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2.3. DATA Ports (NMEA0183)
2.3.1. Overview
Every MFD8/12 and MFD BB has THREE full NMEA0183 I/O Data Ports. One is
available on the DATA1 7-Pin Connector and is pin compatible with Navnet 1/vx2
DATA1 Connector. Two additional NMEA Ports are available on the DATA2 18-Pin
connector.
These NMEA connections can accept a baud rate of 4800 or 38.4K. Any instrument
(GPS, AIS, Smart Sensor, etc…) can be connected to any port.
Heading input to NavNet 3D will allow functions such as Radar Overlay and course
stabilization (North Up, Course Up, etc.) in Radar operating modes. The NMEA 0183
heading refresh rate needs to be 100ms (or faster) in order for the Radar ARPA function
to work properly. If ARPA is not used, the refresh rate of heading information can be
200ms (5 times per second) to support radar overlay on the plotter. NavNet 3D will not
accept heading if the refresh rate is only set to 1 sec. NMEA0183 heading can be
accepted on any NMEA port at a baud rate up to 38.4kbps. Note that changing the
baud rate on any of the three NMEA0183 Data ports will affect both the receive and
transmit baud rate. In other words, data sent and received must use the same baud
rate for each individual data port.
Please refer to the Appendix for installation example with the Furuno Pilot or Magnetic
Compass PG500R
Note: - Heading data from a NMEA2000 source/sensor will always be at the correct
refresh speed for the DRS ARPA function
2.3.2. DATA 1 description
DATA1 uses a 7 Pin round plug. Usually, DATA1 will be used to directly connect a
Furuno GPS GP320B (BBWGPS).
Other NMEA0183 compatible device (Compass, AIS, Sounder, Smart Sensor…) can be
connected by using a 7pin connector-to-pigtail cable (P/N 000-154-028).