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10 Installation
NMEA2000 (300-L model only)
With the supplied cable connected to the NAIS-300,
connect the other end into the supplied T-connector, then
connect this into the vessels NMEA2000 network.
2.5 NMEA0183-HS (RS232 supplied)
This data cable is used to connect the NAIS-300 to a PC
or laptop in order to congure it, and for AIS enabled PC
chartplotter applications. For further information regarding
the wiring of this cable please refer to chapter 3.2
2.6 NMEA0183-HS (RS485 not supplied)
This data cable is used for connectivity to AIS enabled
chart plotters and other marine equipment with an
NMEA0183-HS interface. For wiring information, refer to
Figure 2.1.
(NMEA0183-HS is specied at 38.4kbaud and is not
compatible with conventional NMEA0183, which operates
at the lower speed of 4800baud)
2.7 Transmit disable switch (not supplied)
Any momentary action, push to make switch can be used.
Take a wire from each terminal of the switch and wire
them into the connector. Refer to figure 2.1. Because
there is negligible current drawn through this cable, any
suitable two core cable will do, providing it forms a good
seal once inserted in the grommet. Refer to section 4.3.
2.8 GPS antenna
The antenna, ideally needs to be mounted as low
as possible with a clear view of the sky to minimise
errors due to movement over and above the transitory
movement of the vessel.
The GPS antenna is capable of being flush mounted on
a suitable flat area of the cabin roof or deck area. In
this configuration, fit the supplied rubber gasket under
the antenna and use the four threaded studs, nuts and
washers to fix the antenna down.