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4.3 a9x and a12x connections overview
The a9x and a12x variant MFDs include the following
connections.
D13068-1
1 2 3 4 5 6
1. Sonar transducer (a97 and a127) / DownVision
TM
transducer (a98 and a128)
2. SeaTalk
ng
3. Network 1 (RayNet)
4. Network 2 (RayNet)
5. Power and data
6. GA150 antenna
4.4 Power connection a6x and a7x
0
0
0
0
0
1
6
2
4
5
3
D12581-2
1. Multifunction display rear panel connections.
2. Power cable.
3. Connection to 12 V power supply
4. Red cable (positive).
5. Shield (drain) wire (thin black wire; must be
connected to RF ground point).
6. Black cable (negative).
Power distribution
Raymarine recommends that all power connections
are made via a distribution panel.
All equipment must be powered from a breaker or
switch, with appropriate circuit protection.
All equipment should be wired to individual
breakers if possible.
Warning: Product grounding
Before applying power to this product,
ensure it has been correctly grounded, in
accordance with the instructions in this
guide.
Grounding Dedicated drain wire
The power cable supplied with this product includes
a dedicated shield (drain) wire for connection to a
vessel's RF ground point.
It is important that an effective RF ground is
connected to the system. A single ground point
should be used for all equipment. The unit can be
grounded by connecting the shield (drain) wire of
the power cable to the vessel's RF ground point.
On vessels without an RF ground system the shield
(drain) wire should be connected directly to the
negative battery terminal.
The dc power system should be either:
Negative grounded, with the negative battery
terminal connected to the vessel's ground.
Floating, with neither battery terminal connected
to the vessel's ground
Warning: Positive ground systems
Do not connect this unit to a system which
has positive grounding.
54 a Series / c Series / e Series
54


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