2.5.3 USG9560 Power Distribution Design Guide
This section describes how to configure power distribution for the USG9560.
2.5.3.1 DC Power Distribution Guide
This section describes how to select DC power distribution cables and circuit breakers of the
DC PDF.
Figure 2-67
DC PEMB
PEMB A1
PEMB B2
PEMB B1
PEMB A2
A1
B2
B1
A2
a1
b2
b1
a2
lists the current parameters of each circuit breaker and each power line for the
Table 2-15
Current parameters of circuit breakers and power lines for the PDF (DC PEMB)
Item
Specification
Note
Each circuit breaker
(A1,A2,B1,B2)
≥ 60 A
To protect power supplies of
different levels, it is
recommended that the
current of the circuit breaker
on the user side be greater
than or equal to that of the
circuit breaker of the power
module (70 A).
Each power supply
(A1,A2,B1,B2)
≥60 A
To support the maximum
configuration, it is
recommended that each DC
power line should provide a
minimum of 60 A current.
HUAWEI USG9500 Series
Hardware Guide
2 Hardware Installation
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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