appendix
nMEa 0183 Connection Diagrams
The following three connection diagrams are examples of different
situations you may encounter when connecting your NMEA 0183
device to the GHC 10.
Example one of three: two-way nMEa 0183 Communication
➋
➊
>
>
>
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GHC 10
➊
NMEA 2000 network (provides power to the GHC 10)
➋
12 VDC power source
➌
NMEA 0183-compatible device
➍
Wire GHC 10 Wire
Color - Function
N/A
➊
N/A
➋
Blue - Tx/A (+)
➌
White - Tx/B (-)
➍
Brown - Rx/A (+)
➎
Green - Rx/B (-)
➏
NOTE: When connecting NMEA 0183 devices with two transmitting
and two receiving lines, it is not necessary for the NMEA 2000 bus and
the NMEA 0183 device to connect to a common ground.
Example two of three: only one Receiving Wire
If your NMEA 0183-compatible device has only one receiving wire
(Rx), connect it to the blue wire (Tx/A) from the GHC 10, and leave the
white wire (Tx/B) from the GHC 10 unconnected.
➋
➊
>
>
>
GHC 10
➊
NMEA 2000 network (provides power to the GHC 10)
➋
12 VDC power source
➌
NMEA 0183-compatible device
➍
18
-
+
➌
➊
➋
➌
>
➍
>
➎
>
>
➏
nMEa 0183-Compatible Device Wire
Function
Power
NMEA 0183 ground
Rx/A (+)
Rx/B (-)
Tx/A (+)
Tx/B (-)
-
+
➌
➊
➋
➌
>
➍
➎
>
➏
>
Wire
GHC 10 Wire
Color - Function
N/A
➊
N/A
➋
Blue - Tx/A (+)
➌
White - unconnected
➍
Brown - Rx/A (+)
➎
Green - Rx/B (-)
➏
NOTE: When connecting a NMEA 0183 device with only one
receiving (Rx) line, the NMEA 2000 bus and the NMEA 0183 device
must be connected to a common ground.
Example three of three: only one transmitting Wire
If your NMEA 0183-compatible device has only one transmitting
➍
wire (Tx), connect it to the brown wire (Rx/A) from the GHC 10, and
connect the green wire (Rx/B) from the GHC 10 to NMEA ground.
➊
GHC 10
➊
NMEA 2000 network (provides power to the GHC 10)
➋
12 VDC power source
➌
NMEA 0183-compatible device
➍
Wire
GHC 10 Wire
Color - Function
N/A
➊
Green - Rx/B - connect
➋
to NMEA 0183 ground
Blue - Tx/A (+)
➌
White - Tx/B (-)
➍
Brown - Rx/A (+)
➎
NOTE: When connecting a NMEA 0183 device with only one
transmitting (Tx) line, the NMEA 2000 bus and the NMEA 0183 device
must be connected to a common ground.
Specifications
➍
Device
Specification Measurement
ECU
Dimensions
Weight
Temperature
range
Case material Fully gasketed, high-impact aluminum
Power cable
length
Input power
Fuse
Main power
usage
nMEa 0183-Compatible Device
Wire Function
Power
NMEA 0183 ground
Rx
N/A
Tx/A (+)
Tx/B (-)
➋
-
+
➌
➋
➌
>
>
➍
>
➎
nMEa 0183-Compatible Device
Wire Function
Power
NMEA 0183 ground
Rx/A (+)
Rx/B (-)
Tx/A (+)
(W × H × D) 6
/
19
32
(167.6 × 116.8 × 50.8 mm)
1.5 lb. (0.68 kg)
From 5°F to 140°F (from -15°C to 55°C)
alloy, waterproof to IEC 529 IPX7
standards
9 ft. (2.7 m)
11.5–30 Vdc
40 A, blade-type
1 A (not including the drive unit)
GHP 10 Installation Instructions
➊
➍
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>
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× 4
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× 2 in.
19
32
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