Cisco SNS 3755 Manuale di installazione dell'hardware - Pagina 36
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Power Specifications
Table 5: Environmental Specifications
Description
Temperature, Operating
Temperature, Extended Operating
Temperature, non-operating (when the server is stored
or transported)
Humidity (RH), operating
Humidity (RH), non-operating
Altitude, operating
Altitude, non-operating
Maximum Operating Duration
Sound power level
Measure A-weighted per ISO7779 LwAd (Bels)
Operation at 73°F (23°C)
Sound pressure level
Measure A-weighted per ISO7779 LpAm (dBA)
Operation at 73°F (23°C)
Power Specifications
Note
The power specifications for the supported power supply options are listed in the following sections.
Cisco Secure Network Server 3700 Series Appliance Hardware Installation Guide
32
Do not mix power supply types or wattages in the server. Both power supplies must be identical.
Specification
Dry bulb temperature of 10°C to 35°C (50°F to 95°F)
Derate the maximum temperature by 1°C (33.8°F) per every 305 meters of
altitude above 900m
5°C to 40°C (41°F to 104°F) with no direct sunlight
Derate the maximum temperature by 1°C (33.8°F) per every 305 meters of
altitude above 900m
Dry bulb temperature of 40 °C to 65 °C (-40°F to 149 °F)
10% to 90% and 28°C (82.4°F) maximum dew-point temperature,
non-condensing environment
Minimum to be higher (more moisture) of -12 ˚C (10.4 ˚F) dew point or 8%
relative humidity
Maximum to be 24 ˚C (75.2 ˚F) dew point or 90% relative humidity
5% to 93% relative humidity, non-condensing, with a maximum wet bulb
temperature of 28 °C across the 20 °C to 40 °C dry bulb range.
A maximum elevation of 3050 meters (10,006 feet)
An elevation of 0 to 12,000 meters (39,370 feet)
Unlimited
5.5
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Server Specifications