Fan Speed Adjustment - Huawei NE40E Hardware Description

NE40E
Hardware Description
exhausts air from the rear top and rear bottom. The system draws air for heat dissipation.
Figure 1-90 shows air flows.
Figure 1-90 Diagram of air flows

1.9.6.2 Fan Speed Adjustment

This section describes the fan Speed adjustment.
When the fan tray assembly of a 1T or lower device rotates at its full speed, the maximum
power of the fan tray assembly is 500 W.
When the system is in full configuration, the temperatures reported by the temperature sensors
on the LPUs, SFUs, and MPUs serve as the basis for fan speed adjustment.
The 1T or lower device complies with the following principles.
Ambient
Temperat
ure
Issue 01 (2018-05-03)
Rotational Noise and Dissipation Standards
Speed
1 Hardware Description
193