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D-2 APPENDIX D: TECHNICAL SUPPORT

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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 About this Guide IntroductionAudience ConventionsThis Typeface Italics Italics are used to denote new terms or emphasis About this Guide Features FeaturesOverview Ten standard RS-232-D electrical interfacesSW/2500, can be used only with the CS/2500 and CS/2600 SoftwareCompatibility Chassis Panel, see Back Panel onHardware Interrupt Front Panel Its +5 V DC output CS/2500 and CS/2600 back panel, shown in -5, contains Power supply module and three types of connectorsBack Panel Overview Back Panel Overview Mount Kit SpecificationsOptional Rack VAC Preparation InstallationDo the following before beginning the installation Installation Install brackets Turning on the server Cabling the ServerTo the Network All ports are set to terminal SETDefault -TERM DeVice = Installation Slide-lock connection on the server End to the transceiverInstall brackets Configuration AC power source must meet the requirements outlinedConfiguration, and Appendix C, Monitor Utility ModifyingInstallation Startup Guide or software release notes Booting from DisketteRbcs files DisketteStartup 3Com Corporation CS/2000 Series Monitor Reading...OK Insert copy and hit return to continue Parameter changes Boot Problems Normal StartupMessages Shutting DownShutting Down Startup Firmware Monitor ConfigurationEntering Configuration Following menu is displayed ProcedureChanging SLP Changing the Configuration Configuration Changing the Configuration Next section SLP, and Trivial File Transfer Protocol TftpUsed with 3Com Network Control Servers NCSs Com no longer Type B Change IP/TFTP Parameters menu appears TftpConfiguration Bootp Software and to operate in mixed environments Emulating aCS/2000 or CS/2100 Changing Port Configuration Changing Port Configuration Configuration Maintenance and Upgrades Maintenance3Com recommends the following procedures for preventive 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 UtilityNonfunctional Set the Auto-reboot parameter to Boot monitorContinuous Self-Test and Initial Boot Source parameters Memory dumps, refer to Memory Dump Procedures on -2 on page 1-4. The switch is recessed into a round hole toBecome nonfunctional, enter the following command Dump Procedures onSyntax BT Procedures on Using this menu, refer to , ConfigurationFilename and address parameters specify the name From memory locationDescription Repeats the previous command Services 3Com Bulletin Board Service 3ComBBSTechnical Support 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 Sender’s expense To obtain an RMA number, call or fax Returning ProductsFor Repair 10/25/95 Index NumericsCover Index Index Index Index Limited Warranty Bayfront Plaza Santa Clara, CA 408 764-5000 1/1/94