Dell PowerEdge R415 White Paper
Contents
1. cccccssccccsssccccesecccaensccseuscccseuecesaeueeesauuseeseuseesseecessueeeeseaeeesseseesaes 3 1 5 Left Side Mounting Instructions eeeeesssseeeeeeeeeene nennen nennen nennen nnns snn rne sess annees aaa n ness s aane a aane 4 1 6 Right Side Mounting InstructiOTs eese ne e AA ERR HERO EIU bre eI a en Ie nE IRA ERR UU E OR FE VEA EA NO DU e Pa UR Rte a RR RUE VERE VOTERS 6 Section 2 Cabling a Dell PowerEdge R415 System Without a CMA cccccsseccccessceccesccceeesccseuseecsenseesaaseeesauees 7 Zl ROINE NE Ca SS aps accecece acts eo ys geeac E E E E E R 7 2 2 Removing the CMA Brackets for Shallow RackS ssscccccssssecccccesseceeeceesecccseeeeceeeeaueceesseeeecessaeaeceessagaeses 7 Section 3 Replacing a Power Supply on a PowerEdge R415 System With a CMA eee 8 Section 4 Cabling a PowerEdge R415 System Installed in Static Rails ccccceccccsssccceesecceeesececeeececseeceteuseeeeaness 9 Table of Figures Figure 1 System with Cables Installed Tc 2 Figure 2 Attaching the Inner CMA Attachment BraCket ssssssssssssssseerrrrssrssssssssesererrerrssssssssssssreerrreereessssssssene 3 Figure 5 Routing Power Cables Through the Strain Reliefs esses eene eene 3 Figure 4 Routing the Cables Through the CMA 2 scsincsxacasatsontSanctineaapsadendananeiasiniancahconedeshaaahOuadansionnbonasounhsaadtacdaaaden 4 Figure 5 Attaching the KVM Dongle to the CMA Basket s2. R415 Systems Figure 6 Left Side Mounted CMA Installation Preferred 1 6 Right Side Mounting Instructions Install the CMA on the rear right 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 section 1 5 See Figure 7 for an example of a completed right side mounted CMA installation Figure 7 Right Side Mounted CMA Installation Page 6 Cable Routing Procedures for Dell PowerEdge R415 Systems Section 2 Cabling a Dell PowerEdge R415 System Without a CMA NOTE The CMA on Dell PowerEdge R415 systems is optional Without the CMA installed the system must be powered down and all cables disconnected before it can be removed from the rack 2 1 Routing the Cables 1 Connect all applicable cables to the rear of the system and verify 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 or right CMA attachment brackets as described in the Rack nstallation Instructions See Figure 8 for an example of data cables secured to the left CMA bracket and power cables secured to the right CMA bracket 5 tis recommended that the cables be secured to the outer brackets but cables may be secured to the inner brackets as well if desired Figure 8 Cable Routing Without a CMA 2 2 Removing the CMA Brackets for Shallow Racks If you a
3. Cable Routing Procedures for Dell PowerEdge R415 Systems A Dell Technical White Paper By Greg Henderson Chris Kitten and Jose L Flores Dell Datacenter Infrastructure Engineering March 2011 Cable Routing Procedures for Dell PowerEdge R415 Systems 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 O 2011 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 Page ii Cable Routing Procedures for Dell PowerEdge R415 Systems Contents Modu ao q PERRO o Eee 2 Section 1 Cabling a Dell PowerEdge R415 With a Cable Management Arm CMA 0cccccccssseeceeeeeseeseeeeeeeees 2 1 1 Connecting the CMA Cables to the SySt M cccceccccsssscccesseccseeececssuececeaueeeseeueceseuecesseueeeseaeseessaecesseeseesaes 2 1 2 Installing the Inner CMA Attachment Bracket cccccccccsssecccceesseccecaeesecccsaeeseccesaeaseeeesaueecessuaaseeesaganses 3 1 3 Routing the Power Cables Through the Strain Reliefs cccccccssssecceccessecceceeseececeeseeeceesseesecessseaseeessagasses 3 1 4 Routing the Cables Through the CMA
4. NOTE Do not store excess cable Slack inside the CMA The cable may protrude through the CMA thus causing binding and potentially damaging the cable Cables entering the CMA should have a small amount of slack to avoid cable strain when the CMA is extended 5 If the cable bundle includes a keyboard video and mouse KVM dongle place the dongle inside the CMA basket for light to medium cable loads If the KVM dongle does not fit inside the basket with the other cables attach the dongle to the exterior of the front basket as shown in Figure 5 Page 4 Cable Routing Procedures for Dell PowerEdge R415 Systems Figure 5 Attaching the KVM Dongle to the CMA Basket Use the hook and loop straps on the CMA basket to secure the KVM dongle 4 Once you have routed all the cables through the CMA dress the cable slack between the back of the system and the entrance of the CMA using the tie wraps shown in yellow in all illustrations provided in the CMA kit 5 Clip off the excess length of material from the tie wraps Make sure that the heads of the tie wraps are positioned so as to avoid interference with adjacent systems Return the CMA to the closed retracted position 6 Extend the system out of the rack to verify that there is sufficient slack in the cables on both ends of the CMA See Figure 6 for an example of a completed left side mounted CMA installation Page 5 Cable Routing Procedures for Dell PowerEdge
5. et based on which side you wish to mount the CMA Use the bracket marked A for mounting the CMA on the left side and the bracket marked B for mounting on the right side See Figure 2 Figure 2 Attaching the Inner CMA Attachment Bracket 1 3 Routing the Power Cables Through the Strain Reliefs After you have installed the tray and cables route the power cables through the strain reliefs located on the power supply handles as shown in Figure 3 Figure 3 Routing Power Cables Through the Strain Reliefs 1 4 Routing the Cables Through the CMA The CMA can be installed on either the rear right or rear left side of the rails Mounting the CMA on the side that is opposite of the power supplies left side mount is recommended otherwise the CMA must be partially disconnected in order to remove the power supplies Refer to Section 5 for details on power supply replacement Page 3 Cable Routing Procedures for Dell PowerEdge R415 Systems NOTE For guidelines on how to route cables within the rack refer to the Dell Best Practices Guide for Rack Enclosures white paper 1 5 Left Side Mounting Instructions 1 Install the CMA on the rear left side of the rails by attaching both CMA housings to the attachment brackets on the rails 2 Route the cables through the CMA while avoiding twisting the cables Use the hook and loop Straps on the CMA to secure the cables See Figure 4 Figure 4 Routing the Cables Through the CMA
6. he strain relief replace the CMA support tray and return the CMA to the closed retracted position dm Page 8 Cable Routing Procedures for Dell PowerEdge R415 Systems Figure 10 Disconnecting the Inner CMA Attachment Bracket Disconnected inner CMA bracket Section 4 Cabling a PowerEdge R415 System Installed in Static Rails NOTE The CMA is compatible with the sliding rails only not the static rails 1 Follow the instructions contained in the Rack nstallation Instructions found in the static rail kit to install the server into a two post or four post rack 2 Install the hook and loop straps provided in the rail kit through the slots in the rear brackets of the rails as described in the Rack nstallation Instructions 5 Connect all applicable cables to the rear of the system and verify that all connections are secure Page 9 Cable Routing Procedures for Dell PowerEdge R415 Systems 4 Using the hook and loop straps bundle the cables and secure them to either the left rail or right rail as described in the Rack Installation Instructions See Figure 12 for an example of data cables that are secured to the left rail and power cables that are secured to the right rail as viewed from the rear of the system Figure 12 Cabling a System Installed in Static Rails Page 10
7. ing down or disconnecting the cables If you are 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 Best Practices Guide for Rack Enclosure white paper Section 1 Cabling a Dell PowerEdge R415 With a Cable Management Arm CMA This section details how to cable a PowerEdge R415 system using a CMA If you are cabling the system without the optional CMA refer to Section 2 Follow the instructions contained in the Rack nstallation Guide in the rail kit to install the server into the rack Once installed use these instructions to install the cables All illustrations in the following sections were created using a PowerEdge R415 system NOTE PowerEdge R415 systems are compatible with the PowerEdge R310 amp R410 rails and CMAs 1 1 Connecting the CMA Cables to the System Attach the CMA tray to the back of the rails as described in the CMA nstallation nstructions provided in the CMA kit Connect 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 Page 2 Cable Routing Procedures for Dell PowerEdge R415 Systems 1 2 Installing the Inner CMA Attachment Bracket As described in the Rack nstallation Instructions locate and attach the appropriate inner CMA attachment brack
8. re installing the system into a shallow rack less than 1 meter deep and you will not be installing a CMA the outer CMA brackets may be removed if necessary in order to allow the rails to fit properly into the rack Remove the brackets by using a 2 Phillips screwdriver to remove the screws used to attach them to the rails as shown in Figure 9 Page Cable Routing Procedures for Dell PowerEdge R415 Systems Figure 9 Removing the CMA Brackets for Shallow Racks Section 3 Replacing a Power Supply on a PowerEdge R415 System With a CMA 1 Remove the tray from underneath the CMA as described in the CMA nstallation Instructions provided with the CMA kit 2 Swing the CMA into the service position Disengage the strain relief and disconnect the power cord from the power supply 4 If the CMA is attached to the left side both power supplies can be removed without disconnecting the CMA 5 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 6 If the CMA is attached to the right side and the outer power supply needs to be replaced a Disconnect the inner CMA bracket from the rail as shown in Figure 10 b While supporting the CMA with one hand remove and replace the power supply with the other hand as shown in Figure 11 C Reinstall the inner CMA bracket to reconnect the CMA 7 After the power supply has been replaced plug in the power cord re engage t
9. sssssssssssssseerrssssssssssssserereeressssssssssssererrrrereeessssssssee 5 Figure 6 Left Side Mounted CMA Installation Preferred ccccssssscccssssssseesesssesseesesssnseessessesseessssseseensessenes 6 Figure 7 Right Side Mounted CMA Installation cccssccseesssccecccccccesssssssssnsscesssccaccceessseassessssaanenesscccceceeseeenss 6 Figure 8 Cable Routing Without a CMA P r 7 Figure 9 Removing the CMA Brackets for Shallow RaCKS sssssssssssseessrsssssssssssssererrerrssssssssssssreeerreeneeessssssssee 8 Figure 10 Disconnecting the Inner CMA Attachment Bracket sse eene 9 Figure 11 Replacing the Outer Power Supply ssssssssssssseseerrsssssssssssssrererereresssssssssseeerrrrereessssssssssesrerreeereeesssssssnet 9 Figure 12 Cabling a System Installed in Static Rails esessssssssssssssseseeerrsssssssssssssrerrereressssssssssssrerrrereeessssssssses 10 Page 1 Cable Routing Procedures for Dell PowerEdge R415 Systems Introduction This white paper covers recommended cable routing procedures for the Dell PowerEdge R415 system in the following racks e PowerEdge 2410 e PowerEdge 4210 e PowerEdge 2420 e PowerEdge 4220 including wide and deep versions e PowerEdge 4820 including wide and deep versions If you are using the optional CMA following these procedures will allow you to extend the system from the rack for service without power
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