Dell PowerEdge R220 Техническое руководство - Страница 39
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Environmental specifications
Table 23 details the environmental specifications for the R220. For additional information about
environmental measurements for specific system configurations, see
Dell.com/environmental_datasheets.
Fresh Air: temperature, humidity, altitude de-rating
Continuous
10°C to 35°C (50°F to 95°F) at 10% to 80% relative humidity with 29°C (84.2°F) maximum
operation
dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb
temperature at 1°C per 300m above 950m (1°F per 547ft above 3117ft).
Expanded
When operating in the expanded temperature range, system performance may be impacted,
operation
and ambient temperature warnings may be reported on the LCD and in the System Event
Log.
≤ 10% of annual operating hours: 5°C to 10°C and 35°C to 40°C (with no direct sunlight on
the equipment) at 5% to 85% relative humidity with 26°C dew point (maximum wet bulb
temperature). Outside the standard operating temperature (10°C to 35°C), the system can
operate down to 5°C or up to 40°C for a maximum of 10% of its annual operating hours. For
temperatures between 35°C and 40°C (95°F to 104°F), de-rate maximum allowable dry bulb
temperature by 1°C per 175m above 950m (1°F per 319ft above 3117ft).
≤ 1% of annual operating hours: –5°C to 5°C and 40°C to 45°C (with no direct sunlight on
the equipment) at 5% to 90% relative humidity with 26°C dew point (maximum wet bulb
temperature). Outside the standard operating temperature (10°C to 35°C), the system can
operate down to –5°C or up to 45°C for a maximum of 1% of its annual operating hours. For
temperatures between 40°C and 45°C (104°F to 113°F), de-rate maximum allowable dry bulb
temperature by 1°C per 125m above 950m (1°F per 228ft above 3117ft).
Expanded operation restrictions:
No cold startup below 5°C
Maximum altitude for the operating temperature must be 3050m (10,000ft)
Not supported:
—
—
—
—
—
—
—
Temperature
Operating
See Fresh Air for temperature information
Storage
–40°C to 65°C (–40°F to 149°F) with a maximum temperature gradation of 20°C per hour
Relative humidity
Operating
See Dell Fresh Air for relative humidity information
Storage
5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-
condensing at all times
Maximum vibration
Operating
0.26 Grms at 5–350Hz for 15 min (in all operation orientations)
Storage
1.87 Grms at 10Hz to 500Hz for 15 minutes (all six sides tested)
Maximum shock
39 Dell PowerEdge R220 Technical Guide
Table 23.
Environmental specifications
Peripheral cards not qualified by Dell
Peripheral cards greater than 25W
PCIe SSD drives
GPU cards
Express flash
LRDIMM
Non-redundant PSU configurations