Optical communications – Diagnostic testing – Fault detection
Reexamination Certificate
2004-04-14
2009-12-08
Pascal, Leslie (Department: 2613)
Optical communications
Diagnostic testing
Fault detection
C398S185000
Reexamination Certificate
active
07630631
ABSTRACT:
Out-of-band data communication of diagnostic or other data is performed using transceivers in a data or communication network. A light beam or other carrier is modulated with high-speed data and out-of-band data to create a double modulated data signal. A physical layer signal is created that includes modulations of the double modulated signal. The physical layer signal is transmitted onto a physical link. The diagnostic or other data can be transmitted in the out-of-band signal without substantially reducing or otherwise interfering with the transmission rate of the high-speed data.
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Texas Instruments
Aronson Lew
Hosking Lucy
Mason Beck
Matuszkiewicz Marcin
Finisar Corporation
Pascal Leslie
Workman Nydegger
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