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Dolphin Maritime Software Ltd.



NDC2A NMEA Data Combiner

(Order Code HANMNDC2)


The Actisense™ NMEA Multiplexer / Combiner allows connection of up to four NMEA (National Marine Electronics Association) inputs to be multiplexed / combined in to one NMEA output.

This approach offers these major advantages:
  • enables the vessel owner complete access to all NMEA data sources, instead of the standard one device,
  • each NMEA input device is Opto-isolated from all other NMEA device in the system,
  • any NMEA data not required can be easily filtered out to reduce the total amount of NMEA data in the system.
  • each input and output Baud rate can be changed to match the requirements of connected devices.

Electrical spike protection is provided as standard on all four input channels using opto-isolators. This protects any connected equipment from most system faults; a particularly valuable benefit as equipment requiring the most data, such as a PC or chart plotter, is often the most expensive to repair or replace.

The NDC-2 Data Multiplexer contains highly intelligent software that manages the multiplexing and filtering operation, allowing every input to have a chance of its data reaching the combined NMEA output. Tested up to and beyond a combined 300% loading of the four inputs.
Copyright © 2005Dolphin Maritime Software Ltd.