Possible causes and procedures
Possible causes
Procedures
The device receives CATV
signals abnormally.
Check whether the device receives any CATV signals.
The connector of the fiber patch
cord or the input port of the
EDFA is not clean.
Check whether the connector of the fiber patch cord or
the input port of the EDFA is clean using the fiber end-
face inspector.
Hardware is faulty.
Contact Huawei technical support engineers.
3.5.4 The PWR Indicator Is Off
Symptom
The PWR indicator is off.
Possible causes and procedures
Possible causes
Procedures
The power supply is faulty.
Please refer to
3.4.2 Common Power Module Faults
Other hardware is faulty.
Contact Huawei technical support engineers.
3.5.5 The ACT Indicator Is Off
Symptom
The ACT indicator is off.
Possible causes
Hardware is faulty.
Procedure
Contact Huawei technical support engineers.
3.5.6 The LASER Indicator Is Off
Symptom
The LASER indicator is off.
EDFA0820-D
Routine Maintenance Guide
3 Common Troubleshooting
Issue 02 (2018-07-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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