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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

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

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

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

(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

× 4

× 2 in.