IBM DCS9550 1S1 - Manual (Page 26)

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