximum temperature gradient (applies to both operation and 20°C in an hour* (36°F in an hour) and 5°C in 15 minutes nonoperation) (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 Storage Specifications -40-65°C (-40-149°F) Continuous operation (for altitude less than 900 10-35°C (50-95°F) with no direct sunlight on the equipment m or 2953 ft) Expanded operating temperature For information about Expanded operating temperature, see the Expanded operating temprature section. Maximum temperature gradient (operating and storage) 20°C/h (68°F/h) Table 65. Maximum vibration specifications Maximum vibration Specifications Operating Storage 0.21 Grms at 5 Hz to 500 Hz (all operation orientations) 1.88 Grms at 10 Hz to 500 Hz for 15 minutes (all six sides tested) Table 66. Maximum shock pulse specifications Maximum shock pulse Specifications Operating Six consecutively executed shock pulses in the positive and negative x, y, and z axes of 6 G for up to 11 ms.(4 pulse on each side of the system) 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. Table 67. Maximum altitude specifications Maximum altitude Specifications Operating 3048 m (10,000 ft) Storage 12,000 m (39,370 ft) Table 68. Operating temperature derating specifications Operating temperature derating Specifications Up to 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft), above 900 m (2,953 ft). 35-40°C (95-104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft), above 900 m (2,953 ft). Technical specifications 161

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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
Expanded
operating temprature
section.
Maximum temperature gradient (operating and
storage)
20°C/h (68°F/h)
Table 65. Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.21 G
rms
at 5 Hz to 500 Hz (all operation orientations)
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 minutes (all six sides tested)
Table 66. Maximum shock pulse specifications
Maximum shock pulse
Specifications
Operating
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes of 6 G for up to 11 ms.(4 pulse on each side of the system)
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.
Table 67. Maximum altitude specifications
Maximum altitude
Specifications
Operating
3048 m (10,000 ft)
Storage
12,000 m (39,370 ft)
Table 68. Operating temperature derating specifications
Operating temperature derating
Specifications
Up to 35°C (95°F)
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft), above 900
m (2,953 ft).
35–40°C (95–104°F)
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft), above 900 m
(2,953 ft).
Technical specifications
161