X
Categories

NDC-4: NMEA 0183 Multiplexer

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 type of data, like a GPS for example. When the primary source on input 1 fails, it will switch to input 2...
Read More

Configuring an 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 data from AIS devices can quickly 'flood' the standard 4800 baud bandwidth at this output...
Read More