•
A terminator must be installed at each end of the backbone. The terminator can be a
terminator plug or a unit with built-in terminator.
A
A
A
A
C
C
D
B
B
B
B
E
A
NMEA 2000 device
B
Drop-cable
C
Terminator
D
Power supply
E
Backbone
Powering the NMEA 2000 network
The network requires its own 12 V DC power supply, protected by a 3 amp fuse.
For smaller systems: connect power at any location in the backbone.
For larger systems: connect power at a central point in the backbone to balance the voltage
drop of the network. Make the installation such that the load/current draw on each side of
the power node is equal.
Ú
Note:
1 LEN (Load Equivalency Number) equals 50 mA current draw.
Ú
Note:
Do not connect the NMEA 2000 power cable to the same terminals as the engine
start batteries, autopilot computer, bow thruster or other high current devices.
Video IN and NMEA 0183
The unit has a combined Video IN and NMEA 0183 connector. The connector is labelled
VIDEO on the rear of the unit.
Wiring
| Zeus³S Installation Manual
19
Summary of Contents for Zeus3S
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