Electrical Ring Distribution Interface for an Optical Transceiver
First Claim
1. In an optical-to-electrical interface, a ring connection method for distributing signals, the method comprising:
- electrically connecting a plurality of nodes in a series-connected ring;
receiving an optical signal at a first node from a service provider;
converting the optical signal to an electrical signal;
distributing the electrical signal via the ring; and
,at each node, supplying the electrical signal from a customer interface.
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Abstract
A ring connection system and method are provided for distributing signals in an optical-to-electrical interface. The method electrically connects a plurality of nodes in a series-connected ring, and receives an optical signal at a first node from a service provider. The method converts the optical signal to an electrical signal, and distributes the electrical signal via the ring. At each node, the electrical signal is supplied from a customer interface. Typically, each node has a plurality of customer interfaces. In one aspect, ITU-T G.984.3 Giagbit-capable Passive Optical Network (GPON) optical signals are received converted to a customer interface electrical signal such as an Ethernet, asynchronous transfer mode, or time division multiplexed signal. Electrically connecting the plurality of nodes in the series-connected ring includes: series connecting the nodes in a North ring; and, series connecting the nodes in a South ring, opposite in direction from the North ring.
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Citations
22 Claims
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1. In an optical-to-electrical interface, a ring connection method for distributing signals, the method comprising:
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electrically connecting a plurality of nodes in a series-connected ring; receiving an optical signal at a first node from a service provider; converting the optical signal to an electrical signal; distributing the electrical signal via the ring; and
,at each node, supplying the electrical signal from a customer interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A ring-connected optical network unit (ON-U) for distributing signals, the ONU comprising:
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an optical port for transceiving optical signals; an optical-to-electrical translation module having an interface connected to the optical port, and an interface for transceiving electrical signals; a first (North) ring port connected to the translation module for the ring-connected transceiving of electrical signals; a second (South) ring port connected to the translation module for the ring-connected transceiving of electrical signals; and
,a customer interface port to transceive electrical signals with a user. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A system of ring-connected optical network units (ONU) for distributing signals, the system comprising:
a plurality of ONUs, each ONU including; an optical port for transceiving optical signals; an optical-to-electrical translation module having an interface connected to the optical port, and an interface for transceiving electrical signals; a first (North) ring port connected to the translation module to transceive electrical signals between a first ONU neighbor; a second (South) ring port connected to the translation module to transceive electrical signals between a second ONU neighbor; and
,a customer interface port to transceive customer interface electrical signal with a user. - View Dependent Claims (22)
Specification