Environmental Specifications
Table 7: Environmental Specifications for the Chassis
SpecificationDescription
50 to 95°F (10 to 35°C)
(As altitude increases, maximum temperature
decreases by 1°C per 300m.)
For general information, see the Cisco Unified
Computing System Site Planning Guide: Data Center
Power and Cooling.
Temperature, operating within altitude: 0 to 10,000
feet (0 to 3,000 meters)
–40 to 149°F (–40 to 65°C)Temperature, non-operating within altitude: 0 to
40,000 feet (0 to 12,000 meters)
Operating: 10-90%, 28°C max. wet bulb
Nonoperating: 5-93%, 38°C max wet bulb
Humidity (RH), noncondensing
Operating – 0 to 10000 feet (0 to 3000 meters) Above
10,000 feet, maximum temperature decreases by 1°C
per 1000 feet (~300 meters) above 10,000 feet
Nonoperating – 40,000 ft (12,000 m)
Altitude
83 dBA—at normal operating temperature.Sound Pressure Level
Environmental Conditions and Power Requirement Specifications for Twinax
SFP+ Transceivers
Table 8: Environmental Conditions and Power Requirement for the SFP+ Transceiver
UnitMax.Min.SymbolParameter
°C85–40TSStorage temperature
°C500TCCase temperature
V3.53.1VCCT,RModule supply
voltage
Cisco UCS X9508 Server Chassis Installation Guide
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Technical Specifications
Environmental Specifications