Simrad Autopilot AP26 - Manual (Page 77)

Installation
20221586B
75
3.20 Single NMEA input/output
RX
1 RX
1+
MAIN PCB
NMEA
Input 1
Vba
t+
Sy
s.
s
el.
Gn
d TX
1 TX
1+
NMEA
Output1
AUTOPILOT COMPUTER
TB13 TB14
Note
NAV RECEIVER
OR PLOTTER
(NMEA talker)
NMEA listener
IS15 RUDDER
IS15 COMPASS
RADAR
Figure 3-22 Single NMEA connection
Caution ! If an IS15 Instrument is powered from TB14 Vbat+ and Gnd,
please observe that Vbat output voltage will follow mains
supply voltage (IS15 Compass = 12V only!).
3.21 Double NMEA input/output
RX1 RX
1+
MAIN PCB
NMEA
Input 1
Vb
at+ Sy
s. s
e
l.
Gn
d TX1 TX
1+
NMEA
Output1
POWER PCB
TB8 TB9 TB10
RX
2 RX
2+
NMEA
Input2
TX2 TX
2+
NMEA
Output2
GPS or
CHARTPLOTTER
AC20/AC40 AUTOPILOT COMPUTER
TB13 TB14
GPS or
CHARTPLOTTER
Figure 3-23 Double NMEA connection