3Com CS/2500 manual 8-F

Page 72

5-8 CHAPTER 5: MAINTENANCE AND UPGRADES

Rear

0-7 8-F

Front

	Memory chips (RAM)	EPROMs
	Figure 5-5 Memory Chip and EPROM Locations on Motherboard
Replacing the Diskette	This section explains how to replace the diskette drive (Model CS/2600
Drive	only).

You need a #1 and a #2 Phillips screwdriver. A pair of needlenose pliers is also helpful for removing and replacing screws and connectors. Follow this procedure:

1Make sure server power is off and the power cord is unplugged.

2Remove the cover, as described in “Removing the Cover” on page 5-6.

3Perform the steps illustrated in Figure 5-6.

aDisconnect the ribbon cables from the side of the daughtercard mounted on top of the diskette drive bracket (step 1 in Figure 5-6). Note the orientation of the cables.

Image 72

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 interfacesSoftware CompatibilitySW/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 Power supply module and three types of connectors Back PanelCS/2500 and CS/2600 back panel, shown in -5, contains Overview Back Panel Overview Specifications Optional RackMount Kit VAC Installation Do the following before beginning the installationPreparation Installation Install brackets Cabling the Server To the NetworkTurning 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 Configuration EnteringFirmware Monitor Configuration Procedure ChangingFollowing menu is displayed SLP Changing the Configuration Configuration Changing the Configuration SLP, and Trivial File Transfer Protocol Tftp Used with 3Com Network Control Servers NCSs Com no longerNext section Type B Change IP/TFTP Parameters menu appears TftpConfiguration Bootp Emulating a CS/2000 or CS/2100Software 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 UtilitySet the Auto-reboot parameter to Boot monitor Continuous Self-Test and Initial Boot Source parametersNonfunctional 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 Returning Products For RepairSender’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