A6X And A7X To Nmea 0183 Dsc Vhf Radio Connection - Raymarine A Series Installation And Operation Instructions Manual

It- Cable
em Device color
1 Multi- White
function
2 Green
display
3 Yellow
4 Brown
5 Orange /
white
6 Orange /
green
7 NMEA *
device
8 *
9 *
10
*
11 NMEA
*
device
12 *
Note: *Refer to instructions provided with the
NMEA 0183 device.
NMEA 0183 cable
You can extend the NMEA 0183 wires within the
supplied power and data cable.
Data cable extension
Total length (max)
Up to 5 m
72
Positive
Input / (+) / neg-
Port output ative (-)
1 Input Positive
1 Input Negative
1 Positive
Output
1 Output Negative
2 Input Positive
2 Input Negative
* Output Positive
* Output Negative
* Input Positive
Input Negative
*
Positive
* Output
* Output Negative
Cable
High quality data cable:
• 2 x twisted pair with overall
shield.
• 50 to 75 pF/m capacitance
core to core.
4.22 a6x and a7x to NMEA 0183 DSC
VHF radio connection
To connect an a6x and a7x variant MFDs to an
NMEA 0183 DSC radio a SeaTalk
converter must be used to convert the SeaTalk
messages to NMEA 0183 messages.
The MFD and converter must be connected to the
same SeaTalk ng backbone.
1
2
12 V dc
8
ng
SeaT alk
12 V dc
1 a6x / a7x MFD
2 SeaTalk ng spur cable
3 SeaTalk ng to NMEA 0183 bare wires spur cable
4 Converter NMEA 0183 negative connection (yellow
wire)
5 NMEA 0183 device input negative connection (purple
wire)
6 Converter NMEA 0183 positive connection (red wire)
7
NMEA 0183 device input positive connection (grey
wire)
8
NMEA 0183 DSC VHF Radio
9 SeaTalk ng power cable (only required if not connecting
to an existing powered SeaTalk
10 Converter
11 NMEA 0183 connection (use cable supplied with VHF
radio)
Note: The connection at the VHF radio must be to
the NMEA 0183 input only. It is a uni-directional
(one-way) connection.
ng to NMEA 0183
ng
3 4 5
— —
+ +
6 7
9
12 V dc*
10
11
NMEA 0183 **
ng backbone.
a Series / c Series / e Series
D12833-1