Fan Module Indicators; Power Supply Indicators - Huawei S7700 Hardware Description

S7700 Smart Routing Switch
Hardware Description

7.1 Fan Module Indicators

This section describes the fan module indicators.
Table 7-1
Table 7-1 Description of the fan module indicators
Name
Status

7.2 Power Supply Indicators

This section describes the power supply indicators.
DC power supply indicators are installed on the DC power supply panel through the light pipe.
Table 7-2
Table 7-2 Indicators on a 1600 W DC power supply panel
Indicator
ALM
INPUT
Table 7-3
Issue 02 (2012-09-10)
describes the fan module indicators.
Color
Green
Red
lists the indicators on a DC power supply panel.
Color
Red
Green
describes the AC power supply indicators.
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Description
If the indicator blinks (0.5 Hz), it indicates that the fan
module works normally, and the communication is
normal.
If the indicator blinks (4 Hz), it indicates that the fan
module works normally, but the communication is
abnormal.
If the indicator blinks (0.5 Hz), it indicates that an alarm
is generated, but you cannot determine whether to
replace the fan module. It is recommended that you
check the situation for certain time.
If the indicator is on, it indicates that the fan module is
faulty and you need to replace them.
Description
If the indicator is on, the protection circuit fails.
If the indicator is off, the protection circuit is working
properly.
If the indicator is on, the -48 V power input is in the
allowed range.
If the indicator is off, the -48 V power input is unavailable.
7 List of Indicators
173