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Stacking of units in a passive optical network

  • US 8,406,627 B2
  • Filed: 09/27/2010
  • Issued: 03/26/2013
  • Est. Priority Date: 09/27/2010
  • Status: Expired due to Fees
First Claim
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1. A method performed by a main ONU (Optical Network Unit), which is connected to an OLT (Optical Line Terminal) in a PON (Passive Optical Network), of stacking an additional ONU, the method comprising:

  • discovering a connected additional stacked ONU;

    if the connected additional stacked ONU is unknown, then assigning an available temporary virtual cardholder to the stacked ONU, the stacked ONU being non-operational in the assigned temporary virtual cardholder;

    notifying the OLT of the discovered additional stacked ONU;

    creating circuit pack managed entities to represent the additional stacked ONU.

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