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專用
人人文庫
NATIONALSTANDARD
OFTHEPEOPLESREPUBLICOFCHINA
CodeforDesignofTelecommunication
CableLineEngineering
GB51158-2015
ChiefDevelopmentDepartment:MinistryofIndustryand
InformationTechnologyofthePeoplesRepublicofChina
ApprovalDepartment:MinistryofHousingandUrbanRural
-
DevelopmentofthePeoplesRepublicofChina
ImplementationDate:Jun1,2016專用
人人文庫
ChinaPlanningPress
Beijing2019
ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2016
EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019
byChinaPlanningPress
rd專用
3Floor,CTower,GuohongBuilding
No.A11,Muxidi-Beili,XichengDistrict
Beijing,100038
PrintedinChinabyBeijingJingyintangGraphicPrintingCenter
?2016byMinistryofHousingandUrban-RuralDevelopmentof
thePeoplesRepublicofChina
Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor
byanymeans,graphic,electronic,ormechanical,includingphotocopying,recording,
oranyinformationstora人人文庫geandretrievalsystems,withoutwrittenpermissionofthepublisher.
Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,belent,
resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof
blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition
includingthisconditionbeingimposedonthesubsequentpurchaser.
ISBN978-7-5182-1083-1
Foreword
Accordingtotherequirementsof"NoticeonPrintingtheDevelopmentandRevisionPlanof
NationalEngineeringConstructionStandardsin2010"(Jianbiao〔2010〕No.43),issuedbyMinistryof
HousingandUrbanRuralDevelopment,thecodeisdevelopedandcompletedbyChinaInformation
-
TechnologyDesigningandConsultingInstituteCo.,Ltd.(CITC),inconjunctionwiththeparticipating
developmentorganizations.
Extensiveresearchandinvestigationwereconductedduringtheformulationprocessofthe
specifications.Byreferencingandanalyzingbestpracticesandrelevantstandardsbothathomeand
abroadaswellasconsultingwithvariousparties,theworkinggroupconfirmedthelastversionupon
multiplereviewsandexaminations.
Thecodeconsistsof9chapterswiththemaincontentsasfollows:Generalprovisions,
abbreviations,telecommunicationcablelinenetwork,optical,coppercablesandterminalequipment
selection,cablerouteselection,installationofopticalcable,installationofcoppercable,protectionof
optical(copper)cablelines,stationpositionselectionandbuildingrequirements.
Theprovisionsprintedinboldfontarecompulsoryandmustbeenforcedstrictly.
MinistryofHousingandUrbanRuralDevelopmentisinchargeof專用theadministrationofthecode
-
andtheexplanationofthecompulsoryprovisionswhileCITCisresponsiblefortheexplanationof
specifictechnicalcontents.Duringtheimplementationprocessofthecode,suggestionsand
recommendationsarewelcomeandcanbemailedtoCITC.(Address:Building#3,ZhuYuBusiness
Center,No.9,SouthShoutiRoad,HaidianDistrict,Beijing,P.R.ChinaPostalCode:100048).
TheChiefDevelopmentOrganization,ParticipatingDevelopmentOrganizations,ChiefDrafting
Staff,andChiefExaminersofthecode:
ChiefDevelopmentOrganization:
ChinaInformationTechnologyDesigningandConsultingInstituteCo.,Ltd
ParticipatingDevelopmentOrganizations:
GuangdongPlanningandDesigningInstituteofTelecommunicationsCo.,Ltd.
JiangsuPostsandTelecommunicationsPlanningandDesigningInstituteCo.,Ltd.
ChiefDraftingStaff:
YongtaoHeZhaoxuCuiWanhuChenGuiyueXieBingMaoKezhengFeng
人人文庫BeihangChen
ChiefExaminers:
KaiLiangLiangShenRuilinChangXiaodongSunHongqiangZou
WeiboZhangDongmeiHanQiHuangJianqiaoCuiXiaohongLi
XiaoyingLiuKejianYangPengSun
Contents
1GeneralProvisions……………(1)
2Abbreviations…………………(2)
3TelecommunicationCableLineNetwork………(3)
3.1TelecommunicationCableLineNetworkArchitecture………………(3)
3.2TelecommunicationCableLineNetworkDesign……………………(3)
4Optical,CopperCablesandTerminalEquipmentSelection…………………(7)
4.1GeneralPrinciples………………(7)
4.2OpticalCableSelection…………(7)
4.3CopperCableSelection…………(8)
4.4TerminalEquipmentSelection……………………(9)
5CableRouteSelection…………(11)
5.1GeneralPrinciples………………(11)
5.2OpticalCableRouteSelection……………………(11)
5.3CopperCableRouteSelection……………………專用(12)
6InstallationofOpticalCables…………………(13)
6.1GeneralPrinciple………………(13)
6.2InstallationRequirementsforDirectlyBuriedOpticalCables…………(14)
6.3InstallationRequirementsforDuctOpticalCables…………………(16)
6.4InstallationRequirementsforAerialOpticalCables…………………(17)
6.5InstallationRequirementsforUnderwaterOpticalCables……………(21)
6.6Splicing,EntryandTerminationofOpticalCables…………………(25)
6.7InstallationRequirementsforSiliconcorePlasticPipes………………(26)
-
6.8InstallationRequirementsforOpticalCrossConnectionCabinets………(29)
6.9TransmissionDesignCriteriaforOpticalCableLines………………(30)
7InstallationofCopperCables…………………(32)
7.1GeneralPrinciple………………(32)
7.2InstallationRequirementsforDirectlyburiedCables…………………(32)
-
7.3InstallationRequirementsforDuctCopperCables…………………(33)
7.4InstallationRequirements人人文庫forAerialCopperCables…………………(33)
7.5InstallationRequirementsforCrossconnectionAreas……………(35)
-
7.6InstallationRequirementsforWiringZones…………(37)
7.7LeadinginCables………………(38)
-
7.8CopperCableSplicing……………(38)
7.9TransmissionDesignCriteriaforCopperCableLines………………(39)
8ProtectionofOptical(Copper)CableLines……………………(41)
8.1Optical(Copper)CableLineProtectionfromStrongElectricityDangers………………(41)
8.2Optical(Copper)CableLineProtectionfromStrongElectricityInterference……………(42)
1··
8.3Optical(Copper)CableLineProtectionfromThundersandLightning…………………(43)
8.4CableLineProtectionfromOtherInfluences………(45)
9StationPositionSelectionandBuildingRequirements………(46)
9.1StationPositionSelectionPrinciples……………(46)
9.2BuildingRequirements…………(46)
ExplanationofWordinginThisCode……………(47)
ListofQuotedStandards…………(48)
Addition:ExplanationofProvisions………………(49)
專用
人人文庫
2··
1GeneralProvisions
Thecodeisformulatedwithaviewtostandardizedocumentsontelecommunicationcableline
1.0.1
engineeringdesignandimprovetheengineeringdesignandmanagementoftelecommunicationcable
line.
Thecodeisapplicabletonewconstruction,renovationandextensionoflandtelecommunications
1.0.2
transmissionsystemsforoutdoorcablelineengineeringdesign.
Engineeringdesignsshallbeincompliancewiththenationalfundamentalconstructionguidelines
1.0.3
andpoliciesoneffectiveuseofresources,includingland,energyandrawmaterials.Thespecifications
alsoattachgreatimportancetotheprotectionofhistoricalrelics,naturalenvironmentandlandscape.
Duringtheconstructionoftelecommunicationcablelines,fullconsiderationshallbegiventothe
1.0.4
overallplanning,jointconstructioneffortsandresourcesharingamongmultiplepartiesinordertosatisfy
therequirementsofbuildingaresourceconservingandenvironmentalfriendlysociety.
--
Theengineeringdesignshallensuretheoverallcommunicationqualityofthenetwork,supported
1.0.5
byadvancedtechnology,costeffectivenessandsecurityandreliability.Inaddition,multipledesigns
-
shallbeproposedandcomparedinordertoachieveeconomicefficiencyand專用reduceprojectcosts.
Theengineeringdesignshallbecombinedwithcommunicationdevelopmentplanningtoleverage
1.0.6
theexistinginfrastructureandequipmentofthenetwork.Theconstructionscheme,technologyscheme
andequipmentselectionshallbebasedonthenetworkdevelopmentplanningwithfullconsiderationto
bothmidtermandlongtermdemandanddevelopmentobjectives.
--
Theseismicperformanceofthecommunicationsnetworkshallbeconsideredduringthe
1.0.7
telecommunicationcablelineconstructioninregionswhereover7(inclusive)degreesofseismic
fortificationisrequiredinChina.
Inadditionaltoobservethiscode,besides,telecommunicationcablelineengineeringdesignshall
1.0.8
complywiththenationalactiverelevantstandardsalso.
人人文庫
1··
2Abbreviations
AcronyminEnglishFullnameinEnglish
ADSSAllDielectricSelfSupporting
CPNCustomerPremisesNetwork
DPDistributionPoint
FPFlexiblePoint
MDFMainDistributionFrame
ODFOpticalDistributionFrame
OPGWOpticalFiberCompositeOverheadGroundWire
PMDPolarizationModeDispersion
SNService專用Node
人人文庫
2··
3TelecommunicationCableLineNetwork
3.1TelecommunicationCableLineNetworkArchitecture
Telecommunicationcablelinenetwork(Figure3.1.1)shallincludelongdistancelines,local
3.1.1-
linesandaccesslines,usingtransmissionmediasuchasopticalcablesandcoppercables.
Corenetwork
AccessAccess
LocallinesLocallines
linesLongdistancelineslines
ChannelLocalLongLongLocalChannel
terminalnodedistancedistancenodeterminal
nodenode
Figure3.1.1Referencemodelforcommunicationsnetworks
Theaccessnetworkpart(Figure3.1.2)shallincludeprimarycables,secondarycablesanduser
3.1.2
dropwires,usingtransmissionmediasuchasopticalcablesandcoppercables.
Treference
Vreference
point
point專用
FPDP
SNCPN
PrimarySecondaryUserdrop
cablescableswires
Accessnetworklines
Figure3.1.2Structureofaccessnetworklines
3.2TelecommunicationCableLineNetworkDesign
Designofopticalcablelinenetworkshallcomplywiththefollowingprinciples:
3.2.1
Opticalcablelinesshallbesafeandreliable,extendingdownwardgraduallytoprovide
1
communicationsservicestoendusers.
Inadditiontosupportthecommunicationsdevelopmentplanning,thecapacityandroutingof
2
theopticalcablelinenetworkshallalsoconsiderlongtermbusinessdemandanddevelopmenttrendsof
-
networkingtechnology人人文庫inordertodetermineconstructionscale.
Thenumberoffibersforlongdistanceopticalcablesshallbedeterminedbylongtermdemand,
3-
whilelocalnetworksandaccessnetworksshallbeconfiguredbasedonmidtermdemandwithsufficient
-
redundancyforpotentialdemand.
Designofopticalcablelinesforaccessnetworksshallbeconducteduponthebasisof
4
distributionofserviceaccesspoints,natureofsubscribers,developmentquantity,density,geographical
locationsandtimeframes.Inthemeantime,fullconsiderationshallbegiventovariousfactorsincluding
geographicalenvironment,ductandpoleresources,capacityoforiginalcables,andconstructionmethods
ofbroadbandopticalaccessnetworkswhilstselectingappropriaterouting,topologyandfiber
3··
distributionpatterns.Thiswouldbeinstrumentalinbuildinganetworkthatallowsflexiblearrangement
andscheduling,effectiveutilizationofopticalfibersandinvestmentsavingandsupportsfuture
developmentandnetworkmaintenance.
Whileconstructingnewopticalcable(copper)lines,requirementsforcoconstructionand
3.2.2-
sharingshallbetakenintoconsideration.
Ductmethodsshallbefirstchosenwhenlayingopticalcablelinesincitiesandurbanareas.In
3.2.3
placeswhereductmethodsarenotfeasible,plasticpipeprotection,conduitsorothersuitablewaysmay
beadopted.
Ductordirectlyburiedmethodsshouldbeadoptedwhenlayingopticalcablelinesinnonurban
3.2.4-
areas,whileaerialmethodsmayalsobeappliedaccordingtothelocalnaturalenvironmentand
conditionsofeconomicandsocialdevelopment.
Aerialmethodsmaybeappliedunderthefollowingconditions:
3.2.5
Inareassuchascanyons,deepditchesandvalleys,steepmountainsetc.whereductordirectly
1
buriedmethodscannotguaranteesafety.
Inareaswhereotherexistingfacilities,eitherundergroundoraboveground,createdifficulties
2
forconstruction,ownersoftheoriginalfacilitiesdonotpermitconstructionorcompensationcostsare
excessivelyhigh.
Inareaswhereotherlayingmethodscannotbeadoptedduetoreasonssuchasprotectionofthe
3
environmentandculturalrelics.專用
Inareaswherelongtermconstructioncannotbeconductedduetoplanningforother
4-
constructions.
Inareaswherethegroundsurfaceissinkingandthegeologicalenvironmentisunstable.
5
Inareaswhereconstructioncostsofductordirectlyburiedmethodsaretoohigh,aerialmethods
6
canguaranteethesafetyofthelinesandwhilstmaintainingthelocallandscapeviewandthenatural
environment.
Opticalcablestypemaystayunchangedwhenductordirectlyburiedmethodsareappliedover
3.2.6
longrangeandaerialmethodsareadoptedforspecificlocations.
Opticalcablesacrossriversshouldadoptbridgeducts,conduitsorhanginginstallationmethods.
3.2.7
Whencablelayingcannotusebridgestogetcrossrivers,methodsshallbedeterminedaccordingtothe
followingprinciplesconsideringsiteconditionstoensuresafetyandstability:
Directionaldrillingorunderwateropticalcablesmaybeusedinriverswithsuitableriverbed
1
conditions.Peractualsituations,structureofopticalcablesmaystayunchangedwhenusingdirectional
drillingmethods.
Aerialmethods人人文庫maybeadoptedinsteadofunderwaterlayingtoensuresafetyofopticalcables.
2
Thishappensincaseswhereriverbedisunstablesiltingchangessignificantly,otherconstruction
planningexistsalongtheriverroutesortheriverbedsoilisnotappropriateforconstruction.
Theconstructionofcoppercablelinenetworkshalltakeintoaccountthedevelopmenttrend
3.2.8
ofhighspeedaccesstechnologyandopticalaccessreplacingcopperaccesstechnology.Thenetwork
shallbeconstructedbasedonthecapacityoflocalswitchingequipmentwhilstalsoconsidering
scopeofuserdemand,outgoingdirectionofthecables,routingaswellasdistributionareaofthe
cables.
Thedesignofthecoppercablelinenetworkshallcomplywiththefollowingprinciples:
3.2.9
4··
Shallgivefullconsiderationtothedevelopmentofcommunicationstechnology,evaluateand
1
analyzethenecessityofcablenetworkconstruction,andstrictlycontrolthecoveragescopeofcopper
cables.
Thecapacityandroutingofthecoppercablelinenetworkshallbedeterminedinlinewiththe
2
overallcommunicationsplanning,consideringtheneedtomeetrequirementsforanumberofyearsand
additionally,theneedtosupporttheexistingandpotentialprojects.
Shallconsidertheintegrityofthelinenetworkandproactivelyadoptnewtechnologyandnew
3
equipmentinordertomeetthedevelopmentandchangesoftheservicesandtheusersandensurethe
networkisreliable,flexibleandcosteffective.
Ductlayingmethodshallbepreferredincityareasandshallgraduallydeployingtheline
4
networkhiddeninthegroundinordernottodamagethenaturalenvironmentandlandscape.
Thedesignofprimarycablesforusersshallbebasedontheanalysisofuserquantity,
5
geographiesandtimeframe.Technicalmeasuresforsuchaspectsasdifferentdistributionmethods,
routing,capacity,pointofpairsdiminishingandconstructionmethodsshouldbeadoptedsothatthese
cablescanconstituteanetworkthatcanscheduleflexibly,offerhighpairsutilizationrate,save
investmentaswellasfacilitatingfuturedevelopment,operation,andmanagement.
Thecoppercableexpansionsmayonlybeconductedwhentherearenewbusinessrequirements
3.2.10
thatcannotbesupportedthroughadjustingtheexistingnetwork.
Thecapacityofcablesonthesamerouteshallbeplannedoncomprehensive專用basisandsetting
3.2.11
multipleseparatecablesisnotadvised.
Thedistributionofthecoppercablelinenetworkshallgiveprioritytocrossconnecting
3.2.12
methods,supplementedbyfeedthroughandfreedistributionandshouldnotusemultipleconnections.
-
Crossconnectionsshouldadoptonelevelcrossconnectingandapplytofixedcrossconnectingareas.
Thedirectserviceareaswithin500metersaroundthestationsmayadopteitherfeedthroughorfree
-
distribution.Freedistributionmethodsshouldbeusedforfullcoloredallplasticcablelines.Forthe
--
originalexistingcablelines,ifnotmuchadjustmentisneeded,theoriginaldistributionmethodmaybe
maintained.
Multipleconnectionshallnotbeusedforprimarycables,neitherthesecondarycablesthat
3.2.13
adoptcrossconnectingmethods.
Theutilizationrateofeachcablepairsforvarioussectionsinthedesignofcoppercableline
3.2.14
networkshouldcomplywiththespecificationsoutlinedinTable3.2.14.
Table3.2.14Theultimateutilizationrateofcablepairs
人人文庫CablelayingsectionsUtilizationrateofthepairs(%)
Telephoneswitchingofficecrossconnectcabinet85-90
-
Crossconnectcabinetterminaldistributionequipmentwithoutmultipleconnecting60-80
-
Telephoneswitchingofficeterminaldistributionequipment60-80
-
Thecablepairsshouldnotdeclinetoofrequently.Forthefollowingsituationstheyshouldnot
3.2.15
decline:
Inareaswhereextensionisdifficult;
1
Inareaswherefuturedevelopmentmaybeplannedandwherethelineequipmentneedstobe
2
flexible.
5··
Inareaswheretheductandpiperesourcesareconstrained.
3
Thecapacityofdistributionequipmentmaybechosenaccordingtofinallycovereduser
3.2.16
quantitymultipliedby1.2to1.5,combinedwiththenominalseriesoftheequipment.
Thepartitionofcablecrossconnectionareashallgiveprioritytothegeographicalconditions
3.2.17
andtheuserquantitycovered.Thedistributionareashallbepartitioned,devisedormergedinlinewith
longtermandshorttermneedandbalancedapproachoftechnologyandeconomy.Itshallconsidernot
--
onlytheadministrationsectionsofcommunityandneighborhoodsunderoverallcityplanning,butalso
theoriginalcrossconnectingareaordistributionarea,distributionandroutingofcablesandoptical
cables.Thescopeofdistributionareasshouldnotexceedthecertainthresholdforthesakeofsecondary
cableshortening.
Thearrangementofcablewireorderanddistributionequipmentshallstartfromfartonear,and
3.2.18
fromsmalltolarge.
專用
人人文庫
6··
4Optical,CopperCablesandTerminalEquipmentSelection
4.1GeneralPrinciples
Singlemodulefibershallbeusedinopticaltransmissionnetwork.
4.1.1
Theconfigurationofthenumberoffibersinopticalcablesshallfullyconsiderthenetwork
4.1.2
redundancyrequirements,thefuturesystemtypeexpected,thenumberoftransmissionsystems,
networkreliability,developmentofnewservices,structureofopticalcables,resourcesharingofoptical
fibersandotherfactors.
Fiberinopticalcablesshallpassthefullscreeningfortensionthatshouldbenolessthan0.69GPa.
4.1.3
Basedontheapplications,opticalfibersshouldbeselectedaccordingtothefollowingprinciples:
OpticalcablesforlongdistancenetworksshouldadoptG.652orG.655opticalfibers.
1
OpticalcablesforlocalnetworksshouldadoptG.652opticalfibers.
2
OpticalfibersforaccessnetworksshouldadoptG.652opticalfiberswhilstG.657opticalfibers
3
shouldbeadoptedtomeetspecialmicrobendneed.
Thecapacityofcablesshallbebasedonselectionofappropriatecables,consideringthe
4.1.4
distributionofusersanduserdemandalongwiththenominalseriesofcables專用inordertofullyleverage
thepairutilizationrate.
Multicorecablesshallbeadoptedforductprimarycablesofcablelinenetworkinorderto
4.1.5-
increasethenumberofpairsinoneduct.
4.2OpticalCableSelection
Opticalcablesshouldadoptaloosetube,centraltubestructure,ormayadoptaslottedcore
4.2.1
structureorotherbetterstructures.Thefibersinoneopticalcableshouldbeofthesametypeas
opposedtonotmixedtypes.
Opticalcablelinesshouldadopttheopticalcableswithoutmetalpairs.Accordingtoproject
4.2.2
requirements,inalightningdisturbanceorhighvoltageharmseriousregion,nonmetalcomponent
-
opticalcablesmaybechoseninareaswherelightningorhighvoltagerisksarefrequent.Forareaswhere
termitesandmouseharmseriousproblems,antitermiteandantimouseopticalcablesmaybe
--
considered.
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