Cisco Systems 2940 manual Environmental Ranges, Power Requirements, Physical Dimensions

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A P P E N D I X A

Technical Specifications

Table A-1through Table A-3list the technical specifications for the Catalyst 2940 switches.

Table A-1 Technical Specifications for Catalyst 2940 Switches

Environmental Ranges

 

Operating temperature

32 to 113° F (0 to 45° C)

 

 

 

 

Storage temperature

–13 to 158° F (–25 to 70° C)

 

 

 

 

Operating humidity

10 to 85% (noncondensing)

 

 

 

 

Operating altitude

Up to 10,000 ft (3000 m)

 

 

 

 

Storage altitude

Up to 15,000 ft (4570 m)

 

 

 

Power Requirements

 

 

 

 

 

AC input voltage

100 to 240 VAC, 50 to 60 Hz

 

 

 

 

Power consumption

15 W (maximum)

 

 

50 Btus per hour

 

 

 

Physical Dimensions

 

 

 

 

 

Weight

3 lb (1.36 kg)

 

 

 

 

Dimensions

1.55 x 10.6 x 6.42 in.

 

(H x W x D)

(3.94 x 26.92 x 16.3 cm)

 

 

 

Catalyst 2940 Switch Hardware Installation Guide

 

OL-6157-01

A-1

 

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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 Purpose AudienceConventions Warnung Wichtige Sicherheitshinweise Bewaar Deze InstructiesAviso Instruções Importantes DE Segurança Avvertenza Importanti Istruzioni Sulla SicurezzaOL-6157-01 GEM Disse Anvisninger Xii Related Publications Ordering Documentation Obtaining DocumentationCisco.com Documentation CD-ROMDocumentation Feedback Obtaining Technical AssistanceCisco TAC Website Opening a TAC Case 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 DescriptionPort or Slot type Catalyst 2940-8TT-S Catalyst 2940-8TF-S Port Numbering10/100 Ports 10/100/1000 PortSFP Module Slot 100BASE-FX PortType Cisco Part Number Micron SFP Modules62.5/125 micron 50/125 micron Micron Single-mode 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 Without Mounting Screws Installing the SwitchInstalling the Switch on a Desk With 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 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 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
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