Huawei USG9500 Series Hardware Manual page 279

HUAWEI USG9500 Series
Hardware Guide
Result
Table 2-5 Indicators on the AC power chassis
Item
Operation
indicator
Protection
indicator
Fault
indicator
DC output
voltage
Table 2-6 Device indicators
Item
PEM
FAN
Issue 03 (2017-12-15)
Color Status Description
Green If the indicator is
steady green, the AC
power chassis is
running properly. If
the indicator is off, an
exception occurs.
Yellow If the indicator is off,
the AC power chassis
is running properly. If
the indicator is on, an
exception occurs.
Red If the indicator is off,
the AC power chassis
is running properly. If
the indicator is on, an
exception has
occurred.
- The normal voltage
ranges from -43.2 V
DC to -57 V DC.
Indicator Color
RUN Green
ALM Red
STATUS Green
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2 Hardware Installation
Possible Exception Causes
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.
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).
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.
-
Status Description
If the indicator is steady green, the
PEM has normal output.
Alarm indicator. If the indicator is
steady red,
l The lightning protection circuit of
the PEM is faulty.
l There is no power input.
If the indicator blinks once every two
seconds (0.5 Hz), the FAN is working
properly.
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