3Com S21x installation manual Technical Support

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Appendix D

Technical Support

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

Information contained in this appendix is correct at time of publication. For the very latest, 3Com recommends that you access the 3Com Corporation World Wide Web site.

Online Technical

3Com offers worldwide product support 24 hours a day, 7 days a week, through the

Services

following online systems:

 

• World Wide Web site

 

3Com FTP site

 

• 3Com Bulletin Board Service (3Com BBS)

 

SM

 

3ComFacts automated fax service

World Wide Web

 

Access the latest networking information on the 3Com Corporation World Wide Web

Site

site by entering the URL into your Internet browser:

 

http://www.3com.com/

 

This service provides access to online support information such as technical

 

documentation and software library, as well as support options ranging from

 

technical education to maintenance and professional services.

3Com FTP Site

 

Download drivers, patches, and software, 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 (or 192.156.136.12)

 

Username: anonymous

 

Password: <your Internet e-mail address>

Note

A user name and password are not needed with Web browser software such as

Netscape Navigator and Internet Explorer.

Technical Support

D-1

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Contents 3Com Corporation Restricted Rights Legend Restricted Rights Notification for U.S. Government UsersProprietary Material Page Overview About This ManualProduct Company/Organization TrademarksAbout This Manual How to Use This Manual Descriptions ChapterThis section Describes Other Related DocumentationDocumentation PathBuilder S200Page Contents Contents Chapter Standard Features FeaturesCTP Port Dual DaughtercardDaughtercard Voice RelayDual FXS Voice RelayDIM Site Frame Relay ServiceRFC 877 RFCTarget Application Environments Security Monitoring Central Office At Branch Office Target Application Environments Step To Perform This Action See This Procedure Installing the PathBuilder S21x Switch Hardware OverviewChecking Your Shipment Contents Choosing a Site Proper Cable and Air Clearance Cabling the PathBuilder S21x Switch Port Port Connector Interface Cable Required Speed Characteristics Cable RequirementsPort DIM 10BaseT Ethernet Cable Interface ConnectorSwitches Front Panel Dip SwitchesSwitch Setting Switch Down Posn NameOptional Installing Optional DaughtercardsDaughtercards Battery Type Installing or Removing the Lithium BatteryBattery Disposal Routine BatteryStep Action CoverstepsRemoving Installing BatteryThis chapter describes Powering on the PathBuilder S21x Switch OverviewSwitch Powering On The PathBuilder S21x SwitchPanel LEDs Powerup DiagnosticsStage When This indicates Power UpSequence Accessing the Control Terminal Port Page Hardware SpecificationsSoftware Environmental Electromagnetic CompatibilityPower Supply Power RequirementsSafety DescriptionAppendix B CTP Cable Connector Pinout CTP Access CableRJ45 Pin Signal Pin Connection On DB25F Adapter Voice Relay Cable SpecificationPin Name FunctionFXS Dual FXS Voice Relay CableFigure B-1. RJ45 Pinout 10BaseT Crossover CableRemoteVu Video Cables Camera Interface Connector PinoutPin Function DSU Daughtercard Cable Pin Signal FunctionCable Pinout 35/V.36 Cable Pin Function/Signal Name35/V.36 DCE 35/V.36 DTE Cable Pin Function/Signal Name TXD TXD RXD RTS CTS DSR Cable This Appendix Appendix C Checking While Setting Up Your Configuration Connection Must be set to Step Action Technical Support Country Data Rate Telephone Number Access by Analog Modem3Com Support fromCountry Telephone Number Country Telephone Number Fax Number ReturningNumerics IndexURL