Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2006-03-21
2006-03-21
Chin, Wellington (Department: 2664)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S537000, C370S538000, C370S539000, C370S540000, C370S544000, C370S907000, C370S419000, C370S458000, C370S395700, C375S354000, C375S371000, C327S144000, C327S153000
Reexamination Certificate
active
07016344
ABSTRACT:
A SONET multiplexed system architecture that permits greater levels of integration. The architecture includes a time slot interchanger for routing information from at least one SONET input signal path associated with a respective first time slot to at least one SONET output signal path associated with a respective second time slot. Each input signal path includes a pointer interpreter, and each output signal path includes a FIFO buffer serially coupled to a pointer generator. The architecture further includes a synchronization buffer in each input signal path for transferring the input signal to the clock rate of the time slot interchanger. The architecture permits greater levels of integration when the time slot interchanger has more inputs than outputs, and/or the time slot interchanger provides the output signal to a pointer processor to transfer the output signal to the clock rate of the output signal path.
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Applied Micro Circuits Corporation
Chin Wellington
Mew Kevin
Weingarten Schurgin, Gagnebin & Lebovici LLP
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