Simrad AP21 and AP22 Autopilots
74 20220596G
4.18 Interfacing
With the autopilot system there are several possibilities to
connect to other equipment for data exchange:
1. J3000X includes a single NMEA input/output port.
2. J300X includes two NMEA input/output ports and Clock Data
interface to Anritsu and Furuno radars.
3. The optional NI300X NMEA Interface (expansion) Unit with
4 additional NMEA input/output ports.
The NMEA output may also drive IS15 instruments directly.
The different connecting diagrams below illustrate the interface
possibilities.
Note ! See also Interface Settings, page 94.
4.19 Single NMEA input/output
RX1
RX1+
MAIN PCB
DATABOX (NMEA Input)
Vbat+
Spare
Gnd
Red Wh
Bn
Gn Blk
TX1
TX1+
NMEA
Output
NMEA listener
NAV RECEIVER
OR PLOTTER
(NMEA talker)
JUNCTION UNIT
RUDDER instr.
COMPASS instr.
RADAR
Figure 4-18 Single NMEA connection