Fan Speed Adjustment - Huawei NE40E Hardware Description

NE40E
Hardware Description
The fan module of the NE40E-X3 is located at the air exhaust vent. The system draws in air
for heat dissipation, as shown in Figure 1-74 and Figure 1-75.
Figure 1-74 Air flow in the NE40E-X3 DC chassis
Figure 1-75 Air flow in the NE40E-X3 AC chassis
The heat dissipation system consists of the following components:
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1.9.1.2 Fan Speed Adjustment

When the system is fully configured, temperatures reported by the temperature sensors on the
Interface boards and MPUs serve as the basis for fan speed adjustment. Table 1-96 lists
general principles.
Table 1-96 Fan Speed Adjustment Principles
Ambient
Temperat
ure
Issue 01 (2018-05-03)
One fan module
An air intake vent and an air exhaust vent
An air filter
Fans on power modules
Rotational
Speed
Noise and Dissipation StandardsSR
1 Hardware Description
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