Furuno MFD8/12/BB manual Wiring Information, Pin No, Color, Function, Remark Port No

Wiring Information

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

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