HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
2 NE40E-X16 Chassis Overview
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
If the power devices need a large number of power lines, please according to DPD300-4-12 Power
Distribution Box, Dual-Two Inputs.
Figure 2-6 Appearance of the NE40E-X16's PEM
The LED indicators on the PEM of the NE40E-X16 are described in Table 2-3.
Table 2-3 Description of the indicators of the PEM
Indicates normal power output. If the indicator is steady on,
it implies the normal output.
Power failure indicator. If the indicator is steady on, it
indicates the following:
The lightning protection link of the power module
failed.
The power modules does not have input power.
If the NE40E-X16 has a DC power supply system, eight 70 A PEMs work in 4+4 backup
mode. Figure 2-7 shows details of the DC power supply system.
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.
In Figure 2-7, each DC power input contains one -48 V power input and one RTN input. Two separated
RTN input are joined on the board.
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