3Com 5112M-TPLS Returning Products for Repair, Accessing the 3Com MIB

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For access to customer service for all 3Com products, call (800) 876-3266.

You can also contact the Integrated Systems Division (ISD) on the Internet by using the e-mail address techsupp@chipcom.com.

Returning Products for Repair

A product sent directly to 3Com for repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to 3Com without an RMA number will be returned to the sender unopened, at the sender’s expense.

To obtain an RMA number for Integrated Systems Division products (formerly Chipcom), use the following numbers.

Country	Telephone Number	Fax Number

U.S. and Canada	(800) 724-2447	(508) 787-3400
Europe	(44) (1442) 275860	No Fax
Asia Pacific	(508) 787-5296	(508) 787-3400

Accessing the 3Com MIB

The 3Com Management Information Base (MIB) for the Integrated Systems Division describes commands that enable you to manage 3Com SNMP-based products. The MIB is available over the Internet on an anonymous FTP server. Updates to these MIBs are released as new 3Com products are introduced.

To access Internet versions:

1.FTP to ftp.chipcom.com (151.104.9.65).

2.Enter the login name anonymous.

B - 4 ONline 10BASE-T Security Module Installation and Operation Guide

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Contents Page VDE Class B Compliance Restricted Rights Page Contents Installing and Operating the Module Troubleshooting Appendix B Technical Support Figures Page Tables Page How to Use This Guide AudienceStructure of This Guide Convention Indicates Example Document ConventionsUsr/snm/agents Related Documents 3Com Documents Reference DocumentsPage Introduction ONline 10BASE-T Security ModuleTheory of Operation ApplicationONline Management ONline 10BASE-T Security Module ApplicationPage Designing and Expanding the Network Understanding the General Rules Basic Network RulesSeven Basic Network Rules Rule Definition Recommendations/NotesCertain LAN devices Seven Basic Network Rules LAN Product Equivalent Distances LAN EquivalenceLAN Product Equivalent Fiber Fiber Backbone, Twisted Pair To-The-Desk Fiber Backbone, Twisted Pair To-The-Desk Example Sample Configuration Distance Calculation Maximum Link Distance on Twisted Pair Twisted Pair Backbone, Twisted Pair To-The-DeskCable Gauge Supports Link Distances Up To Patch Panels Unshielded Twisted Pair NetworkRedundant Twisted Pair Configuration Redundant LinksDesigning and Expanding the Network 2 Page Installing and Operating the Module Precautionary Procedures Quick Installation ChartProcedures for Completing Installation Step Procedure ReferenceInstalling the Module Unpacking Procedures Setting the Dip Switch Security Module Dip Switch SW1 LocationDIP Switch SW1 Network Selection Settings Switch Network Selection Switch SettingsSwitch Function Factory Setting DIP Switch SW1 Security and Link Integrity SettingsOff On Installing the Module Installing the Cable Tie-Wrap KitAttaching the Tie-Wrap Bracket to the Module Attaching Cables With 90 Connectors Installing the Module Installing an ONline 10BASE-T Security ModuleONline 10BASE-T Security Module Cable Connection Configuring the Module Network Assignment Port EnablePort Redundancy Link Integrity Module SecurityReverting Module Configurations Saving Module ConfigurationsAutopartition Threshold Showing Module Configurations Show Module Show Module Verbose Show Port Show Port VerboseMonitoring the Front Panel Security Module Faceplate Interpretation of the Security Module LEDs Color State Indicates NameLED and Network Verification LED State Network ConfigurationNetwork Check Codes Page Configuring Security Features Quick Reference for Configuring the Security Module Quick Reference for Configuring SecurityProcedure Command SET Security Autolearn Configuring Security Features Eavesdropping SecurityIntrusion Detection Example of Eavesdropping SecurityDefining Port Security Type Example of Intrusion DetectionDefining Port Action on Intrusion Configuring Autolearning Mask Enabling PortsConfiguring Autolearning Autolearn capture done learned 0 addresses total Defining a MAC Address Manually Downloading the Autolearning Database Configuring Security Mode Saving Security Configurations Showing Security ConfigurationsReverting Security Configurations Showing Port Configurations Eavesdrop None ETHERNET1 Showing Security Autolearn Showing Security Intruder List Clearing Security Configurations Clearing the MAC Address TableClearing the Autolearning Database Clearing the Security Intruder ListUsing 3Com MIB Security Variables EMM Security Snmp VariablesUsing the Security Module Snmp Variables Configuring Security Features 4 Page Troubleshooting TroubleshootingTroubleshooting Using the Status LEDs Troubleshooting Using the Port Status LEDsTroubleshooting Using the Port Status LEDs Troubleshooting Using the Activity LEDs Troubleshooting Using the Activity LEDsLED State Possible Problem Troubleshooting Solutions Technical Assistance Page Specifications Electrical SpecificationsMechanical Specifications Environmental SpecificationsGeneral Specifications Pin Connector and Cable Figure A-1 -Pin Cable Male and Female Connectors Table A-1 -Pin Cable Pinouts and Port Assignments Hub Trans CeiverPort # Function PolarityTwisted Pair Connectors and Cables Hub TransHub Port #Twisted Pair Connectors Figure A-2. RJ-45 Connector PinoutsTwisted Pair Cables Technical Support On-line Technical SupportEmail Technical Support Support from Your Network SupplierWorld Wide Web Site Support from 3Com Accessing the 3Com MIB Returning Products for Repair3Com Technical Publications Page Index Activity LEDs, 3-18,3-20 Quick Reference Chart Security Type Default Setting Index