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Wiring | HDS Gen2 Touch Installation Manual
In smaller NMEA 2000 systems, the power connection may be made
anywhere in the system,
For larger systems introduce power at a central point in the
backbone to ‘balance’ the voltage drop of the network. Use a power
cable without termination.
¼ Note: When joining a NMEA 2000 network with a Simrad SimNet
network, it is important that you do not introduce power to both.
¼ Note: Do not connect the power cable to the same terminals as the
autopilot computer, pulse radar, bow thruster or other high current
devices - the network may be aected by voltage drop when these
devices are operated. Avoid connection to the engine starting
batteries where possible.
The following diagram demonstrates a typical small NMEA 2000
network:
+
_
12 V DC
TT
9
8
5
7
6
43
2
1
9
1 GPS antenna
2 HDS Display
3 Broadband radar interface
4 SonicHub
5 ‘Drop’ cables (should not exceed 6m (20’) each)
6 Power cable
7 Micro-C T junctions
8 Backbone
9 Micro-C terminator (one male, one female)