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Method and apparatus for monitoring a dedicated communications medium in a switched data network

  • US 5,898,837 A
  • Filed: 09/27/1996
  • Issued: 04/27/1999
  • Est. Priority Date: 02/23/1996
  • Status: Expired due to Term
First Claim
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1. A probe comprising:

  • a first port to communicatively couple with a first communications medium;

    a second port to communicatively couple with a second communications medium;

    a bypass circuit to forward communications from the first port to the second port when power to the probe is interrupted, said bypass circuit comprising a relay to alternately couple the first port and the second port to a repeater, or the first port to the second port; and

    a monitor to couple to the repeater to monitor the communications forwarded from the first port to the second port via the repeater when power to the probe is not interrupted.

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