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Optical master unit alarm collector and translator

  • US 10,453,330 B1
  • Filed: 09/14/2018
  • Issued: 10/22/2019
  • Est. Priority Date: 09/14/2018
  • Status: Active Grant
First Claim
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1. A computer-implemented system, comprising:

  • a remote terminal unit (RTU) configured to receive alarm information and communicate alarm event information to a control center;

    an optical master unit (OMU) configured to receive alarm information from sensors at remote locations; and

    a circuit board configured to serve as a middle device between the RTU and the OMU and comprising;

    a microcontroller that communicates with the OMU and processes replies from the OMU to confirm the existence of and identify the type of an alarm at a particular remote location;

    multiple output relays connected to the RTU and corresponding to remote alarms, each output relay associated with a particular sensor at a remote location; and

    an input relay for communicating with the OMU.

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