3Com CS/2500 Technical Support, On-line Technical, Services, 3Com Bulletin Board Service 3ComBBS

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D	TECHNICAL SUPPORT

3Com provides easy access to technical support information through a variety of services. This appendix describes these services.

On-line Technical	3Com offers worldwide product support seven days a week, 24 hours a
Services	day, through the following on-line systems:
■ 3Com Bulletin Board Service (3ComBBS)
■ World Wide Web site
■	ThreeComForum on CompuServe®
■ 3ComFactsSM automated fax service
3Com Bulletin Board	3ComBBS contains patches, software, and drivers for all 3Com
Service	products, as well as technical articles. This service is available via
	modem or ISDN seven days a week, 24 hours a day.
	Access by Modem
	To reach the service by modem, set your modem to 8 data bits, no
	parity, and 1 stop bit. Call the telephone number nearest you:
	Country	Data Rate	Telephone Number

	Australia	up to 14400 bps	(61)	(2) 9955 2073
	France	up to 14400 bps	(33)	(1) 69 86 69 54
	Germany	up to 9600 bps	(49)	(89) 627 32 188 or (49) (89) 627 32
			189
	Hong Kong	up to 14400 bps	(852) 2537 5608
	Italy (fee required)	up to 14400 bps	(39)	(2) 273 00680
	Japan	up to 14400 bps	(81)	(3) 3345 7266
	Singapore	up to 14400 bps	(65)	534 5693
	Taiwan	up to 14400 bps	(886) (2) 377 5838
	U.K.	up to 28800 bps	(44)	(1442) 278278

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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 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 OverviewCompatibility SoftwareSW/2500, can be used only with the CS/2500 and CS/2600 Panel, see Back Panel on ChassisHardware 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 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 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 Tftp Type B Change IP/TFTP Parameters menu appearsConfiguration Bootp CS/2000 or CS/2100 Emulating aSoftware and to operate in mixed environments 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 waysContinuous Self-Test and Initial Boot Source parameters Set the Auto-reboot parameter to Boot monitorNonfunctional 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 For Repair Returning ProductsSender’s expense To obtain an RMA number, call or fax 10/25/95 Numerics IndexCover Index Index Index Index Limited Warranty Bayfront Plaza Santa Clara, CA 408 764-5000 1/1/94