Dell PowerEdge R940 EMC Installation and Service Manual - Page 34

Standard operating temperature, Expanded operating temperature

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Table 26. Relative humidity specifications Relative humidity Storage Operating Specifications 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be non-condensing at all times. 10% to 80% relative humidity with 29°C (84.2°F) maximum dew point. Table 27. Maximum vibration specifications Maximum vibration Operating Storage Table 28. Maximum shock specifications Maximum shock Operating Storage Specifications 0.26 Grms at 5 Hz to 350 Hz (all three axes). 1.88 Grms at 10 Hz to 500 Hz for 15 min (all six sides tested). Specifications Six consecutively executed shock pulses in the positive and negative x, y, and z axes of 6 G for up to 11 ms. Six consecutively executed shock pulses in the positive and negative x, y, and z axes (one pulse on each side of the system) of 71 G for up to 2 ms. Table 29. Maximum altitude specifications Maximum altitude Operating Storage Specifications 3048 m (10,000 ft) 12,000 m (39,370 ft) Table 30. Operating temperature de-rating specifications Operating temperature de-rating Specifications Up to 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m (3,117 ft). 35°C to 40°C (95°F to 104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m (3,117 ft). 40°C to 45°C (104°F to 113°F) Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m (3,117 ft). Standard operating temperature Table 31. Standard operating temperature specifications Standard operating temperature Specifications Continuous operation (for altitude less than 950 m or 3117 10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment. ft) Humidity percentage range 10% to 80% Relative Humidity with 29°C (84.2°F) maximum dew point. Expanded operating temperature Table 32. Expanded operating temperature specifications Expanded operating temperature Specifications Continuous operation 5°C to 40°C at 5% to 85% RH with 29°C dew point. 34 PowerEdge R940 technical specifications

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Table 26. Relative humidity specifications
Relative humidity
Specifications
Storage
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must
be non-condensing at all times.
Operating
10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.
Table 27. Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.26 G
rms
at 5 Hz to 350 Hz (all three axes).
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 min (all six sides tested).
Table 28. Maximum shock specifications
Maximum shock
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.
Storage
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes (one pulse on each side of the system) of 71 G for up to 2 ms.
Table 29. Maximum altitude specifications
Maximum altitude
Specifications
Operating
3048 m (10,000 ft)
Storage
12,000 m (39,370 ft)
Table 30. Operating temperature de-rating specifications
Operating temperature de-rating
Specifications
Up to 35°C (95°F)
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m
(3,117 ft).
35°C to 40°C (95°F to 104°F)
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m
(3,117 ft).
40°C to 45°C (104°F to 113°F)
Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m
(3,117 ft).
Standard operating temperature
Table 31. Standard operating temperature specifications
Standard operating temperature
Specifications
Continuous operation (for altitude less than 950 m or 3117
ft)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Humidity percentage range
10% to 80% Relative Humidity with 29°C (84.2°F) maximum dew point.
Expanded operating temperature
Table 32. Expanded operating temperature specifications
Expanded operating temperature
Specifications
Continuous operation
5°C to 40°C at 5% to 85% RH with 29°C dew point.
34
PowerEdge R940 technical specifications