4.1Generalcablingguidance
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).
•Protectallcablesfromphysicaldamageand
exposuretoheat.Usetrunkingorconduitwhere
possible.DoNOTruncablesthroughbilgesor
doorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingtie-wrapsorlacing
twine.Coilanyextracableandtieitoutoftheway.
•Whereacablepassesthroughanexposed
bulkheadordeckhead,useasuitablewatertight
feed-through.
•DoNOTruncablesneartoenginesoruorescent
lights.
Alwaysroutedatacablesasfarawayaspossible
from:
•otherequipmentandcables,
•highcurrentcarryingACandDCpowerlines,
•antennae.
Strainrelief
Ensureadequatestrainreliefisprovided.Protect
connectorsfromstrainandensuretheywillnotpull
outunderextremeseaconditions.
Cableshielding
Ensurethatalldatacablesareproperlyshielded
thatthecableshieldingisintact(e.g.hasn’tbeen
scrapedoffbybeingsqueezedthroughatightarea).
4.2Connectionsoverview
Yourproductincludesthefollowingconnectors.
ConnectorQtyConnectsto:Suitablecables
1
1.SeaTalk
ng
backbone
2.NMEA2000
backbone
1.SeaTalk
ng
spurcables
2.SeaTalk
ng
to
DeviceNet
adaptor
cable
(A06045)
ConnectingSeaTalkng®cables
1.Rotatethelockingcollarontheunittothe
unlockedposition.
2.Ensurethecable’sconnectoriscorrectlyoriented.
3.Fullyinsertthecableconnector.
4.Rotatelockingcollarclockwise(2clicks)untilitis
inthelockedposition.
SeaTalkng®productloading
Thenumberofproductsthatcanbeconnectedto
aSeaTalkng®backbonedependsonthepower
consumptionofeachproductandthephysicaloverall
lengthofthebackbone.
SeaTalkng®productshaveaLoadEquivalency
Number(LEN),whichindicatestheproduct’spower
consumption.TheLENforeachproductcanbe
foundintheproduct’sTechnicalSpecication.
Chapter 4: Cables and connections