Dell PowerEdge 4220 Owner's manual

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Cabling the Dell™

PowerEdge™ R610

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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™R610

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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,theDELLbadge,andPowerEdge,aretrademarksofDellInc.

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CablingtheDell™PowerEdge™R610

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Table of Contents

Introduction...............................................................................................................................................................2

CablingaPowerEdgeR610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:AttachingtheKVMDongletotheCMABasket.........................................................................4

Figure5:CompletedLeftSideMountedCMAInstallation.......................................................................5

Figure6:CompletedRightSideMountedCMAInstallation....................................................................5

CablingaPowerEdgeR610withoutaCMA...............................................................................................................6

3.1RoutingtheCables....................................................................................................................................6

Figure7:CableRoutingWithoutaCMA..................................................................................................6

3.1RemovingtheCMABracketsforShallowRacks........................................................................................6

Figure8:RemovingtheCMABracketsforShallowRacks........................................................................6

ReplacingaPowerSupplyonaPowerEdgeR610withCMA.....................................................................................7

Figure9:ReplacingOuterPowerSupply..................................................................................................7

CablingaPowerEdgeR610InstalledinStaticRails...................................................................................................8

Figure10:CablingaSystemInstalledinStaticRails................................................................................8

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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™R610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Enclosure.”

CablingaPowerEdgeR610withCMA

ThissectiondetailshowtocableaPowerEdgeR610usingaCMA.Ifyouarecablingthesystemwithoutthe

optionalCMA,pleasereferto“CablingaPowerEdgeR610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R610.

NOTE:ThePowerEdgeR610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andverifythatallconnectionsaresecure.SeeFigure1.

Figure1:SystemwithCablesInstalled

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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R610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Enclosures”.

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.Usethehookand

loopstrapsontheCMAtosecurethe

cables.

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Figure3:RoutingtheCablesthroughtheCMA

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3. IfthecablebundleincludesaKVMdongle,placethedongleinsidetheCMAbasket.IftheKVMdonglewillnot

fitinsidethebasketwiththeothercables,attachthedongletotheexteriorofthefrontbasketusingthehook

andloopstraps

ontheCMAbasketasshowninFigure4.

Figure4:AttachingtheKVMDongletotheCMABasket

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KVM Dongle

hook and loop straps

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.

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4. 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.

5. 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.

6. ReturntheCMAtotheclosed(retracted)position.

7. Extendthesystemfromtheracktoverifythereissufficientslackinthecablesatboth

theentranceandexitof

theCMA.

8. SeeFigure5foranexampleofacompletedleftsidemountedCMAinstallation.

Figure5: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2‐7fromtherightsidemountinginstructionsintheprevioussection.SeeFigure6foran

exampleofacompletedright

sidemountedCMAinstallation.

Figure6:CompletedRightSideMountedCMAInstallation

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CablingaPowerEdgeR610withoutaCMA

NOTE:TheCMAontheDellPowerEdgeR610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.

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7foran

exampleofpowercablessecuredtotheleftCMAbracketanddatacablessecuredtotheright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7:CableRoutingWithoutaCMA

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3.1 RemovingtheCMABracketsforShallowRacks

Ifyouareinstallingthesystemintoashallowrack(lessthan1mdeep)andyouwillnotbeinstallingaCMA,the

outerCMAbracketsmayberemoved,enablingtherailstofitintotherack.RemovetheouterCMAbracketsby

removingbothscrewswitha#2Philipsscrewdriver

asshowninFigure8.

Figure8:RemovingtheCMABracketsforShallowRacks

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ReplacingaPowerSupplyonaPowerEdgeR610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leftside,bothpowersuppliescanberemovedwithoutdisconnecting

theCMA.

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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9.

Figure9:ReplacingOuterPowerSupply



5. Pluginthepowercord.

6. Re‐engagethestrainrelief.

7. ReturntheCMAtotheclosed(retracted)position.



Inner CMA attachment housing has

been disconnected

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CablingaPowerEdgeR610InstalledinStaticRails

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

1. FollowtheinstructionscontainedintheRackInstallationGuidefound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10.

Figure10:CablingaSystemInstalledinStaticRails



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Dell PowerEdge 4220 Owner's manual

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