Fault detection method in a kind of EPON and system

Fault detection method in a kind of EPON and system

  • CN 102,098,096 B
  • Filed: 12/11/2009
  • Issued: 06/15/2016
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
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1. the fault detection method in an EPON, it is characterised in that including:

  • The optical signal of the monitoring unauthorized time slot of up direction;

    The sending direction power supply state of any one optical network unit in multiple optical network units under change optical line terminal, if the optical signal now monitoring the unauthorized time slot of up direction changes, it is determined that this optical network unit being changed power supply state is trouble unit.

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