Ac Power Supply System - Huawei Eudemon8000E Series Manual

HUAWEI Eudemon8000E Firewall
Hardware Description
Figure 3-6 Architecture of the E8000E-X8 DC power supply system

3.6.3 AC Power Supply System

This section describes the architecture of the AC power supply system.
Figure 3-7
converted into regulated DC power by an AC/DC converter. The resulting DC power output is
connected to the PEMs through external cables to supply power for all boards and fan modules.
Two -48V power inputs are joined on the board.
After the low-frequency filtering, the two -48 V power inputs for fans are joined inside the fan
module.
Issue 01 (2012-11-07)
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FAN
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PEM A2
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PEM B2
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PEM B1
ba ckplan e
diagrams the AC power supply system of the E8000E-X8. AC power input is
NOTE
In Figure 3-7, each DC power input contains one -48 V power input and one RTN input. Two separated
RTN inputs are joined on the board.
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FAN
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3 E8000E-X8 Chassis Overview
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