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Monitoring unit configuration management

  • US 8,836,475 B2
  • Filed: 04/18/2011
  • Issued: 09/16/2014
  • Est. Priority Date: 04/18/2011
  • Status: Active Grant
First Claim
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1. A monitoring device configured to monitor cargo, the monitoring device comprising:

  • a key fob interface configured to;

    communicate with an external key fob configured to temporarily interface with the monitoring device by providing the monitoring device with action data indicative of an action to be performed and a serial number that indicates a key fob credential status; and

    generate a wake up signal when communicating with a key fob;

    a memory configured to store a serial number list that includes at least one valid serial number associated with one or more key fobs permitted to interface with the monitoring device;

    a processing unit coupled to the key fob interface and the memory, the processing unit configured to;

    receive a wakeup signal generated by the key fob interface,access, via the key fob interface, a serial number and action data provided by a key fob;

    determine whether a serial number provided by a key fob is valid or invalid by reviewing the serial number list; and

    control the monitoring device in accordance with accessed action data in response to determining that a serial number provided by a key fob is valid.

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