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1、InternationalTelecommunicationUnionITU-TG.652TELECOMMUNICATION(06/2005)STANDARDIZATIONSECTOROFITUSERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSTransmissionmediacharacteristics–OpticalfibrecablesCharacteristicsofasingle-modeopticalfibreandcableITU-TRecommendationG.652ITU-TG-S
2、ERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199GENERALCHARACTERISTICSCOMMONTOALLANALOGUECARRIER-G.200–G.299TRANSMISSIONSYSTEMSINDIVIDUALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.300–G.399SYSTEMSONMETALLI
3、CLINESGENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONESYSTEMSG.400–G.449ONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICLINESCOORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TRANSMISSIONMEDIACHARACTERISTICSG.600–G.699GeneralG.600–G.609SymmetriccablepairsG.610–G.619Lan
4、dcoaxialcablepairsG.620–G.629SubmarinecablesG.630–G.649OpticalfibrecablesG.650–G.659CharacteristicsofopticalcomponentsandsubsystemsG.660–G.699DIGITALTERMINALEQUIPMENTSG.700–G.799DIGITALNETWORKSG.800–G.899DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999QUALITYOFSERVICEANDPERFORMANCE–GENERICAN
5、DUSER-RELATEDG.1000–G.1999ASPECTSTRANSMISSIONMEDIACHARACTERISTICSG.6000–G.6999DATAOVERTRANSPORT–GENERICASPECTSG.7000–G.7999ETHERNETOVERTRANSPORTASPECTSG.8000–G.8999ACCESSNETWORKSG.9000–G.9999Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationG.652Characteristic
6、sofasingle-modeopticalfibreandcableSummaryThisRecommendationdescribesthegeometrical,mechanical,andtransmissionattributesofasingle-modeopticalfibreandcablewhichhaszero-dispersionwavelengtharound1310nm.Thisfibrewasoriginallyoptimizedforuseinthe1310nmwavelengthregion,butcanalsobeusedinthe1550
7、nmregion.ThisisthelatestrevisionofaRecommendationthatwasfirstcreatedin1984.ThisrevisionclarifiesthatPMDQmustbespecifiedonuncabledfibreandmakescertaintolerancestighter.Thisrevisionisintendedtomaintainthecontinuingcommercialsuccessofthisfibreintheevolvingworldof
