2.3.6.1 ALM-768 Slot plug off Alarm................................................................................................................................21
2.3.6.2 ALM-256 Uart Communication Fail Alarm...........................................................................................................22
2.3.6.3 ALM-4102 Mainboard start up Event.................................................................................................................... 22
2.3.6.4 ALM-4103 Version not compare Alarm.................................................................................................................23
2.3.6.5 ALM-4105 Device Log Full Event........................................................................................................................ 24
3.1 Abnormal ODF Optical Power..................................................................................................................................... 26
3.2 Abnormal MER Value.................................................................................................................................................. 29
3.3 Common Fan Module Faults........................................................................................................................................ 30
3.3.1 The Fan Cannot Rotate.............................................................................................................................................. 30
3.3.2 The Fan Rotates at Full Speed All the Time..............................................................................................................30
3.4 Common Control Module Faults..................................................................................................................................31
3.4.1 The Device Fails to Communicate............................................................................................................................ 31
3.4.2 Common Power Module Faults.................................................................................................................................32
3.5 Common Service Module Faults.................................................................................................................................. 32
3.5.1 The EDFA-Fail Indicator Is Red................................................................................................................................33
3.5.2 The ALM Indicator Is Red........................................................................................................................................ 33
3.5.3 The EDFA-In Indicator Is Red.................................................................................................................................. 33
3.5.4 The PWR Indicator Is Off..........................................................................................................................................34
3.5.5 The ACT Indicator Is Off.......................................................................................................................................... 34
3.5.6 The LASER Indicator Is Off......................................................................................................................................34
EDFA0820-D
Routine Maintenance Guide
Contents
Issue 02 (2018-07-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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