The DC power module has the following functions:
The USG9520 power module can output straight-through power and provide the following
functions:
l
Surge protection, filtering, and short circuit protection
l
Alarm
lists the technical specifications of the DC power module.
Table 1-28
Technical specifications of the DC power module
Item
Parameter
Model
CR52PEMA
Dimensions (Height × Width ×
Depth)
40 mm × 100 mm × 190 mm
Weight
0.7 kg
Number of inputs
1
Maximum input voltage range
-72 V DC to -38 V DC
Rated input voltage range
-48 V DC to -60 V DC
Input current
42 A (Each power supply input with at least 42 A
current is recommended.)
Output voltage
-72 V DC to -38 V DC
Outgoing current
42 A
Current of customer's air
breakers for power distribution
50 A (Each module corresponds to an air breaker.)
1.3.4.3 AC Power Supply System
This section describes the appearance, functions, and technical specifications of the AC power
module and AC power distribution box (PDB).
NOTE
If a newly shipped USG9520 uses the 2200 W AC power module, which requires the 2200 W AC PDB
and power cable with the C19 straight connector. The USG9520 shipped earlier uses the 1600 W AC
power module, which requires the 1600 W AC PDB and power cable with the C13 straight connector.
2200 W AC Power System
The USG9520 2200 W AC PDB has a 1 U standard modular structure. It contains the
R4850G2 AC power module. Both the 2200 W AC PDB and R4850G2 AC power module are
hot-swappable.
shows the AC PDB and its panel.
HUAWEI USG9500 Series
Hardware Guide
1 Hardware Overview
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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