Raymarine c125, Installation And Operation Instructions Manual

Page: 72 / 464

It-
em
Device
Cable
color
Port
Input /
output
Positive
(+) / neg-
ative (-)
1 White 1 Input Positive
2 Green 1 Input Negative
3 Yellow 1 Output Positive
4 Brown 1
Output
Negative
5 Orange /
white 2 Input Positive
6
Multi-
function
display
Orange /
green 2 Input Negative
7
* * Output
Positive
8 * * Output Negative
9 * * Input Positive
10
NMEA
device
* *
Input Negative
11 * * Output Positive
12
NMEA
device
* * Output Negative
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) Cable
Up to 5 m 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 ng to NMEA 0183
converter must be used to convert the SeaTalk ng
messages to NMEA 0183 messages.
The MFD and converter must be connected to the
same
SeaTalk ng backbone.
12 V dc
+
— —
+
4 3 5
2
8
1 1
D12833-1
1 0
1
S eaTalk
ng
12 V dc*
12 V dc
NMEA 0183 **
6 7
9
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 ng backbone.
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.
72
a Series / c Series / e Series