3Com CS/2500 manual Troubleshooting

Page 88

6-8 CHAPTER 6: TROUBLESHOOTING

VERSion . This command provides both the software version string and the firmware version number. If the software fails to boot, the firmware version number appears in the power-up message when a console is attached and Monitor is enabled. Press the front panel reset button to obtain this message.

■The transceiver brand name and model number

■How much of the server is affected (that is, a single port, several ports, or the entire unit)

■A description of any symptoms present before the crash

■The text of any error messages that appeared on the console at the time of the crash (if a console was attached and Monitor was enabled)

■The text of any error messages that appeared on the console during any step of the dump procedure, and a description of any action taken to recover from the error (for example, skipped the step, repeated the step successfully)

■The frequency of the problem

You may also be asked to send a copy of the working diskette (Model CS/2600 only) or a copy of the communications server software loaded on the hard disk of your RBCS or TFTP/FTP server. To make a copy of the working diskette, follow the procedure in “Copying and Formatting Diskettes” on page 3-4.

Restarting To reboot the server after a memory dump, enter bt to boot from the working diskette (Model CS/2600 only), or press the reset switch.

Image 88

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 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 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 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 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 UtilityContinuous Self-Test and Initial Boot Source parameters Set the Auto-reboot parameter to Boot monitorNonfunctional 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 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