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20221032B 105
4.20 Interfacing to Optional Equipment (THD,
Navigation Receiver, etc.)
With the AP50 autopilot system, there are several options for
connection to other equipment for data exchange:
1. The J50 Junction Unit includes two NMEA input/output ports
and a Clock Data heading interface to Simrad and Furuno
radars. Only the J50-2 port (NMEA input 2) accepts NMEA
heading sentences.
2. The optional NI300X NMEA Interface (expansion) Unit
includes 4 additional NMEA input/output ports.
The following connecting diagrams illustrate the interfacing
possibilities.
Note ! See also “Interface Set-up” page 126 and the NMEA sentence
table page 68.
Single NMEA input/output
RX1
RX1+
MAIN PCB
NMEA Input 1
Vbat+
Sys. sel.
Gnd
TX1
TX1+
NMEA
Output1
NMEA listener
NAV RECEIVER
OR PLOTTER
(NMEA talker)
JUNCTION UNIT
RUDDER instr.
COMPASS instr.
RADAR
TB13
TB14
Figure 4-33 Single NMEA Connection