GB 51158-2015 GB51158-2015通信线路工程设计规范:英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforDesignofTelecommunication

CableLineEngineering

GB51158-2015

ChiefDevelopmentDepartment：MinistryofIndustryand

InformationTechnologyofthePeoplesRepublicofChina

ApprovalDepartment：MinistryofHousingandUrbanRural

-

DevelopmentofthePeoplesRepublicofChina

ImplementationDate：Jun1，2016专用

人人文库

ChinaPlanningPress

Beijing2019

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2016

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019

byChinaPlanningPress

rd专用

3Floor，CTower，GuohongBuilding

No.A11，Muxidi-Beili，XichengDistrict

Beijing，100038

PrintedinChinabyBeijingJingyintangGraphicPrintingCenter

©2016byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymeans，graphic，electronic，ormechanical，includingphotocopying，recording，

oranyinformationstora人人文库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

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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专用theadministrationofthecode

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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

人人文库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……………………专用（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人人文库forAerialCopperCables…………………（33）

7.5InstallationRequirementsforCrossconnectionAreas……………（35）

-

7.6InstallationRequirementsforWiringZones…………（37）

7.7LeadinginCables………………（38）

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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）

专用

人人文库

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.

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Theengineeringdesignshallensuretheoverallcommunicationqualityofthenetwork，supported

1.0.5

byadvancedtechnology，costeffectivenessandsecurityandreliability.Inaddition，multipledesigns

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shallbeproposedandcomparedinordertoachieveeconomicefficiencyand专用reduceprojectcosts.

Theengineeringdesignshallbecombinedwithcommunicationdevelopmentplanningtoleverage

1.0.6

theexistinginfrastructureandequipmentofthenetwork.Theconstructionscheme，technologyscheme

andequipmentselectionshallbebasedonthenetworkdevelopmentplanningwithfullconsiderationto

bothmidtermandlongtermdemandanddevelopmentobjectives.

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Theseismicperformanceofthecommunicationsnetworkshallbeconsideredduringthe

1.0.7

telecommunicationcablelineconstructioninregionswhereover7（inclusive）degreesofseismic

fortificationisrequiredinChina.

Inadditionaltoobservethiscode，besides，telecommunicationcablelineengineeringdesignshall

1.0.8

complywiththenationalactiverelevantstandardsalso.

人人文库

1··

2Abbreviations

AcronyminEnglishFullnameinEnglish

ADSSAllDielectricSelfSupporting

CPNCustomerPremisesNetwork

DPDistributionPoint

FPFlexiblePoint

MDFMainDistributionFrame

ODFOpticalDistributionFrame

OPGWOpticalFiberCompositeOverheadGroundWire

PMDPolarizationModeDispersion

SNService专用Node

人人文库

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专用

FPDP

SNCPN

PrimarySecondaryUserdrop

cablescableswires

Accessnetworklines

Figure3.1.2Structureofaccessnetworklines

3.2TelecommunicationCableLineNetworkDesign

Designofopticalcablelinenetworkshallcomplywiththefollowingprinciples：

3.2.1

Opticalcablelinesshallbesafeandreliable，extendingdownwardgraduallytoprovide

1

communicationsservicestoendusers.

Inadditiontosupportthecommunicationsdevelopmentplanning，thecapacityandroutingof

2

theopticalcablelinenetworkshallalsoconsiderlongtermbusinessdemandanddevelopmenttrendsof

-

networkingtechnology人人文库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.专用

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人人文库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专用basisandsetting

3.2.11

multipleseparatecablesisnotadvised.

Thedistributionofthecoppercablelinenetworkshallgiveprioritytocrossconnecting

3.2.12

methods，supplementedbyfeedthroughandfreedistributionandshouldnotusemultipleconnections.

-

Crossconnectionsshouldadoptonelevelcrossconnectingandapplytofixedcrossconnectingareas.

Thedirectserviceareaswithin500metersaroundthestationsmayadopteitherfeedthroughorfree

-

distribution.Freedistributionmethodsshouldbeusedforfullcoloredallplasticcablelines.Forthe

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originalexistingcablelines，ifnotmuchadjustmentisneeded，theoriginaldistributionmethodmaybe

maintained.

Multipleconnectionshallnotbeusedforprimarycables，neitherthesecondarycablesthat

3.2.13

adoptcrossconnectingmethods.

Theutilizationrateofeachcablepairsforvarioussectionsinthedesignofcoppercableline

3.2.14

networkshouldcomplywiththespecificationsoutlinedinTable3.2.14.

Table3.2.14Theultimateutilizationrateofcablepairs

人人文库CablelayingsectionsUtilizationrateofthepairs（%）

Telephoneswitchingofficecrossconnectcabinet85-90

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Crossconnectcabinetterminaldistributionequipmentwithoutmultipleconnecting60-80

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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

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onlytheadministrationsectionsofcommunityandneighborhoodsunderoverallcityplanning，butalso

theoriginalcrossconnectingareaordistributionarea，distributionandroutingofcablesandoptical

cables.Thescopeofdistributionareasshouldnotexceedthecertainthresholdforthesakeofsecondary

cableshortening.

Thearrangementofcablewireorderanddistributionequipmentshallstartfromfartonear，and

3.2.18

fromsmalltolarge.

专用

人人文库

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专用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

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considered.