Fiberplex FOM-3841 Manual de usuario

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USERMANUAL

4ChannelPOTSTelephoneFiberConverter

FOM‐3841/3842

WarningforYourProtection

1.Readtheseinstructions.

2.Keeptheseinstructions.

3.Heedallwarnings.

4.Followallinstructions.

5.Donotusethisapparatusnearwater.

6.Cleanonlywithadrycloth.

7.Donotblockanyoftheventilationopenings.Installinaccordancewiththemanufacturer’sinstructions.

8.Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stoves,orotherapparatus(includingamplifiers)thatproduceheat.

9.Donotdefeatthesafetypurposeofthepolarizedorgrounding‐typeplug.Apolarizedplughastwobladeswithonewiderthantheother.A

groundingtypeplughastwobladesandathirdgroundingprong.Thewidebladeorthethirdprongisprovidedforyoursafety.Iftheprovidedplug

doesnotfitintoyouroutlet,consultanelectricianforreplacementoftheobsoleteoutlet.

10.Protectthepowercordfrombeingwalkedonorpinched,particularlyatplugs,conveniencereceptacles,andthepointwheretheyexitfromthe

apparatus.

11.Onlyuseattachments/accessoriesspecifiedbythemanufacturer.

12.Useonlywiththecart,stand,tripod,bracket,ortablespecifiedbythemanufacturer,orsoldwiththeapparatus.Whenacartisused,use

cautionwhenmovingthecart/apparatuscombinationtoavoidinjuryfromtip‐over.

13.Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

14.Referallservicingtoqualifiedservicepersonnel.Servicingisrequiredwhentheapparatushasbeendamagedinanyway,suchaspower‐supply

cordorplugisdamaged,liquidhasbeenspilledorobjectshavefallenintotheapparatus,theapparatushasbeenexposedtorainormoisture,does

notoperatenormally,orhasbeendropped.

Theapparatusshallnotbeexposedtodrippingorsplashing.Noobjectsfilledwithliquids,suchasvasesordrinkcups,shallbeplacedonthe

apparatus.

“WARNING:Toreducetheriskoffireorelectricshock,donotexposethisapparatustorainormoisture.”

GeneralInstallationInstructions

Pleaseconsiderthesegeneralinstructionsinadditiontoanyproduct‐specificinstructionsinthe“Installation”chapterofthismanual.

Unpacking

Checktheequipmentforanytransportdamage.Iftheunitismechanicallydamaged,ifliquidshavebeenspilledorifobjectshavefallenintothe

unit,itmustnotbeconnectedtotheACpoweroutlet,oritmustbeimmediatelydisconnectedbyunpluggingthepowercable.Repairmustonlybe

performedbytrainedpersonnelinaccordancewiththeapplicableregulations.

InstallationSite

Installtheunitinaplacewherethefollowingconditionsaremet:

 Thetemperatureandtherelativehumidityoftheoperatingenvironmentmustbewithinthespecifiedlimitsduringoperationofthe

unit.Valuesspecifiedareapplicabletotheairinletsoftheunit.

 Condensationmaynotbepresentduringoperation.Iftheunitisinstalledinalocationsubjecttolargevariationsofambient

temperature(e.g.inanOB‐van),appropriateprecautionsmustbetaken.

 Unobstructedairflowisessentialforproperoperation.Ventilationopeningsoftheunitareafunctionalpartofthedesignandmust

notbeobstructedinanywayduringoperation(e.g.‐byobjectsplaceduponthem,placementoftheunitonasoftsurface,or

improperinstallationoftheunitwithinarackorpieceoffurniture).

 Theunitmustnotbeundulyexposedtoexternalheatsources(directsunlight,spotlights).

AmbientTemperature

UnitsandsystemsbyFiberPlexaregenerallydesignedforanambienttemperaturerange(i.e.temperatureoftheincomingair)of+5...+40°C.

Whenrackmountingtheunits,thefollowingfactsmustbeconsidered:

 Thepermissibleambienttemperaturerangeforoperationofthesemiconductorcomponentsis0°Cto+70°C(commercial

temperaturerangeforoperation).

 Theairflowthroughtheinstallationmustallowexhaustairtoremaincoolerthan70°Catalltimes.

 Averagetemperatureincreaseofthecoolingairshallbeabout20C°,allowingforanadditionalmaximum10C°increaseatthe

hottestcomponents.

Ifthecoolingfunctionoftheinstallationmustbemonitored(e.g.forfanfailureorilluminationwithspotlamps),theexhaustairtemperaturemust

bemeasureddirectlyabovethemodulesatseveralplaceswithintheenclosure.

GroundingandPowerSupply

Groundingofunitswithmainssupply(classIequipment)isperformedviatheprotectiveearth(PE)conductorintegratedinthreepinPhoenix™

connector.Unitswithbatteryoperation(<60V,classIIIequipment)mustbeearthedseparately.Groundingtheunitisoneofthemeasuresfor

protectionagainstelectricalshockhazard(dangerousbodycurrents).Hazardousvoltagemaynotonlybecausedbydefectivepowersupply

insulation,butmayalsobeintroducedbytheconnectedaudioorcontrolcables.

Thisequipmentmayrequiretheuseofadifferentlinecord,attachmentplug,orboth,dependingontheavailablepowersourceatinstallation.If

theattachmentplugneedstobechanged,referservicingtoqualifiedpersonnel.

Warranty,ServiceandTermsandConditionsofSale

ForinformationaboutWarrantyorServiceinformation,pleaseseeourpublished‘TermsandConditionsof

Sale’.Thisdocumentisavailableonfiberplex.comorcanbeobtainedbyrequestingitfrom

[email protected]orcalling301.604.0100.

Disposal

DisposalofPackingMaterials

Thepackingmaterialshavebeenselectedwithenvironmentalanddisposalissuesinmind.Allpackingmaterial

canberecycled.Recyclingpackingsavesrawmaterialsandreducesthevolumeofwaste.Ifyouneedto

disposeofthetransportpackingmaterials,recyclingisencouraged.

DisposalofUsedEquipment

Usedequipmentcontainsvaluablerawmaterialsaswellassubstancesthatmustbedisposedof

professionally.Pleasedisposeofusedequipmentviaanauthorizedspecialistdealerorviathepublicwaste

disposalsystem,ensuringanymaterialthatcanberecycledhasbeen.Pleasetakecarethatyourused

equipmentcannotbeabused.Afterhavingdisconnectedyourusedequipmentfromthemainssupply,make

surethatthemainsconnectorandthemainscablearemadeuseless.

Disclaimer

Theinformationinthisdocumenthasbeencarefullycheckedandisbelievedtobeaccurateatthetimeof

publication.However,noliabilityisassumedbyFiberPlexforinaccuracies,errors,oromissions,norforlossor

damageresultingeitherdirectlyorindirectlyfromuseoftheinformationcontainedherein.



Introduction

TheFOM‐3841andFOM‐3842providecompleteelectricalisolationforfourindependentchannelsof2‐wire

telephonecommunications.TheFOM‐3842supportsstandardanalogphones,STU‐III(securetelephoneunit)

phones,STE(securetelephoneequipment)phones,faxmachines,andmodemsandsupportsCallerID.

TheunitscanbeusedinareasofhighelectricalnoiseorinandoutofRFshieldedenclosures.Thefiberoptic

cableisnotsusceptibletointerferencecausedbyimpulsenoise,crosstalk,orEMI.Privacyofcommunications

isalsoenhancedbecausethefiberopticcabledoesnotradiateanyemissions.Inaddition,fiberopticcable

offersmuchlongertransmissiondistancesthantraditionaltelephonelinecordwiring.Multimodeopticson

theunitscanextendthedistanceto2km,whilesinglemodeopticscanfurtherextendthedistanceto20km.A

typicallinkconsistsofanFOM‐3841connectedtothePOTSlineandanFOM‐3842atthesubscriber’sphone

withaduplexfiberopticcablebetweenthem.

KeyFeatures

 ChannelTelephonetoFiberModule

 TypicalApplicationsInclude:

o StandardPOTSTelephones

o STU‐IIIandSTEPhones

o FaxMachines

o Modem

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GettingStarted

InitialInspection

Immediatelyuponreceipt,inspecttheshippingcontainerfordamage.Thecontainershouldberetaineduntil

theshipmenthasbeencheckedforcompletenessandtheequipmenthasbeencheckedmechanicallyand

electrically.Iftheshipmentisincomplete,ifthereismechanicaldamage,oriftheunitfailstooperatenotify

FiberPlexandmaketheshippingmaterialsavailableforthecarrier'sinspection.



TypicalApplication

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Features

RearIndicators/Connections

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Figure1:FOM‐3841/3842Rear



2 2

3 3

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ChassisMountingScrews(x2)–ThesecaptivefastenerssecuretheFOMcardinthechassis.Theheads

areknurledsothatnotoolisrequiredformounting/dismounting.

OpticsStatusLED–ThisLED,foreachposition,indicatesstatusasperthefollowingtable;





StatusLED–ThisLED,foreachposition,indicatesstatusasperthefollowingtable;







RJ‐11Exchange(FXO)Connectors–Connecttoexchangeattheseports.Seepinouttablebelow.

RJ‐11Instrument(FXS)Connectors–Connecttoinstrumentattheseports.Seepinouttablebelow.

RJ‐11Pinout

Pin Description 

1 

2 

3 Ring(‐)

4 Tip(+)

5 

6 



OpticalFiberConnections–ThispositionmaybeapairofSTconnectors,LCconnectorsoranSFPslot,if

soordered.



OpticsStatusLED

Status Description

SteadyGreen Opticsinsyncateachendoflink

FlashingGreen LocalopticalRXisreceivingerrors

SteadyYellow RemoteopticalRXlossofsignalorsync

FlashingYellow LocalopticalRXsignalpresent,butnosync

FlashingOrange Cardtypemismatchatremoteend;thetwocardsarenotcompatible

SteadyRed NoopticalRXsignal

Off Cardfailure

PowerStatusLED

Status Description

SteadyGreen Cardpowersupplynormaloperation

SteadyRed Cardpowersupplyfailureorinover‐currentprotection

Off Cardfailureormainpowerfailure

1

2

3

4

6

5

FrontDisplays



Figure2FOM‐3841/3842FrontDisplay

TheseLEDsindicatesstatusasperthefollowingtable





POT S Exchange

Power

Optics

SW Option

Off Hook

Ringing

CH 1

CH 2

CH 3

CH 4

FOM-3842

POTS Subscriber

Power

Optics

SW Option

Off Hook

Ringing

Ring Down

CH 1

CH 2

CH 3

CH 4

DisplayLEDIndicators

Label Status Description

Power SteadyGreen Thepowersuppliesonthecardareoperatingproperly.

SteadyRed Thepowersuppliesonthecardarenotregulatingthecorrectvoltagesorthereisan

openfuseonthecard.Unplugthepowerfromthecardfor30secondsandthenplug

itinagainsothatthefuseonthecardhastimetoreset.IfthePowerledisstillredor

notaconstantgreen,replacethecard.

Off Cardfailureormainpowerfailure.

Optics SteadyGreen Opticsinsyncateachendoflink

FlashingGreen LocalopticalRXisreceivingerrors

SteadyYellow RemoteopticalRXlossofsignalorsync

FlashingYellow LocalopticalRXsignalpresent,butnosync

FlashingOrange Cardtypemismatchatremoteend;thetwocardsarenotcompatible

SteadyRed NoopticalRXsignal

Off Cardfailure

SWOption SteadyGreen NoFunction

OffHook Yellow Lineisoffhook

Off Lineisonhook

Ringing Yellow Lineisringing

Off Lineisidle

RingDown Yellow Fom‐3842ispairedwithanotherFOM‐3842for4‐channelringdown

Off NormalPOTSoperation

PowerRequirementsandMounting

FlexiblemountingallowstheFOM‐5400tobemountedinanyofanumberofFOM‐serieschassis.

ChassismountingusingRMC‐5000

Combinationsofupto16FiberPlexFOM‐seriescardsmaybeinstalledintoaRMC‐5000rackchassis.Aloaded

RMC‐5000isshownbelow;



Figure3FOMCardbeinginstalledintoanRMC‐5000

StandaloneusingSAC‐1‐AC

SingleFOM‐seriescardsmaybeinstalledintotheSAC‐1chassis,eitherdesk,wall,orrackmounted,depending

ontheaccessorybrackets(includedineverySAC‐1shipment)utilized.



Figure4FOMCardbeinginstalledinaSAC‐1‐AC



InsertingandRemovingSFPModules



IdentifytheLatchTypeoftheSFPModule

SFPModuleshavevariouslatchingmechanismstosecurethemintotheSFPCageofadevice.FiberPlex

ModulescansupportahostofmanufacturersandbrandsofSFPModulessotheusermayencounterany

numberofdifferentlatches.Someofthesearedescribedbelow.

BailClasp

ThebailclaspSFPmodulehasaclasp

thatyouusetoremoveorinstalltheSFP

module.



ActuatorButton

TheactuatorbuttonSFPmoduleincludesabuttonthatyou

pushinordertoremovetheSFPmodulefromaport.This

buttoncaneitherlift‘Up’orpress‘In’toreleasetheSFP

Moduledependingonthemanufacturer.



MylarTab

TheMylartabSFPmodulehasatabthat

youpulltoremovethemodulefroma

port.



SlideTab

TheslidetabSFPmodulehasatabunderneaththefrontofthe

SFPmodulethatyouusetodisengagethemodulefromaport.



HandlingWarnings

SFPModulesarestaticsensitive.Topreventdamagefromelectrostaticdischarge(ESD),itis

recommendedtoattachanESDpreventativewriststraptoyourwristandtoabaremetalsurfacewhen

youinstallorremoveanSFPModule.

DisconnectallopticalorcoppercablesfromSFPModulespriortoinstallingorremovingtheSFPModule.

Failuretodosocouldresultindamagetothecable,cableconnectorortheSFPModuleitself.Removing

andinsertinganSFPModulecanshortenitsusefullife,soyoushouldnotremoveandinsertSFPModules

anymoreoftenthanisabsolutelynecessary.

ProtectopticalSFPmodulesbyinsertingcleandustcoversintothemafterthecablesareremoved.Be

suretocleantheopticsurfacesofthefibercablesbeforeyouplugthembackintotheopticalportsof

anotherSFPmodule.AvoidgettingdustandothercontaminantsintotheopticalportsofyourSFP

modules,becausetheopticswillnotworkcorrectlywhenobstructedwithdust.

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