GB/T 51152-2015 波分复用（WDM）光纤传输系统工程设计规范英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforEngineeringDesignofWavelengthDivision

Multiplexing（WDM）OpticalFiber

TransmissionSystems

GB/T51152-2015

Developedby：TheMinistryofIndustryandInformationTechnologyofthePeoplesRepublicofChina

Approvedby：TheMinistryofHousingandUrbanRuralDevelopment

-

ofthePeoplesRepublicofChina

ImplementationDate：Augest1，2016专用

人人文库

ChinaPlanningPress

Beijing2019

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2016

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019

专用

byChinaPlanningPress

rd

3Floor,CTower,GuohongBuilding

No.A11,Muxidi-Beili,XichengDistrict

Beijing,100038

www.jhpress.com

PrintedinChinabyBeijingJingyintangGraphicPrintingCenter

Ź2016byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

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

人人文库

oranyinformationstorageandretrievalsystems,withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,belent,

resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-1082-4

AnnouncementoftheMinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina

No.1005

AnnouncementoftheMinistryofHousingandUrbanRuralDevelopmenton

-

PublishingtheNationalStandardofCodeforEngineeringDesignofWavelength

DivisionMultiplexing（WDM）OpticalFiberTransmissionSystems

CodeforEngineeringDesignofWavelengthDivisionMultiplexing（WDM）OpticalFiber

TransmissionSystemshasbeenapprovedasanationalstandardwithserialnumberofGB/T51152-

2015，andwillbeimplementedonAugest1，2016.

AuthorizedbytheInstituteofStandardsandQuota，MOHURD，thiscodeispublishedand

distributedbyChinaPlanningPress.专用

MinistryofHousingandUrbanRuralDevelopmentofthePeoplesRepublicofChina

-

December3，2015

人人文库

Foreword

ThiscodewascompletedbyChinaMobileGroupDesignInstitute，Co.，Ltd.andinconjunction

withotherorganizationsinaccordancewiththerequirementsofDocumentJIANBIAO〔2011〕NO.17

issuedbytheMinistryofHousingandUrbanandRuralDevelopmentNoticeonPrintingthe

-

DevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2011.

Inthepreparationprocessofthiscode，thedraftingteamconductedindepthresearchand

-

investigation，carefullyreviewedtheapplicationanddevelopmentofWDMtechnologies，solicited

opinionsfromrelevantorganizationsandexpertsnationwide，andconsultednumerousrelevantdomestic

andinternationalstandardsandregulationsbeforefinalizingthedraft.

Thecodecomprises9chapterswiththemaintechnicalcontentsincludingthefollowing：general

provisions;termsandAbbreviations;systemconfigurationandCategorization;transmissionsystem

design;auxiliarysystems;networkprotection;transmissionsystemperformance;selectionand

configurationofequipmentandequipmentinstallation.

TheMinistryofHousingandUrbanRuralDevelopmentisinchargeoftheadministrationofthis

-

code;theMinistryofIndustryandInformationTechnologyisresponsibleforitsroutinemanagement;

andChinaMobileGroupDesignInstituteCo.，Ltd.isresponsiblefor专用theclarificationofspecific

technicalcontents.Duringtheprocessofimplementingthiscode，userssuggestionsandfeedback，

whenevernecessary，shouldbesubmittedtoChinaMobileGroupDesignInstituteCo.，Ltd.（Address：

16A，DanlingStreet，HaidianDistrict，Beijing，China，Postcode：100080）andsuchsuggestionsand

feedbackwillbeusedasreferenceforfuturerevision.

Chiefdevelopmentorganization，participatingdevelopmentorganizations，chiefdraftingstaffand

chiefreviewersofthiscode，translatorsandtranslationproofreadersarelistedasbelow：

ChiefDevelopmentOrganization：

ChinaMobileGroupDesignInstituteCo.，Ltd.

ParticipatingDevelopmentOrganizations：

GuangdongPlanningandDesigningInstituteofTelecommunicationsCo.，Ltd.

ShanghaiPostsandTelecommunicationsDesigningConsultingInstituteCo.，Ltd.

ChiefDraftersStaff：

LiuJiangpingGaoJunshiXiJianhuaLiYongWangYingchun

人人文库WangYunJiangShuzhenChenRuquanZhangYun

ChiefReviewers：

WangJunhuaLiuQiZhangGuoxinZouHongqiangYangTierong

ShenLiangYuanHaitaoHuangWeiminPanYaoxiWeiXianhu

Translators：

LiuJiangpingGaoJunshiXiJianhuaLiYongWangYingchun

WangJiameng

TranslationProofreaders：

WangJunhuaWangQi

Contents

1GeneralProvisions……………（1）

2TermsandAbbreviations………………………（2）

2.1Terms…………………………（2）

2.2Abbreviations…………………（3）

3SystemConfigurationandCategorization……………………（5）

3.1CharacteristicsofWDMSystem…………………（5）

3.2SystemConfiguration……………（5）

3.3ApplicationCodes………………（6）

3.4CentralWavelengthAllocation……………………（8）

3.5MainPathInterface……………（11）

3.6OTUInterface…………………（12）

3.7OpticalSupervisoryChannel……………………（14）

4TransmissionSystemDesign…………………专用（15）

4.1Station…………………………（15）

4.2FiberandDesignofMultiplexSection……………（15）

4.3DispersionCompensationandOtherTechnologies…………………（16）

4.4ChannelAssignment……………（16）

5AuxiliarySystems………………（17）

5.1NetworkManagementSystem……………………（17）

5.2EngineeringOrderWire…………（18）

6NetworkProtection……………（19）

6.1NetworkTopology………………（19）

6.2Protection……………………（19）

7TransmissionSystemPerformance……………（20）

7.1OpticalSignaltonoiseRatio……………………（20）

--

7.2BitError………………………（21）

7.3Jitter…………………………（23）

8Selectionand人人文库ConfigurationofEquipment……………………（24）

8.1SelectionofEquipment…………（24）

8.2ConfigurationofEquipment………………………（24）

9EquipmentInstallation…………（26）

9.1InstationCommunicationSystem…………………（26）

-

9.2StationLayoutandEquipmentArrangement………（26）

9.3EquipmentandCableRackInstallation……………（27）

9.4CableandWiring………………（27）

9.5PowerSupplySystemandGrounding……………（28）

·1·

9.6EquipmentRoomEnvironmentalConditions………（29）

ExplanationofWordinginThisCode……………（30）

ListofQuotedStandards…………（31）

Addition:ExplanationofProvisions………………（33）

专用

人人文库

·2·

1GeneralProvisions

Thiscodeisformulatedwithaviewtounifyandstandardizetheengineeringdesignof

1.0.1

wavelengthdivisionmultiplexing（WDM）opticalfibertransmissionsystemsinordertoachieve

advancedtechnology，safetyandreliability，economyandrationality，energysavingandenvironmental

protection.

ThiscodeisapplicabletotheengineeringdesignofsinglefiberunidirectionalCbandopen

1.0.2--

DWDMsystemsandsinglefiberunidirectionalopenCWDMsystems.

-

Engineeringdesignshallbecarriedoutbasedonoverallplanning，jointconstruction，and

1.0.3

resourcesharingtomeettherequirementofbuildingaresourceconservationandenvironmental

--

friendlysociety.

Onthebasisofensuringcommunicationquality，multipleengineeringdesignschemesshallbe

1.0.4

raisedandcomparedsoastoenhanceeconomicefficiencyandreduceprojectcost.

WDMopticalfibertransmissionsystemengineeringdesignshallcomplywithnotonlythe

1.0.5

requirementsstipulatedinthiscode，butalsothoseinthecurrentrelevant专用onesofthenation.

人人文库

·1·

2TermsandAbbreviations

2.1Terms

Cbandconventionalband

2.1.1-

Cbandreferstothewavelengthbandof1530nm-1565nm.

-

Lbandlongwavelengthband

2.1.2-

Lbandreferstothewavelengthbandof1565nm-1625nm.

-

Opticalchannel

2.1.3

Intheopticalmultiplexsection，anopticalchannelisapassagethroughwhichopticalsignalsare

unidirectionallytransmitted.

Nominalcentralfrequency（wavelength）

2.1.4

Anominalcentralfrequency（wavelength）isdefinedasafrequency（wavelength）allocatedata

certainfrequencyintervalintheWDMsystem，with193.10THz（1552.52nmvacuumwavelength）as

thereferencefrequency（wavelength）.

Opticalpath

2.1.5

Anopticalpathisanallinclusivefacilityfortransmittingspecific专用servicesignalsbetweenthe

-

sourcepointanddestinationpointWDMequipmentclientinterfaces.

Opticalboosteramplifier

2.1.6

Anopticalboosteramplifierisanopticalamplifierusedbehindthemultiplexerofthetransmitterof

theWDMsystemtoboostthesystemstransmittingopticalpower.

Opticalpreamplifier

2.1.7-

Anopticalpreamplifierisanopticalamplifierusedinfrontofthedemultiplexerofthereceiverof

-

theWDMsystemtoimprovesignalreceptionsensitivity.

Opticallineamplifier

2.1.8

Anopticallineamplifierisanopticalamplifierusedbetweenpassiveopticalfibersegmentsto

compensateforfiberlossandextendthelengthofpassiverelaytransmission.

Opticalamplifierspan

2.1.9

Anopticalamplifierspanisatransmissionentitybetweenadjacentopticallineamplifierstations

（OLAstations），orbetweenanopticalterminalmultiplexerstation（OTMstation）andtheadjacent

OLAstation，orbetweenanopticaladddropmultiplexerstation（OADMstation）andtheadjacent

-

OLAstation，constituting人人文库atransmissionspanusedtoextendthedistanceofpassiverelay.

Opticalmultiplexsection

2.1.10

Anopticalmultiplexsectionisatransmissionsegmentwithelectricalregenerativerelayfunctions

betweenadjacentOTMstationsorOADMstations，orbetweenanOTMstationandtheadjacent

OADMstation.

Ramanamplifier

2.1.11

ARamanamplifierisanopticalamplifierusedtoamplifysignalsbasedonthestimulatedRaman

scattering（SRS）effectofthetransmissionfibersoftheWDMsystem.

（Optical）coherentdetection

2.1.12

·2·

（Optical）coherentdetectionreferstodetectingandreceivingcarriersignalsphaseinformationby

meansofcoherentlymixingthelocalopticalcarriersignalandtheopticalcarriersignalsofthesame

frequencyinthereceivingdevice.

UltralonghaulDWDMsystem

2.1.13--

AnultralonghaulDWDMsystemisamultispan40/80×10GDWDMsystemwithatarget

---

distanceofmorethan1000km，orasinglespan40/80×10GDWDMsystemwithatargetdistanceof

-

morethan160km.

Receiveropticalsignalnoiseratiotolerance

2.1.14

InaWDMsystem，receiveropticalsignalnoiseratiotolerancereferstotheminimumtolerable

OSNRvalueatthepointorwhereanopticaltransponderunitOTUisdirectlyconnectedto

Sn（Rn）（）

thereferencereceiverwhenthemaximumapplicablebiterrorratio（e.g.1×10-12）isreachedafter

referencereceiverserrorcorrection.

2.2Abbreviations

SymbolEnglishnameChinesenameorinterpretation

ALSAutomaticLaserShutdown自动激光关断

APRAutomaticPowerReduction自动光功率减少

ASONAutomaticallySwitchedOpticalNetwork自动交换光网络

BBERBackgroundBlockErrorRatio背景误块比专用

BOLBeginofLife寿命初始

BTBBacktoback背靠背

--

CMICodedMarkInversion传号反转码

CORBACommonObjectRequestBrokerArchitecture公共对象请求代理体系

CWDMCoarseWavelengthDivisionMultiplexing粗波分复用

DCMDispersionCompensationModule色散补偿模块

DCNDataCommunicationNetwork数据通信网

DGDDifferentialGroupDelay差分群时延

DWDMDenseWavelengthDivisionMultiplexing密集波分复用

DPQPSKDualPolarizationQuadraturePhase双极化正交相移键控

-

ShiftKeying

RZDQPSKReturntoZerodifferential归零差分正交相移键控

--

QuadraturePhaseShiftKeying

EMSElementManagementSystem网元管理系统

EOL人人文库EndofLife寿命终了

FECForwardErrorCorrection前向纠错

HRPHypotheticalReferencePath假设参考通道

LANLocalAreaNetwork局域网

LCTLocalCraftTerminal本地维护终端

MPIMainPathInterface主光通道接口

NMSNetworklevelManagementSystem网络（级）管理系统

-

NRZNonreturntoZero非归零（码）

-

OAOpticalAmplifier光放大器

·3·

OADMOpticalAdddropMultiplexer光分插复用器

-

OCHPOpticalChannelProtection光通路保护

ODBOpticalDuobinary光双二进制码

ODFOpticalDistributionFrame光纤配线架

OD（U）OpticalDemultiplexer（Unit）光分波（解复用）器（单元）

-

ODUkOpticalChannelDataUnitk光通路数据单元k

-

OLAOpticalLineAmplifier光线路放大器

OLPOpticalLineProtection光线路保护

OM（U）OpticalMultiplexerUnit光合波（复用）器（单元）

OMSPOpticalMultiplexSectionProtection光复用段保护

OSCOpticalSupervisoryChannel光监控通路

OSNROpticalSignaltonoiseRatio光信噪比

--

OTMOpticalTerminalMultiplexer光终端复用器

OTNOpticalTransportNetwork光传送网

OTUOpticalTransponderUnit光转换单元（波长转换器）

OTUkOpticalChannelTransportUnitk光通路传送单元k

-

PDPSKPartialDifferentialPhaseShift部分差分相移键控

-

Keying

PMDPolarizationModeDispersion偏振模色散专用

PSBTPhaseshapedBinaryTransmission相位整形二进制传输

-

（R）OADM（Reconfigurable）OpticalAdd/Drop（可重构）光分插复用器

Multiplexer

RZReturntoZero归零（码）

RZAMIReturntozeroAlternateMark归零型信号交替翻转

---

Inversion

SDHSynchronousDigitalHierarchy同步数字体系

SESRSeverelyErroredSecondRatio严重误块秒比

SNMSSubnetworkManagementSystem子网管理系统

-

STMSynchronousTransportModule同步传送模块

WANWideAreaNetwork广域网

WDMWavelengthDivisionMultiplexing波分复用

人人文库

·4·

3SystemConfigurationandCategorization

3.1CharacteristicsofWDMSystem

WDMsystemsarecategorizedintodenseWDM（DWDM）systemsandcoarseWDM

3.1.1

（CWDM）systems.

ForaDWDMsystem，thechannelspacingshouldbe0.4nmor0.8nmandthenumbeofoptical

channelsinthebandof1530nm1565nmmaybe40or80.ForaCWDMsystem，thechannelspacing

-

shouldbe20nmandthenumberofopticalchannelsinthebandof1270nm1610nmmaybe4，8or16.

-

ThetypesofclientinterfacesforaWDMsystemshallbeinaccordancewiththosespecifiedin

3.1.2

Table3.1.2.

Table3.1.2TypesofclientinterfacesforaWDMsystem

TypesofclientinterfacesSignaltype

SDHinterfaceSTMN（N=1，4，16，64or256）

-

EthernetinterfaceGE，10GELAN，10GEWAN，40GE，100GE，etc

OTNinterfaceOTU1，OTU2，OTU3，OTU专用4，etc

ChanneltypesandchannelratesofaWDMsystemshallbeinaccordancewiththosespecifiedin

3.1.3

Table3.1.3.

Table3.1.3ChanneltypesofaWDMsystem

ChanneltypeChannelrate（Gbit/s）Signalstructure

1.25G0.6221.25STM4orGE

--

2.5G2.492.67STM16orOTU1

--

10G9.95312.5STM64orOTU2

--

40G39.81343.018STM256orOTU3

--

100G100.0130.0OTU4

-

3.2SystemConfiguration

AWDMsystem（Figure3.2.1）shallconsistofOpticalTerminalMultiplexer，OpticalLine

3.2.1

AmplifierandOpticalAddDropMultiplexer，andshallmeetthefollowingrequirements：

-

AnOTMshallconsistofamultiplexer，ademultiplexer，anopticalamplifier（OA）andan

1

opticaltransponder人人文库unit（OTU）.

AnOLAshallconsistofanOA.

2

AnOADMshallconsistofOMU，ODU，OAandOTU.

3

Figure3.2.1WDMsystemconfiguration

Tx/Rx-Clientequipment；BA-Opticalboosteramplifier；PA-Opticalpreamplifier；LA-Opticallineamplifier

-

·5·

3.3ApplicationCodes

TheapplicationcodesofMultispanDWDMsystemshallbedenotedbythecharactersequences

3.3.1-

"Mn.BcxW（D）z（S）"，andtheapplicationcodesofsinglespanDWDMsystemshallbedenotedbythe

----

charactersequences"Sn.BcW（D）z（S）"，themeaningandvalueofeachcharactershallbein

---

accordancewiththosespecifiedinTable3.3.1.

Table3.3.1ThemeaningandvalueofeachcharacterintheapplicationcodesofDWDMsystem

CharacterMeaningValueanddefinitions

MMultispanDWDMsystem

-—

SSinglespanDWDMsystem

-—

Themaximumnumberofchannelssupported

n—

byaDWDMsystem

BTheDWDMsystemschanneltypeInaccordancewiththosespecifiedinTable3.1.3

Thechannelspacing（GHz）oftheDWDM

c—

system

Themaximumnumberofspanssupported

x—

bytheDWDMsystem

A：ForamultispanDWDMsystem，itrepresentsaspanlossof22dB;fora

-

singlespanDWDMsystem，itrepresentsaspanlossof44dB；

Loss（dB）inthespanssupportedbythe-

WB：ForamultispanDWDMsystem，itrepresentsaspanlossof27dB;fora

DWDMsystem-

singlespanDWDMsystem，itrepresentsaspanlossof55dB；

-专用

C：ForamultispanDWDMsystem，itrepresentsaspanlossof33dB

-

ThetypeofopticalfiberthattheDWDM652：thetypeoffiberisG.652

z

systemsupports655：thetypeoffiberisG.655

C：ThespectralbandisCband（1530nm-1565nm），andletter"C"canbe

-

STheDWDMsystemsspectralbandomitted；

L：ThespectralbandisLband（1565nm-1625nm）

-

With/withoutdispersioncompensationin1：Withdispersioncompensation

D

WDMsystem0：Withoutdispersioncompensation

Note："D"isonlyforthe"100G"DWDMsystem.

TheapplicationcodesofaDWDMsystemshallbeinaccordancewiththosespecifiedinTable

3.3.2

3.3.2.

Table3.3.2ApplicationcodesofDWDMsystems

ChannelspacingSpanlossTargetdistance

SystemcapacityApplicationcodeFibertype

（GHz）（dB）（km）

M40.2.5G1008A6521008×22640G.652

--

M40.2.5G1006A6521006×22480G.652

--

M40.2.5G1003B6521003×27300G.652

人人文库--

M40.2.5G1003C6521003×33360G.652

40×2.5G--

M40.2.5G1008A6551008×22640G.655

--

M40.2.5G1006A6551006×22480G.655

--

M40.2.5G1003B6551003×27300G.655

--

M40.2.5G1003C6551003×33360G.655

--

M40.10G1008A6521008×22640G.652

--

M40.10G1006A6521006×22480G.652

40×10G--

M40.10G1003B6521003×27300G.652

--

M40.10G1003C6521003×33360G.652

--

·6·

Table3.3.2（continued）

ChannelspacingSpanlossTargetdistance

SystemcapacityApplicationcodeFibertype

（GHz）（dB）（km）

M40.10G1008A6551008×22640G.655

--

M40.10G1006A6551006×22480G.655

--

40×10G

M40.10G1003B6551003×27300G.655

--

M40.10G1003C6551003×33360G.655

--

M80.10G508A652508×22640G.652

--

M80.10G503B652503×27300G.652

--

M80.10G506B652506×27600G.652

--

80×10G

M80.10G509B652509×27900G.652

--

M80.10G508A655508×22640G.655

--

M80.10G503B655503×27300G.655

--

M40.10G10025A65210025×222000G.652

--

40×10G

M40.10G10038A65210038×223040G.652

ultralonghaul--

-

M40.10G10020B65210020×272000G.652

--

M80.10G5025A6525025×222000G.652

--

80×10G

M80.10G5038A6525038×223040G.652

ultralonghaul--

-

M80.10G5015B6525015×272000G.652

--专用

4010GS40.10G100A6521001×44160G.652

×--

ultralonghaulS40.10G100B6521001×55200G.652

---

M80.40G508A652508×22640G.652

--

M80.40G5012A6525012×22960G.652

--

M80.40G5016A6525016×221280G.652

--

80×40G

M80.40G508A655508×22640G.655

--

M80.40G5012A6555012×22960G.655

--

M80.40G5016A6555016×221280G.655

--

M40.40G1008A6521008×22640G.652

--

M40.40G10016A65210016×221280G.652

--

40×40G

M40.40G1008A6551008×22640G.655

--

M40.40G10016A65510016×221280G.655

--

M80.100G5018A06525018×221440G.652

---

M80.100G5014A06525014×221120G.652

---

M80.100G5014A16525014×221120G.652

---

人人文库M80.100G5010A16525010×22800G.652

---

80×100G

M80.100G5016A06555016221280G.655

---×

M80.100G5016A0655501022800G.655

---×

M80.100G5014A16555014221120G.655

---×

M80.100G5010A1655501022800G.655

---×

TheapplicationcodesofCWDMsystemshallbedenotedbythecharactersequences"nWxytz"，

3.3.3-

andthemeaningandvalueofeachcharactershallbeinaccordancewiththosespecifiedinTable3.3.3.

Forsinglefiberbidirectionalsystems，character"B"shallbeplacedinfrontoftheapplicationcode.For

-

systemswithFEC，character"F"maybeaddedtotheendoftheapplicationcode.

·7·

Table3.3.3ThemeaningandvalueofeachcharacterintheapplicationcodesofCWDMsystem

CharacterMeaningValueanddefinitions

Themaximumnumberofchannelssupported

n

byaCWDMsystem

LossinthespanssupportedbyaCWDMS：Shorthaul；

W

systemL：Longhaul

Themaximumnumberofspanssupported

x

byaCWDMsystem

0：1.25G；

ThechanneltypesupportedbyaCWDM

y1：2.5G；

system

2：10G

A：Onlyoneopticalboosteramplifierandoneopticalpreamplifierareused;

-

B：Onlyoneopticalboosteramplifierisused;

tOAconfigurationofaCWDMsystem

C：Onlyoneopticalpreamplifierisused;

-

D：NoOAisused

2：ThetypeofopticalfiberisG.652；

Thetypeofopticalfibersupportedbya

z3：ThetypeofopticalfiberisG.653；

CWDMsystem

5：ThetypeofopticalfiberisG.655

TheapplicationcodesofaCWDMsystemshallbeinaccordancewiththosespecifiedinTable

3.3.4

3.3.4.

Table3.3.4ApplicationcodesofCWDMsystems

SystemcapacityApplicationcodeRangeofapplicationTarget专用distance（km）Fibertype

4S10D2ShorthaulS42G.652

-（）

4×1.25G

4L10D2LonghaulL70G.652

-（）

4S11D2ShorthaulS36G.652

-（）

4×2.5G

4L11D2LonghaulL64G.652

-（）

4S12D2FShorthaulS30G.652

-（）

4×10G4L12D2LonghaulL46G.652

-（）

4L12D2FLonghaulL55G.652

-（）

8S10D2ShorthaulS36G.652

-（）

8×1.25G

8L10D2LonghaulL64G.652

-（）

8S11D2ShorthaulS30G.652

-（）

8×2.5G

8L11D2LonghaulL58G.652

-（）

8S12D2FShorthaulS24G.652

-（）

8×10G8L12D2LonghaulL40G.652

-（）

8L12D2FLonghaulL49G.652

-（）

Note："Targetdistance"isusedforsystemcategorization;insystemdesign，itshallbecalculatedinaccordancewithArticle4.2.2ofthis

code.人人文库

TheapplicationcodeofWDMsystemshallbedeterminedaccordingtosuchfactorsasstation

3.3.5

configuration，fiberparameters，systemcapacity，etc.

3.4CentralWavelengthAllocation

ThenominalcentralwavelengthsandcentralfrequenciesofthechannelsofCband32channel

3.4.1--

and40channelDWDMsystemsshallbeinaccordancewiththosespecifiedinTable3.4.11.The

--

nominalcentralwavelengthsandcentralfrequenciesofthechannelsofCband80channelDWDM

--

systemsshallbeinaccordancewiththosespecifiedinTable3.4.12.

-

·8·

Table3.4.1-1CentralwavelengthallocationplanforC-band40-channelDWDMsystems

NominalcentralfrequencyNominalcentralfrequency

CbandNominalcentralCbandNominalcentral

-（THz）ataspacingof-（THz）ataspacingof

serialNo.wavelength（nm）serialNo.wavelength（nm）

100GHz100GHz

1*196.201527.9925193.601548.51

2*196.101528.7726193.501549.32

1196.001529.5527193.401550.12

2195.901530.3328193.301550.92

3195.801531.1229193.201551.72

4195.701531.9030193.101552.52

5195.601532.6831193.001553.33

6195.501533.4732192.901554.13

7195.401534.2533192.801554.94

8195.301535.0434192.701555.75

9195.201535.8235192.601556.55

10195.101536.6136192.501557.36

11195.001537.4037192.401558.17

12194.901538.1938192.301558.98

13194.801538.9839192.201559.79

14194.701539.7740192.101560.61

15194.601540.563*192.001561.42

16194.501541.354*191.901562.23

*专用

17194.401542.145191.801563.05

18194.301542.946*191.701563.86

19194.201543.737*191.601564.68

20194.101544.538*191.501565.50

21194.001545.329*191.401566.31

22193.901546.1210*191.301567.13

23193.801546.9211*191.201567.95

24193.701547.7212*191.101568.77

Notes：1DWDMsystemswith32channelsinonebandshoulduseNo.9No.40centralwavelengths;DWDMsystemswith32

---

channelsintwoseparatebandsshoulduseNo.1No.16andNo.25No.40centralwavelengths.

--

2Itemsmarkedwith"*"arescalablewavelengths，whichmaybeusedforDWDMsystemswith4152channels.

-

Table3.4.1-2CentralwavelengthallocationplanforC-band80-channelDWDMsystems

NominalcentralfrequencyNominalcentralfrequency

CbandNominalcentralCbandNominalcentral

-（THz）ataspacingof-（THz）ataspacingof

serialNo.wavelength（nm）serialNo.wavelength（nm）

50GHz50GHz

1*196.251527.609195.651532.29

2*196.201527.9910195.601532.68

3*人人文库196.151528.3811195.551533.07

4*196.101528.7712195.501533.47

1196.051529.1613195.451533.86

2196.001529.5514195.401534.25

3195.951529.9415195.351534.64

4195.901530.3316195.301535.04

5195.851530.7217195.251535.43

6195.801531.1218195.201535.82

7195.751531.5119195.151536.22

8195.701531.9020195.101536.61

·9·

Table3.4.1-2（continued）

NominalcentralfrequencyNominalcentralfrequency

CbandNominalcentralCbandNominalcentral

-（THz）ataspacingof-（THz）ataspacingof

serialNo.wavelength（nm）serialNo.wavelength（nm）

50GHz50GHz

21195.051537.0061193.051552.93

22