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Command Module and Drive Module Site Preparation Guide 1-7
Environmental Requirements
The cabinet is designed to operate in the environment defined in Table 1-2.
Table 1-2 Cabinet Environmental Requirements
Environment Requirements
Altitude Operating Range Storage Range Transit Range
Below Sea Level 30.5 m (100 ft.) 30.5 m (100 ft.) 30.5 m (100 ft.)
Above Sea Level
3048 m
(10,000 ft.)
3048 m
(10,000 ft.)
12,000 m
(40,000 ft.)
Temperature Operating Range Storage Range Transit Range
Temper a tur e
Range
10
°
C to 35
°
C
(50
°
F to 104
°
F)
-10
°
C to 65
°
C
(140
°
F to 149
°
F)
-40
°
to 65
°
C
(-40
°
F to 149
°
F)
Temperature
Change
10
°
C per hour
(21
°
F per hour)
15
°
C per hour
(31
°
F per hour)
20
°
C per hour
(42
°
F per hour)
Relative Humidity Operating Range Storage Range Transit Range Maximum Allowed
No Condensation 20% to 80% 10% to 90% 5% to 95%
Dew Point
28
°
C (82
°
F)
Humidity Gradient 10% per hour
Noise Steady/Non-Steady Normal Operation
Level 6.8 bels 65 dBA
Heat Dissipation
1
Component
Configuration A
1
Configuration B
1
Configuration C
1
LP Drives
2
1.62 kVA
1601 W
5467 Btu/hr
3.23 kVA
3202 W
10,934 Btu/hr
2.90 kVA
2866 W
9788 Btu/hr
HH Drives
2
1.69 kVA
1677 W
5727 Btu/hr
3.39 kVA
3354 W
11,454 Btu/hr
3.02 kVA
2988 W
10,205 Btu/hr
1
These are kVA, W, and Btu calculations for three configurations containing Low-Profile (LP) and Half-Height (HH)
drives, including:
Configuration A contains 1 command module and 5 drive modules
Configuration B contains 2 command modules and 10 drive modules
Configuration C contains 3 command modules and 8 drive modules
2
LP drives are 1.0 inch tall; HH drives are 1.6 inches tall.