Result
Table 2-5
Indicators on the AC power chassis
Item
Color
Status Description
Possible Exception Causes
Operation
indicator
Green
If the indicator is
steady green, the AC
power chassis is
running properly. If
the indicator is off, an
exception occurs.
There is no main AC power
being input. The AC input
voltage is higher or lower than
the normal range, or the AC
power chassis has no output.
Protection
indicator
Yellow
If the indicator is off,
the AC power chassis
is running properly. If
the indicator is on, an
exception occurs.
A temperature alarm is
generated (if the temperature
exceeds 65°C, the AC power
chassis will be powered off), or
the AC power chassis is in the
dormant state (the indicator is
on and no alarm is generated).
Fault
indicator
Red
If the indicator is off,
the AC power chassis
is running properly. If
the indicator is on, an
exception has
occurred.
The AC power chassis is
powered off due to over-voltage
or over-temperature, or fans are
faulty, or the AC power chassis
has no output due to its internal
faults.
DC output
voltage
-
The normal voltage
ranges from -43.2 V
DC to -57 V DC.
-
Table 2-6
Device indicators
Item
Indicator
Color
Status Description
PEM
RUN
Green
If the indicator is steady green, the
PEM has normal output.
ALM
Red
Alarm indicator. If the indicator is
steady red,
l
The lightning protection circuit of
the PEM 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.
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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