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Multi-port, gigabit SERDES transceiver capable of automatic fail switchover

  • US 8,711,677 B2
  • Filed: 12/31/2012
  • Issued: 04/29/2014
  • Est. Priority Date: 10/29/2002
  • Status: Active Grant
First Claim
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1. A transceiver, comprising:

  • a first port configured to transmit and to receive data over a first plurality of lanes;

    a second port configured to transmit and to receive the data over a second plurality of lanes; and

    a switch selectively coupled to the first port and the second port;

    wherein the switch is configured to activate the second port and to deactivate the first port when;

    the data at a first lane from among the first plurality of lanes is misaligned, ora number of errors at a second lane from among the first plurality of lanes exceeds a threshold, andwherein the switch is further configured to begin its determination of whether the data at the first lane is misaligned substantially simultaneously with its determination of whether the number of errors at the second lane exceeds the threshold.

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