Alarm Clearing Condition
When the input optical power exceeds the LOS threshold for the input optical power by 0.5
dB, the alarm is cleared.
2.3.1.3 ALM-65546 EDFA Input High Power Alarm
Description
When the input optical power of the EDFA PUMP switch is higher than 10 dBm, this alarm is
generated.
Attribute
Alarm ID
Alarm Severity
Alarm Type
65546
Critical
Fault alarm
Parameter
Parameter
Description
Frame
Subrack number of the EDFA
Slot
Slot number of the EDFA
OptModule
Index of the HFA
current input optical
power
Actual input optical power
Impact on the System
The EDFA service life is affected.
Possible Cause
The input optical power is higher than 10 dBm.
Handling Procedure
Check the line and decrease the input optical power.
Alarm Clearing Condition
When the input optical power is lower than 9.5 dBm, the alarm is cleared.
EDFA0820-D
Routine Maintenance Guide
2 Common Alarm Handling
Issue 02 (2018-07-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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