Optical network using multiplexed payload and OAM signals

Details Optical network using multiplexed payload and OAM signals Optical network using multiplexed payload and OAM signals

1995-12-28

1997-09-02

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359125, 359118, 359137, 359139, 370360, H04J 1402, H04J 1408

Patent

active

056638205

ABSTRACT:
In a first node of an optical network, an OAM (operations, administration and maintenance) controller produces an electrical OAM signal to control an optical cross-connect switch. This OAM signal is converted to an optical OAM signal and optically multiplexed with an optical payload signal associated with an optical path established in the cross-connect switch, producing an optical multiplex signal which is transmitted. A second node of the network demultiplexes the transmitted signal into an optical payload signal and an optical OAM signal, the latter being converted to an electrical OAM signal and used by an OAM controller of the second node for updating the OAM information. The updated OAM information is used to control the optical cross-connect switch of the second node. The demultiplexed optical payload signal is associated with an optical path established in the cross-connect switch of the second node.

REFERENCES:
patent: 5303078 (1994-04-01), Brackett et al.

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