Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2006-04-04
2009-12-15
Kumar, Pankaj (Department: 2419)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C370S419000, C370S216000, C398S045000
Reexamination Certificate
active
07633967
ABSTRACT:
Methods and apparatus for allowing a dense wave division multiplexing (DWDM) line card w to function as an add/drop multiplexer (ADM), a transponder, and a muxponder are disclosed. According to one aspect of the present invention, a line card suitable for use in a network to aggregate signals of different line rates for transport includes a first arrangement having ADM functionality, a second arrangement having transponder functionality, and a third arrangement having muxponder functionality. The line card also includes hardware that facilitates communication between the arrangements, as well as a plurality of ports arranged to receive a signal and to provide the signal to the hardware.
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Bianchi David
Chiesa Luca Della
Gazzola Maurizio
Johnson, Jr. Ronald Dale
Maddox Jeffrey Douglas
Cisco Technology Inc.
Foud Hicham B
Kumar Pankaj
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