3Com 5108M-TP manual Document Conventions, Convention Indicates Example, Usr/snm/agents

Page 13

Document Conventions

The following document conventions are used in this manual:

Convention

Indicates

Example

 

 

 

 

Courier text

User input

In the Agent Information Form,

 

 

 

enter MIS in the New Contact

 

 

 

field.

 

 

 

 

 

 

System output

After pressing the Apply

 

 

 

button, the system displays

 

 

 

the message

 

 

 

Transmitting data.

 

 

 

Bold command

Path names

Before you begin, read the

string

 

readme.txt file located in

 

 

 

/usr/snm/agents.

 

 

 

Italic text in braces

User-substituted

Use the following command to

 

 

identifiers

show port details:

 

 

 

SHOW PORT {slot.all} VERBOSE

 

 

 

Capitalized text in

Keyboard entry

Type your password and press

plain brackets

by the user

[ENTER].

 

 

 

Italics

Text emphasis,

Ensure that you press the Apply

 

 

document titles

button after you add the new

 

 

 

search parameters.

 

 

 

 

ONline Ethernet 10BASE-T Module User’s Guide xiii

Image 13
Contents ONline Ethernet 10BASE-T Module User’s Guide Ii ONline Ethernet 10BASE-T Module User’s Guide ONline Ethernet 10BASE-T Module User’s Guide Iv ONline Ethernet 10BASE-T Module User’s Guide Contents Installing and Operating the Module Figures Viii ONline Ethernet 10BASE-T Module User’s Guide Tables Page Audience How to Use This GuideStructure of This Guide Convention Indicates Example Document ConventionsUsr/snm/agents Related Documents Reference Documents 3Com DocumentsPage ONline Ethernet 10BASE-T Module IntroductionIndicators BASE-T Module Faceplate and ONline System Concentrator Interpretation of the 10BASE-T Module LEDs Dip SwitchesLED Name Color State Indicates Dip Switch SW1 Port Status Dip Switch SW1 Settings and Interpretations Dip Switch SW3 Crossover Mode, Channel Select, SquelchSwitch Function Factory Switch Setting Default Off Dip Switch SW3 Settings for Switches 1Crossover Mode Switch Squelch Mode SwitchChannel Select Switch Settings Switch Channel Selection Dip Switch SW3 Settings and Interpretations for Switches 2Dip Switch SW6 Settings and Interpretations Related FeaturesEnable Channel Check Codes LED State Channel ConfigurationPage Designing and ExpandingtheNetwork Basic Network Rules Understanding the General RulesRule Definition Recommendations/Notes Seven Basic Network RulesCertain LAN devices Seven Basic Network Rules LAN Product Equivalent Distances LAN EquivalenceLAN Product Equivalent Distance meters Fiber Backbone, Twisted Pair To-The-Desk Fiber Backbone, Twisted Pair To-The-Desk Example Sample Configuration Distance Calculation Unshielded Twisted Pair High Squelch Low Squelch Maximum Link Distance on Twisted PairShielded Twisted Pair High Squelch Low Squelch IBM Type Unshielded Twisted Pair Network Twisted Pair Backbone, Twisted Pair To-The-DeskRedundant Links Redundant Twisted Pair ConfigurationPage Patch Panels Precautionary Procedures Installing and Operating the ModuleInstallation Procedures Unpacking ProceduresInstalling a 10BASE-T Module BASE-T Module Cable Connection Troubleshooting TroubleshootingTroubleshooting With the Port Status LEDs Troubleshooting With the Status LEDsTroubleshooting With the Port Status LEDs Troubleshooting With the Port Status LEDs Troubleshooting With the Port Activity LEDs Troubleshooting With the Activity LEDsPossible Problem Troubleshooting State Solutions LED NameTechnical Assistance Electrical Specifications ONline Ethernet 10BASE-T Module SpecificationsMechanical Specifications Environmental SpecificationsGeneral Specifications Twisted Pair Connectors Twisted Pair Connectors and CablesTwisted Pair Cables Figure A-1. RJ45 Connector Pin-outsConnecting Twisted Pair Cables Page On-line Technical Support Technical SupportEmail Technical Support Support from Your Network SupplierWorld Wide Web Site Support from 3Com Returning Products for Repair Accessing the 3Com MIB3Com Technical Publications Page Index MIB, B-4