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Cisco Systems OL-6157-01 manual Connecting to 10/100 Ports and the 10/100/1000 Port, 2-14

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Connecting to 10/100 Ports and the 10/100/1000 Port

Chapter 2

Installation

Connecting to 10/100 Ports and the 10/100/1000 Port

Connecting to 10/100 Ports and the 10/100/1000 Port

The 10/100 ports configure themselves to operate at the speed and duplex settings of attached devices.They operate at 10 or 100 Mbps in half- or full-duplex mode. If the attached devices do not support autonegotiation, you can explicitly set the speed and duplex parameters.

The 10/100/1000 port on the 2940-8TT-S operates at the speed setting of the attached device. This port operates in half- or full-duplex mode at 10 or 100 Mbps or in full-duplex mode only at 1000 Mbps. If the attached device does not support autonegotiation, you can set the speed.

Connecting a device that does not autonegotiate or a device with manually set speed and duplex parameters can reduce performance or result in link failures between the devices. To maximize performance, choose one of these methods for configuring the ports:

•Let the port autonegotiate both speed and duplex for 10/100 ports and only speed for 10/100/1000 ports.

•Set the speed and duplex parameters on both ends of the connection.

Caution To comply with the intrabuilding lightning surge requirements, intrabuilding wiring must be shielded, and the shield for the wiring must be grounded at both ends.

Follow these steps to connect the switch to 10BASE-T, 100BASE-TX, or 1000BASE-T devices:

Step 1 To prevent electrostatic-discharge (ESD) damage, follow your normal board and component handling procedures.

When connecting to servers, workstations, and routers, insert a twisted-pair straight-through cable in a front-panel RJ-45 connector, as shown in Figure 2-9. When connecting to switches or repeaters, insert a twisted-pair crossover cable. See the “Cable and Adapter Specifications” section on page B-5for cable-pinout descriptions.

Note When connecting to 1000BASE-T devices, be sure to use a four twisted-pair, Category 5 cable.

Figure 2-9 Connecting to a 10/100 Port

SYST STAT DPLX SPD

1x	2x
	2x	3x
		3x	4x
			4x	5x
				5x
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Catalyst 2940 Switch Hardware Installation Guide

2-14	OL-6157-01

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Cisco Systems OL-6157-01 manual Connecting to 10/100 Ports and the 10/100/1000 Port, 2-14

Contents

Catalyst 2940 Switch Hardware Installation Guide NovemberCisco Systems, Inc 170 West Tasman Drive San Jose, CA 800 553-NETS Fax 408Catalyst 2940 Switch Hardware Installation Guide Turn the television or radio antenna until the interference stopsC O N T E N T S PrefacePurpose TAC Case Priority DefinitionsInstallation Where to Go NextTroubleshooting Understanding POST Results Diagnosing Common ProblemsConfiguring the Switch with the CLI-Based Setup Program D-1 Accessing the CLI Through the Console Port D-2IP Settings D-5 Where to Go Next D-8Contents Catalyst 2940 Hardware Installation Guide OL-6157-01Preface AudiencePurpose Conventionsviii Warning IMPORTANT SAFETY INSTRUCTIONSAvvertenza IMPORTANTI ISTRUZIONI SULLA SICUREZZA Preface Conventions Catalyst 2940 Switch Hardware Installation Guide OL-6157-01Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo Preface Conventions Catalyst 2940 Switch Hardware Installation Guide OL-6157-01Related Publications xiiiObtaining Documentation Cisco.comDocumentation CD-ROM Ordering DocumentationObtaining Technical Assistance Documentation FeedbackCisco TAC Website Opening a TAC CaseObtaining Additional Publications and Information TAC Case Priority Definitionsxvii Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URLxviii Catalyst 2940 Switch Hardware Installation GuidePreface Obtaining Additional Publications and Information OL-6157-01Setting up the Switch FeaturesSetting up the Switch, page Features, page Setup Program.”Figure 1-1 and Figure 1-2 show the switches Front-Panel DescriptionPort Numbering 10/100 Ports10/100/1000 Port Port or Slot type100BASE-FX Port SFP Module SlotType Cisco Part NumberSFP Modules Table 1-3 Cabling Stipulations for Fiber-Optic SFP ModulesCable Guard LEDsSYST LED STAT, DPLX, SPD, and Port LEDsMode LED Port ModePort Mode ColorMeaning Table 1-6 Meaning of Port LED Colors in Different ModesPower Connector Rear-Panel Description1-10 Console PortSecurity Slots Management Options 1-111-12 Catalyst 2940 Switch Hardware Installation GuideChapter 1 Overview Management Options OL-6157-01Installation Preparing for InstallationPreparing for Installation, page Verifying Switch Operation, page Installing the Switch, page Connecting to an SFP Module, pageWarning Class 1 laser product. Statement Installation Guidelines Verifying Package ContentsVerifying Switch Operation Table 2-1 MT-RJ Patch Cables for 100BASE-FX ConnectionsInstalling the Switch Installing the Switch on a Desk Without Mounting ScrewsInstalling the Switch on a Desk With Mounting Screws “Installing the Switch Under a Desk” section on pageScrew template Installing the Switch Under a Desk Figure 2-2 Mounting the Switch on Top of a DeskFigure 2-3 Installing the Mounting Screws Under a Desk Installing the Switch on a Wall DesktopSlides on this way Screws2-10 THISSIDE CABLE2-11 Figure 2-6 Installing the Switch On a WallChapter 2 Installation Installing the Switch Catalyst 2940 Switch Hardware Installation Guide2-12 Connecting to an SFP ModuleInstalling the Switch Magnet Mount 2-13 Follow these steps to connect a fiber-optic cable to an SFP moduleConnecting to 10/100 Ports and the 10/100/1000 Port 2-14Figure 2-10 Connecting to a 100BASE-FX Port Connecting to the 100BASE-FX Port2-15 Figure 2-11 Connecting to an SFP Module Port 2-16Connecting to an SFP Module Where to Go Next 2-172-18 Where to Go Next Catalyst 2940 Switch Hardware Installation GuideInstallation ChapterTroubleshooting Diagnosing Common ProblemsUnderstanding POST Results, page Diagnosing Common Problems, page Understanding POST ResultsSpecifications” section on Note See the “Connecting toNo connectivity to 10/100 ports Incorrect or bad cableSwitch placed in error-disabled state after SFPerrdisable recovery cause recovery commanderrors Poor performance or excessiveCabling distance exceeded Bad adapter in attachedSystem LED is amber and all port LEDs areCorrupted software System LED is amberOL-6157-01 Chapter 3 Troubleshooting Diagnosing Common ProblemsCatalyst 2940 Switch Hardware Installation Guide Technical Specifications A P P E N D I X ATable A-3 Catalyst 2940 Switch Agency Approvals Table A-3 Catalyst 2940 Switch Agency Approvals continued Appendix A Technical SpecificationsCatalyst 2940 Switch Hardware Installation Guide EN61000-4-11/IEC1000-4-11 Immunity to VoltageOL-6157-01 Appendix A Technical SpecificationsCatalyst 2940 Switch Hardware Installation Guide Connectors and Cables Connector SpecificationsA P P E N D I X B 10/100 Ports, page B-1 10/100/1000 Ports, page B-3Figure B-2 10/100 RJ-45 Pinouts 10/100/1000 Ports Connecting to 10BASE-T and 100BASE-TX DevicesConnecting to 1000BASE-T Devices Figure B-4 MT-RJ Connector Figure B-5 SFP Module Connector100BASE-FX Port SFP Module SlotCable and Adapter Specifications Two Twisted-Pair Cable PinoutsTwo Twisted-Pair Cable Pinouts, page B-5 Four Twisted-Pair Cable Pinouts for 10/100 Ports, page B-6Four Twisted-Pair Cable Pinouts for 10/100 Ports Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports Cable and Adapter Pinouts Connecting to a PCConnecting to a Terminal Identifying a Rollover Cable B-10 Appendix B Connectors and Cables Cable and Adapter SpecificationsCatalyst 2940 Switch Hardware Installation Guide OL-6157-01Configuring the Switch with the CLI-Based Setup Program Methods for Accessing the CLIMethods for Accessing the CLI, page C-1 Connecting to a Power Source, page C-3Accessing the CLI Through the Console Port Taking Out What You NeedConnecting to a Power Source Connecting to the Console PortStarting the Terminal Emulation Software Entering the Initial Configuration Information IP SettingsCompleting the Setup Program Page Where to Go Next IN-1 NumericsI N D E IN-2 IN-3 software switch management specifications A-1 to A-2speed LED stacking the chassis warningtechnical specifications A-1 to A-2 Telnet, and accessing the CLItemperature terminal, connecting to a switch B-8 to B-9OL-6157-01 IN-6Index Catalyst 2940 Switch Hardware Installation Guide