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Building a Basic nMEa 2000 network for the GHC 10 and

the CCu

You must connect the included NMEA 2000 power cable to the boat

ignition switch, or through another in-line switch. The GHC 10 will

drain your battery if the NMEA 2000 power cable is connected to the

battery directly.

1. Connect the three T-connectors ➊ together by their sides.

➍

➌

➋

➊

➑

2. Connect included NMEA 2000 power cable ➋ to a 12 Vdc power

source ➌ through a switch.

Connect to the ignition switch ➍ of the boat if possible, or through

an in-line switch (not included).

3. Connect the NMEA 2000 power cable to one of the T-connectors.

4. Connect one of the included NMEA 2000 drop cables ➎ to one of

the T-connectors and to the GHC 10 ➏.

5. Connect the other included NMEA 2000 drop cable to the other

T-connector and to the CCU ➐.

6. Connect the male and female terminators ➑ to each end of the

combined T-connectors.

NOTE: The GHC 10 must connect to the CCU with the yellow

CCU signal wire in the GHC 10 data cable. The black wire must

connect to CCU ground

(page

Notice

➏

➎

8).

Connecting optional Devices to the GHP 10V

autopilot System

To use advanced features of the GHP 10V, optional NMEA

2000-compatible or NMEA 0183-compatible devices, such as a GPS

device, can be connected to the NMEA 2000 network or to the GHC 10

through NMEA 0183.

nMEa 0183 Connection Considerations

• To identify the Transfer (Tx) A(+) and B(-) wires for your NMEA

0183-compatible device, consult the installation instructions for

your device.

➐

• 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.

• When connecting a NMEA 0183 device with only one transmitting

(Tx) line or with only one receiving (Rx) line, the NMEA 2000

bus and the NMEA 0183 device must be connected to a common

ground.

Connecting an optional nMEa 0183-compatible Device to

the GHC 10

1. Determine the NMEA 0183 connection assignments of your NMEA

0183-compatible device.

2. Connect your NMEA 0183-compatible device to the GHC 10, based

on the table below.

GHC 10 Data Cable Wire Color Function

➑

Black

Yellow

Blue

White

Brown

Green

Three examples of various connection situations are provided in the

appendix

(page

3. If necessary, use 22 AWG (.33 mm

runs of wire.

4. Solder and cover all bare-wire connections.

CCU signal ground

CCU signal

Tx/A (+)

Tx/B (-)

Rx/A (+)

Rx/B (-)

13).

) twisted-pair wire for extended

GHP 10V Installation Instructions