3Com CS/2500 manual Grasp both sides of the cover and carefully lift it off, Rear

Page 71

Upgrades 5-7

4Grasp both sides of the cover and carefully lift it off.

Figure 5-4 shows a view of the server interior and its components. Figure 5-5 shows the motherboard and the locations of the memory chips and EPROMs that can be replaced.

Transceiver connector	Printer cable
and cable

	Rear
	Power supply
	WARNING:
	Hazardous voltage.
	Do not open.
Motherboard	No user-serviceable
	parts inside.
	Power wiring
	harness connector
	Daughtercard
	assembly and
	diskette drive
	(CS/2600 only)
	Ribbon cable
	connectors
	Front

Memory chips (RAM) EPROMs

Figure 5-4 Server Components

Image 71

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 Conventions About this GuideIntroduction AudienceThis Typeface Italics Italics are used to denote new terms or emphasis About this Guide Ten standard RS-232-D electrical interfaces FeaturesFeatures OverviewSW/2500, can be used only with the CS/2500 and CS/2600 SoftwareCompatibility Panel, see Back Panel on ChassisHardware 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 End to the transceiver Slide-lock connection on the serverInstall brackets Modifying ConfigurationAC power source must meet the requirements outlined Configuration, and Appendix C, Monitor UtilityInstallation Startup Guide or software release notes Diskette Booting fromDiskette Rbcs filesStartup 3Com Corporation CS/2000 Series Monitor Reading...OK Insert copy and hit return to continue Parameter changes Shutting Down Boot ProblemsNormal Startup MessagesShutting 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 Tftp Type B Change IP/TFTP Parameters menu appearsConfiguration Bootp Software and to operate in mixed environments Emulating aCS/2000 or CS/2100 Changing Port Configuration Changing Port Configuration Configuration Maintenance Maintenance and UpgradesMaintenance 3Com recommends the following procedures for preventiveMaintenance and Upgrades Maintenance Reinstall the fuseholder cartridge in the receptacle Upgrade procedures require you to remove the server cover UpgradesRemoving the Server Cover Rear Grasp both sides of the cover and carefully lift it off8-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 Replace the cover, as described in the next section EPROM. Each pin must be inserted properly into its socketUpgrades Maintenance and Upgrades Troubleshooting Troubleshooting Operating Problems Troubleshooting Memory Dump ProceduresEnter the density of the dump diskettes Return to use the default density 2mb Troubleshooting PIN Assignments Figure A-1 Serial Connector Pin NumberingTXD DTE Transceiver DO-S Slct Startup Messages Appendix B Startup Messages Monitor Utility You can access the monitor in either of the following waysNonfunctional Set the Auto-reboot parameter to Boot monitorContinuous Self-Test and Initial Boot Source parameters Dump Procedures on Memory dumps, refer to Memory Dump Procedures on-2 on page 1-4. The switch is recessed into a round hole to Become nonfunctional, enter the following commandSyntax BT From memory location Procedures onUsing this menu, refer to , Configuration Filename and address parameters specify the nameDescription Repeats the previous command On-line Technical Services3Com Bulletin Board Service 3ComBBS Technical SupportPress 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 Numerics IndexCover Index Index Index Index Limited Warranty Bayfront Plaza Santa Clara, CA 408 764-5000 1/1/94