•AlwaysuseanRS232/NMEAconverterwith
opticalisolationonthesignallines.
•AlwaysmakesurethatPC’sorothersensitive
electronicdeviceshaveadedicatedpowercircuit.
Cableshielding
Ensurethatalldatacablesareproperlyshielded
thatthecableshieldingisintact(e.g.hasn’tbeen
scrapedoffbybeingsqueezedthroughatightarea).
Suppressionferrites
•Raymarinecablesmaybepre-ttedorsupplied
withsuppressionferrites.Theseareimportantfor
correctEMCperformance.Ifferritesaresupplied
separatelytothecables(i.e.notpre-tted),you
musttthesuppliedferrites,usingthesupplied
instructions.
•Ifaferritehastoberemovedforanypurpose(e.g.
installationormaintenance),itmustbereplacedin
theoriginalpositionbeforetheproductisused.
•Useonlyferritesofthecorrecttype,suppliedby
Raymarineoritsauthorizeddealers.
•Whereaninstallationrequiresmultipleferritesto
beaddedtoacable,additionalcableclipsshould
beusedtopreventstressontheconnectorsdue
totheextraweightofthecable.
4.3Connectionsoverview
Usethefollowinginformationtohelpyouidentifythe
connectionsonyourproduct.
ConnectorConnectsto:Suitablecables
RayNetnetwork
ordevice.Not
requiredif
connectingusing
Wi-Fi.
Refertothe
Chapter11Spares
andaccessories
section.
12V/24Vpower
supply.
Suppliedwithyour
product.
Thepoweranddataconnectionsarelocatedon
theundersideofthescannerunit,asshowninthe
followingillustration.
Typicalcableroutingscenarios
Thereare4typicalcableroutingscenarios.
Note:Theroutingoptionsdescribedandillustrated
inthissectionassumethataphysicaldata
connectionisusedbetweenyourRadarscanner
andmultifunctiondisplay(MFD).However,ifthe
scannerisconnectedtoyourMFDviaWi-Fi,a
physicalRayNetconnectionisnotrequired.
1.Cableroutingforascannermountedona
platform,usingseparatecablesforthepower
anddataconnection.
2.Cableroutingforascannermountedona
platform,usingthecombinedpoweranddata
cablefromanexistingRaymarineDigitalRadar
scannerinstallation.Forthis,theA80308
Y-adapteraccessoryisrequired(notsupplied
withthescanner).
Cablesandconnections(QuantumvariantwithRayNet)
27
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