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NMEA 2000
NMEA 2000
Devices
NMEA 2000 connector details
2
1
3
4
5
Unit socket
(male)
1
2
5
4
3
Cable plug (female)
Pin
Purpose
1
Shield
2
NET-S (+12 V DC)
3
NET-C (DC negative)
4
NET-H
5
NET-L
External alarm wiring
The external alarm is connected through the power connector.
NC Isolated Alarm Circuit
Low Voltage Alarm
Bridge Alert
System
Power connector details
3
4
1
2
Unit socket
(male)
1
2
3
4
Cable plug (female)
Pin
Purpose
Color
1
DC negative
Black
2
External alarm output (N/C isolated contact)
Blue
3
External alarm output negative return
Yellow
4
+12/24 V DC
Red
36
Wiring
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