Stacking of units in a passive optical network
First Claim
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.
1 Assignment
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Accused Products
Abstract
Using the conventional OMCI-model for handling stacking of additional ONUs to a main ONU (Optical Network Unit) connected to an OLT (Optical Line Terminal) in a PON (Passive Optical Network), when the main ONU is not provided with any chassis with physical slots for insertion of the additional units. Instead, the main ONU is initialized to be provided with a virtual chassis that includes a number of temporary virtual cardholders for assigning to an unknown connected stacked ONU, and a number of non-temporary virtual cardholders for assigning to a known stacked connected ONU. From a management perspective, the virtual cardholder corresponds to a physical cardholder/slot according to the conventional OMCI-model.
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Citations
18 Claims
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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:
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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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method performed by an OLT (Optical Line Terminal) connected to a main ONU (Optical Network Unit) in a PON (Passive Optical Network) of stacking an additional ONU to the main ONU, the method comprising:
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receiving a notification from the main ONU of a discovered connected unknown additional stacked ONU; provisioning a non-temporary virtual cardholder for assignment to the discovered additional stacked ONU; sending provisioning information to the main ONU. - View Dependent Claims (8, 9, 10)
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11. An ONU (Optical Network Unit) connectable to an OLT (Optical Line Terminal) in a PON (Passive Optical Network), the ONU arranged to handle stacking of an additional ONU, the ONU comprising:
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a communication device comprising a sender and a receiver for communicating with the OLT; a virtual chassis comprising one or more non-temporary virtual cardholders and one or more temporary virtual cardholders; a stacking device comprising a processing circuit, the stacking device configured to; discover a connected additional stacked ONU; assign an available temporary virtual cardholder to the additional stacked ONU, if the connected additional stacked ONU is unknown, wherein the additional stacked ONU is non-operational in the assigned temporary virtual cardholder; notify a connected OLT of the discovered additional stacked ONU; create circuit pack managed entities to represent the additional stacked ONU. - View Dependent Claims (12, 13, 14, 15, 16)
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17. An OLT (Optical Line Terminal) connectable to a main ONU (Optical Network Unit) in a PON (Passive Optical Network), the OLT arranged to handle stacking of a additional stacked ONU to the main ONU, the OLT comprising:
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a communication device comprising a sender and a receiver for communicating over the PON; a stacking device comprising processing circuit, the stacking device configured to; receive a notification from the main ONU of a discovered connected unknown additional stacked ONU; provision a non-temporary virtual cardholder for assignment to the discovered additional stacked ONU; send provisioning information to the main ONU. - View Dependent Claims (18)
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Specification