HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
5 NE40E-8 Chassis Overview
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
BootROM refers to Boot Read Only Memory and it stores bootstraps used during the startup.
Synchronous Dynamic Random Access Memory (SDRAM) stores the communication data of the
components and CPU.
Non-Volatile Random Access Memory (NVRAM) is an important storage medium. It stores
configuration files and information about the status of the running system.
5.2 Power Supply
This section describes the basic contents of the power module.
The NE40E-8 support DC power input and AC power input. The power module of the NE40E
includes:
DC-DC convertor
AC-DC power module
The DC-DC convertor and the AC-DC power module cannot be used together on the same
device.
Do not operate the power module when it is powered on.
Power modules of the NE40E-8 support hot swap and 1+1 backup.
Special slots are prepared for power modules of the NE40E-8 . The power modules are at the
bottom of the chassis and covered by a plastic panel for preventing dust.
5.2.1 DC Power Supply Module
This section describes the appearance, functions, and technical parameters of the DC power
supply module.
Appearance
Figure 5-3 shows the DC power supply module on the NE40E-8.
If the power devices need a large number of power lines, please according to DPD300-4-12 Power
Distribution Box, Dual-Two Inputs.
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