Reference Guide
Operating temperature derating specications
Table 13. Operating temperature
Operating temperature derating Specications
< 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft)
above 950 meters (3,117 ft).
35°C–40°C (95°F–104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above
950 meters (3,117 ft).
> 45°C (113°F) Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above
950 meters (3,117 ft).
Relative humidity specications
Table 14. Relative humidity specications
Relative humidity Specications
Storage 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere
must be noncondensing always.
Operating 10% to 80% relative humidity with 29°C (84.2°F) maximum dew
point.
Temperature specications
Table 15. Temperature
specications
Temperature Specications
Storage –40°C–65°C (–40°F to 149°F)
Continuous operation (for altitude less than 950 m or 3117 ft) 10°C–35°C (50°F to 95°F) with no direct sunlight on the
equipment.
Fresh air For information about fresh air, see Expanded Operating
Temperature section.
Maximum temperature gradient (operating and storage) 20°C/h (68°F/h)
NOTE: Some congurations require a lower ambient temperature for more information, see the Standard operating temperature
specications.
20 Technical specications