Building A Basic Nmea 2000 Network For The Ghc 10 And The Ccu - Garmin GHP 12 Autopilot System Installation Instructions Manual

Connecting the CCu to an Existing nMEa 2000 network
1. Determine where to connect the CCU ➊ to your existing NMEA
2000 backbone ➋.
2. Disconnect one side of a NMEA 2000 T-connector from the
network.
3. If necessary, to extend the NMEA 2000 network backbone, connect
a NMEA 2000 backbone extension cable (not included) to the side
of the disconnected T-connector.
4. Add the included T-connector ➌ for the CCU to the NMEA
2000 backbone by connecting it to the side of the disconnected
T-connector or backbone extension cable.
5. Route the included drop cable ➍ to the bottom of the T-connector
added in step 4, and connect it to the T-connector.
If the included drop cable is not long enough, you can use a drop
cable up to 20 ft. (6 m) long (not included).
6. Connect the drop cable to the to the CCU.
GHP 12 Installation Instructions
➊
➍
➌
➋
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
12).
➐
➑
13