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220 Sun Fire 280R Server Owner’s Guide • January 2001
Reference for Environmental
Specifications
These environmental specifications are for a rackmounted system.
Parameter Value
Operating
Temperature 5˚C to 40˚C (41˚F to 104˚F)—IEC 60068-2-1, 60068-2-2
Humidity 20% to 80% RH (noncondensing), 27 ˚C max wet
bulb—IEC 60068-2-56
Altitude 0 to 3000 meters (0 to 10,000 feet)—IEC 60068-2-13
Vibration 0.0002 G
2
/Hz, flat from 5–500 Hz (0.31 GRMS); z-axis
only—IEC 60068-2-64
Shock 3 G peak, 11 milliseconds half-sine pulse—IEC 60068-2-27
Declared Acoustics 6.9 Bel
Non-Operating
Temperature -20˚C to 60˚C (-4˚F to 140˚F)—IEC 60068-2-1, 60068-2-2
Humidity 93% RH—IEC 60068-2-56
Altitude 0 to 12,000 meters (0 to 40,000 feet)—IEC 60068-2-13
Vibration x-axis and y-axis: 0.0004 G
2
/Hz flat from 5–500 Hz (0.472 GRMS);
z-axis: 0.0008 G
2
/Hz flat from 5–500 Hz (0.629 GRMS)—IEC
60068-2-64
Handling Drops 100 mm (unmounted unit)—IEC 60068-2-31