Installation Instructions

4.1Generalcablingguidance
Suppressionferrites
•Raymarinecablesmaybepre-ttedorsupplied
withsuppressionferrites.Theseareimportantfor
correctEMCperformance.Ifferritesaresupplied
separatelytothecables(i.e.notpre-tted),you
musttthesuppliedferrites,usingthesupplied
instructions.
•Ifaferritehastoberemovedforanypurpose(e.g.
installationormaintenance),itmustbereplacedin
theoriginalpositionbeforetheproductisused.
•Useonlyferritesofthecorrecttype,suppliedby
Raymarineoritsauthorizeddealers.
•Whereaninstallationrequiresmultipleferritesto
beaddedtoacable,additionalcableclipsshould
beusedtopreventstressontheconnectorsdue
totheextraweightofthecable.
Connectionstootherequipment
Requirementforferritesonnon-Raymarinecables
IfyourRaymarineequipmentistobeconnected
tootherequipmentusingacablenotsuppliedby
Raymarine,asuppressionferriteMUSTalwaysbe
attachedtothecableneartheRaymarineunit.
Cabletypesandlength
Itisimportanttousecablesoftheappropriatetype
andlength
•Unlessotherwisestateduseonlystandardcables
ofthecorrecttype,suppliedbyRaymarine.
•Ensurethatanynon-Raymarinecablesareofthe
correctqualityandgauge.Forexample,longer
powercablerunsmayrequirelargerwiregauges
tominimizevoltagedropalongtherun.
Routingcables
Cablesmustberoutedcorrectly,tomaximize
performanceandprolongcablelife.
•DoNOTbendcablesexcessively.Wherever
possible,ensureaminimumbenddiameterof200
mm(8in)/minimumbendradiusof100mm(4in).
100 mm (4 in)
200 mm (8 in)
•Protectallcablesfromphysicaldamageand
exposuretoheat.Usetrunkingorconduitwhere
possible.DoNOTruncablesthroughbilgesor
doorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingtie-wrapsorlacing
twine.Coilanyextracableandtieitoutoftheway.
•Whereacablepassesthroughanexposed
bulkheadordeckhead,useasuitablewatertight
feed-through.
•DoNOTruncablesneartoenginesoruorescent
lights.
Alwaysroutedatacablesasfarawayaspossible
from:
•otherequipmentandcables,
•highcurrentcarryingacanddcpowerlines,
•antennae.
Strainrelief
Ensureadequatestrainreliefisprovided.Protect
connectorsfromstrainandensuretheywillnotpull
outunderextremeseaconditions.
Circuitisolation
Appropriatecircuitisolationisrequiredfor
installationsusingbothACandDCcurrent:
•Alwaysuseisolatingtransformersoraseparate
power-invertertorunPC’s,processors,displays
andothersensitiveelectronicinstrumentsor
devices.
•AlwaysuseanisolatingtransformerwithWeather
FAXaudiocables.
•Alwaysuseanisolatedpowersupplywhenusing
a3rdpartyaudioamplier.
•AlwaysuseanRS232/NMEAconverterwith
opticalisolationonthesignallines.
•AlwaysmakesurethatPC’sorothersensitive
electronicdeviceshaveadedicatedpowercircuit.
Cableshielding
Ensurethatalldatacablesareproperlyshielded
thatthecableshieldingisintact(e.g.hasn’tbeen
scrapedoffbybeingsqueezedthroughatightarea).
Networkcableconnectortypes
Thereare2typesofnetworkcableconnector—
SeaTalk
hs
andRayNet.
SeaTalk
hs
connector—usedfor
connectingSeaTalk
hs
devicesto
aRaymarinenetworkswitchvia
SeaTalk
hs
cables.
RayNetconnector—usedfor
connectingRaymarinenetwork
switchesandSeaTalk
hs
devicesto
themultifunctiondisplayviaRayNet
cables.Alsorequiredforconnectinga
crossovercouplerifonlyonedevice
isbeingconnectedtothedisplay's
Networkconnector.
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gSSeriesinstallationinstructions