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Common Alarm Handling
2.1 Alarm Severities and Description
Alarms are categorized into the following 4 severities:
Alarm Severities
Alarm Severity Description
Critical
A fault has occurred and caused service interruption. Recovery
measures need to be taken immediately.
Major
A fault has occurred and service interruption gradually becomes
serious. Recovery measures need to be taken instantaneously.
Minor
A fault has occurred but has not caused any service interruption.
Recovery measures need to be taken as soon as possible to prevent
any serious problems or service interruption.
Warning
No fault has occurred but a potential service risk exists. The device
has not been obviously affected. Diagnostic measures need to be
taken to eliminate the potential risk and avoid any serious service-
interrupting problems.
2.2 Alarm Query
Click
Browse Current Alarm
on the workbench of the U2000, and alarm information and
handling suggestions of the EDFA are displayed.
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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