Heat Dissipation - Huawei SmartAX MA5600T Hardware Description

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Figure 1-59 External connections of the cabinet (underfloor cabling)
distribution

1.3.10 Heat Dissipation

This topic describes the ventilation of the N66E-22 cabinet.
The N66E-22 cabinet has a fan tray at the top of the service shelf to exhaust hot air for heat
dissipation.
The ventilation of the N66E-22 cabinet is shown in
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Issue 24 (2018-07-30)
DC power
cabinet
MDF
The ventilation for the upper shelf of the N66E-22 cabinet is as follows:
a. Cold air enters the cabinet through the front of the cooling space.
b. The air flows upward through the upper shelf.
c. The air is exhausted from the top of the cabinet.
The ventilation for the lower shelf of the N66E-22 cabinet is as follows:
a. Cool air enters the service shelves through the bottom of the cabinet and the bottom
of the service shelf.
b. The air flows upwards through the service shelves.
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DC PDU
Fan tray
Fan tray
Figure
ODF
MDF
1-60.
1 Cabinet
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