Heat Dissipation System Of The Ne40E-X16; System Air Channel; Fan Speed Adjustment - Huawei NE40E Hardware Description

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Hardware Description

1.9.5 Heat Dissipation System of the NE40E-X16

The NE40E-X16 supports four fan modules. Each fan module consists of one fan.

The NE40E-X16 is divided into an upper chassis and a lower chassis; it draws in air from the

front and exhausts air from the rear. The air intake vent on the upper chassis 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 lower chassis and the upper chassis are opposites. The upper chassis and the

lower chassis also have separate heat dissipation systems.

The middle area of the NE40E-X16 is for SFU slots. The air intake vent of this area is located

on the left of the chassis. Two upper SFU slots in the area draw in air from the left. When

flowing to the right, the air joins the air from the upper chassis. Two lower SFU slots in the

area also draw in air from the left. When flowing to the right, the air joins the air from the

lower chassis.

Figure 1-86 shows the air flow in the NE40E-X16.

Figure 1-86 Air flow in the NE40E-X16

This section describes the fan speed adjustment.

Issue 01 (2018-05-03)

1 Hardware Description

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