Sun Rack Service Manual
Contents
1. 2228 8889 Ba FIGURE 1 5 Power Strip To replace a power strip reverse the steps of the power strip removal procedure Chapter 1 Servicing the Sun Rack 7 Removing and Replacing a Cable Assembly Note Cable harnesses and AC input panels are not field replaceable units in the Sun Rack 900 36N Removing a Cable Assembly 1 Disconnect the cable harness to be removed from its power strip 2 On the power sequencer side of the rack remove the side panel the power strip bracket cover the power strip bracket and both power strips ie ss s SX eg amp S S S SS S S S S S FIGURE 1 6 Cable Harness 3 Disconnect the cable harness from the power input panel a Remove two screws holding the power input panel to the rack 8 Sun Rack Service Manual May 2007 b Remove the screw that holds the connector cluster to the power input panel assembly Disconnect the cable harness from the power sequencer a Loosen two screws on the front panel of the power sequencer b Pull the power sequencer out the front of the rack c Disconnect the cable harness from the three connectors on the power sequencer Set the power sequencer aside Loosen the screw that holds the cable harness carrier plate to the rack Lift up the rear of the carrier plate so the notch clears the edge on which it is seated Pull the carrier plate and cable harness2. AC 0 8 EVEN Input power available ON indicates The sequencer output AC is turned off there is no power to the power strip outlet groups A problem in the sequencer either with the sequencer controller or one of the power supplies or one or more of the outlet groups is not energized Note An open OFF power switch is not a Fault condition The sequencer is operational and has passed the power on self test POST AC power is available to the input side of the odd numbered outlet group relays Note this LED only indicates that power is available to the outlet group relays it does not indicate that AC power is output from the sequencer AC power is available to the input side of the even numbered outlet group relays Note this LED only indicates that power is available to the outlet group relays it does not indicate that AC power is output from the sequencer 38 Sun Rack Service Manual May 2007 TABLE 3 2 LED Indicators on the Power Sequencer Condition LED LED Status Troubleshooting Action Normal operation Okay to Remove OFF No action required Fault OFF Ready ON AC 1 9 ODD ON AC 0 8 EVEN ON Sequencer fault Okay to Remove OFF 1 Turn off both power switches The blue va oN ee a eae sequencer Ready ON or OFF AC 1 9 ODD ON AC 0 8 EVEN ON Turned off Okay to Remove ON You can safely remove the sequencer Fault ON or OFF Ready ON or OFF AC 1 9 ODD OFF AC 0 8 EVEN OFF Missing AC input Okay to R
3. Press the power cables into the power strips FIGURE 2 3 Note The power cables are labelled Ensure that you plug the power cables into the power strips with the same labels Chapter 2 Removing and Replacing Modular Power Supplies 19 FIGURE 2 3 Connecting the Power Cables to the Power Strips Dressing the Power Strip Cables 1 Assemble the power cable covers a Slide the two velcro strips through the slots on the power cable cover The velcro strips are not used for the MPS or power strip cables Use the velcro strips to bundle the power cables from your servers and other equipment b Using a 3 mm hex screw secure the power cable cover to the power strip bracket FIGURE 2 4 20 Sun Rack Service Manual May 2007 SSS SIS SIE NS X S 2B 0009000000000000000000000000000000F000000000000000000000000 v FIGURE 2 4 Installing the Power Cable Covers 2 Route the cables along the sides of the power strips FIGURE 2 5 secure the cables 3 Near the bottom of each power strip a Insert a tie wrap into the slots in the Sun Rack chassis FIGURE 2 5 b Close the tie wrap over the cables 21 Chapter 2 Removing and Replacing Modular Power Supplies FIGURE 2 5 Tie wrapping the Power Strip Cables 4 At the bottom of the Sun Rack bundle all of the cables into two sets FIGURE 2 6 a Bundle the A cables to
4. If the labels have been removed you should apply new labels to ensure that all connections are properly routed and identified FIGURE 2 9 Label A on right front Label B on left front GIS 6 6 6 l GIO 5 00 00 FIGURE 2 9 Labeling the Power Distribution Modules Connecting the Power Distribution Module to the Cables 1 Route the cable bundles between the side panel and the rack columns and under the modular power supply carrier FIGURE 2 8 2 Connect the power strip cables to the PDM cable connectors 3 Attach the retaining clips to all the cable connections FIGURE 2 10 Chapter 2 Removing and Replacing Modular Power Supplies 25 n 5 TD E z 5 2 un AL TD hm oO z O A CIE B0 FIGURE 2 10 Connecting the Cable to the MPS Pig Tail Cables Sun Rack Service Manual May 2007 26 Removing a Modular Power Supply This procedure describes how to remove modular power supplies and related components from the Sun Rack Deploying the Anti Tilt Bar 1 Pull the end of the anti tilt bar out to its fully extended position 2 Rotate the foot 90 degrees and adjust the height of the foot so that it rests on the floor FIGURE 2 11 Deploying the Anti Tilt Bar Powering Off the Rack and Components Before removing an MPS you must power off all the units connected to the MPS Consult the documentation for each system in the rack for correct shutdown procedur
5. docs sun com and Solaris are trademarks or registered trademarks of Sun Microsystems Inc in the U S and in other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and in other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the Sop anes industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements U S Government Rights Commercial use Government users are subject to the Sun Microsystems Inc standard license agreement and applicable provisions of the FAR and its supplements DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 2007 Sun Microsystems Inc 4150 Network Circle Santa Clara Californie 95054 Etats Unis Tous
6. Module Removal 2 Remove the four screws at the back of the MPS FIGURE 2 14 3 Remove the four screws that secure the MPS to the front of the rack 4 Tilt the modular power supply carrier and lift it out of the rack 30 Sun Rack Service Manual May 2007 FIGURE 2 14 Removing the Modular Power Supply Carrier Removing the Power Strips and Brackets Tip You can keep all the power strip cables bundled into A and B sets for storage and to simplify installation later 1 Cut the tie wraps securing the power strip cables to the side of the rack FIGURE 2 15 Chapter 2 Removing and Replacing Modular Power Supplies 31 FIGURE 2 15 Cutting the Tie Wraps from the Power Strip Cables 2 Using a 3 mm hex wrench remove the power cable covers FIGURE 2 16 32 Sun Rack Service Manual May 2007 LAY oN J ae 2 l t FIGURE 2 16 Removing the Power Cable Covers 3 Remove the power cables from the power strips FIGURE 2 17 4 Unscrew the 5 mm hex screws that are holding the bottom power strips AO and BO 5 Using a 5 mm hex wrench unscrew the top power strip bracket from power strip AO and BO FIGURE 2 18 6 Slide power strip AO and BO out of the bracket FIGURE 2 18 7 Repeat Step 4 through Step 6 until you have removed all of the power strips Note In some Sun Racks the top bracket is welded in place Chapter 2 Removing and Rep
7. NS amp o SUN microsystems Sun Rack Service Manual Sun Rack 900 38 Sun Rack 900 36N Sun Rack 1000 38 Sun Rack 1000 42 Sun Microsystems Inc www sun com Part No 816 6387 15 May 2007 Revision A Submit comments about this document at http www sun com hwdocs feedback Copyright 2007 Sun Microsystems Inc 4150 Network Circle Santa Clara California 95054 U S A All rights reserved Sun Microsystems Inc has intellectual property rights relating to technology fiat is described in this document In particular and without limitation these intellectual property rights may include one or more of the U S patents listed at http www sun com patents and one or more additional patents or pending patent applications in the U S and in other countries This document and the product to which it pertains are distributed under licenses restricting their use copying distribution and decompilation No part of the product or of this document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the s produet may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and in other countries exclusively licensed through X Open Company Ltd Sun Sun Microsystems the Sun logo Java AnswerBook2
8. Rack 900 36N m Sun Rack 1000 38 m Sun Rack 1000 42 This document is written for technicians system administrators authorized service providers ASPs and users who have advanced experience troubleshooting and replacing hardware Documentation Support and Training Sun Function URL Documentation http www sun com documentation Support http www sun com support Training http www sun com training Third Party Web Sites Sun is not responsible for the availability of third party web sites mentioned in this document Sun does not endorse and is not responsible or liable for any content advertising products or other materials that are available on or through such sites or resources Sun will not be responsible or liable for any actual or alleged damage or loss caused by or in connection with the use of or reliance on any such content goods or services that are available on or through such sites or resources vi Sun Welcomes Your Comments Sun is interested in improving its documentation and welcomes your comments and suggestions You can submit your comments by going to http www sun com hwdocs feedback Please include the title and part number of your document with your feedback Sun Rack Service Manual part number 816 6387 15 Sun Rack Service Manual May 2007 CHAPTER 1 Servicing the Sun Rack gt gt All service procedures must be performed by qualified service personnel
9. Read the Sun Rack Safety and Compliance document before attempting any service procedures There are five types of field replaceable units in the Sun Rack m Power sequencers Power distribution modules Power strips m Cable harnesses Top panel Installing and Removing Equipment Refer to the documentation that came with your equipment for bracket and rail installation information Caution To prevent the rack from tipping during equipment installation or removal the antitilt bar must be deployed Caution For safety equipment should always be loaded from the bottom up That is install equipment in the lowest part of the rack first then install a unit above that and so on When removing all equipment from the rack remove the top unit first then the one below that and so on Deploying the Antitilt Bar 1 Pull the end of the antitilt bar out to its fully extended position 2 Rotate the foot 90 degrees and adjust the height of the foot so that it rests on the floor FIGURE 1 1 Deploying the Antitilt Bar Preparing the Rack for Service Some maintenance tasks require that the panels be removed from the Sun Rack Removing the Grounding Straps Three grounding straps are mounted to each corner of the top of the rack frame FIGURE 1 2 and TABLE 1 1 identify which straps are connected to which panels Before removing any panel you must disconnect the grounding strap from the panel 2 Sun Rack Se
10. ach power distribution module Disconnect the MPS main power cord from the power source Installing the Power Strips and Brackets The illustrations in this chapter show the Sun Rack 1000 42 other racks may appear different Using a 5 mm hex wrench install the top power strip bracket at the top of the rack FIGURE 2 2 Note In some Sun Racks the top bracket is welded in place Chapter 2 Removing and Replacing Modular Power Supplies 17 2 Loosely attach the lower power strip bracket Do not tighten the screws yet N S 000000000000 N O000000000000000060 FIGURE 2 2 Installing the Power Strips Brackets Cables and Covers 3 Slide power strip B5 into the top bracket FIGURE 2 2 18 Sun Rack Service Manual May 2007 Note Be sure to keep all the power strips labeled A toward the front of the rack and all of the power strips labelled B toward the back of the rack Slide power strip A5 into the top bracket Align the bottom tabs of the power strips into the slots of the lower bracket Secure both power strips to the top bracket with the hex screws Tighten the middle two screws the bottom bracket Do not tighten the two outer screws until you install the next set of power strips Repeat Step 1 through Step 7 until you have installed all six power strips
11. aker is ON and there is no power at the output side of the module replace the module Power Strips in Racks with Power Distribution Modules 1 Check the power distribution module 2 Check the power strip input connection 3 With a voltmeter check power at an outlet of the power strip If power is not present check power on the input cable to the power strip with a voltmeter If power is present on the input cable replace the power strip If power is not present on the input cable replace the input cable Chapter 3 Troubleshooting 41 42 Sun Rack Service Manual May 2007
12. ay from the rack frame Loosen captive screws on the top of the power sequencer Pull the power sequencer up and out of the power sequencer housing To replace a power sequencer reverse the steps of the power sequencer removal procedure 6 Removing and Replacing a Power Strip This procedure is for removing power strips in Sun Racks that have a PDS For procedures on removing and replacing power strips with modular power supplies MPS see Removing and Replacing Modular Power Supplies on page 15 Sun Rack Service Manual May 2007 In order to remove the power strip closest to the power strip bracket edge you must first remove the other power strip The removal procedure for both power strips is the same Note If your rack has power distribution modules you must first remove the cable bracket that covers the input cable Disconnect the cable from the bottom of the power strip Loosen the retaining screw at the top of the power strip and rotate the top of the power strip toward the open side of the bracket that holds the power strips There are two types of power strip brackets In one the power strips are removed toward the front of the rack In the other the power strips are removed toward the back of the rack It will be obvious from looking at the power strip bracket which type your rack has Pull the power strip up and out so that the tab at the bottom of the power strip clears the bracket
13. droits r serv s Sun Microsystems Inc poss de les droits de propri t intellectuels relatifs la technologie d crite dans ce document En particulier et sans limitation ces droits de propri t intellectuels peuvent inclure un ou plusieurs des brevets am ricains list s sur le site http www sun com patents un ou les plusieurs brevets suppl mentaires ainsi que les demandes de brevet en attente aux les tats Unis et dans d autres pays Ce document et le produit auquel il se rapporte sont prot g s par un copyright et distribu s sous licences celles ci en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y en a Tout logiciel tiers sa technologie relative aux polices de caract res comprise est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit peuvent d river des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays licenci e exclusivement par X Open Company Ltd Sun Sun Microsystems le logo Sun Java AnswerBook2 docs sun com et Solaris sont des marques de fabrique ou des marques d pos es de Sun Microsystems Inc aux tats Unis et dans d autres pays Toutes
14. emove OFF Assuming both power switches are on start Fault OFF troubleshooting the input to the sequencer 1 Input power panel connectors Ready ON 2 Branch wall circuit breaker AC 1 9 ODD OFF AC 0 8 EVEN ON Chapter 3 Troubleshooting 39 Power Strips in Racks with Power Sequencers Each power strip is divided into outlet groups Each outlet group has four outlets sockets The outlet groups are divided into two sets odd and even The odd outlet groups are 1 3 5 7 and 9 The even outlet groups are 0 2 4 6 and 8 The odd outlet groups receive their power from one AC input and the even outlet groups receive their power from the other AC input The power strips have a power indicator LED for each outlet group Replace power A single LED on a Power sequencer sequencer power strip is not lit Fault light on Voltage okay at the Replace cable outlet group harness LED is faulty Replace power strip FIGURE 3 3 Troubleshooting a Power Strip 40 Sun Rack Service Manual May 2007 Power Distribution Modules 1 Check that the circuit breaker on the power distribution module is in the ON position 2 With a voltmeter check power at the input and output of the module Note To check the input voltage it will be necessary to unplug the input to the power distribution module The plug may be located under a raised floor If power is present at the input to the module and the circuit bre
15. es 1 Shut down each piece of equipment connected to the MPS 2 Switch off all the circuit breakers in each power distribution module Chapter 2 Removing and Replacing Modular Power Supplies 27 3 Disconnect the MPS main power cord from the power source Disconnecting the Power Distribution Module from the Cables 1 Remove the individual server cables if they are secured in the velcro strips 1 Remove the retaining clips from all the cable connections FIGURE 2 12 2 Disconnect the power strip cables from the PDM cable connectors FIGURE 2 12 1 Carefully pull the cable bundles from under the modular power supply carrier and around the side of the rack vertical columns FIGURE 2 13 28 Sun Rack Service Manual May 2007 B1 BO FIGURE 2 12 Disconnecting the Cables from the MPS Pig Tail Cables 29 Chapter 2 Removing and Replacing Modular Power Supplies Removing the Modular Power Supply Carrier Caution The carrier with power distribution modules is heavy Remove the PDMs from the MPS before you lift the MPS from the rack 1 Remove the power distribution modules from the back of the MPS a Loosen the thumb screws at the front of the PDM FIGURE 2 14 b Slide the PDMs out of the MPS SE ESE S DERE a a a 2 ig lt SA SSE Sr SSE te amp SNE SS NE A D 1 yy as FIGURE 2 13 Power Distribution
16. gether with a tie wrap b Bundle the B cables together with a tie wrap 22 Sun Rack Service Manual May 2007 Sn vy so ss svurs ss san 00 0 00 ASS ST as SN dl cS FIGURE 2 6 Bundling the Power Strip Cables Installing the Modular Power Supply Chassis You can install up to two modular power supplies in each Sun Rack The MPS must always be installed into the bottom of the rack Caution The carrier with power distribution modules is heavy Do not attempt to install the MPS carrier with the power distribution units installed 1 Tilt the modular power supply carrier to fit it into the rack 2 Using four screws secure the modular power supply carrier to the front of the rack FIGURE 2 7 3 Secure the rear of the MPS carrier with four screws at the back of the rack Chapter 2 Removing and Replacing Modular Power Supplies 23 om ra G SA 2 SN A eee eT es ll a s FIGURE 2 7 Installing the Modular Power Supply Carrier FIGURE 2 8 Power Distribution Module Installation Sun Rack Service Manual May 2007 24 4 Install the power distribution modules from the back of the MPS FIGURE 2 8 a Slide the B module into the left front side of the MPS b Slide the A module into the right front side of the MPS c Tighten the thumb screws to secure the PDMs to the MPS Note The PDMs are labeled A and B at the Sun factory
17. he bottom Power Distribution Your rack may have one of two types of power distribution In one type there are power sequencers PDS mounted on the side of the rack inside the side cover In the other type there are power distribution modules mounted in the bottom of the rack MPS Note For procedures on removing and replacing modular power supplies also called a modular power supply MPS and related components see Removing and Replacing Modular Power Supplies on page 15 Removing and Replacing a Power Sequencer 1 Loosen captive screws on the front of the power sequencer PDS 2 Pull the power sequencer part way out of the rack 3 Disconnect three cables from the rear panel of the power sequencer 4 Pull the power sequencer free from the cables and out of the rack Note Do not remove the side panel The illustration shows the side panel removed for reference purposes only Chapter 1 Servicing the Sun Rack 5 FIGURE 1 4 Removing a Power Sequencer To replace a power sequencer reverse the steps of the power sequencer removal procedure Removing and Replacing a Power Sequencer in a Sun Rack 1000 42 Remove the rack side panel See Section Removing a Side Panel on page 4 Disconnect the cable connectors from the bottom of the power sequencer PDS Remove the four screws on the sides of the power sequencer housing Pull the top of the power sequencer housing out aw
18. lacing Modular Power Supplies 33 FIGURE 2 17 Disconnecting the Power Cables from the Power Strips Sun Rack Service Manual May 2007 34 FIGURE 2 18 Removing the Power Strips and Brackets 35 Chapter 2 Removing and Replacing Modular Power Supplies 36 Sun Rack Service Manual May 2007 CHAPTER O Troubleshooting Power Sequencer FIGURE 3 1 shows only one AC circuit in a power sequencer There are four of these circuits for the odd 1 7 outlet groups and five more for the even 0 8 outlet groups Outlet Group 9 is unswitched AC to relays for outlet groups 3 5 and 7 AC to outlet group 9 unswitched AC 1 9 ODD LED AC Input Power switch for outlet groups 1 9 AC to outlet group 1 Control Control for outlet group 1 Control for outlet O Fault LED gt groups 3 5 and 7 Ready LED FIGURE 3 1 Simplified Block Diagram of a Single Circuit in a Power Sequencer 37 Okay to Remove BLUE Fault YELLOW Ready GREEN Input power available for outlet groups 1 3 5 7 and 9 GREEN Power switch for outlet groups 1 3 5 7 and 9 6 Input power available for outlet groups 0 2 4 6 and 8 GREEN Power switch for outlet groups 0 2 4 6 and 8 FIGURE 3 2 Power Sequencer LEDs TABLE 3 1 Sequencer LEDs LED Okay to Remove Fault Ready AC 1 9 ODD Input power available
19. les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des marques d pos es de SPARC International Inc aux tats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface utilisateur graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconna t les efforts de pionniers de Xerox dans la recherche et le era pement du concept des interfaces utilisateur visuelles ou graphiques pour l industrie informatique Sun d tient une license non exclusive de Xerox sur l interface utilisateur graphique Xerox cette licence couvrant galement les licenci s de Sun impl mentant les interfaces utilisateur graphiques OPEN LOOK et se conforment en outre aux licences crites de Sun LA DOCUMENTATION EST FOURNIE EN L TAT ET TOUTES AUTRES CONDITIONS DECLARATIONS ET GARANTIES EXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES DANS LA LIMITE DE LA LOI APPLICABLE Y COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALIT MARCHANDE L APTITUDE UNE UTILISATION PARTICULI RE OU L ABSENCE DE CONTREFA ON Ca Adobe PostScript Contents Preface v Servicing the Sun Rack 1 Installing and Removing Equipment 1 Deploying the Antitilt Bar 2 Preparing the Rack for Service 2 Removing the Grounding Straps 2 Removing a Side Panel 4 Removing an Extension Panel 5 P
20. out the back of the rack Replacing a Cable Assembly Each cable harness consists of three cables bundled together on a carrier plate Viewed from the back of the rack the cable harnesses and power sequencers are mounted on the left side of the rack The lower cable harness B is shorter than the upper harness A Each cable carrier plate is installed in the slot above its respective sequencer It is more convenient to install the cables for the lower sequencer B first Remove the rack side panel the power strip bracket cover and the power strip bracket Chapter 1 Servicing the Sun Rack 9 10 2 Holding the carrier plate pass the cable bundle through the space between the outer frame and the rackmounting rail SS aS FIGURE 1 7 Cable Harness and Carrier Plate 3 Insert the cable ends are inserted and then the carrier plate and push it forward toward the front of the rack As you slide the carrier plate in the front end is guided by a vertical channel on the front cover plate As the carrier is close to being fully inserted a small tab on its bottom edge aligns with a slot in the channel to position the carrier to the right As this tab fully engages a small vertical slot in the carrier plate engages and allows the carrier to drop into its final position 4 At this point tighten the captive screw Replacing an AC Input Panel There are two types of AC Input panel
21. ower Distribution 5 Removing and Replacing a Power Sequencer 5 Removing and Replacing a Power Sequencer in a Sun Rack 1000 42 6 Removing and Replacing a Power Strip 6 Removing and Replacing a Cable Assembly 8 Removing a Cable Assembly 8 Replacing a Cable Assembly 9 Replacing an AC Input Panel 10 Type 1 AC Input Panel 11 Type 2 AC Input Panel 12 Removing and Replacing the Top Panel 13 iv Removing and Replacing Modular Power Supplies 15 Overview of Modular Power Supplies 15 Preparing the Rack for Service 16 Replacing a Modular Power Supply 16 Deploying the Antitilt Bar 16 Powering Off the Rack and Components 17 Installing the Power Strips and Brackets 17 Dressing the Power Strip Cables 20 Installing the Modular Power Supply Chassis 23 Connecting the Power Distribution Module to the Cables 25 Removing a Modular Power Supply 27 Deploying the Anti Tilt Bar 27 Powering Off the Rack and Components 27 Disconnecting the Power Distribution Module from the Cables 28 Removing the Modular Power Supply Carrier 30 Removing the Power Strips and Brackets 31 Troubleshooting 37 Power Sequencer 37 Power Strips in Racks with Power Sequencers 40 Power Distribution Modules 41 Power Strips in Racks with Power Distribution Modules 41 Sun Rack Service Manual May 2007 Preface The Sun Rack Service Manual provides procedures that describe the removal and replacement of replaceable parts in the following Sun Racks m Sun Rack 900 38 m Sun
22. rvice Manual May 2007 1 4 2 5 3 6 CN 7 10 8 11 9 12 Front of Rack FIGURE 1 2 Rack Frame Showing Grounding Strap Terminals Top View TABLE 1 1 Grounding Strap Connections Grounding Strap Rack Terminal Number Connected To Rear Left 1 Left extension panel 2 Left side panel 3 Rear door if hinged on left Rear Right 4 Right extension panel 5 Top panel 6 Rear door if hinged on right Front Left 7 Front door if hinged on left 8 Not used 9 Not used Chapter 1 Servicing the Sun Rack 3 TABLE 1 1 Grounding Strap Connections Continued Grounding Strap Rack Terminal Number Connected To Front Right 10 Right side panel 11 Front door if hinged on right 12 Not used S 9 FIGURE 1 3 Typical Grounding Strap Connection Removing a Side Panel 1 Disconnect the grounding strap from the stud on the top inside of the panel 2 Release two latches on the bottom inside of the panel 3 Pull the bottom of the panel slightly away from the rack and lift up the panel 4 Sun Rack Service Manual May 2007 Removing an Extension Panel 1 Disconnect the grounding strap from the stud on the top inside of the panel 2 Lift the panel up slightly and slide it toward the front of the rack To hold the panel in place a tab attached to the panel slides into a bracket on the rack side There are two of these tabs and brackets one at the top of the panel and one at t
23. s Use the appropriate procedure for your configuration Sun Rack Service Manual May 2007 Type 1 AC Input Panel 1 Attach the two connector clusters to the power input panel FIGURE 1 8 Attaching Connector Clusters to the Power Input Panel Mount the lower cable harness cluster B on the right side of the input panel Position each cluster under the power input panel with the open side up The cables are positioned on the left side of the power input panel The connectors engage with the slots in the front surface Secure each cluster with a single screw between the two connectors While attaching the left hand cluster A to the power input panel ensure that the cluster supports the two cables from the right hand cluster B Chapter 1 Servicing the Sun Rack 11 2 Attach the input power panel to the rack with two 8 mm screws split washers and flat washers FIGURE 1 9 Attaching the Power Input Panel to the Rack Type 2 AC Input Panel 1 Attach the input power panel to the rack with two 8 mm screws split washers and flat washers FIGURE 1 10 Attaching the Power Input Panel to the Rack 12 Sun Rack Service Manual May 2007 2 Attach the two connector clusters to the power input panel N N X FIGURE 1 11 Attaching Connector Clusters to the Power Input Panel Removing and Replacing
24. the Top Panel 1 Disconnect the grounding strap from the stud on the inside of the panel 2 Disconnect the top panel power supply power cord from power strip 3 Remove the logo panel from the top front of the rack or if your Sun Rack has a front door open the door 4 Loosen the four screws that secure the top panel to the rack 5 Slide the top panel toward the front of the rack and lift it up to remove it from the rack To replace the top panel reverse the order of the removal procedure Chapter 1 Servicing the Sun Rack 13 14 Sun Rack Service Manual May 2007 CHAPTER 2 Removing and Replacing Modular Power Supplies This procedure describes how to install modular power supplies and related components into the Sun Rack This chapter contains the following sections Overview of Modular Power Supplies on page 15 Preparing the Rack for Service on page 16 Replacing a Modular Power Supply on page 16 Removing a Modular Power Supply on page 27 Overview of Modular Power Supplies An MPS can be installed in the Sun Racks shown in TABLE 2 1 TABLE 2 1 Modular Power Supply Compatibility Sun Rack Model Supported MPS Sun Rack 900 38 1 Sun Rack 1000 38 1 Sun Rack 1000 42 2 There are four modular power supply MPS options MPS 30 amp 1 phase MPS 30 amp 3 phase MPS 32 amp 3 phase MPS 60 amp 3 phase Each modular power supply is two rack units tall Each power distribution mod
25. ule supports 36 power plugs in six power strips or a total of 12 power strips each with 72 outlets per MPS In the Sun Rack 1000 42 you can install the power strips on either side of the rack On all other Sun Racks the powers strips can only be mounted on the left side Preparing the Rack for Service Before working on the rack you should extend the antitilt bar Power off any equipment plugged into the modular power supplies You might also need to remove some equipment form the rack 16 Replacing a Modular Power Supply Two people are required to safely lift the modular power supply and the power distribution modules Most procedures can be completed by one person You will require the following tools and parts to replace the MPS No 2 Phillips screwdriver 3mm hex wrench 5mm hex wrench m Container for screws Deploying the Antitilt Bar Pull the end of the antitilt bar out to its fully extended position Rotate the foot 90 degrees and adjust the height of the foot so that it rests on the floor Sun Rack Service Manual May 2007 FIGURE 2 1 Deploying the Antitilt Bar Powering Off the Rack and Components Before removing or replacing an MPS you must power off all the units connected to the MPS Consult the documentation for each system in the rack for correct shutdown procedures Shut down each piece of equipment connected to the MPS Switch off all the circuit breakers in e
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