Pem - Huawei NE40E Hardware Description

NE40E
Hardware Description
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Two AC power modules or two DC power modules work in 1+1 backup mode to improve the
reliability of power supply. Figure 1-32 shows the diagram of the power supply system.
Figure 1-32 Diagram of the power supply system

1.8.2.2 PEM

The PEM is a 48V DC power entry module.
Overview
Table 1-20 Power attributes
Attribute
Description
BOM
Model
Table 1-21 Mapping products and versions
Product
NE40E-X3A
Appearance
Issue 01 (2018-05-03)
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. Both DC
power modules and AC power modules support IIC communications.
Description
48V DC Power Entry Module
02121615
CR5B0PWRDC71
Earliest Software Version
V800R007C00
1 Hardware Description
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