1. Manuals
  2. Brands
  3. Huawei Manuals
  4. Control Unit
  5. EDFA0820-D
  6. Routine maintenance manual

Huawei EDFA0820-D Routine Maintenance Manual

Hide thumbs
Table of Contents

Quick Links

EDFA0820-D
V100R019C00
Routine Maintenance Guide
Issue
02
Date
2018-07-02
HUAWEI TECHNOLOGIES CO., LTD.
Table of Contents
loading

Related Manuals for Huawei EDFA0820-D

Summary of Contents for Huawei EDFA0820-D

  • Page 1 EDFA0820-D V100R019C00 Routine Maintenance Guide Issue Date 2018-07-02 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    About This Document About This Document Overview This document describes in detail routine maintenance of the EDFA0820-D (EDFA for short), and provides the common alarm handling and troubleshooting methods. Symbol Conventions The symbols that may be found in this document are defined as follows.
  • Page 4 It has some changes in 2.3.2.1 ALM-65538 EDFA High Temperature Alarm and a new addition of 2.3.2.2 ALM-65547 EDFA Super High Temperature Alarm. 2018-04-20 This issue is the first official release. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    1.1.1 Basic Maintenance Requirements..........................1 1.1.2 Other Precautions................................ 2 1.2 Routine Maintenance Purpose and Item......................... 3 1.3 Maintenance Tools................................4 1.4 How to Obtain Huawei Technical Support........................5 2 Common Alarm Handling......................6 2.1 Alarm Severities and Description...........................6 2.2 Alarm Query................................... 6 2.3 Alarm Description and Handling............................7...
  • Page 6 3.5.5 The ACT Indicator Is Off............................34 3.5.6 The LASER Indicator Is Off............................34 A Device Indicator Description....................36 B PMI checklist..........................37 C Acronyms and Abbreviations....................40 Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Routine Maintenance Guide

    1.1.1 Basic Maintenance Requirements Requirements on maintenance personnel The personnel who are responsible for installing and maintaining Huawei devices must be strictly trained to get familiar with the proper operation methods and safety precautions before device installation, operation, or maintenance.

  • Page 8: Other Precautions

    If faults persist, contact Huawei technical support engineers. Immediately power off the device and contact Huawei technical support engineers for solutions when the following problems occur: – The device is exposed to the rain or other liquid enters the device.

  • Page 9: Routine Maintenance Purpose And Item

    Power cable connection Power cables must be correctly and securely connected to the device. The power indicator must be steady green. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Maintenance Tools

    657A2 fiber patch cords is no less than 15 mm. NOTE It is recommended that the device be checked quarterly. 1.3 Maintenance Tools Please prepare the following maintenance tools. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 11: How To Obtain Huawei Technical Support

    1.4 How to Obtain Huawei Technical Support If you fail to locate or rectify the faults encountered in device maintenance or troubleshooting with the help of this document, you can contact the Huawei customer service center (CSC) for technical support.

  • Page 12: Common Alarm Handling

    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. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Alarm Description And Handling

    EDFA0820-D Routine Maintenance Guide 2 Common Alarm Handling 2.3 Alarm Description and Handling This section describes the alarms of the U2000 and corresponding handling suggestions. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Edfa Optical Power Alarms

    Determine whether the lower optical power threshold is proper. If it is improper, modify it. If it is proper, increase the input optical power. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Alm-65545 Edfa Input Los Power Alarm

    Note that input low threshold (the low input optical power alarm threshold for the EDFA) is configurable. Handling Procedure Check the cables and increase the input optical power. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Alm-65546 Edfa Input High Power Alarm

    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. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Alm-65537 Edfa Output Power Alarm

    Check and reduce the output threshold. Alarm Clearing Condition When the output optical power exceeds the preset alarm threshold by 0.5 dB, the alarm is cleared. 2.3.2 EDFA Temperature Alarms Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Alm-65538 Edfa High Temperature Alarm

    (hysteresis range: 1°C). 2.3.2.2 ALM-65547 EDFA Super High Temperature Alarm Description When the EDFA temperature exceeds the super high temperature alarm threshold, an alarm is generated. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Edfa Pump Alarms

    1, the alarm is cleared (hysteresis range: 1°C). 2.3.3 EDFA PUMP Alarms 2.3.3.1 ALM-65539 EDFA Pump1 Current Alarm Description When the current of EDFA PUMP1 exceeds the preset alarm threshold, this alarm is generated. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Alm-65540 Edfa Pump1 Temperature Alarm

    2.3.3.2 ALM-65540 EDFA PUMP1 Temperature Alarm Description The temperature of PUMP1 exceeds the upper threshold. The temperature of PUMP1 is below the lower threshold. Alarms are generated for both scenarios. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Alm-65541 Edfa Pump2 Current Alarm

    When the temperature of PUMP1 is between the upper and lower thresholds, the alarm is cleared. 2.3.3.3 ALM-65541 EDFA PUMP2 Current Alarm Description When the current of EDFA PUMP2 exceeds the preset alarm threshold, this alarm is generated. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Alm-65542 Edfa Pump2 Temperature Alarm

    2.3.3.4 ALM-65542 EDFA PUMP2 Temperature Alarm Description The temperature of PUMP2 exceeds the upper threshold. The temperature of PUMP2 is below the lower threshold. Alarms are generated for both scenarios. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Fan Alarms

    When the temperature of PUMP2 is between the upper and lower thresholds, the alarm is cleared. 2.3.4 Fan Alarms 2.3.4.1 ALM-4097 Fan Speed Alarm Description When the fan-rotating speed is lower than 800 rpm, this alarm is generated. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Alm-4098 Fan Temperature Alarm

    EDFA temperature rises and its service life is affected. Possible Cause The fan is blocked or damaged. Handling Procedure Contact the Huawei to replace the fan. Alarm Clearing Condition When the fan-rotating speed exceeds 800 rpm, the alarm is cleared. 2.3.4.2 ALM-4098 Fan Temperature Alarm...

  • Page 25: Power Supply Alarms

    When the internal power voltage of the device is higher than 14 V or lower than 10 V, this alarm is generated. Attribute Alarm ID Alarm Severity Alarm Type 4100 Major Fault alarm Parameter Parameter Description Frame Subrack number of the EDFA Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Alm-4106 Device Power Suppy Failure Alarm

    Frame Subrack number of the EDFA Slot Slot number of the EDFA Impact on the System The EDFA device is hosted, and the CATV service is unavailable. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Other Alarms

    There is no HFA, and the CATV service is interrupted. Possible Cause The cable is removed manually or loose. Handling Procedure Insert the removed fan tray or contact Huawei engineers. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Alm-256 Uart Communication Fail Alarm

    The communication between the main control board and the HFA is normal. 2.3.6.3 ALM-4102 Mainboard start up Event Description When the control module restarts or is powered on, this event is generated. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Alm-4103 Version Not Compare Alarm

    When the version of the internal HFA of the service module is inconsistent with that of the control board, this alarm is generated. Attribute Alarm ID Alarm Severity Alarm Type 4103 Minor Fault alarm Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Alm-4105 Device Log Full Event

    Alarm Type 4105 Warning Event Parameter Parameter Description Frame Subrack number of the EDFA Slot Slot number of the EDFA Log Type 1: security log; 2: operation log Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Run the set logserver command to set the parameters for the log server. Alarm Clearing Condition It is an event and does not need to be cleared. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Common Troubleshooting

    Assume that the PUMP switch and other EDFA configurations are normal, and the end face of the optical power meter is clean when the preceding fault occurs. Possible cause Fiber or port end faces are not clean, or fibers are faulty. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 PON signal check. Perform troubleshooting from backward to forward segment by segment based on the following steps (port IDs in the steps are the same as those in the Figure 3-1). Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 EDFA0820-D Routine Maintenance Guide 3 Common Troubleshooting Figure 3-2 Troubleshooting for abnormal ODF optical power (CATV signal check) Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Abnormal Mer Value

    According to the test result, the MER value at end A is normal (that is, greater than or equal to 38 dB), and the MER value at end B is abnormal (that is, less than 38 dB). Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Common Fan Module Faults

    Ensure that the input end face of the CATV is clean and the input optical power of the EDFA is normal. Contact Huawei technical support engineers if the MER value is still abnormal after the preceding two steps are performed.

  • Page 37: Common Control Module Faults

    Scenario 1: The device cannot communicate normally when setting up a connection. Scenario 2: The device cannot communicate normally during normal operation. Possible causes and procedures In scenario 1: Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Common Power Module Faults

    -72 V to -38.4 V. Hardware is faulty. Contact Huawei technical support engineers. 3.5 Common Service Module Faults Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 39: The Edfa-Fail Indicator Is Red

    Please refer to 3.3 Common Fan Module Faults. Other hardware is faulty. Contact Huawei technical support engineers. 3.5.3 The EDFA-In Indicator Is Red Symptom The EDFA-In indicator is red. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 40: The Pwr Indicator Is Off

    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. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Routine Maintenance Guide 3 Common Troubleshooting Possible causes and procedures Possible causes Procedures The PUMP is disabled. Enable the PUMP. Hardware is faulty. Contact Huawei technical support engineers. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 42: A Device Indicator Description

    Off: The service module is faulty. LASER l Green: The PUMP of the HFA is turned on. l Off: The PUMP of the HFA is turned off; hardware is faulty. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: B Pmi Checklist

    Air vents of the Air vents of the EDFA and the □Pass EDFA and the cabinet are not blocked. Air intake □Fail cabinet and exhaust are normal. □N/A Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 If any device indicator indicates NOTE □Fail an abnormality, see sections For details about □N/A Common Alarm Handling the indicators, see A Device Common Troubleshooting. Indicator Description. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 30 mm, and that for G.657A1 and G. 657A2 fiber patch cords is no less than 15 mm. NOTE It is recommended that the device be checked quarterly. Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 46: C Acronyms And Abbreviations

    Acronyms and Abbreviations Acronym / Abbreviation Full Name CATV Cable TeleVision EDFA Erbium-doped Optical Fiber Amplifier High-Power Fiber Amplifier Modulation Error Rate Optical Distribution Frame Optical Line Terminal Issue 02 (2018-07-02) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

Table of Contents