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HUAWEI USG9500 Series
Hardware Guide
2.
3.
4.
5.
2.3.7 Installing Power Cables - AC Power Distribution
When the USG9560 uses AC power supply, one external AC power chassis is added to the
DC power supply system to form an AC power supply system. Four AC power cables are
used to connect each AC power chassis to the AC PDF.
Context
Never install power cables when the power is on.
Before installing power cables, ensure that the device is adequately grounded.
l With the 110 V AC power supply, the USG9560 must use 110 V dual-live-wire AC input
l As the USG9560 does not support AC power chassis management, the DB9 interface on
l
l
Issue 03 (2017-12-15)
The power cables are fixed securely and have sufficient contact with the terminals.
The cables in the corner are unbent.
The power cable labels are filled in and attached to the cables as required. All labels are
neat and face the same direction, allowing for easy viewing.
The power cable, ground cable, and signal cable are bound separately. The distance
between them must be greater than 3 cm.
DANGER
NOTICE
to meet the maximum system power consumption requirements with the full configuration.
This is because AC power modules are half-load output with 110 V AC input, which
cannot meet system power consumption requirements.
the rear of an AC power chassis does not need to connect to the monitoring cable in the
installation auxiliary material package.
There is a length of copper core inside the cable. Do not connect anything to the core.
AC power distribution cables
Cable
DC cables
NEG cable
from the
device to
the AC
power
chassis
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