Silicon Graphics Total Performance 9300, User Manual

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90 007-4644-001
A: Specifications and Requirements
Environmental
Table A-3 list the environmental requirements for the TP9300.
Caution: If you receive the rack and enclosures in cold weather (below 32 º F (0 º C
))
, leave
them crated for at least 24 hours to prevent condensation. This 24-hour stabilization
period can be modified either up or down, depending on the outside temperature at
arrival.
Table A-3 Environmental Requirements
Environment Unit of Measure Requirement
Air flow N/A Air flow is from front to rear
Temperature Operating range
Storage range
Transit range 10
º
C to 35
º
C (50
º
F to 10
º
F)
-10
º
C to 50
º
C (14
º
F to 122
º
F)
-40
º
C to 60
º
C (-40
º
F to 140
º
F)
Temperature change
(maximum allowed) Operating
Storage
Transit 10
º
C per hour (21
º
F per hour)
15
º
C per hour (31
º
F per hour)
20
º
C per hour (42
º
F per hour)
Relative humidity
(no condensation) Operating range
Storage range
Transit range
Max. dew point
Max. humidity gradient 20% to 80%
10% to 90%
5% to 95%
28
º
C (82
º
F)
10% per hour
Noise level Steady
Non-steady
Normal operation 6.8 bels (maximum)
6.8 bels (maximum)
65 dBA
Altitude
Below Sea Level
Above Sea Level
Operating range
Storage range
Transit range
Operating range
Storage range
Transit range
30.5 m (100 ft)
30.5 m (100 ft)
30.5 m (100 ft)
3,000 m (9,840 ft)
3,000 m (9,840 ft)
12,000 m (40,000 ft)
!