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Cisco Systems 2940 Four Twisted-Pair Cable Pinouts for 10/100 Ports

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B-6

Catalyst 2940 Switch Hardware Installation Guide

OL-6157-01

AppendixB Connectors and Cables

Cable and Adapter Specifications

Four Twisted-Pair Cable Pinouts for 10/100 Ports

Figure B-8 and Figure B-9 show the schematics of four twisted-pair cables f or 10/100 ports.

FigureB-8 Four Twisted-Pair Straight-Through Cable Schematic for 10/100Ports

FigureB-9 Four Twisted-Pair Crossover Cable Schematic for 10/100 Ports

1 TPO+

2 TPO-

3TP1+

6TP1-

1TP1+

Switch Router or PC

2TP1-

3 TPO+

6 TPO-

4TP2+

5TP2-

7TP3+

8TP3-

4TP3+

5TP3-

7TP2+

8TP2-

65272

1 RD+

2 RD-

3 TD+

6 TD-

1 RD+

Switch Switch

2 RD-

3TD+

6TD-

4NC

5NC

7NC

8NC

4NC

5NC

7NC

8NC

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Contents

Main Page CONTENTS Page Page Page Preface Audience Purpose Conventions viii ix Page xi Page Related Publications Obtaining Documentation Cisco.com Documentation CD-ROM Ordering Documentation Documentation Feedback Obtaining Technical Assistance Cisco TAC Website Opening a TAC Case TAC Case Priority Definitions Obtaining Additional Publications and Information Page Page Overview Setting up the Switch Features Front-Panel Description Port Numbering 10/100 Ports 10/100/1000 Port 100BASE-FX Port SFP Module Slot SFP Modules Cable Guard LEDs SYST LED STAT, DPLX, SPD, and Port LEDs Page Rear-Panel Description Power Connector Console Port Security Slots Management Options Page Installation Preparing for Installation Warnings 2-2 Installation Guidelines Verifying Package Contents Verifying Switch Operation Installing the Switch Installing the Switch on a Desk (Without Mounting Screws) Installing the Switch on a Desk (With Mounting Screws) Page Installing the Switch Under a Desk Page Installing the Switch on a Wall Page Page Installing the Switch (Magnet Mount) Connecting to an SFP Module Page Connecting to 10/100 Ports and the 10/100/1000 Port Connecting to the 100BASE-FX Port Connecting to an SFP Module Where to Go Next Page Troubleshooting Understanding POST Results Diagnosing Common Problems Page Page Page Page Page A Technical Specifications Page Page Page B Connectors and Cables Connector Specifications 10/100 Ports Page 10/100/1000 Ports Connecting to 10BASE-T and 100BASE-TX Devices Connecting to 1000BASE-T Devices 100BASE-FX Port SFP Module Slot Console Port Cable and Adapter Specifications Two Twisted-Pair Cable Pinouts B-6 Four Twisted-Pair Cable Pinouts for 10/100 Ports Figure B-8 and Figure B-9 show the schematics of four twisted-pair cables f or 10/100 ports. B-7 Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports Cable and Adapter Pinouts Connecting to a PC Connecting to a Terminal Identifying a Rollover Cable Page C Configuring the Switch with the CLI-Based Setup Program Methods for Accessing the CLI Accessing the CLI Through Express Setup (Unconfigured Switch Only) Accessing the CLI Through the Console Port Taking Out What You Need Connecting to a Power Source Connecting to the Console Port Starting the Terminal Emulation Software Entering the Initial Configuration Information IP Settings Completing the Setup Program Page Where to Go Next INDEX Numerics A C D E F G H I J P R S T U V W