Item
Indicator
Color
Status Description
ALM
Red
Alarm indicator. If the indicator is
steady red:
l
The lightning protection circuit of
the power module is faulty.
l
There is no power input.
FAN
STATUS
Green
If the indicator blinks once every two
seconds (0.5 Hz), the FAN is working
properly.
Red
If the indicator blinks once every two
seconds (0.5 Hz), the fan module or
power module is faulty, or the power
module does not have input power.
MPU
RUN
Green
From the time the MPU is powered on
until it is registered, the indicator status
changes from off, blink once every 250
ms (4 Hz), off, steady on, and then to
blink once every two seconds (0.5 Hz).
After the MPU is registered, the MPU
is working properly if the indicator
blinks at 0.5 Hz.
NOTE
Possible causes for an off indicator include:
l
The BootROM is damaged.
l
The MPU cannot be powered on.
Possible causes for the indicator blinking
quickly include:
l
The CF card is faulty.
l
The other control chips on the MPU are
faulty, preventing the MPU from
initializing.
ALM
Red
If the indicator is steady off, the MPU is
in the normal state. If the indicator is
steady red, an alarm is generated.
2.4.12 Powering On the USG9520 - AC Power Distribution
Check whether the USG9520 is operating properly with the AC power supply. Power on the
USG9520 according to the following requirements to ensure device security.
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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