Silicon Graphics Total Performance 9300, User Manual

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94 007-4644-001
A: Specifications and Requirements
Environmental
Table A-7 and Table A-8 lists the environmental requirements for the system enclosure.
Table A-7
Altitude Requirements for System Enclosures
Condition Range
Requirement
below Sea Level Requirement
above Sea Level
Altitude a
a. If planning to operate the enclosure at altitudes between 1,000 m (3,280 ft.) and 3,000 m (9,850 ft.),
lower the environmental temperature 1.7
º
C (3.3
º
F) for every 1,000 m (3,280 ft.) above sea level.
Operating
Storage
Transit 30.5 m (100 ft.)
30.5 m (100 ft.)
30.5 m (100 ft.) 3,048 m (10,000 ft.)
3,048 m (10,000 ft.)
12,000 m (40,000 ft.)
Table A-8 Environmental Requirements for System Enclosures
Condition Range Requirement
Temperature Operating
Storage
Transit 10
º
C to 40
º
C (32
º
F to 109
º
F)
-10
º
C to 65
º
C (14
º
F to 149
º
F)
-40
º
C to 65
º
C (-40
º
F to 149
º
F)
Maximum temperature
change allowed Operating
Storage
Transit 1
º
C (18
º
F) per hour
15
º
C (27
º
F) per hour
20
º
C (36
º
F) per hour
Relative humidity
(no condensation) Operating
Storage
Transit
Maximum dew point
Maximum humidity Gradient 20% to 80%
10% to 93%
5% to 95%
26
º
C (79
º
F)
10% per hour
Heat dissipation
1118 Btu/hr (0.328 kVA or 327 W) with
36-GB drives
1135 Btu/hr (0.332 kVA or 332 W) with
146-GB drives
Sound Power
Pressure 6.5 bels
65 dBA