3Com CS/2500 manual Removing the Server Cover

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5-6 CHAPTER 5: MAINTENANCE AND UPGRADES

Removing the Cover Follow these steps to remove the server cover:

1Shut down the server, as described in “Shutting Down” on page 3-8.

WARNING: Before removing the cover, be sure the unit is turned off and the power cord is either disengaged from the unit’s receptacle or unplugged from the wall socket.

2If the server is mounted in a rack, remove it from the rack. Remove the rack-mounting brackets from the sides of the server.

3Remove the black screws shown in Figure 5-3 with a #1 Phillips screwdriver.

Figure 5-3 Removing the Server Cover

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Contents CS/2500 Series 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Iii Page Contents Installation Maintenance and Upgrades PIN Assignments Technical Support Page Figures Tables Audience About this GuideIntroduction ConventionsThis Typeface Italics Italics are used to denote new terms or emphasis About this Guide Overview FeaturesFeatures Ten standard RS-232-D electrical interfacesCompatibility SoftwareSW/2500, can be used only with the CS/2500 and CS/2600 Chassis Panel, see Back Panel onHardware Interrupt Front Panel Its +5 V DC output Back Panel Power supply module and three types of connectorsCS/2500 and CS/2600 back panel, shown in -5, contains Overview Back Panel Overview Optional Rack SpecificationsMount Kit VAC Do the following before beginning the installation InstallationPreparation Installation Install brackets To the Network Cabling the ServerTurning on the server All ports are set to terminal SETDefault -TERM DeVice = Installation Slide-lock connection on the server End to the transceiverInstall brackets Configuration, and Appendix C, Monitor Utility ConfigurationAC power source must meet the requirements outlined ModifyingInstallation Startup Guide or software release notes Rbcs files Booting fromDiskette DisketteStartup 3Com Corporation CS/2000 Series Monitor Reading...OK Insert copy and hit return to continue Parameter changes Messages Boot ProblemsNormal Startup Shutting DownShutting Down Startup Entering ConfigurationFirmware Monitor Configuration Changing ProcedureFollowing menu is displayed SLP Changing the Configuration Configuration Changing the Configuration Used with 3Com Network Control Servers NCSs Com no longer SLP, and Trivial File Transfer Protocol TftpNext section Type B Change IP/TFTP Parameters menu appears TftpConfiguration Bootp CS/2000 or CS/2100 Emulating aSoftware and to operate in mixed environments Changing Port Configuration Changing Port Configuration Configuration 3Com recommends the following procedures for preventive Maintenance and UpgradesMaintenance MaintenanceMaintenance and Upgrades Maintenance Reinstall the fuseholder cartridge in the receptacle Upgrades Upgrade procedures require you to remove the server coverRemoving the Server Cover Grasp both sides of the cover and carefully lift it off Rear8-F Pull taut to expose screw Voltages. There are no user-serviceable parts inside Upgrades Remove Connector from Each pin must be inserted properly into its socket EPROM. Each pin must be inserted properly into its socket Replace the cover, as described in the next sectionUpgrades Maintenance and Upgrades Troubleshooting Troubleshooting Operating Problems Troubleshooting Procedures Memory DumpEnter the density of the dump diskettes Return to use the default density 2mb Troubleshooting Figure A-1 Serial Connector Pin Numbering PIN AssignmentsTXD DTE Transceiver DO-S Slct Startup Messages Appendix B Startup Messages You can access the monitor in either of the following ways Monitor UtilityContinuous Self-Test and Initial Boot Source parameters Set the Auto-reboot parameter to Boot monitorNonfunctional Become nonfunctional, enter the following command Memory dumps, refer to Memory Dump Procedures on-2 on page 1-4. The switch is recessed into a round hole to Dump Procedures onSyntax BT Filename and address parameters specify the name Procedures onUsing this menu, refer to , Configuration From memory locationDescription Repeats the previous command Technical Support Services3Com Bulletin Board Service 3ComBBS On-line TechnicalPress Return to see the ThreeComForum main menu Country Telephone Number Hong Kong 852 2537 44 1442 408 727 Appendix D Technical Support For Repair Returning ProductsSender’s expense To obtain an RMA number, call or fax 10/25/95 Index NumericsCover Index Index Index Index Limited Warranty Bayfront Plaza Santa Clara, CA 408 764-5000 1/1/94