Optical waveguides – With optical coupler – Switch
Reexamination Certificate
2005-09-13
2005-09-13
Healy, Brian M. (Department: 2883)
Optical waveguides
With optical coupler
Switch
C385S016000, C385S015000, C398S045000, C398S050000, C398S056000
Reexamination Certificate
active
06944364
ABSTRACT:
Methods, apparatus and systems for regenerating, monitoring and bridging optical signals through an optical cross-connect switch to provide increased reliability. A self testing method, apparatus and system for an optical cross-connect switch. An optical-to-electrical-to-optical converter (O/E/O) is provided in an optical cross-connect switch to provide optical-electrical-optical conversion. I/O port cards having an optical-to-electrical-to-optical converter are referred to as smart port cards while I/O port cards without an optical-to-electrical-to-optical converter are referred to as passive port cards. Test port/monitor cards are also provided for testing optical cross-connect switches. Methods, apparatus and systems for performing bridging, test access, and supporting redundant optical switch fabrics are also disclosed.
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Ramaswami Rajiv
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