Ite-
m
Device
Cable
color
Port
Input /
output
Posi-
tive (+)
/ nega-
tive (-)
5
Orange /
white
2
Input
Positive
6
Orange /
green
2
Input
Nega-
tive
7
*
*
Output
Positive
8
*
*
Output
Nega-
tive
9
*
*
Input
Positive
10
NMEA
device
*
*
Input
Nega-
tive
11
*
*
Output
Positive
12
NMEA
device
*
*
Output
Nega-
tive
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.
4.10 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.
44
a Series / c Series / e Series installation instructions
Содержание E-Series
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Страница 34: ...34 a Series c Series e Series installation instructions...
Страница 86: ...86 a Series c Series e Series installation instructions...
Страница 100: ...100 a Series c Series e Series installation instructions...
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