Reducednot

2014CorningIncorporated.
AllRightsReserved.
Bendable.
Compatible.
Thechoiceissimple.
Ultra.
Networkownershavemuchtoconsiderwhenchoosingtherightfiberforaccessnetworks.
Withalifespanof15to20years,upgradestohigherdataratesmustbesupportedandthenetworkhastomaximizecoverageareafromthecentraloffice.
Low-lossG.
652.
Dfiberswithimprovedattenuationsupportbothsystemupgradesandextendedcoverage.
However,lackingadditionalbendresilience,theyarealsolimitedforallowingcableandhard-wareminiaturizationandlowcostdeploymenttechniques.
MacrobendimprovedG.
657fibersenablethesesmallercabledesignsandlow-costinstallationstechniques.
However,thesefiberstendtobedesignedwithsmallermodefielddiameter(MFD)andmayfeaturealowerrefractiveindex"trench"regionaroundthecoretoassistinbendresistancewhichcancausedifficultiesduringtheinstallationprocesswhenconnectedtoexistingG.
652.
Dfibers.
Fortunately,technologyadvanceshavenowremovedtheneedtotrade-offbetweendesirableproperties.
CorningSMF-28UltrafiberdeliverslowattenuationandimprovedmacrobendperformancewhilemaintainingthesameMFDdiameteroflegacyG.
652.
Dfibersforseamlessintegrationintoyourexistingnetwork.
Today,whenitcomestoselectingtherightfibertypeforyournetworkyoudon'thavetocompromise.
BendMattersSMF-28Ultrafiberdeliversupto10xbettermacrobendlosscomparedtotheG.
652.
Dstandardfor30mmradiibendsandupto33%bettermacrobendlosscomparedtotheG.
657.
A1standardfor10mmradiibends,enabling:Tighterpackinginsmallerandlightercabledesigns.
Thisallowsmoreefficientuseofinfrastructurethroughlowerspaceoccupancyinductsinadditiontofasterdeploymentspeedsandproducthandling.
Reducedinstallationtimebyminimizingreworkduetolossatbendsthatoccurduringinstallationandmaintenance,allowingcablehousinginsmallercabinetsandclosures.
Futureupgradestohighercapacitiesbyensuringlowlossatlongerwavelengthswherefiberismoresensitivetobending.
CompatibilityMattersTheenhancedmacrobendperformanceofSMF-28Ultrafiberisdeliveredwitha9.
2mMFD(at1310nm)whichisfullybackwardscompatiblewithtraditionalsingle-modefibersallowingforseamlessintegrationintoexistingG.
652.
Dnetworksandremovingconcernsrelativeto:FieldInstallation:theglassdesignofSMF-28Ultrafiberensuresthatfullyautomatedsplicingmachinesusedinthefield,canyieldoptimalsplicingperformanceusingdefaultsingle-modesplicingprograms,assuringfastandefficientinstallationforinstallersandnetworkoperators.
FieldInspection&Test:althoughnotafunctionalconcern,splicingG.
652.
DfiberstoG.
657fiberscanleadtomisleadingOTDRinspectionresultsduetoMFDmismatch,socalled"gainers"and"exaggeratedlosses".
Investigationofthesefeaturescanresultindelaysandinvolveadditionalre-testingwhichcanleadtofurthernetworkdisruption.
SplicingSMF-28Ultratopre-existingG.
652fibereliminatesthisconcern,simplifyingtheinspectionprocessandallowstheinstallationtoprogressunhindered.
UltraisHere.
AttributeSMF-28UltraFiberITU-TG.
652.
DITU-TG.
657.
A1Attenuation@1310nm≤0.
32dB/km≤0.
4dB/km≤0.
4dB/kmAttenuation@1383±3nm≤0.
32dB/km≤0.
4dB/km≤0.
4dB/kmAttenuation@1550nm≤0.
18dB/km≤0.
3dB/km≤0.
3dB/kmAttenuation@1625nm≤0.
20dB/km≤0.
4dB/km≤0.
4dB/kmMacrobendLoss,1turnx10mmradius@1550nm≤0.
50dBNotspecified≤0.
75dBMacrobendLoss,1turnx10mmradius@1625nm≤1.
5dBNotspecified≤1.
5dBMacrobendLoss,10turnsx15mmradius@1550nm≤0.
05dBNotspecified≤0.
25dBMacrobendLoss,10turnsx15mmradius@1625nm≤0.
30dBNotspecified≤1.
0dBMacrobendLoss,100turnsx30mmradius@1625nm≤0.
01dB≤0.
1dBNotspecifiedModeFieldDiameter@1310nm9.
2±0.
4m8.
6-9.
5±0.
6m8.
6-9.
5±0.
4mPMDLinkDesignValue≤0.
04ps/√km≤0.
20ps/√km≤0.
20ps/√kmMaximumIndividualFiberPMD≤0.
1ps/√kmNotspecifiedNotspecifiedKeySpecificationsLossMattersFibersignalloss–orattenuation–isintegraltoconcernsaroundperformance,transmissionspeedandcost.
SMF-28Ultrafiberoffers10%lowerattenuationthantypicalG.
652.
Dfibers,soserviceproviderscan:Extendreach,allowingupto20%improvementinsubscribercoveragefromacentralofficeandfacilitatingpossiblecentralofficeconsolidationinaccessnetworks.
Extenddistancesbetweenregenerationsitesoramplifiers,extendcablelifetime(byallowingmorerepairs)andimproveOpticalSignaltoNoiseRatio(OSNR)toallowupgradingto40Gb/s,100Gb/s,andbeyondinlong-haulnetworks.
SimplicityMattersTheneedforusingdifferentfibertypes(e.
g.
improved-bendG.
657.
A1aswellasG.
652.
D)indifferentpartsofthenetworkcanleadtocompatibilityissuesandincreaseinventorymanagementcomplexity.
Alsosuitableforuseinmetroandlong-haulnetworks,wherelowerattenuationcanbeexploitedevenfurther,SMF-28Ultrafibercanreducecostsassociatedwithinventorycomplexity,providingonerobustsolutionacrossallnetworkapplications.
Corning/OpticalFiber/PB115/September2014Corning,SMF-28,SMF-28e,andSMF-28e+areregisteredtrademarksofCorningIncorporated,Corning,NY.
2014CorningIncorporated.
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MechanicalReliabilitySMF-28UltrafiberismadewithCorning'spatentedOVDmanufacturingprocesstothesameexactingstandardsasallofitopticalfibersincludinghistoricsingle-modefiberssuchasSMF-28efiberandSMF-28e+fiber.
Assuch,itcontinuesthelegacyofhighreliabilityoperationinallapplicationscurrentlymetbyCorningfibers.
ConclusionSinceintroducingthefirstlow-lossopticalfiberin1970,Corning'sopticalfiberinnovationshavebeenfocusedonbettermeetingtheneedsofourcustomersandthenetworkoperatorsweserve.
Transmissiontechnologiesandbandwidthdemandcontinuetogrowrapidly,andopticalfiberperformancerequirementsmustcontinuetoevolvetoproviderobustandcosteffectivesystemperformance.
CorningSMF-28Ultrafiberbreaksthehistoricaltradeoffparadigmandcombinesimprovedlossandbendinasinglehigh-performancefiberthatremainsfullybackwardcompatibletoexistingsingle-modefibersforseamlessintegrationintoexistingaccessnetworks.
Don'tcompromisebetweenbendresilience,compatibilityandlowloss;choosethemallwithSMF-28Ultrafiber.
SplicingCorningaskedanindependent3rdpartytotestthesplicingperformanceofSMF-28Ultrafiber.
FibersplicingandconnectivityarekeyconsiderationsthatledCorningtodesignSMF-28UltrafiberwiththesamenominalMFD–9.
2m@1310nm–likeotherconventionalsingle-modefibers.
Asaresult,thisfullspectrumfibersplicesandconnectsinterchangeablywithSMF-28+fiberandotherstandardsingle-modefibersusingthesamemethods,procedures,equipment,andfullyautomatedcore-alignmentsplicingrecipes.
CorningIncorporatedOneRiverfrontPlazaCorning,NY14831U.
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APh:+1607-248-2000Email:cofic@corning.
comwww.
corning.
com/opticalfiberFrequency0SpliceLoss(dB)201510501310nm1550nm1625nm