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Chapter 6. MSPP Network Design Example: Cisco ONS 15454

Chapter 6. MSPP Network Design Example: Cisco ONS 15454

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Shelfassembly

Commoncontrolcards

Electricalinterfacecards

Opticalinterfacecards

Ethernetinterfacecards

Storagenetworkingcards

Inaddition,anexamplenetworkdemandspecificationisused

throughoutthischaptertodemonstrateMultiservice

ProvisioningPlatform(MSPP)networkdesignusingtheONS

15454.







ONS15454ShelfAssembly

TheONS15454ShelfAssemblyisa17-slotchassiswithan

integratedfantray,rearelectricalterminations,andfront

optical,Ethernet,andmanagementconnections.Slots16and

1217areusedfortrafficinterfacecards;Slots711arereserved

forcommoncontrolcards.Slots16,ontheleftsideasyouface

thefrontoftheshelf,areconsideredSideA;Slots1217are

consideredSideB.Thisdistinctionisimportantforplanning

backplaneinterfacetypes(forelectricalcardterminations),as

wellasprotectiongroupplanning.Theseissuesarecovered

laterinthischapter.Thebandwidthcapacityofeachofthe12

trafficslotsvariesfrom622Mbpsto10Gbps,dependingupon

thetypeofcross-connectcardused.Seethesectiontitled

"Cross-ConnectCards"laterinthischapterforadiscussionof

thevarioustypesavailable.Table6-1summarizesthecardslot

functionsandbandwidthcapacitiesfortheONS15454shelf

assembly.

Table6-1.ONS15454ShelfAssemblySlot

FunctionsandBandwidthCapacities



Slot

Shelf

Number Side



SlotUse



Slot

Bandwidth

(XCVT

System)



Slot

Bandwidth

(XC10Gor

XC-VXC-10G

System)



1



A



Multispeedhigh- 622Mbps/STS- 2.5

densityslot

12

Gbps/STS-48



2



A



Multispeedhigh- 622Mbps/STS- 2.5

densityslot

12

Gbps/STS-48



3



A



Multispeedhigh- 622Mbps/STS- 2.5

densityslot;N- 12

Gbps/STS-48

protectionslot

for1:N

protection

groups



4



A



Multispeedslot



5



A



High-speedslot 2.5Gbps/STS- 10Gbps/STS48

192



6



A



High-speedslot 2.5Gbps/STS- 10Gbps/STS48

192



7



TCCSlot



8



XCSlot



9



AICSlot



10



XCSlot



11



TCCSlot



622Mbps/STS- 2.5

12

Gbps/STS-48



12



B



High-speedslot 2.5Gbps/STS- 10Gbps/STS48

192



13



B



High-speedslot 2.5Gbps/STS- 10Gbps/STS48

192



14



B



Multispeedslot



15



B



Multispeedhigh- 622Mbps/STS- 2.5

densityslot;N- 12

Gbps/STS-48

protectionslot

for1:N

protection

groups



16



B



Multispeedhigh- 622Mbps/STS- 2.5

densityslot

12

Gbps/STS-48



17



B



Multispeedhigh- 622Mbps/STS- 2.5

densityslot

12

Gbps/STS-48



622Mbps/STS- 2.5

12

Gbps/STS-48



ONS15454ShelfAssemblyBackplane

Interfaces

BackplaneinterfacesoftheONS15454chassiscanbedivided

intofourgeneralareas:

Powerterminalarea

Alarmandchassisgroundarea

SideAElectricalInterfaceAssembly

SideBElectricalInterfaceAssembly

Figure6-1showsadiagramthatidentifiesthelocationofeach

oftheseareasasyoufacetherearoftheshelfassembly.

ElectricalInterfaceAssemblies(EIAs)arerequiredfor

terminatingelectricaltrafficsignals,suchasDS1sandDS3s,on

theshelf.EIAsarecoveredinthenextsection.



Figure6-1.ONS15454BackplaneInterfaces



[Viewfullsizeimage]



Thepowerterminalareaconsistsoffourpowerterminalscrews

onthelower-leftside.TheRET1/BAT1terminalsarefortheA

powerconnection;theRET2/BAT2terminalsarefortheB

connection.Theseconnectionsareredundant;eithercanpower

theentireshelf.TheAandBdesignationsdonotrefertotheA

andBsidesoftheshelf.

Thealarmandchassisgroundareaislocatedintherearofthe

chassisonthelowerrightside.Ithasthefollowing

terminations:

FramegroundterminalsTwoterminalswithkepnutsare

providedforground-wirelugconnection.Thisconnection

ensuresthattheshelfassemblyisatthesameelectrical

potentialwiththeofficeground.

BITS(BuildingIntegratedTimingSupply)Thisconsistsof

fourwire-wrappinpairsforconnectiontoaBITSorfor

wiringouttoexternalequipmentwhentheBITS-Out



featureisusedtosupplytimingfromtheONS15454.

LAN(Local-areanetwork)ALANconnectstheMSPPnode

toamanagementworkstationornetwork.Itconsistsoffour

wire-wrappinpairs;typically,twopairsareused.

EnvironmentalalarmsSixteenwire-wrappinpairsare

providedforexternalalarmsandcontrols.TheAlarm

InterfaceControllercard,coveredlaterinthischapter,is

requiredtousetheseconnections.

ACOAlarmcutoff,awire-wrappinpairthatisusedto

deactivatetheaudiblealarmscausedbythecontact

closuresontheshelfbackplane.Thisoperationisdescribed

inthe"Timing,Communications,andControlCards"

section,laterinthischapter.

ModemFourpairsofwire-wrappinsareprovidedfor

connectingtheONS15454toamodemforremote

management.

CraftTwowire-wrappinpairsareprovidedforaTL1craftmanagementconnection.VT100emulationsoftwareisused

tocommunicatewiththesystembywayofthisconnection.

LocalalarmsEightwire-wrappinpairsareusedfor

Critical,Major,Minor,andRemoteaudibleandvisualalarms.







EIAs

EIAsarebackplaneconnectorpanelsthatmustbeequippedon

theONS15454chassisifyouwillprovideDS1,DS3,orEC-1

servicesfromthenode.EIAsaremadetofitoneitherSideAor

SideBoftheuppersectionofthebackplane.BecauseSideA

consistsoftheslotsthatareontheleftasyoufacethefrontof

theshelfassembly,theSideAEIAisinstalledontherightside

asyoufacetherear.Likewise,theSideBEIAisinstalledonthe

leftsidefacingtherearoftheshelfassembly.

VariousEIAsareavailablefromCisco,andeachsideoftheshelf

canbeindependentlyequippedwithanytype.Ifnoelectrical

terminationsarerequiredforashelfside,itcanbeequipped

withablankbackplanecover.Ifthereisinitiallynorequirement

forelectricalconnections,andtherequirementappearslater,

theblankbackplanecovercanberemovedandreplacedwithan

EIAwhiletheshelfispoweredandinservice.YouselectanEIA

basedonthetypeandquantityordensityofconnections

required.TheseEIAtypesareavailable:

BNC(BayonetNeill-Concelman)EIAUsedforDS3(clear

channel),DS3Transmux(channelizedDS3),andEC-1

services.ThisEIAtypehasbeenmadeobsoletebynewer

versions,andCisconolongersellsit.

High-Density(HD)BNCEIAOffersthesameservicesas

theBNCEIA,withtwicethenumberofavailable

connections.

HDmini-BNCEIAOffersthesameservicesastheBNC

andHDBNCEIAs,withtwiceasmanyconnectionsasthe

HDBNCEIAandfourtimesasmanyastheBNCEIA.Either

theHDmini-BNCEIAoroneoftheUniversalBackplane



InterfaceConnector(UBIC)-typeEIAsarerequiredfor

cablingtheHDDS3/EC1cards.

AMPChampEIAUsedforDS1servicesonly.

SMB(Sub-MiniatureB)EIACanbeusedforanytypeof

electricaltermination,includingDS1,DS3,DS3Transmux,

andEC-1.

UBIC-VandUBIC-HEIAsCanbeusedforanytypeand

anydensityelectricalinterfacecardtermination.Theseare

themostflexibleEIAtype.Thedifferencebetweenthetwo

isintheorientationofthecableconnectors,eithervertical

(UBIC-V)orhorizontal(UBIC-H).EithertheUBIC-Vorthe

UBIC-Hisrequiredforcablingthehigh-densityDS1cards.

Table6-2providesasummaryoftheavailableEIAs,withtheir

associatedconnectortypes,supportedworkingshelfslots,and

supportedelectricalinterfacecards.

Table6-2.ONS15454ElectricalInterfaceAssemblies

EIAType



Cards

A-SideConnectors

Supported



A-Side

B-SideConnectors

Slots



B-Side

Slots



BNC



DS3-12E



Slot2



Slot14



24pairsofBNC

connectors



DS3N-12E



24pairsofBNC

connectors



Slot4

(2slots;12pairs/slot)



Slot16

(2slots;12pairs/slot)



DS3XM-6

DS3XM-12

EC1-12

HighDensity

BNC



DS3-12E



48pairsofBNC

connectors



DS3N-12E



Slot1



48pairsofBNC

connectors



Slot2

(4slots;12pairs/slot)



Slot13

Slot14



(4slots;12pairs/slot)



DS3XM-6



Slot4



Slot16



DS3XM-12



Slot5



Slot17



EC1-12



HighDS3-12E

96pairsofmini-BNC

Density

connectors

mini-BNC DS3N-12E



Slot1



96pairsofmini-BNC

connectors



Slot12



Slot2



Slot13



DS3XM-6



Slot4



Slot14



DS3XM-12



Slot5



Slot16



DS3/EC148



Slot6



Slot17



DS1-14



6AMPChampconnectors Slot1



6AMPChampconnectors Slot12



DS1N-14



(1connectorperslot)



(1connectorperslot)



EC1-12

AMP

Champ



SMB



DS1-14



84pairsofSMB

connectors



DS1N-14



Slot2



Slot13



Slot3



Slot14



Slot4



Slot15



Slot5



Slot16



Slot6



Slot17



Slot1



84pairsofSMB

connectors



Slot2

(6slots;14pairs/slot)



Slot12

Slot13



(6slots;14pairs/slot)



DS3-12E



Slot3



Slot14



DS3N-12E



Slot4



Slot15



DS3XM-6



Slot5



Slot16



DS3XM-12



Slot6



Slot17



EC1-12

UBIC-V



DS1-14

DS1N-14



8pairsofSCSI

connectorsvertical

orientation



Slot1

Slot2



8pairsofSCSI

connectorsvertical

orientation



Slot12

Slot13



DS1-56



Slot3



Slot14



DS3-12E



Slot4



Slot15



DS3N-12E



Slot5



Slot16



DS3XM-6



Slot6



Slot17



DS3XM-12

DS3/EC148



48

EC1-12

UBIC-H



DS1-14



8pairsof

Slot1

SCSIconnectorshorizontal

Slot2

orientation



8pairsof

Slot12

SCSIconnectorshorizontal

Slot13

orientation



DS1-56



Slot3



Slot14



DS3-12E



Slot4



Slot15



DS3N-12E



Slot5



Slot16



DS3XM-6



Slot6



Slot17



DS1N-14



DS3XM-12

DS3/EC148

EC1-12



Figure6-2showstwoexamplesofEIAs,theHDBNCandthe

AMPChamp.



Figure6-2.EIAExamples:HDBNCandAMP

Champ



[Viewfullsizeimage]







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