Chapter 2 Cabinet and Rack Specifications 11
Environmental Requirements
This section describes the environmental conditions that are prerequisite to
installing the cabinet.
Temperature, Humidity, and Altitude
TABLE 2-11 lists operating and nonoperating relative humidity, and altitude ranges
for the Sun Fire cabinet. The table also provides the optimum operating condition
in the recommended operating environment. Operating computer equipment for
extended periods of time at or near the temperature or humidity extremes is known
to significantly increase the failure rate of hardware components
.
TABLE 2-10 Sun Fire Cabinet and J4400 Component Weights
Component Quantity Weight
(each)
Total Component Weight
(lbs or kg)
Cabinet 1 X 325 lbs
*
(141 kg)
* Weight of an empty cabinet and two power sequencers.
= 325 lbs or 141 kg
J4400 Tray X 31.28 lbs (14.19 kg) =
SIM Board X 3.81 lbs (1.73 kg) =
Power Module X 9.54 lbs (4.33 kg) =
SAS Drive X 1.88 lbs (0.854 kg) =
SATA Drive X 1.83 lbs (0.833 kg) =
Total Weight
=
TABLE 2-11 Cabinet Temperature, Humidity, and Altitude
Specification Optimal Operating Nonoperating
Temperature 70°F to 73.5°F
(21° Cto23° C)
41˚ F to 95˚ F
(5˚ C to 35˚ C)
-40˚ F to 140˚ F
(-20˚ C to 60˚ C)
Relative Humidity
(RH)
45% to 50%
noncondensing
20% to 80%
noncondensing
5% to 95%
noncondensing
Altitude 0 to 9,840 feet
(0 to 3 km)
0 to 9,840 feet
(0 to 3 km)
0 to 39,370 feet
(0 to 12 km)
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