Environmental Specifications; Cooling Specifications - Lenovo Campus Series Installation Manual

Environmental Specifications

Cooling Specifications

26
CE0128TB/CE0128PB/CE0152TB/CE0152PB Installation Guide
The environmental specifications of the CE0128TB/CE0128PB/CE0152TB/CE0152PB
Series switches are listed in the following table:
Table 9.
CE0128TB/CE0128PB/CE0152TB/CE0152PB Environmental Specifications
Specification
Temperature, operating
Temperature, storage
Humidity (non-condensing), operating
Humidity (non-condensing), storage
Altitude
The cooling specifications of the CE0128TB/CE0128PB/CE0152TB/CE0152PB Series
switches are listed in the following tables:
Table 10.
CE0128TB and CE0152TB Cooling Specifications
Specification
Number of Fans
Fan Speed
Table 11.
CE0128PB and CE0152PB Cooling Specifications
Specification
Number of Fans
Fan Speed
Measurement
0°C to +50°C (32°F to 122°F)
-20°C to +70°C (-4°F to 158°F)
5% to 95%
0% to 95%
0 to 3000 m (0 to 9843 ft)
Description
2
Automatic high and low speed
depending on internal temperature
Description
3
Automatic high and low speed
depending on internal temperature