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eSight V300R009C00 Operation Guide 10

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Network Troubleshooting

Network Troubleshooting

When faults occur on a GPON network, eSight will report the faults through alarms. You can troubleshoot the faults based on the alarm information in a timely manner. In the case when you ignore the alarm reported by eSight, but receive a fault report from the end user, you are advised to rectify the fault from the user side to the network side according to the following procedure.


Choose Fault > Current Alarms from the main menu to view the current alarms.


  1. Monitor the ONU UNI. For details, see Monitoring ONU UNI.
  2. Monitor the ONU. For details, see Monitoring ONU.
  3. Monitor the connection between the ONU and OLT. For details, see Monitoring the Link Between ONU and OLT.
  4. Monitor the OLT. For details, see Monitoring OLT.
  5. Monitor the upstream port of the OLT. For details, see Monitoring OLT Uplink Interface.
Updated: 2019-09-07

Document ID: EDOC1100011877

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