Dell PowerEdge MX840c EMC PowerEdge MX7000 Enclosure Installation and Service - Page 57

Standard operating temperature, Expanded operating temperature

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Table 29. Maximum vibration specifications(continued) Maximum vibration Specifications Storage 1.88 Grms at 10 Hz to 500 Hz (vertical axis) Table 30. Maximum shock pulse specifications Maximum shock pulse Specifications Operating Shock pulses in the positive and negative x, y, and z axis of 6 G for up to 11 ms. Storage Shock pulses in the positive z axis of 71 G for up to 2 ms. Shock pulses in the positive and negative x and y axis of 20 G for up to 7 ms. Table 31. Maximum altitude specifications Maximum altitude Specifications Operating 3048 m (10,000 ft) Storage 12,000 m (39,370 ft) Table 32. Operating temperature derating specification Operating temperature derating Specifications Up to 35°C (95°F) Maximum temperature reduces 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 reduces 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 reduces by 1°C/125 m (1°F/228 ft), above 950 m (3,117 ft). Standard operating temperature Table 33. 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. Expanded operating temperature Table 34. 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. NOTE: Outside the standard operating temperature (10°C to 35°C), the system can operate continuously in temperatures as low as 5°C and as high as 40°C. For temperatures 35°C to 40°C, derate maximum allowable temperature by 1°C per 175 m (1°F per 319 ft) above 950 m (3,1171 ft). ≤ 1% of annual operating hours -5°C to 45°C at 5% to 90% RH with 29°C dew point. NOTE: Outside the standard operating temperature (10°C-35°C), the system can operate down to -5°C or up to 45°C for a maximum of 1% of its annual operating hours. Technical specifications 57

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Table 29. Maximum vibration specifications(continued)
Maximum vibration
Specifications
Storage
1.88 G
rms
at 10 Hz to 500 Hz (vertical axis)
Table 30. Maximum shock pulse specifications
Maximum shock pulse
Specifications
Operating
Shock pulses in the positive and negative x, y, and z axis of 6 G for up to 11 ms.
Storage
Shock pulses in the positive z axis of 71 G for up to 2 ms.
Shock pulses in the positive and negative x and y axis of 20 G for up to 7 ms.
Table 31. Maximum altitude specifications
Maximum altitude
Specifications
Operating
3048 m (10,000 ft)
Storage
12,000 m (39,370 ft)
Table 32. Operating temperature derating specification
Operating temperature
derating
Specifications
Up to 35°C (95°F)
Maximum temperature reduces 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 reduces 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 reduces by 1°C/125 m (1°F/228 ft), above 950 m (3,117 ft).
Standard operating temperature
Table 33. 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.
Expanded operating temperature
Table 34. 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.
NOTE:
Outside the standard operating temperature (10°C to 35°C), the system can operate
continuously in temperatures as low as 5°C and as high as 40°C.
For temperatures 35°C to 40°C, derate maximum allowable temperature by 1°C per 175 m (1°F per 319
ft) above 950 m (3,1171 ft).
≤ 1% of annual operating
hours
–5°C to 45°C at 5% to 90% RH with 29°C dew point.
NOTE:
Outside the standard operating temperature (10°C–35°C), the system can operate
down to –5°C or up to 45°C for a maximum of 1% of its annual operating hours.
Technical specifications
57