Huawei S7700 Hardware Description page 52

S7700 Smart Routing Switch
Hardware Description
Figure 3-9 Panel of an 800 W AC power supply
1
3
1. Power input
Table 3-4
Table 3-4 Indicators on an 800 W AC power supply panel
Indicator
RUN
ALM
FAULT
Issue 02 (2012-09-10)
2
ON
RUN
4
ALM
FAULT
OFF
RUN
ALM
FAULT
2. Handle
describes the indicators on an 800 W AC power supply panel.
Color
Green
Yellow
Red
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3. Switch
Description
If the indicator is on, the AC power input is in
the allowed range.
If the indicator is off and the FAULT indicator
or ALM indicator is on, a fault has occurred or
an alarm other than the overcurrent alarm is
generated.
If the indicator is on, a PS-off alarm,
overtemperature alarm, overvoltage alarm,
undervoltage alarm, or overcurrent alarm is
generated.
If the indicator blinks, communication with the
monitoring device MPU or CMU is interrupted.
If the indicator is off, the power supply is
working properly.
If the indicator is on, the power supply has a
fault that cannot be rectified.
If the indicator is off, the power supply has no
such fault.
3 Power Supply
4. Indicator
41