Filtering Data Using the NDC-4

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• NDC-4 Inputs not working

  If only a single input on the NDC-4 seems to be receiving data, please check that your NDC-4 is not in autoswitch mode. When in this mode, only data from input 1 will be used. This function is designed for when using more than one source of the same ...

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• Configuring the NDC-4 for AIS

  We offer the NDC-4 preconfigured for AIS devices (product code: NDC-4-AIS).  This will have "OPTO IN 2" set to communicate at 38400 baud by default and filters applied to this input to prevent the data appearing at "ISO OUT 1" as the large volume of ...

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