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1.4.6
Environment
Table 1–3
Operational
Non-Operational
Storage
Shipping
Airflow
Altitude, Operational
Altitude, Non-Operational
Shock, Operational
Shock, Non-Operational
Vibration, Operational
Vibration, Non-Operational
Vibration, Relocation
Acoustics
Orientation & Mounting
• Rack Rails
• Rack Characteristics
Safety & Approvals
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide
Ambient Temperature and Humidity
Temperature Range
5°C to 40°C
0°C to +50°C
1°C to +60°C
-40°C to +60°C
System must be operated with low pressure rear exhaust installation
(Back pressure created by rack doors and obstacles not to exceed
Less than 6.0 LwA
19" Rack mount (3EIA Units)
To fit 800mm depth Racks compliant with IEC 297
Back pressure not exceeding 5 pascals (0.5mm water gauge)
CE, UL, cUL
Relative Humidity
Max. Wet Bulb
20% to 80%
non-condensing
8% to 80%
non-condensing
8% to 80%
non-condensing
5% to 100%
non-precipitating
5 pascals [0.5mm Water gauge])
0 to 2133 m (0 to 7,000ft)
(10,000ft at maximum ambient of 35°C)
-305 to 12,192m (-1000 to 40,000ft)
Vertical axis 5g peak 1/2 sine, 10ms
30g 10ms 1/2 sine
0.21grms 5-500 Hz Random
1.04grms 2-200 Hz Random
0.3g 2-200 Hz sine
Introduction
23°C
27°C
29°C
29°C
11
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