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Method and apparatus for switching between multiple communication lines

  • US 6,788,782 B1
  • Filed: 01/20/2000
  • Issued: 09/07/2004
  • Est. Priority Date: 01/20/2000
  • Status: Expired due to Fees
First Claim
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1. A line switching apparatus for switching between first and second network lines, the apparatus comprising:

  • a first terminal for receiving a first CPE line, the first terminal having first and second nodes;

    a first switching device having a common terminal for receiving a first network line, first and second switched terminals, and a control terminal for receiving a control signal, where the first switching device is configured to electrically couple the common terminal to the first switched terminal responsive to a first value of the control signal and electrically couple the common terminal to the second switched terminal responsive to a second value of the control signal, where the first switched terminal of the first switching device is coupled to the first node of the first terminal;

    a second switching device having a common terminal for receiving a second network line, first and second switched terminals, and a control terminal for receiving the control signal, where the second switching device is configured to electrically couple the common terminal to the second switched terminal responsive to a first value of the control signal and electrically couple the common terminal to the second switched terminal responsive to a second value of the control signal, where the second switched terminal of the second switching device is coupled to the second node of the first terminal.

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