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US 2015/0086191 A1Published application
Method and apparatus for optical transmitter and receiver redundancy within a directionless optical node
OwnerMark E. Boduch, Kimon Papakosinventors
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Abstract
Example embodiments of the present invention relate to an optical node comprising of at least two degrees, a plurality of directionless add/drop ports, a plurality of primary WDM transmitters and receivers, and at least one protection WDM transmitter and receiver, wherein the at least one protection WDM transmitter and receiver can transmit and receive in place of any of the plurality of primary WDM transmitters and receivers.
Claims24
An optical node comprising:
- at least two WDM degrees;
- a plurality of directionless add/drop ports;
- a plurality of primary WDM transmitters and receivers;
- and
- at least one protection WDM transmitter and receiver, wherein the at least one protection WDM transmitter and receiver can transmit and receive in place of any of the plurality of primary WDM transmitters and receivers.
2 more elements
A protection method comprising:
- providing a plurality of add/drop ports that allow a plurality of primary WDM transmitters and receivers be directed to more than one degree;
- providing a protection WDM transmitter and receiver;
- and
- providing a method of substituting the protection WDM transmitter and receiver for any of the primary WDM transmitters and receivers.
1 more element
Dependencies are inferred from the claim text.