Huawei NetEngine40E Hardware Description

HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
4 NE40E-X3 Chassis Overview
Issue 01 (2012-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
92
4.2 Power Supply System
This chapter describes the power supply system of the NE40E-X3.
4.2.1 Architecture of the Power Supply System
This section describes the features of the power supply system.
The NE40E-X3 supports either DC or AC power supply.
Power modules convert the input voltage into -48 V DC voltage to supply power for the entire
system. The power dupply system has the following features:

The power supply system consists of two AC power modules or two DC power modules
working in 1+1 backup mode.

Both AC power modules and DC power modules support alarm functions. DC power
modules support I
2
C communications and AC power modules support RS485
communications.
4.2.2 Diagram of the Power Supply System
This section describes power supply system of the NE40E-X3.
Two AC power modules or two DC power modules work in 1+1 backup mode to improve the
reliability of power supply. Figure 4-6 shows the diagram of the power supply system.
Figure 4-6 Diagram of the DC power supply system
PEM 1
PEM 2
Boards
Backplane
MPU 4
LPU 1
LPU 3
LPU 2
MPU 5
FAN
4.2.3 DC Power Supply System
This section describes the appearance, functions, and technical parameters of the DC power
supply module.
The PEM of the NE40E-X3 is 1 U, as shown in Figure 4-7.
If the power devices need a large number of power lines, please according to DPD300-4-12 Power
Distribution Box, Dual-Two Inputs.

Huawei NetEngine40E Specifications

General

Brand	Huawei
Model	NetEngine40E
Category	Network Router
Language	English