SeaTalk NG power cables
The following SeaTalk NG power cables can be used to connect the backbone to your chosen 12 V dc power supply:
Direct connection cables
SeaTalk NG Power cables

Standard (straight) SeaTalk NG power cable, 2 m (6.6 ft) (part number: A06049).
Elbow (right-angled) SeaTalk NG power cable, 2 m (6.6 ft) (part number: A06070).
Wiring
+ Red (positive) wire — connects to the battery or distribution panel positive terminal. A waterproof fuse holder with 5 A inline fuse (not supplied) must be fitted to this red wire.
– Black (negative) wire — connects to battery or distribution panel negative terminal.
Drain wire — connects to the vessel’s RF common ground point (if available), or the battery’s negative (-) terminal.
Autopilot Control Unit connection cable

ACU-Series/SPX-Series autopilot to SeaTalk NG spur cable, 0.3 m (1.0 ft) (part number R12112). Connects the course computer to the SeaTalk NG backbone. This connection can also be used to provide 12 V dc power to the SeaTalk NG backbone.