Note:
•
(1)
Thebatteryusedforstartingthevessel’
sengine(s)shouldNOTbeusedtopowerthe
SeaTalkng®backbone,asthiscancausesuddenvoltagedropswhentheenginesarestarted.
•
(2)
TheACU-100,ACU-150orSPX-5productscannotbeusedtopowertheSeaTalkng®backbone.
TheSea
Talkng®powercable(A06049)isusedtoconnecttheSeaTalkngbackbonetoyourchosen
12Vdcpowersupply.
SeaTalkng®powerconnectionpoint
The12VdcpowersupplyisconnectedtoaspurconnectionontheSeaTalkng®backbone.
Largesystems
Ifthebackbonelengthisgreaterthan60m(197ft),thepowerconnectionpointshouldbeconnected
atapointthatcreatesabalancedcurrentdrawfromeachsideofthebackbone.TheNMEA2000
LoadEquivalencyNumber(LEN)isusedtodeterminethepowerconnectionpointforthebackbone.
Inthee xampleabovethebackbonehasanoverallLENof10,sotheoptimumconnectionpointwould
betohave5LENeithersideoftheconnectionpoint.
Smallsystems
Ifthebackbonelengthis60m(197ft)orless,thepowerconnectionpointmaybeconnectedat
anypointinthebackbone.
In-linefuseandthermalbreakerratings
TheSeaTalkng®network’spowersupplyrequiresanin-linefuseorthermalbreakertobefitted.
•In-linefuserating:5A
•Thermalbreakerrating:3A(refertonotebelow)
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