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System and method for accessing embedded channels

  • US 5,623,480 A
  • Filed: 05/26/1995
  • Issued: 04/22/1997
  • Est. Priority Date: 04/02/1992
  • Status: Expired due to Term
First Claim
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1. A maintenance system for a signal having a plurality of embedded communication channels, the system comprising:

  • a receiver for receiving the signal;

    an access circuit for simultaneously accessing at least a portion of the channels, wherein each channel is asynchronous to the signal;

    a circuit selectively overwriting one or more bits in at least one of the accessed channels at the signal rate, wherein the bit order of the signal is maintained; and

    a performance monitor for continuously monitoring the signal and the accessed channels.

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