Cisco Systems OL-6157-01 manual Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, Tpo

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Appendix B Connectors and Cables

Cable and Adapter Specifications

Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports

Figure B-10and Figure B-11show the schematics of four twisted-pair cables for the 10/100/1000 port.

Figure B-10 Four Twisted-Pair Straight-Through Cable Schematic for 10/100/1000 and 1000BASE-T GBIC Module 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-11 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 and 1000BASE-T GBIC Module Ports

SwitchSwitch

1	TPO+	1	TP0+
2	TPO-	2	TP0-
3	TP1+	3	TP1+
6	TP1-	6	TP1-
4	TP2+	4	TP2+
5	TP2-	5	TP2-
7	TP3+	7	TP3+
8	TP3-	8	TP3-

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Catalyst 2940 Switch Hardware Installation Guide

	OL-6157-01	B-7

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Contents Corporate Headquarters Catalyst 2940 Switch Hardware Installation GuideCatalyst 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 Conventions AudiencePurpose Warnung Wichtige Sicherheitshinweise Bewaar Deze InstructiesAviso Instruções Importantes DE Segurança Avvertenza Importanti Istruzioni Sulla SicurezzaOL-6157-01 GEM Disse Anvisninger Xii Related Publications Cisco.com Obtaining DocumentationDocumentation CD-ROM Ordering DocumentationCisco TAC Website Opening a TAC Case Obtaining Technical AssistanceDocumentation Feedback TAC Case Priority Definitions Obtaining Additional Publications and InformationXvii Xviii Features Setting up the Switch10/100 Ethernet ports 100BASE-FX port SFP module slot Front-Panel Description10/100 Ports Port Numbering10/100/1000 Port Port or Slot type Catalyst 2940-8TT-S Catalyst 2940-8TF-SType Cisco Part Number 100BASE-FX PortSFP Module Slot 62.5/125 micron 50/125 micron Micron Single-mode SFP ModulesMicron LEDs Cable GuardColor System Status Mode LED Port Mode DescriptionPort Mode Color Meaning Rear-Panel Description Power ConnectorSecurity Slots Console PortManagement Options OL-6157-01 Preparing for Installation InstallationChapter Verifying Package Contents Installation GuidelinesVerifying Switch Operation Installing the Switch on a Desk With Mounting Screws Installing the SwitchInstalling the Switch on a Desk Without Mounting Screws Installing the Mounting Screws on Top of a Desk Mounting the Switch on Top of a Desk Installing the Switch Under a DeskInstalling the Mounting Screws Under a Desk Mounting the Switch Under a Desk Installing the Switch on a WallThis Side Switch Screw Slides on this way Installing the Switch Magnet Mount Connecting to an SFP ModuleConnecting to an SFP Module Port Connecting to a 10/100 Port Connecting to 10/100 Ports and the 10/100/1000 Port10 Connecting to a 100BASE-FX Port Connecting to the 100BASE-FX Port11 Connecting to an SFP Module Port Where to Go Next Chapter Understanding Post Results Diagnosing Common ProblemsB-5 through Symptom Possible Cause ResolutionNo connectivity to SFP Poor performance or excessive System LED is amber OL-6157-01 Environmental Ranges Power RequirementsPhysical Dimensions SFP module Fiber-Port Power Levels 100BASE-FX port Slot1Safety Table A-3 Catalyst 2940 Switch Agency Approvals OL-6157-01 Connector Specifications Connectors and CablesFigure B-2 10/100 RJ-45 Pinouts 10/100/1000 Ports Connecting to 10BASE-T and 100BASE-TX DevicesFigure B-4 MT-RJ Connector Two Twisted-Pair Cable Pinouts Cable and Adapter SpecificationsTD+ Four Twisted-Pair Cable Pinouts for 10/100 PortsTPO Four Twisted-Pair Cable Pinouts for 1000BASE-T PortsCable and Adapter Pinouts Connecting to a PCIdentifying a Rollover Cable OL-6157-01 Methods for Accessing the CLI Configuring the Switch with the CLI-Based Setup ProgramTaking Out What You Need Accessing the CLI Through the Console PortConnecting to the Console Port Connecting to a Power SourceStarting the Terminal Emulation Software Figure C-3 Connecting a Switch to a PCIP Settings Entering the Initial Configuration InformationCompleting the Setup Program These choices appear CLI Numerics IN-2 IN-3 IN-4 IN-5 IN-6