Table B-4 Environmental Requirements
Specification Operating Nonoperating
Ambient
temperature (does
not apply to
removable media)
Maximum range: 5°C to 35°C (41°F to
95°F) up to 900 meters (2,953 feet)
Optimal: 21°C to 23°C (69.8°F to
73.4°F)
Maximum ambient operating
temperature is derated by 1 degree C
per 300 meters of elevation above 900
meters, to a maximum altitude of 3,000
meters.
–40°C to 68°C (–40°F to 154°F)
Relative humidity 10% to 90% noncondensing, short term
–5°C to 55°C (23°F to 113°F)
5% to 90% noncondensing, with a
maximum of 0.024 kg of water per kg of
dry air (0.053 lbs water/2.205 lbs dry air)
Maximum wet bulb of 93%
noncondensing 35°C (95°F)
Altitude Up to 3,000 meters (9,840 feet)
In China markets, regulations might limit
installations to a maximum altitude of
2,000 meters (6,562 feet).
Maximum 12,000 meters
(39,370 feet)
Acoustic noise Fan speed % Pulse Width Modulation
(PWM) Acoustic noise emission
declaration based on the measured
Sound Power LWAd (1Bel = 10 dB)
4-Drive Sound Power (Bels)
50% PWM: 8.4, 60% PWM: 8.8, 70%
PWM: 9.1,80% PWM: 9.6, 90% PWM:
9.8 100% PWM: 10.1
12-drive Sound Power (Bels)
40% PWM: 7.9, 50% PWM: 8.58, 60%
PWM: 8.96,70% PWM: 9.3, 80% PWM:
9.5
Not applicable
Vibration 0.15 G (z-axis)
0.10 G (x-, y-axes), 5-500Hz swept sine
IEC 60068-2-6 Test FC
0.5 G (z-axis),
0.25 G (x-, y-axes), 5-500Hz
swept sine
IEC 60068-2-6 Test FC
Shock 3.5 G, 11 ms half-sine
IEC 60068-2-27 Test Ea
Roll-off: 1.25-inch roll-off free
fall, front to back rolling
directions
Threshold: 13-mm threshold
height at 0.65 m/s impact
velocity
ETE-1010-02 Rev A
Humidity Guidelines
The server ambient relative humidity range of 45 to 50 percent is acceptable for safe
data processing operations and is the recommended optimal range. An ambient
relative humidity optimal range of 45 to 50 percent can:
Appendix B
Environmental Requirements
B-4
To Next Page
Loading...
Need help?
General
