Method for diagnosing constant optical network units in Ethernet passive optical network
A passive optical network and network unit technology, applied in the field of time division multiple access communication, can solve the problem of ONU not working normally, and achieve the effects of good deployment, improved satisfaction, and improved reliability
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[0028] In the method for diagnosing long-emitting optical network units in the Ethernet passive optical network EPON of this specific embodiment, a plurality of optical network units ONUs connected to the optical line terminal OLT are arranged in the described Ethernet passive optical network, and the method specifically includes The following steps:
[0029] Step 1: Realize the function of receiving optical power detection on the OLT equipment, so that it periodically detects the value of the received optical power of each ONU, stores the values detected in the last five cycles, and calculates the average optical power.
[0030] Step 2, the OLT allocates a time slot for sending data to each of the ONUs through the dynamic bandwidth allocation DBA agent module, and actively adds a virtual ONU, that is, allocates a different virtual time slot, and allocates a corresponding startTime to it (send start time) and length (send data time length). Each ONU should not send data in ...
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