Garmin GPSMAP 8700 Manuel d'instructions d'installation - Page 4
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• You can connect one NMEA 0183 device to the Rx port to
input data to this chartplotter, and you can connect up to
three NMEA 0183 devices in parallel to the Tx port to receive
data output by this chartplotter.
• See the NMEA 0183 device installation instructions to identify
the transmit (Tx) and receive (Rx) wires.
• You must use 28 AWG, shielded, twisted-pair wiring for
extended runs of wire. Solder all connections and seal them
with heat-shrink tubing.
• Do not connect the NMEA 0183 data wires from this device
to power ground.
• The power cable from the chartplotter and the NMEA 0183
devices must be connected to a common power ground.
• The internal NMEA 0183 ports and communication protocols
are configured on the chartplotter. See the NMEA 0183
section of the chartplotter owner's manual for more
information.
• See the chartplotter owner's manual for a list of the approved
NMEA 0183 sentences that the chartplotter supports.
NMEA 0183 Device Connections
This diagram illustrates two-way connections for both sending
and receiving data. You can also use this diagram for one-way
communication. To receive information from a NMEA 0183
device, refer to items
,
Garmin device. To transmit information to a NMEA 0183 device,
refer to items
,
,
,
device.
Item
Description
Power source
Power cable
NMEA 0183 device
NMEA 0183 cable
Item
Garmin Wire
Function
Power
Power ground
Data ground
Rx/A (In +)
Rx/B (In -)
Tx/A (Out +)
Tx/B (Out -)
If the NMEA 0183 device has only one input (receive, Rx) wire
(no A, B, +, or -), you must leave the pink wire unconnected.
If the NMEA 0183 device has only one output (transmit, Tx) wire
(no A, B, +, or -), you must connect the white/orange wire to
ground.
NMEA 0183 with Audio Cable Pinout
The NMEA 0183 with audio cable includes bare wires and an
RCA connector for an audio out connection to a stereo,
4
,
,
, and
when connecting the
, and
when connecting the Garmin
Garmin Wire
NMEA 0183
Color
Device Wire
Function
Red
Power
Black
Power ground
Black
Data ground
White/orange
Tx/A (Out +)
White
Tx/B (Out -)
Gray
Rx/A (In +)
Pink
Rx/B (In -)
including Fusion
®
stereos. This optional cable (010-12390-21)
can be purchased from
garmin.com
After installing, you can connect the RCA connector to the AUX
input of the stereo, so the chartplotter's HDMI input is output to
the stereo.
This pinout information is for the NMEA 0183 with audio cable.
Port
Wire Function
Input port 1
Rx/A (In +)
Input port 1
Rx/B (In -)
Output port 1
Tx/A (Out +)
Output port 1
Tx/B (Out -)
Input port 2
Rx/A (In +)
Input port 2
Rx/B (In -)
Output port 2
Tx/A (Out +)
Output port 2
Tx/B (Out -)
Input port 3
Rx/A (In +)
Input port 3
Rx/B (In -)
Input port 4
Rx/A (In +)
Input port 4
Rx/B (In -)
N/A
Audio Common
N/A
Audio Right Channel
N/A
Audio Left Channel
N/A
Alarm
N/A
Accessory on
N/A
Ground (shield)
N/A
Spare
Lamp or Horn Connections
The device can be used with a lamp, a horn, or both, to sound or
flash an alert when the chartplotter displays a message. This is
optional, and the alarm wire is not necessary for the device to
function normally. When connecting the device to a lamp or
horn, observe these considerations.
• The alarm circuit switches to a low-voltage state when the
alarm sounds.
• The maximum current is 100 mA, and a relay is needed to
limit the current from the chartplotter to 100 mA.
• To toggle visual and audible alerts manually, you can install
single-pole, single-throw switches.
or your local Garmin dealer.
Wire Color
Pin Number
White
White/orange
Gray
Pink
Brown
White/brown
Blue
White/blue
Violet
White/violet
White/black
Red/white
Blue/red
Red
White
Yellow
Orange
Black
N/A