Optical frame format

Details Optical frame format Optical frame format

2005-07-05

2005-07-05

Negash, Kinfe-Michael (Department: 2633)

Optical communications

Multiplex

Optical switching

C398S051000, C398S054000, C398S056000, C398S049000, C370S471000, C370S474000

Reexamination Certificate

active

06915078

ABSTRACT:
An optical cross-connect switch (12) includes and optical matrix14for passing optical communication data between an origination I/O port (20) and a destination I/O port (22). Control information is passes between the origination I/O port (20) and the destination I/O port (22) in transport frames24. The transport frames include multiple framing bytes indicative of the start of a frame (24) and stuff bytes at regular intervals to ensure adequate bit transitions in the control information data stream. Payload bytes carrying control information are positioned between stuff bytes. The stuff bytes have different bit values from the framing bytes in multiple bit positions to allow false framing only if there are multiple bit errors in the stuff frame.

REFERENCES:
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patent: 6522803 (2003-02-01), Nakajima et al.
patent: 6529300 (2003-03-01), Milton et al.
patent: 6542268 (2003-04-01), Rotolo et al.
patent: 2004/0165816 (2004-08-01), Oikawa et al.

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