Dell PowerEdge 2410 Manuale utente

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Cabling the Dell™

PowerEdge™ R710

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ADellTechnicalWhitePaper

By Chris M. Kitten and Jose L. Flores

Dell │Datacenter Infrastructure Engineering

March 2009

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CablingtheDell™PowerEdge™R710

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THISWHITEPAPERISFORINFORMATIONALPURPOSESONLY,ANDMAYCONTAINTYPOGRAPHICALERRORSAND

TECHNICALINACCURACIES.THECONTENTISPROVIDEDASIS,WITHOUTEXPRESSORIMPLIEDWARRANTIESOF

ANYKIND.

©2009DellInc.Allrightsreserved.Reproductionofthismaterialinanymannerwhatsoeverwithouttheexpress

writtenpermissionofDellInc.isstrictlyforbidden.Formoreinformation,contactDell.

Dell,theDELLlogo,andtheDELLbadge,PowerEdge,isatrademarkofDellInc.

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CablingtheDell™PowerEdge™R710

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Table of Contents

Introduction...............................................................................................................................................................2

CablingaPowerEdgeR710withCMA.......................................................................................................................2

2.1InstallingtheCablestotheSystem.................................................................................................................2

Figure1:SystemwithCablesInstalled..........................................................................................................2

2.2RoutethePowerCablesThroughtheStrainReliefs.......................................................................................3

Figure2:RoutingPowerCablesThroughtheStrainReliefs.........................................................................3

2.3RoutingtheCablesThroughtheCMA.............................................................................................................3

Figure3:RoutingtheCablesThroughtheCMA...........................................................................................4

Figure4:CompletedLeftSideMountedCMAInstallation............................................................................5

Figure5:CompletedRightSideMountedCMAInstallation..........................................................................5

CablingaPowerEdgeR710WithoutaCMA..............................................................................................................5

3.1RoutingtheCables..........................................................................................................................................5

Figure6:CableRoutingWithoutaCMA........................................................................................................6

ReplacingaPowerSupplyonaPowerEdgeR710withCMA.....................................................................................6

Figure7:ReplacingOuterPowerSupply.......................................................................................................7

CablingaPowerEdgeR710InstalledinStaticRails...................................................................................................7

Figure8:CablingaSystemInstalledinStaticRails........................................................................................7

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CablingtheDell™PowerEdge™R710

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Introduction

Thiswhitepaperdescribesrecommendedcableroutingprocedures,bothwithandwithouttheoptionalCable

ManagementArm(CMA)fortheDell™PowerEdge™R710inthefollowingracks:

•PowerEdge4210

•PowerEdge2410

•PowerEdge4220

•PowerEdge2420

IfusingtheoptionalCMA,followingtheseprocedureswillallowyoutoextendthesystemfromtherackforservice

withoutpoweringdownordisconnectingthecables.IfnotusingtheCMA,followingtheseprocedureswillensure

secureattachmentandstrainreliefofthecablesbehindthesystem.Forguidelinesonhowtoroutecableswithin

therack,refertotheDellWhitePaper“BestPracticesGuideforRackEnclosures.”

CablingaPowerEdgeR710withCMA

ThissectiondetailshowtocableaPowerEdgeR710usingaCMA.Ifyouarecablingthesystemwithoutthe

optionalCMA,pleasereferto“CablingaPowerEdgeR710WithoutaCMA”laterinthiswhitepaper.

FollowtheinstructionscontainedintheRackInstallationGuidefoundintherailkittoinstalltheserverintothe

rackandtoinstallthecables.AllillustrationsinthefollowingsectionswerecreatedusingaPowerEdgeR710.

NOTE:ThePowerEdgeR710isnotcompatiblewithprevious‐generationrailsandCMAs.

2.1InstallingtheCablestotheSystem

AttachtheCMAtraytothebackoftherailsasdescribedintheCMAInstallationInstructionsprovidedintheCMA

kit.Pluginallapplicablecablestotherearofthesystem.Verifythatallconnectionsaresecure.SeeFigure1.

Figure1:SystemwithCablesInstalled

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CablingtheDell™PowerEdge™R710

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2.2RoutethePowerCablesThroughtheStrainReliefs

Afterthetrayandcablesareinstalled,routethepowercablesthroughthestrainreliefslocatedonthepower

supplyhandlesasshowninFigure2.

Figure2:RoutingPowerCablesThroughtheStrainReliefs

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2.3RoutingtheCablesThroughtheCMA

NOTE:TheCMAcanbeinstalledoneithertherightorleftrearsideoftherails.MountingtheCMAontheside

oppositethepowersupplies(leftsidemount)isrecommended;otherwise,theCMAmustbedisconnectedinorder

toremovetheouterpowersupply.Referto“ReplacingaPowerSupplyonaPowerEdgeR710withCMA”laterin

thiswhitepaperfordetailsonpowersupplyreplacement.

NOTE:Forguidelinesonhowtoroutecableswithintherack,refertotheDellWhitePaper“BestPracticesGuide

forRackEnclosure”.

LeftSideMountingInstructions

1. InstalltheCMAontheleftrearsideoftherailsbyattachingbothCMAhousingstotheattachmentbracketson

therails.SeeFigure3.

2. RoutethecablesthroughtheCMAwhilekeepinganytwistingofthecablestoaminimum.Ifthecablebundle

includesaKVMdongle,placethedongleinsidetheCMAbasket.UsethehookandloopstrapsontheCMAto

securethecables.

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CablingtheDell™PowerEdge™R710

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Figure3:RoutingtheCablesThroughtheCMA

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3. OnceallthecablesareroutedthroughtheCMA,dressthecablesbetweenthebackofthesystemandthe

entranceoftheCMAwiththetiewrapsprovidedintheCMAkit.Thetiewrapsareshowninyellowinall

illustrations.

4. Clipofftheexcesslengthofmaterialfromthetiewrapsandmakesurethatthetiewrapsarepositionedto

avoidinterferencewithadjacentsystems.

5. ReturntheCMAtotheclosed(retracted)position.

6. Extendthesystemfromtheracktoverifythereissufficientslackinthecablesatboththeentranceandexitof

theCMA.

7. SeeFigure4foranexampleofacompletedleftsidemountedCMAinstallation.

Cables entering CMA should

have a small amount of slack

to avoid cable strain when

CMA is extended.

NOTE: Do not store excess

cable slack inside the CMA.

The cable may protrude

through the CMA causing

binding and potentially

damaging the cable.

CablingtheDell™PowerEdge™R710

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Figure4:CompletedLeftSideMountedCMAInstallation

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RightSideMountingInstructions

InstalltheCMAontherightrearsideoftherailsbyattachingbothCMAhousingstotheattachmentbracketson

therails.Followsteps2‐6fromtheleftsidemountinginstructionsintheprevioussection.SeeFigure5foran

exampleofacompletedrightsidemountedCMAinstallation.

Figure5:CompletedRightSideMountedCMAInstallation

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CablingaPowerEdgeR710withoutaCMA

NOTE:TheCMAontheDellPowerEdgeR710isoptional.WithouttheCMAinstalled,thesystemmustbepowered

downandallcablesdisconnectedbeforeitcanberemovedfromtherack.

3.1RoutingtheCables

1. Pluginallapplicablecablestotherearofthesystem,verifyingthatallconnectionsaresecure.

CablingtheDell™PowerEdge™R710

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2. Usingthehookandloopstrapssuppliedwiththerailkit,bundlethecablesandsecurethemtoeithertheleft

railorrightrailCMAattachmentbracketsasdescribedintheRackInstallationGuide.SeeFigure6foran

exampleofpowercablessecuredtotherightCMAbracketanddatacablessecuredtotheleftCMAbracket.

3. Itisrecommendedthatthecablesbesecuredtotheouterbrackets,butcablesmaybesecuredtotheinner

bracketsifdesired.

Figure6:CableRoutingWithoutaCMA

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ReplacingaPowerSupplyonaPowerEdgeR710withCMA

1. RemovethetrayfromundertheCMAasdescribedintheCMAInstallationInstructionsprovidedwiththeCMA

kit.

2. SwingtheCMAintotheserviceposition.

3. Disconnectthepowercordfromthepowersupplyanddisengagethestrainrelief.

4. Removeandreplacethepowersupply

a. IftheCMAisattachedtotherightsideandtheouterpowersupplyneedstobereplaced,theinner

CMAattachmenthousingwillneedtobedisconnected.WhilesupportingtheCMAwithonehand,

removeandreplacethepowersupplywiththeotherhandasshowninFigure7.

b. IftheCMAisattachedtotherightsideandtheinnerpowersupplyneedstobereplaced,theCMA

doesnotneedtobedisconnected.

c. IftheCMAisattachedtotheleftside,bothpowersuppliescanberemovedwithoutdisconnecting

theCMA.

5. Pluginthepowercord.

6. Re‐engagethestrainrelief.

7. ReplacetheCMAsupporttray.

8. ReturntheCMAtotheclosed(retracted)position.

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CablingtheDell™PowerEdge™R710

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Figure7:ReplacingOuterPowerSupply

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CablingaPowerEdgeR710InstalledinStaticRails

NOTE:TheCMAisonlycompatiblewithslidingrails,andnotwithstaticrails.

1. FollowtheinstructionsintheRackInstallationGuideincludedinthestaticrailkittoinstalltheserverintoa2‐

postor4‐postrack.

2. Verifythatthehookandloopsstrapsprovidedwiththestaticrailkitareinstalledtotherearoftherails.

3. Pluginallapplicablecablestotherearofthesystemandverifythatallconnectionsaresecure.

4. Usingthehookandloopstrapssuppliedwiththerailkit,bundlethecablesandsecurethemtoeithertheleft

railorrightrailasdescribedintheRackInstallationGuide.SeeFigure8.

Figure8:CablingaSystemInstalledinStaticRails



Inner CMA attachment

housing has been

disconnected

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