Raymarine Ray 90, Installation & Operation Instructions, Page: 31 / 108

4.7 NMEA 0183 connection
The NMEA 0183 wires can be used to connect the unit
to a NMEA 0183 GNSS (GPS) receiver or MFD.
1. Yellow = Receive positive (+) wire
2. Green = Receive negative (-) wire
3. White = Transmit positive (+) wire
4. Brown = Transmit negative (-) wire
The NMEA wires should be connected to a compatible
device as shown in the table below:
NMEA 0183 wires
NMEA 0183
device
Receive positive (+)
to
Transmit positive
(+)
Receive negative (-) to Transmit negative
(-)
Transmit positive (+)
to
Receive positive
(+)
Transmit negative (-) to Receive negative
(-)
4.8 Loud hailer connection
A Loud hailer (M95435) can be connected to the radio
using the loud hailer wires.
1
Positive (+) hailer wire (Purple)
2 Negative (-) hailer wire (Gray)
4.9 Connecting GNSS (GPS)
and VHF antennas
The radio must be connected to suitable GNSS and VHF
antennas (not supplied). The antenna connections must
be protected so it cannot come into contact with any
grounded bare metal.
Pre-requisites:
• Ensure you have installed your antennas in
accordance with the instructions supplied with the
antennas.
• Ensure the cables have been properly routed to
the Base station and that sufficient cable length is
available to make the connections.
1. Plug the antenna connector into the relevant antenna
connection on the Base station.
2. Secure by tightening the locking collars.
Cables and connections 31