1.ConnectionsforanalarmandotherSeaT alkdevices.
2.Connectionsforjustanalarm(nootherSeaT alkdevices
connected).
3.Alarm.
4.Redwire.
5.Brownwire.
6.Blackwire.
7.12voltpowersupply.
8.White.
9.Drainwire.
10.Y ellowwire.
11.OtherSeaT alkdevices.
12.SeaT alk/alarmcable.
13.GPMprocessorunit.
Note:Thealarmoutputisratedfor250milliampmaximumload
(at12volts).
SeaTalkpowersupply
TheSeaT alkconnectionprovidesa12voltpowersupplyratedat
250milliamps.
Thisissuitableforsupplyingthepowerto1soundermodule.
Note:SeaT alkinstrumentsareusuallypoweredfromaseparate
powersupply(forexample,aRaymarineautopilotcourse
computer).YoumustNOTpoweraSeaT alkbusfrommorethan
onepowersupply.
SeaTalkandthemasterGPM
TheSeaTalkbusmustbeconnectedtothemasterGPMprocessor
unit.
YoucanconnecttheSeaTalkbustootherGPMsforredundancy
purposesifrequired.IntheeventthatthemasterGPMfails,the
otherGPMwiththeSeaT alkconnectionmustbedesignatedasthe
newmaster.
Alarmoutput
Thealarmoutputisusedtoalertyoutocertainconditionsandother
audiblewarningsrequiringyourattention.
Alarmsaresoundedacrossallaudioandalarmoutputsinthe
system.
Highalarmloadsandthirdpartyalarms
Youcanusethealarmoutputtoswitcharelay.Thismaybeuseful
forconnectinghighloadssuchasthirdpartyalarmsoundersor
inductiveloadstothedisplay.Ifyouareinanydoubtastohowto
makesuchconnectionspleaseconsultanauthorizedinstaller.
TheG-Seriesmultifunctiondisplayhasapositiveswitchedalarm
output.Thefollowingcircuitshowsthearrangementforconnection
ofarelayswitch.
68G-Seriesinstallationinstructions