Dell Qlogic QME8242, Руководство пользователя

Страница: 171 / 178

B–Specifications
Environmental Specifications
CU0354602-00 A B-3
Environmental Specifications
Table B-4. Environmental Specifications
Condition Operating Non-Operating
Temperature Ranges
(for Altitude

900 m or 2952.75 ft)
10 °C to 35 °C
(50 °F to 95 °F)
-40 °C to 65 °C
(-40 °F to 149 °F)
Temperature Ranges
(for Altitude >900 m or 2952.75 ft)
10 °C to Note
a
°C
(50 °F to Note b °F)
a
Use the following formulas to calculate the maximum operating temperature (in °C) for a
specific altitude. Use the first formula if the altitude is stated in meters and the second
formula if the altitude is stated in feet.
or
b
Use the following formulas to calculate the maximum operating temperature (in °F) for a
specific altitude. Use the first formula if the altitude is stated in meters and the second
formula if the altitude is stated in feet.
or
-40 °C to 65 °C
(-40 °F to 149 °F)
Temperature Gradient Maximum
per 60 Min. 10 °C 20 °C
Humidity Percent Ranges—
Noncondensing 20% to 80%*
(Max Wet bulb
temperature = 29 °C)
c
c
Maximum corrosive contaminant levels measured at

50% relative humidity; see Table 3
in ISA-71.04-1985.
5% to 95%+
(Max Wet bulb
temperature = 38 °C)
c
Humidity Gradient Maximum per
60 Min. 10% 10%
Altitude Ranges—Low Limits -15.2 m (-50 ft) -15.2 m (-50 ft)
Altitude Ranges—High Limits 3,048 m (10,000 ft) 10,668 m (35,000 ft)
Airborne Contaminants—ISA-71
Level
G1
c
G1
c
35
MaximumAltitude
feet
2952.75
–
 
984.25
----------------------------------------------------------------------------------------

C
– 35
MaximumAltitude
meters
900
–
 
300
------------------------------------------------------------------------------------

C
–
95
MaximumAltitude
feet
2952.75
–  
1.8

984.25
------------------------------------------------------------------------------------------------------ 
F
–
95
MaximumAltitude
meters
900
–
 
1.8

300
------------------------------------------------------------------------------------------------- 
F
–