×

POTS battery removal for IP/ATM-based network equipment

  • US 7,715,530 B2
  • Filed: 04/25/2005
  • Issued: 05/11/2010
  • Est. Priority Date: 04/25/2005
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus for selectively providing power to an alarm system, comprising:

  • a first circuit configured to;

    receive a first signal indicative of a state of an optical connection to an optical network termination;

    receive a second signal indicative of a state of a virtual circuits of a Fiber to the Premises (FTTP) communication link; and

    produce an output based on the first and second signals;

    a power removal circuit configured to;

    receive the output of the first circuit at an enabling input;

    receive a power signal;

    pass the received power signal to a power removal circuit output when the output of the first circuit does not enable the power removal circuit.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×