Raymarine AIS650 Installation Instructions Manual

A

IS 3 5 0 Re c e ive r /

AIS 6 5 0 C la s s B

Tr a n s c e ive r

Ins ta lla tion ins tructions

ENGLIS H

Docume nt numbe r: 87140-1

Da te : 03-2011

AIS350/AIS650Installationinstruction

Trademarkandpatentsnotice

Autohelm,hsb

2

,RayT echNavigator,SailPilot,SeaT alk,SeaT alk

NG

,SeaT alk

HS

andSportpilotareregisteredtrademarksofRaymarine

UKLimited.RayTalk,Seahawk,Smartpilot,PathnderandRaymarineareregisteredtrademarksofRaymarineHoldingsLimited.

FLIRisaregisteredtrademarkofFLIRSystems,Inc.and/oritssubsidiaries.

Allothertrademarks,tradenames,orcompanynamesreferencedhereinareusedforidenticationonlyandarethepropertyof

theirrespectiveowners.

Thisproductisprotectedbypatents,designpatents,patentspending,ordesignpatentspending.

ENGLISH

Documentnumber:87140-1

Date:03-2011

Contents

Chapter1Importantinformation.............................7

Applicability....................................................................7

Safetyinformation...........................................................7

Generalinformation........................................................8

AISoverview..................................................................9

ClassesofAIS................................................................10

Systemprotocols............................................................12

Chapter2AIS350Receiver......................................15

2.1AIS350Receiverunit.................................................16

2.2RequirementsforUSA&Canada...............................16

2.3Planningtheinstallation.............................................17

2.4Cablesandconnections............................................20

2.5Connectionsoverview...............................................21

2.6VHFconnection........................................................21

2.7Multifunctiondisplayconnections...............................22

2.8Powerconnection.....................................................24

2.9USBconnection........................................................26

2.10Locationandmounting............................................26

2.11Systemchecks........................................................28

2.12Troubleshooting......................................................29

2.13Technicalspecication.............................................29

Chapter3AIS650ClassBtransceiver....................31

3.1AIS650ClassBtransceiverunit.................................32

3.2Staticdatarequirement.............................................32

3.3RequirementsforUSA&Canada...............................33

3.4RequirementsforareasoutsideofUSA&

Canada..........................................................................35

3.5Planningtheinstallation.............................................36

3.6Cablesandconnections............................................39

3.7Connectionsoverview...............................................40

3.8GPSantennaconnection...........................................41

3.9VHFconnection........................................................42

3.10Multifunctiondisplayconnections.............................43

3.11AISSilentmodeconnection.....................................44

3.12Powerconnection....................................................45

3.13USBconnection......................................................47

3.14SDCardconnection................................................48

3.15Locationandmounting............................................49

3.16Systemchecks........................................................53

3.17Diagnostics.............................................................54

3.18Troubleshooting......................................................55

3.19Technicalspecication.............................................56

Chapter4Technicalsupport...................................57

4.1Raymarinecustomersupport.....................................58

Chapter5Optionsandaccessories.......................59

5

5.1SeaTalk

ng

cablesandaccessories..............................60

5.2Sparesandaccessories............................................61

6AIS350/AIS650Installationinstruction

Chapter1:Importantinformation

Applicability

Theinformationinthisbookappliestoallgeographicalareasunless

otherwisestated.

Safetyinformation

Warning:Productinstallationand

operation

Thisproductmustbeinstalledandoperatedin

accordancewiththeinstructionsprovided.Failureto

dosocouldresultinpersonalinjury,damagetoyour

boatand/orpoorproductperformance.

Warning:Switchoffpowersupply

Ensuretheboat’spowersupplyisswitchedOFF

beforestartingtoinstallthisproduct.DoNOTconnect

ordisconnectequipmentwiththepowerswitchedon,

unlessinstructedinthisdocument.

Warning:Potentialignitionsource

ThisproductisNOTapprovedforusein

hazardous/ammableatmospheres.DoNOTinstallin

ahazardous/ammableatmosphere(suchasinan

engineroomornearfueltanks).

Warning:Ensuresafenavigation

Thisproductisintendedonlyasanaidtonavigation

andmustneverbeusedinpreferencetosound

navigationaljudgment.Onlyofcialgovernment

chartsandnoticestomarinerscontainallthecurrent

informationneededforsafenavigation,andthe

captainisresponsiblefortheirprudentuse.Itisthe

user’sresponsibilitytouseofcialgovernmentcharts,

noticestomariners,cautionandpropernavigational

skillwhenoperatingthisoranyotherRaymarine

product.

Caution:Powersupplyprotection

Wheninstallingthisproductensurethepowersource

isadequatelyprotectedbymeansofasuitably-rated

fuseorautomaticcircuitbreaker.

RFsafetynotice

RFradiationstatement

AIStransceiversgenerateandradiateradiofrequency(RF)

electromagneticenergy(EME).

Safecompassdistance

Safecompassdistanceis1meterminimumforanycompass.Some

compasstypesmayrequiregreaterdistances.Tobesure,you

shouldlocateyourAISunitasfaraspossiblefromthecompass.

TestyourcompasstoverifyproperoperationwhiletheAISunitis

alsooperating.

Importantinformation

7

Generalinformation

Caution:Cleaning

Whencleaningthisproduct:

•DoNOTwipethedisplayscreenwithadrycloth,as

thiscouldscratchthescreencoating.

•DoNOTuseabrasive,oracidorammoniabased

products.

•DoNOTuseajetwash.

EMCinstallationguidelines

Raymarineequipmentandaccessoriesconformtotheappropriate

ElectromagneticCompatibility(EMC)regulations,tominimize

electromagneticinterferencebetweenequipmentandminimizethe

effectsuchinterferencecouldhaveontheperformanceofyour

system

CorrectinstallationisrequiredtoensurethatEMCperformanceis

notcompromised.

ForoptimumEMCperformancewerecommendthatwherever

possible:

•Raymarineequipmentandcablesconnectedtoitare:

–Atleast1m(3ft)fromanyequipmenttransmittingorcables

carryingradiosignalse.g.VHFradios,cablesandantennas.

InthecaseofSSBradios,thedistanceshouldbeincreased

to7ft(2m).

–Morethan2m(7ft)fromthepathofaradarbeam.Aradar

beamcannormallybeassumedtospread20degreesabove

andbelowtheradiatingelement.

•Theproductissuppliedfromaseparatebatteryfromthatused

forenginestart.Thisisimportanttopreventerraticbehavior

anddatalosswhichcanoccuriftheenginestartdoesnothave

aseparatebattery.

•Raymarinespeciedcablesareused.

•Cablesarenotcutorextended,unlessdoingsoisdetailedin

theinstallationmanual.

Note:Whereconstraintsontheinstallationpreventanyof

theaboverecommendations,alwaysensurethemaximum

possibleseparationbetweendifferentitemsofelectrical

equipment,toprovidethebestconditionsforEMCperformance

throughouttheinstallation

Suppressionferrites

Raymarinecablesmaybettedwithsuppressionferrites.These

areimportantforcorrectEMCperformance.Ifaferritehastobe

removedforanypurpose(e.g.installationormaintenance),itmust

bereplacedintheoriginalpositionbeforetheproductisused.

Useonlyferritesofthecorrecttype,suppliedbyRaymarine

authorizeddealers.

Connectionstootherequipment

Requirementforferritesonnon-Raymarinecables

IfyourRaymarineequipmentistobeconnectedtootherequipment

usingacablenotsuppliedbyRaymarine,asuppressionferrite

MUSTalwaysbeattachedtothecableneartheRaymarineunit.

Declarationofconformity

RaymarineLtd.declaresthatthisproductiscompliantwiththe

essentialrequirementsofEMCdirective2004/108/EC.

TheoriginalDeclarationofConformitycerticatemaybeviewedon

therelevantproductpageatwww.raymarine.com.

8AIS350/AIS650Installationinstruction

Productdisposal

DisposeofthisproductinaccordancewiththeWEEEDirective.

TheWasteElectricalandElectronicEquipment(WEEE)

Directiverequirestherecyclingofwasteelectricalandelectronic

equipment.WhilsttheWEEEDirectivedoesnotapplytosome

Raymarineproducts,wesupportitspolicyandaskyoutobeaware

ofhowtodisposeofthisproduct.

Warrantyregistration

ToregisteryourRaymarineproductownership,pleasevisit

www.raymarine.comandregisteronline.

Itisimportantthatyouregisteryourproducttoreceivefullwarranty

benets.Yourunitpackageincludesabarcodelabelindicatingthe

serialnumberoftheunit.Youwillneedthisserialnumberwhen

registeringyourproductonline.Youshouldretainthelabelforfuture

reference.

IMOandSOLAS

Theequipmentdescribedwithinthisdocumentisintendedforuse

onleisuremarineboatsandworkboatsnotcoveredbyInternational

MaritimeOrganization(IMO)andSafetyofLifeatSea(SOLAS)

CarriageRegulations.

Technicalaccuracy

Tothebestofourknowledge,theinformationinthisdocumentwas

correctatthetimeitwasproduced.However,Raymarinecannot

acceptliabilityforanyinaccuraciesoromissionsitmaycontain.In

addition,ourpolicyofcontinuousproductimprovementmaychange

specicationswithoutnotice.Asaresult,Raymarinecannotaccept

liabilityforanydifferencesbetweentheproductandthisdocument.

AISdisclaimer

AllinformationpresentedbytheRaymarineAISdeviceisadvisory

only,asthereisariskofincompleteanderroneousinformation.By

placingthisproductintoserviceyouacknowledgethisandassume

completeresponsibilityforanyassociatedrisks,andaccordingly

releaseRaymarineandSRTMarineT echnologyLtdfromanyand

allclaimsarisingfromtheuseoftheAISservice.

Installationguide

Informationscope

Thisdocumentgivesintroductory,installationandtroubleshooting

informationforyourRaymarineAutomaticIdenticationSystem

(AIS)device.

RefertotheProAISUserManualandtheoperatingmanualfor

yourRaymarineMultifunctionDisplay,forinstructionsonhowto

congureandoperateyourAISsystem.

AlldocumentsareavailabletodownloadasPDFsfrom

www.raymarine.com

AISoverview

YourAISdeviceusesdigitalradiosignalstoexchange’real-time’

informationbetweenvessels,shorebasedstations,oraidsto

navigation(AToNs)ondedicatedVHFfrequencies.Thisinformation

isusedtoidentifyandtrackvesselsinthesurroundingareaandto

providefast,automaticandaccuratecollisionavoidancedata.

AlthoughAISaugmentsyourradarapplicationbyoperatinginradar

blindspotsanddetectingsmallerAIS-ttedvessels,itdoesnot

replaceradar,asitreliesonreceivingtransmittedAISinformation

andthereforecannotdetectobjectssuchaslandmassesand

navigationalbeacons.

NEVERassumethatAISisdisplayinginformationfromallvessels

inthearea,because:

Importantinformation

9

•NotallvesselsarettedwithAIS

•Althoughitismandatoryforlargercommercialvesselstocarry

AIS,itisnotmandatorytouseit.

AISshouldbeusedonlytoaugmentradarinformation,notsubstitute

it.

Warning:AISlimitation

NeverassumethatyourAISisdetectingallvessels

inthearea.Alwaysexercisedueprudenceanddo

notuseAISasasubstituteforsoundnavigational

judgement.

ClassesofAIS

TheAIS350isareceiverthatreceivesmessagesfromvessels,

landbasestations,oraidstonavigation(AT oNs)carryingClassA

orClassBtransceivers.

TheAIS650isaClassBtransceiverthatreceivesmessagesfrom

andtransmitsmessagestovessels,landbasestations,oraidsto

navigation(AT oNs)carryingClassAorClassBtransceivers.

ClassAtransceivers

ClassAAIStransceiverstransmitandreceiveAISsignals.AIS

transceiversarecurrentlymandatoryonallcommercialvessels

exceeding300tonsthattravelinternationally(SOLASvessels).

ThefollowinginformationcanbetransmittedbyaClassAAIS

system:

•Staticdata.Includesinformationsuchasvesselname,vessel

type,MMSInumber,callsign,IMOnumber,length,beamand

GPSantennalocation.

•Voyagerelateddata.Includesinformationsuchasdraft,cargo,

destination,ETAandotherrelevantinformation.

•Dynamicdata.Includesinformationsuchastime(UTC),ship’s

position,COG,SOG,heading,rateofturnandnavigationalstatus.

•Dynamicreports.Ship’sspeedandstatus.

•Messages.Alarmsandsafetymessages.

Rememberthatnotallvesselswilltransmitalloftheinformation.

ClassBtransceivers

ClassBAIStransceiverstransmitandreceiveAISsignals,butuse

areducedsetofdatacomparedtoClassA(seeDataSummary).A

ClassBAIStransceivercanbettedonanyvesselnotttedwitha

ClassAtransceiver,butisnotmandatoryaboardanyvessel.

DataSummary

Data

Receiver

(receive)

Transceiver

(transmit)

Transceiver

(receive)

Ship’sname

YesYesYes

TypeYesYesYes

Callsign

YesYesYes

IMOnumber

YesNoYes

LengthandbeamYesYesYes

AntennalocationYesYesYes

Draft

YesNoYes

Cargo

Information

YesYesYes

DestinationYesNoYes

ETAYesNoYes

10AIS350/AIS650Installationinstruction

Data

Receiver

(receive)

Transceiver

(transmit)

Transceiver

(receive)

TimeYesYesYes

Ship’sposition

YesYesYes

COG

YesYesYes

SOG

YesYesYes

Gyroheading

Yes

Yes*

Yes

Rateofturn

YesNoYes

Navigational

status

YesNoYes

Safetymessage

YesNoYes

*ClassBtransceiversdonottransmitaGyroheadingunlessthe

transceiverisreceivinganNMEAHDTsentencefromanexternal

source.

Datareportingintervals

AISinformationisclassedaseitherstaticordynamic.Static

informationisbroadcast,whendatahasbeenamended,orupon

request,orbydefault,every6minutes.

Thereportingratesfordynamicinformationdependonspeedand

coursechange,andaregiveninthefollowingtables.

Note:Thereportingratesshownhereareforreferenceand

maynotbetherateatwhichinformationisactuallyreceivedby

yourAIStransceiver.Thisisdependentonanumberoffactors,

includingbutnotlimitedtoantennaheight,gainandsignal

interference.

ClassAsystems

ShipsDynamicConditions

Reportingrate

Atanchorormoored3Minutes

0-14knots

10Seconds

0-14knotsandchangingcourse

3

1

/

3

Seconds

14-23knots

6Seconds

14-23knotsandchangingcourse2seconds

Fasterthan23knots2seconds

Fasterthan23knotsandchanging

course

2seconds

ClassBsystems

ShipsDynamicConditions

Reportingrate

0to2knots3Minutes

Above2knots

30Seconds

OtherAISsources

Source

Reportingrate

SearchandRescue(SAR)aircraft

10seconds

Aidstonavigation3minutes

AISbasestation

10secondsor3.33seconds,

dependingonoperatingparameters

Importantinformation

11

Systemprotocols

Yourproductcanbeconnectedtovariousproductsandsystemsto

shareinformationandsoimprovethefunctionalityoftheoverall

system.Theseconnectionsmaybemadeusinganumberof

differentprotocols.Fastandaccuratedatacollectionandtransferis

achievedbyusingacombinationofthefollowingdataprotocols:

•SeaT alk

ng

•NMEA2000

•NMEA0183

Note:Youmayndthatyoursystemdoesnotuseallofthe

connectiontypesorinstrumentationdescribedinthissection.

Seatalk

ng

SeaTalk

ng

(NextGeneration)isanenhancedprotocolforconnection

ofcompatiblemarineinstrumentsandequipment.Itreplacesthe

olderSeaTalkandSeaTalk

2

protocols.

SeaTalk

ng

utilizesasinglebackbonetowhichcompatible

instrumentsconnectusingaspur.Dataandpowerarecarriedwithin

thebackbone.Devicesthathavealowdrawcanbepoweredfrom

thenetwork,althoughhighcurrentequipmentwillneedtohavea

separatepowerconnection.

SeaTalk

ng

isaproprietaryextensiontoNMEA2000andtheproven

CANbustechnology.CompatibleNMEA2000andSeaTalk/

SeaTalk

2

devicescanalsobeconnectedusingtheappropriate

interfacesoradaptorcablesasrequired.

NMEA2000

NMEA2000offerssignicantimprovementsoverNMEA0183,most

notablyinspeedandconnectivity.Upto50unitscansimultaneously

transmitandreceiveonasinglephysicalbusatanyonetime,

witheachnodebeingphysicallyaddressable.Thestandard

wasspecicallyintendedtoallowforawholenetworkofmarine

electronicsfromanymanufacturertocommunicateonacommon

busviastandardizedmessagetypesandformats.

NMEA0183

TheNMEA0183DataInterfaceStandardwasdevelopedby

theNationalMarineElectronicsAssociationofAmerica.Itisan

internationalstandardtoenableequipmentfrommanydifferent

manufacturerstobeconnectedtogetherandshareinformation.

TheNMEA0183standardcarriessimilarinformationtoSeaT alk.

Howeverithastheimportantdifferencethatonecablewillonly

carryinformationinonedirection.ForthisreasonNMEA0183is

generallyusedtoconnectadatareceiverandatransmittertogether,

e.g.acompasssensortransmittingheadingtoaradardisplay.This

informationispassedin‘sentences’,eachofwhichhasathree

lettersentenceidentier.Itisthereforeimportantwhenchecking

compatibilitybetweenitemsthatthesamesentenceidentiersare

usedsomeexamplesofwhichare:

•VTG-carriesCourseandSpeedOverGrounddata.

•GLL-carrieslatitudeandlongitude.

•DBT-carrieswaterdepth.

•MWV-carriesrelativewindangleandwindspeeddata.

NMEAbaudrates

TheNMEA0183standardoperatesatanumberofdifferent

speeds,dependingupontheparticularrequirementorequipment

capabilities.Typicalexamplesare:

•4800baudrate.Usedforgeneralpurposecommunications,

includingFastHeadingdata.

•9600baudrate.UsedforNavtex.

•38400baudrate.UsedforAISandotherhighspeedapplications.

12

AIS350/AIS650Installationinstruction

NMEAConnections

YoucanconnectyourtransceivertoyourVHFradiosetand

amultifunctiondisplayusingtheNMEAconnectionsonthe

power/datacable.

Thetransceiver’spoweranddataconnectorprovidesNMEA0183

connectionsatboth4800baudand38400baudrates,asfollows:

WirecolorNMEA0183Function

Yellow4800baudIN-

Gray

4800baudIN+

Pink

4800baudOUT–

Purple

4800baudOUT+

Green

38400baudIN-

White38400baudIN+

Blue

38400baudOUT-

Brown

38400baudOUT+

Amultiplexerbuiltintothetransceivermanagesboth4800and

38400baudrates.ThisfeatureeffectivelyfreesupanNMEAport

onyourmultifunctiondisplay.ifonlyoneNMEA0183portexistson

yourequipment,themultiplexereliminatestheneedforaseparate

multiplexer.

TypicallytheNMEA0183connectionsareusedasfollows:

•The4800baudwiresconnecttotheappropriatepointsonthe

VHFradioorotherNMEA01834800baudinput/outputdevice.

•The38400baudwiresconnecttoappropriateRaymarine

multifunctiondisplay.TheNMEA0183portoneachdisplay

connectedinthismannermustbesetto38400baud.

Importantinformation

13

14

AIS350/AIS650Installationinstruction

Chapter2:AIS350Receiver

Chaptercontents

•2.1AIS350Receiverunitonpage16

•2.2RequirementsforUSA&Canadaonpage16

•2.3Planningtheinstallationonpage17

•2.4Cablesandconnectionsonpage20

•2.5Connectionsoverviewonpage21

•2.6VHFconnectiononpage21

•2.7Multifunctiondisplayconnectionsonpage22

•2.8Powerconnectiononpage24

•2.9USBconnectiononpage26

•2.10Locationandmountingonpage26

•2.11Systemchecksonpage28

•2.12Troubleshootingonpage29

•2.13T echnicalspecicationonpage29

AIS350Receiver15

2.1AIS350Receiverunit

AIS 35 0 Re ce ive r

S ta tu s

US B

P WR/Da ta S T

ng

VHF ANT

D12 1 2 6-1

2.2RequirementsforUSA&Canada

IndustryCanada

IndustryCanadalicenserequirement

Youdonotneedalicensetooperatethisproductwithinsovereign

watersofCanadaortheUS.Y ouwillneedalicensetooperate

thisradiooutsideofCanadaortheUS.ToobtainIndustryCanada

licensinginformation,contactthenearesteldorregionalofce,

orwrite:

IndustryCanadaRadioRegulatoryBranch

Attention:DOSP

300SlaterStreet

Ottawa,Ontario

Canada,KIAOC8

AIS350Certicationdetails

Thefollowinginformationaboutthereceiverisrequiredtocomplete

IndustryCanadalicenseapplications:

•IndustryCanadaCerticationNumber:IC:4069B-AIS350

•OutputPower:2Watts

•Modulation:GMSK

•Frequencyband1:161.975MHz

•Frequencyband2:162.025MHz

16AIS350/AIS650Installationinstruction

2.3Planningtheinstallation

Installationchecklist

Installationincludesthefollowingactivities:

InstallationTask

1Planyourinstallation.

2

Obtainallrequiredequipmentandtools.

3Mountthesystemcomponents.

4Routeallcables.

5

Drillcableandmountingholes.

6Makeallconnectionstoequipment.

7

Secureallequipmentinplace.

8

Completethepost-installationcheck.

AIS350system

ThefollowingillustrationsshowexamplesofAIS350systems.

Simplesystemexample

SeaTalkng

12 V / 24 V

AIS350 Rece iver

Status

USB

PWR/Data

ST

ng

VHF ANT

2

0

1

3

4

D12 0 8 4-1

ItemDescription

1.VHFantenna

2.

AIS350receiverunit

3.

Multifunctiondisplay

4.

Vessel’sexistingGPSantenna

AIS350Receiver

17

Extendedsystemexample

NMEA0183 - 4800

RF

12 V / 24 V

AIS350 Rece iver

Status

USB

PWR/Data

ST

ng

VHF ANT

0

1

2

3

4

D12 0 8 5-1

SeaTalkng

5

6

ItemDescription

1.VHFAntenna

2.VHFRadio

3.

VHFSplitter(Notsupplied)

4.

AIS350receiverunit

5.

Multifunctiondisplay

6.

Vessel’sexistingGPSantenna

Note:Itisnotrecommendedthatamultifunctiondisplayis

connectedusingbothSeaT alk

ng

andNMEA0183atthesame

time,asdataconictscouldoccur.

Packcontents

TheAIS350modelcontainsthefollowingitems:

1

2

3

4

5

6

AIS 35 0 R e c e ive r

Sta tus

USB

PWR /Data ST

ng

VHF ANT

D12 0 8 6-1

ItemDescription

1.

AIS350receiverunit

2.4xFixingscrews

18AIS350/AIS650Installationinstruction

ItemDescription

3.

2mpower/datacable

4.Documentpackcontains:

•Installationinstruction

•SupportsoftwareCD-ROM

•Warrantyregistrationcard

5.

SeaTalk

ng

Dustcap

6.

1mSeaTalk

ng

spurcable

UnpacktheAISunitcarefullytopreventdamage.Savethecarton

andpackingincasetheunithastobereturnedforservice.

Toolsrequired

Toolsrequiredforinstallation

1

2

3

D12 0 8 7-1

ItemDescription

1.PowerDrill

2.

Screwdriver

3.

3.2mm(1/4”)drillbit

AIS350Receiver19

2.4Cablesandconnections

Generalcablingguidance

Cabletypesandlength

Itisimportanttousecablesoftheappropriatetypeandlength

•Unlessotherwisestateduseonlystandardcablesofthecorrect

type,suppliedbyRaymarine.

•Ensurethatanynon-Raymarinecablesareofthecorrectquality

andgauge.Forexample,longerpowercablerunsmayrequire

largerwiregaugestominimizevoltagedropalongtherun.

Routingcables

Cablesmustberoutedcorrectly,tomaximizeperformanceand

prolongcablelife.

•

DoNOTbendcablesexcessively.Whereverpossible,ensurea

minimumbendradiusof100mm.

Minimum bend of cable

100 mm (4 in) radius

Minimum bend

200 mm (8 in)

diameter

•Protectallcablesfromphysicaldamageandexposuretoheat.

Usetrunkingorconduitwherepossible.DoNOTruncables

throughbilgesordoorways,orclosetomovingorhotobjects.

•Securecablesinplaceusingtie-wrapsorlacingtwine.Coilany

extracableandtieitoutoftheway.

•Whereacablepassesthroughanexposedbulkheadordeckhead,

useasuitablewatertightfeed-through.

•DoNOTruncablesneartoenginesoruorescentlights.

Alwaysroutedatacablesasfarawayaspossiblefrom:

•otherequipmentandcables,

•highcurrentcarryingacanddcpowerlines,

•antennae.

Strainrelief

Ensureadequatestrainreliefisprovided.Protectconnectorsfrom

strainandensuretheywillnotpulloutunderextremeseaconditions.

Circuitisolation

Appropriatecircuitisolationisrequiredforinstallationsusingboth

ACandDCcurrent:

•Alwaysuseisolatingtransformersoraseparatepower-inverter

torunPC’s,processors,displaysandothersensitiveelectronic

instrumentsordevices.

•AlwaysuseanisolatingtransformerwithWeatherFAXaudio

cables.

•Alwaysuseanisolatedpowersupplywhenusinga3rdparty

audioamplier.

•AlwaysuseanRS232/NMEAconverterwithopticalisolationon

thesignallines.

•AlwaysmakesurethatPC’sorothersensitiveelectronicdevices

haveadedicatedpowercircuit.

Cableshielding

Ensurethatalldatacablesareproperlyshieldedthatthecable

shieldingisintact(e.g.hasn’tbeenscrapedoffbybeingsqueezed

throughatightarea).

20AIS350/AIS650Installationinstruction

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