Furuno NAVNET 3D MFD8/12/BB Installation Manual page 24

Wiring Information
Pin No.
18 Light green
17 Pink
16 Purple
15 White
14 Gray
13 Yellow
12 Black/White
11 Black
10 Blue/White
9 Blue
8 Green/White
7 Green
6 Orange/White
5 Orange
4 Brown/White
3 Brown
2 Red/White
1 Red
Color
NET-C IN (0V)
NET-S IN (+12V IN)
Shield
BUZZER or EVENT IN
SPEED-ALARM C
SPEED-ALARM H
+12V
GND
RD3-C
RD3-H
TD3-B
TD3-A
GND
GND
RD2-C
RD2-H
TD2-B
TD2-A
Function
NMEA 2000 Power IN.
When 12V DC power is
applied on these pins, the
N2K port will be powered
(up to 1 ampere)
External Buzzer Output or
MOB/Event Input (Contact
Closure)
Speed alarm contact.
Can trigger and external
alarm or device when
speed reaches a setup limit
External buzzer power
ONLY (100mA Max)
GND for Event/MOB Input
Port 3
Port 2
24
Remark (Port No.)