Td+ | Cisco Systems 2940 guide

Appendix B Connectors and Cables

Cable and Adapter Specifications

Four Twisted-Pair Cable Pinouts for 10/100 Ports

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

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

Switch

Router or PC

1TPO+ 1 TP1+

2TPO- 2 TP1-

3TP1+ 3 TPO+

6TP1- 6 TPO-

4TP2+ 4 TP3+

5TP2- 5 TP3-

7TP3+ 7 TP2+

8TP3- 8 TP2-

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

SwitchSwitch

1	RD+	1	RD+
2	RD-	2	RD-
3	TD+	3	TD+
6	TD-	6	TD-
4	NC	4	NC
5	NC	5	NC
7	NC	7	NC
8	NC	8	NC

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Catalyst 2940 Switch Hardware Installation Guide

	B-6	OL-6157-01

Image 64

Cisco Systems 2940 manual Four Twisted-Pair Cable Pinouts for 10/100 Ports, Td+

Contents

Catalyst 2940 Switch Hardware Installation Guide Corporate Headquarters Catalyst 2940 Switch Hardware Installation Guide N T E N T S Installation Accessing the CLI Through the Console Port D-2 Contents Catalyst 2940 Hardware Installation Guide Purpose AudienceConventions Bewaar Deze Instructies Warnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla Sicurezza Aviso Instruções Importantes DE Segurança OL-6157-01 GEM Disse Anvisninger Xii Related Publications Obtaining Documentation Cisco.comDocumentation CD-ROM Ordering Documentation Documentation Feedback Obtaining Technical AssistanceCisco TAC Website Opening a TAC Case Obtaining Additional Publications and Information TAC Case Priority Definitions Xvii Xviii Setting up the Switch Features Front-Panel Description 10/100 Ethernet ports 100BASE-FX port SFP module slot Port Numbering 10/100 Ports10/100/1000 Port Port or Slot type Catalyst 2940-8TT-S Catalyst 2940-8TF-S SFP Module Slot 100BASE-FX PortType Cisco Part Number Micron SFP Modules62.5/125 micron 50/125 micron Micron Single-mode Cable Guard LEDs Mode LED Port Mode Description Color System Status Port Mode Color Meaning Power Connector Rear-Panel Description Console Port Security Slots Management Options OL-6157-01 Installation Preparing for Installation Chapter Installation Guidelines Verifying Package Contents Verifying Switch Operation Installing the Switch on a Desk Without Mounting Screws Installing the SwitchInstalling the Switch on a Desk With Mounting Screws Installing the Mounting Screws on Top of a Desk Installing the Switch Under a Desk Mounting the Switch on Top of a Desk Installing the Mounting Screws Under a Desk Installing the Switch on a Wall Mounting the Switch Under a Desk This Side Switch Screw Slides on this way Connecting to an SFP Module Installing the Switch Magnet Mount Connecting to an SFP Module Port Connecting to 10/100 Ports and the 10/100/1000 Port Connecting to a 10/100 Port Connecting to the 100BASE-FX Port 10 Connecting to a 100BASE-FX Port 11 Connecting to an SFP Module Port Where to Go Next Chapter Diagnosing Common Problems Understanding Post Results Symptom Possible Cause Resolution B-5 through No connectivity to SFP Poor performance or excessive System LED is amber OL-6157-01 Physical Dimensions Power RequirementsEnvironmental Ranges Safety Fiber-Port Power Levels 100BASE-FX port Slot1SFP module Table A-3 Catalyst 2940 Switch Agency Approvals OL-6157-01 Connectors and Cables Connector Specifications Figure B-2 10/100 RJ-45 Pinouts Connecting to 10BASE-T and 100BASE-TX Devices 10/100/1000 Ports Figure B-4 MT-RJ Connector Cable and Adapter Specifications Two Twisted-Pair Cable Pinouts Four Twisted-Pair Cable Pinouts for 10/100 Ports TD+ Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports TPO Connecting to a PC Cable and Adapter Pinouts Identifying a Rollover Cable OL-6157-01 Configuring the Switch with the CLI-Based Setup Program Methods for Accessing the CLI Accessing the CLI Through the Console Port Taking Out What You Need Connecting to a Power Source Connecting to the Console Port Figure C-3 Connecting a Switch to a PC Starting the Terminal Emulation Software Entering the Initial Configuration Information IP Settings Completing the Setup Program These choices appear CLI Numerics IN-2 IN-3 IN-4 IN-5 IN-6