8 Book Title without trademarks, or an abbreviated book title • May 2008
Environmental Requirements
This section describes the environmental conditions that are prerequisite to
installing the cabinet.
Environmental Specifications
TABLE 2-5 lists operating and nonoperating temperature, relative humidity, and
altitude ranges for the Sun StorEdge Expansion cabinet.
Airflow and Heat Dissipation
Cabinet airflow is from front to back. Allow at least 30 inches in front of the cabinet,
and at least 24 inches behind the cabinet, for service clearance, proper ventilation,
and heat dissipation.
TABLE 2-5 Cabinet Environmental Specifications
Specification Operating Nonoperating
Temperature 41˚ F to 95˚ F
(5˚ C to 35˚ C)
-40˚ F to 150.8˚ F
(-40˚ C to 66˚ C)
Relative Humidity
(RH)
10% to 90%
noncondensing
93% noncondensing
Altitude 9,840 feet
(3000 m)
39,370 feet
(12,000 m)
Shock (from any axis
X, Y, or Z)
3.0 g for maximum
duration of 11 ms, half-
sine
1.0-in. roll-off freefall,
front-to-back rolling
directions
Vibration (from any
axis X, Y, or Z)
0.15 g on z-axis; 0.10 g
on x- and y-axes; 5 to
500 Hz sinusoidal
0.5 g on z-axis; 0.25 g on
x- and y-axes; 5 to 500
Hz sinusoidal
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