SeaTalk NG power supply

Your product is supplied power via the SeaTalk NG backbone (or the NMEA 2000 backbone if applicable).

ConnectionsPowerSeaTalk NGPowerA SeaTalk NG backbone requires a single 12 V dc power supply. Power can be supplied to the SeaTalk NG backbone by one of the following methods:

  • (1) Direct connection to a 12 V dc battery using an inline 5 amp fuse.

  • Connection to a 12 V dc distribution panel using a 3 amp thermal breaker.

  • (2) Connection to the SeaTalk NG connector of an ACU-Series Autopilot Control Unit (not ACU-100 or ACU-150), or an SPX-Series course computer (not SPX-5).

  • For 24 V vessels, connection must be via a 5 amp, regulated, continuous 24 V dc to 12 V dc converter.

Note

  • (1) The battery used for starting the vessel’s engine(s) should NOT be used to power the SeaTalk NG backbone, as this can cause sudden voltage drops when the engines are started.

  • (2) The ACU-100, ACU-150 or SPX-5 cannot be used to power the SeaTalk NG backbone.

  • The course computer SeaTalk NG connector includes a power switch that must be in the On position to provide power to the backbone.