HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
3 NE40E-X8 Chassis Overview
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3.3 Heat Dissipation System
This section describes the appearance, functions, and specifications of the heat dissipation
system.
3.3.1 System Air Channel
This section describes the NE40E-X8's system air channel.
The NE40E-X8 draws in air from the front and exhausts air from the rear. The air intake vent
is located above the board area on the front chassis; the air exhaust vent is located above the
board area on the rear chassis.
The two fan modules of the NE40E-X8 are located side by side at the air exhaust vent, with
each module containing one fan.The entire system dissipates heat by drawing in air, as shown
in Figure 3-11.
Figure 3-11 Air flow in the NE40E-X8
3.3.2 Air Intake Vent
An air filter is installed over the air intake vent of the NE40E-X8. The air filter has a curved
face, large area, and small windage resistance. These features help to improve heat dissipation
efficiency.
3.3.3 Fan Module
This section describes the appearance of the fan module.
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