Dell R910 White Paper
Contents
1. was removed and return the CMA to the closed retracted position UAN 53 2 Replacing a Power Supply with a Right Side Mounted CMA 1 Ifthe bottom power supply must be replaced then remove the tray from underneath the CMA as described in the CMA Installation Instructions provided with the CMA kit If any of the top three power supplies must be replaced this step can be skipped 2 Swing the CMA to its service position 5 Disconnect the power cord from the power supply and disengage the strain relief 4 Disconnect both CMA attachment housings from the rail as shown in Figure 8 5 While supporting the CMA with one hand remove and replace the power supply with the other hand as shown in Figure 8 6 Reconnect the CMA attachment housings to the rail 7 Plug in the power cord re engage the strain relief replace the CMA support tray if it was removed and return the CMA to the closed retracted position Figure 8 Replacing the Power Supply CMA attachment housings have been disconnected Page 72. Cable Routing Procedures for Dell PowerEdge R910 Systems A Dell Technical White Paper Dell Datacenter Infrastructure Engineering By Chris Kitten and Jose L Flores March 2010 Cable Routing Procedures for Dell PowerEdge R910 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 2010 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 R910 Systems Contents POOU CION eee bales ates E EAE hee ance E Hee bate ee nee Reet Rite beter E EE tee Race E EEE TE 2 Section 1 Cabling a Dell PowerEdge R910 With a Cable Management Arm CMA aenn 2 1 1 Connecting the CMA Cables to the System oc cccccccccenstsstseeeeeeeeeeceeeeeeeeeeesssssaaaeeeeeeeeeeeeeeeeees 2 1 2 Routing the Power Cables Through the Strain Relief s cccccccccccccceesesesssssssessscetssceereeeeeseessseeees 5 1 5 Routing the Cables Through the CMA cccccccccccceesecssssesssscsnceeesseseeeeeseesseeesseesecnsneeeeeceeeeeeeeseseeess 5 14 Le ft Side Mounting NStrUCEOMS ssi ircesacnstit vetinnevea
3. cables All illustrations in the following sections were created using a PowerEdge R910 system NOTE PowerEdge R910 systems are not compatible with previous generation 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 HIE B LLLLITTITTITE 9 Page 2 Cable Routing Procedures for Dell PowerEdge R910 Systems 1 2 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 2 Figure 2 Routing Power Cables Through the Strain Reliefs See eee eee eee eee eeeee f cee eae ae eee ee a iT ia lee e8 f88 cNee AALLLETTTTT IN a IE 1 3 Routing the Cables Through the CMA You can install the CMA 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 disconnected to some extent in order to remove the power supplies Refer to Section 3 for details on power supply replace
4. ed to the outer brackets but cables may be secured to the inner brackets as well if desired Figure 6 Cable Routing Without a CMA 2 2 Removing the CMA Brackets for Shallow Racks If you are 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 7 Figure 7 Removing the CMA Brackets for Shallow Racks Page 6 Cable Routing Procedures for Dell PowerEdge R910 Systems Section 3 Replacing a Power Supply on a PowerEdge R910 System With a CMA NOTE The steps described below apply to the bottom two power supplies only The top two power supplies can be replaced with the CMA in its closed retracted position 3 1 Replacing a Power Supply with a Left Side Mounted CMA 1 If the bottom power supply must be replaced then remove the tray from underneath the CMA as described in the CMA nstallation nstructions provided with the CMA kit If any of the top three power supplies must be replaced this step can be skipped Swing the CMA to its service position Disconnect the power cord from the power supply and disengage the strain relief Replace the power supply Plug in the power cord re engage the strain relief replace the CMA support tray if it
5. eesseseess 5 Figure 6 Cable Routing Withouta CMA ssispesispest perrera aer EE E EEEE 6 Figure 7 Removing the CMA Brackets for Shallow RaCkKS ssssssssnniinisssssssssssrrrrrrrrrrrnnssssserrrrrrrrrrrrrrnssererrren 6 Figure 8 Raplacing the POWwWer SUDDIY iricteunscctemssactenantaianaencetcerdacasimamadrs des bade A E EEE 7 Page 1 Cable Routing Procedures for Dell PowerEdge R910 Systems Introduction This white paper covers recommended cable routing procedures for Dell PowerEdge R910 systems in the following racks e PowerEdge 4210 e PowerEdge 2410 e PowerEdge 4220 e PowerEdge 2420 If you are 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 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 R910 With a Cable Management Arm CMA This section details how to cable a PowerEdge R910 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
6. ment NOTE For guidelines on how to route cables within the rack refer to the Dell Best Practices Guide for Rack Enclosures white paper 1 4 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 3 5 For left side mounting if the cable bundle includes a keyboard video and mouse KVM dongle place the dongle inside the CMA basket 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 4 for an example of a completed left side mounted CMA installation Page 53 Cable Routing Procedures for Dell PowerEdge R910 Systems Figure 3 Routing the Cables Through the CMA NOTE Do not store excess cable PTrTTircriiiitit titi tries tt tat ECAD Dram slack i
7. nside the CMA The cable may iy 7 as JE E rt protrude through the CMA thus 7 i T m H po causing binding and potentially 4H E Pe pane Be OR ging the cable i Cables entering the CMA should have a small amount of slack to avoid cable strain when the CMA is extended KVM dongle placed inside the basket for Left Side Mounting Figure 4 Left Side Mounted CMA Installation E E et tT tet o Soren Saian aE a i i ra Page 4 Cable Routing Procedures for Dell PowerEdge R910 Systems 1 5 Right Side Mounting Instructions I Install the CMA on the rear right side of the rails by attaching both CMA housings to the attachment brackets on the rails Route the cables through the CMA while avoiding twisting the cables Use the hook and loop straps on the CMA to secure the cables If the cable bundle includes a keyboard video and mouse KVM dongle the cable may be too short for the dongle to be placed in the CMA basket Route the remainder of the cable beyond the dongle through the CMA DO NOT secure the dongle to the outside of the CMA as this may restrict the ability of the CMA to support full extension of the rails without causing damage to the dongle See Figure 5 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 Clip off the exces
8. s 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 Extend the system out of the rack to verify that there is sufficient slack in the cables on both ends of the CMA Figure 5 Right Side Mounted CMA Installation KVM dongle placed outside the basket for Right Side Mounting ELT CE a ees A e acnan nnum EA EN om ie TA 4 f za eet ome IT F saj Eas R _ EE wa un oe i 1 ims ne i EIH E ms T ra s kel all 1 Eei Page 5 Cable Routing Procedures for Dell PowerEdge R910 Systems Section 2 Cabling a Dell PowerEdge R910 System Without a CMA NOTE The CMA on Dell PowerEdge R910 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 6 for an example of data cables secured to the left CMA bracket and power cables secured to the right CMA bracket 3 Itis recommended that the cables be secur
9. sostunnicuisenaecastod enian r ENDO EE EREE E ENTEK EEEE 5 t5 Right Sid e Mounting ANC CUOING ncdanatsieaconcctanascenteqornmetaonsiie aaemmcdans cuslagen ted asntuie egrnotoans rasini 5 Section 2 Cabling a Dell PowerEdge R910 System Without a CMA cccccecccctssseeeeeeeeeeeeeeeeeees 6 eek ROGNI CI AVC S aa E E E EEEE EE EE 6 2 2 Removing the CMA Brackets for Shallow RACKS sssssssnnnnniissssssssssernriririrrrnrsssesrrrrrrrrrrrrrrrensrsrrrren 6 Section 5 Replacing a Power Supply on a PowerEdge R910 System With a CMA 7 5 1 Replacing a Power Supply with a Left Side Mounted CMA ssssssssssssennnnirrrrrsssssssserrerrrrrrrrrnrnsen 7 5 2 Replacing a Power Supply with a Right Side Mounted CMA ssssssssssssnnnnirrrrrnssssssssrrrrrrrrrrrrennssn 7 Table of Figures Figure 1 System with Cables TASTING Docc ccdce cca coksatenr cute sats ehesrostantnegardie ititi eree TEENE EENE TEE T EENES 2 Figure 2 Routing Power Cables Through the Strain Reliefs ccccecsscsccsscsceeeeeeessessssseessnessceeseneeeeseseeeess 5 Figure 5 Routing the Cables Through the CMA a srostnsssoncsunesteccatn riclaaneseioaunon nena shaman nnelonpnitamengeimeneabasneneatniylens 4 Figure 4 Left Side Mounted CMA Installation ccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseseseeeeesesesesesy 4 Figure 5 Right Side Mounted CMA Installation c cc cscccceeeeeesessseseseceensescesseeeeeeesseesessesneneseseesensee
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