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3.9 VHF connection
US B
P WR/Da ta
S Tng
GP S ANT
VHF ANT
Connect up your AIS unit to your vessel’s VHF connections by
following the steps found under Connecting RF and Connecting
NMEA0183 (low baud rate) below:
1
2
Connecting RF
3
1. Connect a dedicated VHF antenna directly to the VHF antenna
connector on your AIS unit, or
2. Using a VHF splitter (not included) link your AIS unit into
the ships existing VHF radio set and antenna following the
instructions provided with the VHF splitter.
4
Connecting NMEA0183 (low baud rate)
Connect the AIS unit’s 4800 baud NMEA0183 bus to the vessel’s
VHF radio as follows:
1. Identify the 4800 baud NMEA0183 wires on the AIS units
power/data cable.
2. Identify the 4800 baud NMEA0183 wires on your VHF set
3. Connect the wires as shown below.
D12089-1
NMEA0183 (low baud rate) connection to VHF
Item
AIS wire
color
AIS signal
VHF wire
color
VHF signal
1.
Yellow
IN –
Brown
OUT –
2.
Gray
IN +
Blue
OUT +
3.
Pink
OUT –
Purple
IN –
4.
Purple
OUT +
Gray
IN +
Note: The wire colors on your VHF may differ to that shown
above, if this is the case then ensure you have connected the
correct signals (e.g. IN - on the AIS connects to OUT - on your
VHF and so on).
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AIS350 / AIS650 Installation instructions