HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
2 NE40E-X16 Chassis Overview
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Rated current of the air-break
2.2.4 AC Power Supply System
This section describes the appearance, functions, and the technical parameters of the AC
power supply system.
Figure 2-8 and Figure 2-9 show the appearance of the AC power supply system.
Figure 2-8 Front view of the AC power supply system
Figure 2-9 Rear view of the AC power supply system
Figure 2-10 diagrams the AC power supply system of the NE40E-X16. The input AC power is
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.
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