Simrad NAIS-400 - Installation and Setup; Preparing for installation

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About your AIS class B transceiver | NAIS-400 User Manual
Electrical connections
The AIS transceiver has the following electrical connections:
• Power supply
• Two independent NMEA 0183 data ports for connection to chart-
plotters and other NMEA 0183 compatible equipment
• USB port for connection to a PC or Mac
• External switch input for silent mode control
• NMEA 2000 port for connection to NMEA 2000 compatible equip-
ment.
In addition there are two other connections for the VHF antenna
and the external GPS antenna. Figure 3 shows an overview of the
electrical connections to the AIS transceiver.
Fig. 3 Electric connections
Power in
NMEA 2000
Switch
NMEA0183
device
Chartplotter
USB
NAIS-400
Chartplotter
Switch
Power in
NMEA 0183
device
USB
NMEA 2000
NAIS-400
Figure 3 Electrical connections to the AIS transceiver