3Com 9400 manual 3Com FTP Site, 3Com Bulletin Board Service, 3Com Facts Automated Fax Service

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54APPENDIX D: TECHNICAL SUPPORT

3Com FTP Site

Download drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week.

To connect to the 3Com FTP site, enter the following information into your FTP client:

■Hostname: ftp.3com.com

■Username: anonymous

■Password: <your Internet e-mail address>

You do not need a user name and password with Web browser software such as Netscape Navigator and Internet Explorer.

3Com Bulletin Board Service

The 3Com BBS contains patches, software, and drivers for 3Com products. This service is available through analog modem or digital modem (ISDN) 24 hours a day, 7 days a week.

Access by Analog 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 14,400 bps	61 2 9955 2073
Brazil	Up to 28,800 bps	55 11 5181 9666
France	Up to 14,400 bps	33 1 6986 6954
Germany	Up to 28,800 bps	4989 62732 188

Country	Data Rate	Telephone Number

Hong Kong	Up to 14,400 bps	852 2537 5601
Italy	Up to 14,400 bps	39 2 27300680
Japan	Up to 14,400 bps	81 3 5977 7977
Mexico	Up to 28,800 bps	52 5 520 7835
P.R. of China	Up to 14,400 bps	86 10 684 92351
Taiwan, R.O.C.	Up to 14,400 bps	886 2 377 5840
U.K.	Up to 28,800 bps	44 1442 438278
U.S.A.	Up to 53,333 bps	1 847 262 6000

Access by Digital Modem

ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps. To access the 3Com BBS using ISDN, call the following number:

1 847 262 6000

3Com Facts Automated Fax Service

The 3Com Facts automated fax service provides technical articles, diagrams, and troubleshooting instructions on 3Com products 24 hours a day, 7 days a week.

Call 3Com Facts using your Touch-Tone telephone:

1 408 727 7021

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Contents CoreBuilder United States Government Legends Japan Vcci Class a ComplianceAustralian EMC Frameworks Compliance Page Contents System Specifications Introduction Finding Specific Information in This GuideFor information on Icon Type Description ConventionsFor information on Turn to Convention DescriptionCoreBuilder 9400 Documentation Paper DocumentsDocumentation Comments Year 2000 ComplianceSoftware and Documents on CD-ROM CoreBuilder 9400 Intelligent Switch System Features and BenefitsNetwork Configuration Example Speeding Up Server AccessSystem Management System Overview Front Panel 10BASE-TXSystem Overview Back Panel Back Panel of the CoreBuilder 9400 SystemSuperStackII Switch System Overview Sample ApplicationSystem and Setup Overview Installing the System on a Table Top Before You BeginQty To use Installing the System in a Distribution Rack Installing System Mounting BracketsFiber Safety Precautions Overview of CablingCabling Gigabit Ethernet Ports Guidelines for Gigabit Ethernet CablingCabling 1000BASE-SX Ports Cabling Gigabit Ethernet PortsSystem is powered on and running Cabling 1000BASE Gbic PortsSC connector cover Connecting the LX Transceiver to MMF When you cable Gbic transceivers, note that the SC Cabling the Console Port Pin No Signal Description Cabling the Out-of-Band Management PortConsole Port Pin Assignments Male RJ-45 connector 10BASE-T cable System Power UP Power UpPower-up Diagnostics System DiagnosticsGigabit Ethernet Port Diagnostics Check Description Next Step Software ConfigurationSystem Checks SystemSystem Power UP Access Allows you to Using Mechanism About CoreBuilder 9400 System ManagementTerminal Connection Modem ConnectionIP Management Interface Initial Management Access Changing the Console Port Baud SettingConfiguring the IP Interface In-band ManagementOut-of-band Management Getting Additional Help Diagnosing ProblemsPower Failures Abnormal LED ActivitySymptom Possible Sources of the Problem Steps to Take Diagnosing Problems LED Status Possible Sources of the Problem Steps to TakeCleaning Dirty Fiber Optic Ports and Connectors Power Supply Specifications Physical DimensionsSafety Agency Certifications Environmental RequirementsSnmp protocol RFC Software Tftp RFC InstallationStandard Type RFC/IEEE Supported MIB II RFCRemoving and Replacing the Power Supply Safety PrecautionsPower Supply Assembly Removal and Replacement AudienceRemoving and Replacing the Power Supplies Fan Tray Assembly Removal and Replacement Fan Tray Assembly Removal and ReplacementAppendix B FIELD-REPLACEABLE Units General Safety Requirements Wiring Closet RecommendationsDistribution Rack Requirements Protective Grounding for the RackSpace Requirements for the Rack Recommended Service Access Mechanical Requirements for the RackBuilding and Electrical Codes Building CodesNfpa Electrical CodesAppendix C Site Requirements and Safety Codes Online Technical Services 3Com Knowledgebase Web ServicesWorld Wide Web Site 3Com FTP Site 3Com Bulletin Board Service3Com Facts Automated Fax Service Country Data Rate Telephone NumberSupport from Your Network Supplier Support from 3ComEurope Country Telephone Number Asia Pacific RimCountry Latin AmericaReturning Products for Repair Country Telephone Number Fax NumberAppendix D Technical Support Index NumbersIndex Recommendations World Wide Web WWW 50, 51 Index 3Com Corporation Limited Warranty CoreBuilder 9400 High-Availability SwitchWarranties Exclusive