Cisco WS-C2950-12 Hardware Installation Manual
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Cisco WS-C2950-12 Hardware Installation Manual

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Catalyst 2950 Desktop Switch
Hardware Installation Guide
July 2002
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel:
408 526-4000
800 553-NETS (6387)
Fax:
408 526-4100
Customer Order Number: DOC-7811157=
Text Part Number: 78-11157-03

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  • Page 1 Catalyst 2950 Desktop Switch Hardware Installation Guide July 2002 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7811157= Text Part Number: 78-11157-03...
  • Page 2 You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
  • Page 3 Breakthrough, iQ Expertise, iQ FastTrack, the iQ Logo, iQ Net Readiness Scorecard, Networking Academy, ScriptShare, SMARTnet, TransPath, and Voice LAN are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, Discover All That’s Possible, The Fastest Way to Increase Your Internet Quotient, and iQuick Study are service marks of Cisco Systems, Inc.;...

  • Page 5: Table Of Contents

    C O N T E N T S Cisco Limited Lifetime Hardware Warranty Terms Preface Audience Purpose Organization Conventions Related Publications Obtaining Documentation World Wide Web Documentation CD-ROM Ordering Documentation Documentation Feedback Obtaining Technical Assistance xxii Cisco.com xxii Technical Assistance Center...
  • Page 6 Port Mode and Port Status LEDs 1-13 Rear-Panel Description 1-20 Power Connectors 1-22 Internal Power Supply Connector 1-22 DC Power Connector 1-22 Cisco RPS Connector 1-23 Console Port 1-23 Management Options 1-23 Installation C H A P T E R Preparing for Installation Warnings EMC Regulatory Statements U.S.A.
  • Page 7 Contents Installing the GBIC Modules 2-20 Powering On the Switch 2-22 Connecting to DC Power 2-23 Preparing for Installation 2-23 Grounding the Switch 2-24 Wiring the DC-Input Power Source 2-26 Running POST 2-32 Connecting to 10/100 and 10/100/1000 Ports 2-33 Connecting to 100BASE-FX and 1000BASE-SX Ports 2-37 Connecting to GBIC Module Ports...
  • Page 8 Connecting to a Terminal B-11 Identifying a Rollover Cable B-12 Translated Safety Warnings A P P E N D I X Attaching the Cisco RPS (model PWR300-AC-RPS-N1) Lightning Activity Warning Installation Warning Main Disconnecting Device Chassis Warning—Rack-Mounting and Servicing Overtemperature Warning...
  • Page 9 Contents Laser Beam Exposure Warning C-22 Catalyst 2950G-24-EI-DC Service Requirement C-23 Restricted Area Equipment Installation C-24 Ethernet Cable Shielding in Offices C-25 DC Power Disconnection Warning C-26 Exposed DC Power Wire Warning C-29 Service Personnel Warning C-30 N D E X Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...
  • Page 10 Contents Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 11: Cisco Limited Lifetime Hardware Warranty Terms

    There are special terms applicable to your hardware warranty as well as services you may use during the warranty period. Your formal Warranty Statement, including the warranty applicable to Cisco software, appears in the CD which accompanies your Cisco Product. Follow these steps to access and download the Cisco Information Packet and your warranty document from the CD or from Cisco.com.
  • Page 12 (5) years from the announcement of discontinuance. Replacement, Repair or Refund Procedure for Hardware Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten (10) working days after receipt of the RMA request.
  • Page 13 Cisco Limited Lifetime Hardware Warranty Terms Complete the information below and keep for ready reference. Product purchased from: Their telephone number: Product Model and Serial number: Maintenance Contract number: Catalyst 2950 Desktop Switch Hardware Installation Guide xiii 78-11157-03...
  • Page 14 Cisco Limited Lifetime Hardware Warranty Terms Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 15: Preface

    Preface Audience This guide is for the networking or computer technician responsible for installing a Catalyst 2950 switch, hereafter referred to as the switch. We assume that you are familiar with the concepts and terminology of Ethernet and local area networking. Purpose This guide describes the hardware features of Catalyst 2950 switch.

  • Page 16: Organization

    Preface Organization Organization This guide is organized into these chapters: Chapter 1, “Overview,” describes the switch ports, the standards that they support, and the LEDs. Chapter 2, “Installation,” contains the procedures for installing a switch on a rack, table, shelf, or desk. It also describes how to install Gigabit Interface Converter (GBIC) modules, how to power the switch, and how to make port connections.
  • Page 17 Preface Conventions Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
  • Page 18 Preface Conventions Warnung Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. (Übersetzungen der in dieser Veröffentlichung enthaltenen Warnhinweise finden Sie im Anhang mit dem Titel C “Translated Safety Warnings”...

  • Page 19: Related Publications

    These documents provide complete information about the switch and are available from this URL: http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2950/index.htm You can order printed copies of documents with a DOC-xxxxxx= number from the Cisco.com sites and from the telephone numbers listed in the “Ordering Documentation” section on page xxi.

  • Page 20: Obtaining Documentation

    The following sections provide sources for obtaining documentation from Cisco Systems. World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following URL: http://www.cisco.com Translated documentation is available at the following URL: http://www.cisco.com/public/countries_languages.shtml...

  • Page 21: Documentation Cd-Rom

    800 553-NETS (6387). Documentation Feedback If you are reading Cisco product documentation on the World Wide Web, you can send us your comments by completing the online survey. When you display the document listing for this platform, click Give Us Your Feedback. After you display the survey, select the manual that you wish to comment on.

  • Page 22: Obtaining Technical Assistance

    Cisco TAC website. Cisco.com Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information, networking solutions, services, programs, and resources at any time, from anywhere in the world.

  • Page 23: Technical Assistance Center

    No workaround is available. Which Cisco TAC resource you choose is based on the priority of the problem and the conditions of service contracts, when applicable. Cisco TAC Website...

  • Page 24: Cisco Tac Escalation Center

    Obtaining Technical Assistance If you cannot resolve your technical issues by using the Cisco TAC website, and you are a Cisco.com registered user, you can open a case online by using the TAC Case Open tool at the following URL: http://www.cisco.com/tac/caseopen...

  • Page 25: Overview

    C H A P T E R Overview This chapter provides information about these topics: Features, page 1-1 • • Front-Panel Description, page 1-3 Rear-Panel Description, page 1-20 • Management Options, page 1-23 • Features The Catalyst 2950 switches are stackable Ethernet switches to which you can connect workstations and other network devices, such as servers, routers, and other switches.
  • Page 26 Chapter 1 Overview Features Catalyst 2950G-12-EI—12 10/100 Ethernet ports and 2 Gigabit Interface – Converter (GBIC) module slots Catalyst 2950G-24-EI—24 10/100 Ethernet ports and 2 GBIC module – slots Catalyst 2950G-24-EI-DC—24 10/100 Ethernet ports and 2 GBIC – module slots with direct current (DC)-input power Catalyst 2950G-48-EI—48 10/100 Ethernet ports and 2 GBIC module –...

  • Page 27: Front-Panel Description

    Front-Panel Description Power redundancy • – Connection for an optional Cisco RPS 300 Redundant Power System (RPS) that uses alternating current (AC) input and supplies DC output to the switch Front-Panel Description The switch front panel contains the ports, the LEDs, and the Mode button.
  • Page 28 Chapter 1 Overview Front-Panel Description Figure 1-3 Catalyst 2950C-24 Switch SYS T STA T UTI L DU PLX SPE ED 10 BA SE -T / 10 0B MO DE 10 x AS E- TX 11 x 12 x 13 x 14 x 15 x 16 x...
  • Page 29 Chapter 1 Overview Front-Panel Description Figure 1-6 Catalyst 2950G-24-EI-DC Switch SYS T STA T UTI L DU PLX SPE ED MO DE Ca ta ly st 29 SER IES 10/100 ports GBIC module slots Figure 1-7 Catalyst 2950G-48-EI Switch SYS T STA T UTI L DU PLX...

  • Page 30: 10/100 Ports

    Chapter 1 Overview Front-Panel Description Figure 1-9 Catalyst 2950T-24 Switch SYS T STA T UTI L DU PLX SPE ED 10 Ba se -T / 10 0B as MO DE 10 x e-T X 11 x 12 x 13 x 14 x 15 x 16 x...

  • Page 31: 10/100/1000 Ports

    Chapter 1 Overview Front-Panel Description When set for autonegotiation, a port senses the speed and duplex settings of the attached device and advertises its own capabilities. If the attached device supports autonegotiation, the port negotiates the best connection (that is, the fastest line speed that both devices support and full-duplex transmission, if the attached device supports it) and configures itself accordingly.

  • Page 32: 100Base-Fx And 1000Base-Sx Ports

    You can connect a 100BASE-FX or 1000BASE-SX port to an SC or ST port on a target device by using one of the MT-RJ fiber-optic patch cables listed in Table 1-1. Use the Cisco part numbers in Table 1-1 to order the patch cables that you need.

  • Page 33: Leds

    ID, security code, or CRC is invalid, the switch places the interface in an error-disabled state. If you are using a non-Cisco approved GBIC module, remove the GBIC module Note from the switch, and replace it with a Cisco-approved module.

  • Page 34: System Led

    Chapter 1 Overview Front-Panel Description Figure 1-10 LEDs on Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches Port status LEDs System S Y S T R P S Port mode S T A T LEDs U T IL D U P L X S P E E D M O D E Mode button...
  • Page 35 Chapter 1 Overview Front-Panel Description Figure 1-11 LEDs on Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC Switches Port status LEDs System S Y S T R P S Port mode LEDs S T A T U T IL D U P L X S P E E D 1 1 X M O D E...
  • Page 36 Chapter 1 Overview Front-Panel Description Figure 1-12 LEDs on Catalyst 2950G-48-EI Switches Port status LEDs System S Y S T R P S S T A T U T IL D U P L X Port S P E E D mode 1 5 X LEDs...

  • Page 37: Rps Led

    Flashing amber The internal power supply in a switch has failed, and the RPS is providing power to the switch (redundancy has been allocated to this device). For more information about the Cisco RPS 300, refer to the Cisco RPS 300 Redundant Power System Hardware Installation Guide. Port Mode and Port Status LEDs Each port has a port status LED, also called a port LED.
  • Page 38 Chapter 1 Overview Front-Panel Description Table 1-4 Port Mode LEDs Mode LED Port Mode Description STAT Port status The port status. This is the default mode. UTIL Switch utilization The current bandwidth in use by the switch. DUPLX Port duplex mode The port duplex mode: half duplex or full duplex.
  • Page 39 Chapter 1 Overview Front-Panel Description Figure 1-14 Changing the Port Mode on Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC Switches S Y S T R P S S T A T U T IL D U P L X S P E E D 1 1 X M O D E 1 2 X...
  • Page 40 Chapter 1 Overview Front-Panel Description Figure 1-15 Changing the Port Mode on Catalyst 2950G-48-EI Switches S Y S T R P S S T A T U T IL D U P L X S P E E D 1 5 X M O D E Mode button 1 6 X...
  • Page 41 Chapter 1 Overview Front-Panel Description When you change the port mode, the meanings of the port LED colors change. Table 1-5 explains how to interpret these colors. Table 1-5 Meaning of Port LED Colors in Different Modes Port Mode Color Meaning STAT (port status) No link.
  • Page 42 Chapter 1 Overview Front-Panel Description Table 1-5 Meaning of Port LED Colors in Different Modes (continued) Port Mode Color Meaning SPEED (speed) 10/100 ports Port is operating at 10 Mbps. Green Port is operating at 100 Mbps. 10/100/1000 ports Port is operating at 10 Mbps. Green Port is operating at 100 Mbps.
  • Page 43 Chapter 1 Overview Front-Panel Description If all LEDs on Catalyst 2950G-48-EI switches are green (no amber showing), the switch is using 50 percent or more of the total bandwidth. If the LED for GBIC module slot 2 is off, the switch is using more than 25 but less than 50 percent of the total bandwidth.

  • Page 44: Rear-Panel Description

    Chapter 1 Overview Rear-Panel Description Figure 1-18 Bandwidth Utilization on Catalyst 2950G-24-EI and 2950G-24-EI-DC Switches Catalyst 2950 11 12 13 14 15 16 17 18 19 20 21 22 23 24 SYST STAT UTIL DUPLX SPEED < 25% + 25% – 49% + 50% + Figure 1-19 Bandwidth Utilization on Catalyst 2950G-48-EI Switches Catalyst 2950...
  • Page 45 Chapter 1 Overview Rear-Panel Description Figure 1-20 Catalyst 2950 Switch Rear Panel R AT IN G D C IN PU 10 0- 12 7V T FO R R EM O TE PO W ER @ 1A SU PP LY SP EC IF 20 0- 24 0V IE D IN M AN UA L.

  • Page 46: Power Connectors

    Power Connectors You can provide power to a switch by using the AC internal power supply, the DC-input power source, or the Cisco RPS. Internal Power Supply Connector The internal AC power supply is an autoranging unit that supports input voltages between 100 and 240 VAC.

  • Page 47: Cisco Rps Connector

    Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the RPS Warning receptacle. For more information about the Cisco RPS 300, refer to the documentation that came with the RPS 300. Console Port You can connect a switch to a PC through the console port and the supplied RJ-45-to-DB-9 adapter cable.
  • Page 48 SNMP application. • Cisco Intelligence Engine 2100 (IE2100) The Cisco IE200 Series Configuration Registrar is a network management • device that works with embedded Cisco Networking Services (CNS) agents in the switch software. You can automate initial configurations and...

  • Page 49: Installation

    C H A P T E R Installation This chapter describes how to install your switch, interpret the power-on self-test (POST), and connect the switch to other devices. Read these topics and perform the procedures in this order: Preparing for Installation, page 2-2 •...

  • Page 50: Preparing For Installation

    Chapter 2 Installation Preparing for Installation Preparing for Installation This section provides information about these topics: • Warnings, page 2-2 EMC Regulatory Statements, page 2-4 • • Installation Guidelines, page 2-6 Verifying Package Contents, page 2-7 • Warnings These warnings are translated into several languages in Appendix C, “Translated Safety Warnings.”...
  • Page 51 Do not work on the system or connect or disconnect cables during periods of lightning activity. Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Warning Attach only the Cisco RPS (model PWR300-AC-RPS-N1) to the RPS receptacle. Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 52: Emc Regulatory Statements

    Chapter 2 Installation Preparing for Installation Class 1 laser product Warning Warning Avoid exposure to the laser beam. EMC Regulatory Statements This section includes specific regulatory statements about the Catalyst 2950 switches. U.S.A. U.S. regulatory information for this product is in the front matter of this manual. Taiwan This is a Class A Information product.

  • Page 53: Japan

    Chapter 2 Installation Preparing for Installation Japan This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions.

  • Page 54: Hungary

    Chapter 2 Installation Preparing for Installation Hungary This equipment is a Class A product and should be used and installed properly according to the Hungarian EMC Class A requirements (MSZEN55022). Class A equipment is designed for typical commercial establishments for which special conditions of installation and protection distance are used.

  • Page 55: Verifying Package Contents

    Carefully remove the contents from the shipping container, and check each item Note for damage. If any item is missing or damaged, contact your Cisco representative or reseller for support. Return all packing materials to the shipping container and save them.
  • Page 56 One RJ-45-to-DB-9 adapter cable • Cisco Information Packet, containing safety and support information If you want to connect a terminal to the switch console port, you need to provide an RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number ACS-DSBUASYN=) with that adapter from Cisco.

  • Page 57: Installing The Switch In A Rack

    You can connect a 100BASE-FX or 1000BASE-SX port to an SC or ST port on a target device by using one of the MT-RJ fiber-optic patch cables listed in Table 2-1. Use the Cisco part numbers in Table 2-1 to order the patch cables that you need.

  • Page 58: Attaching The Brackets To The Switch

    You can order a kit containing the 23-inch or 24-inch rack-mounting brackets and hardware from Cisco (part number RCKMNT-1RU=). Attaching the Brackets to the Switch The bracket orientation and the screws that you use depend on whether you are attaching the brackets to a 19-, 23-, or 24-inch rack.
  • Page 59 Chapter 2 Installation Installing the Switch in a Rack Figure 2-1 Attaching Brackets on the Switch in a 19-Inch Rack (Front Panel Forward) S Y S T R P S S TA T U T IL D U P L X S P E E D M O D E Number-8...
  • Page 60 Chapter 2 Installation Installing the Switch in a Rack Figure 2-3 Attaching Brackets on the Switch in a 19-Inch Telco Rack C O N S O Number-8 Phillips flat-head screws Figure 2-4 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 19-Inch Rack (Front Panel Forward) S Y S T R P S...
  • Page 61 Chapter 2 Installation Installing the Switch in a Rack Figure 2-5 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 19-Inch Rack (Rear Panel Forward) C O N S O Number-8 Phillips flat-head screws Figure 2-6 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 19-Inch Telco Rack C O N S O Number-8 Phillips...
  • Page 62 Chapter 2 Installation Installing the Switch in a Rack Figure 2-7 Attaching Brackets on the Catalyst 2950G-24-EI-DC Switch in a 23-Inch Telco Rack (Front Panel Forward) S Y S T R P S S TA T U T IL D U P LX S P E E D 11 X M O D E...
  • Page 63 Chapter 2 Installation Installing the Switch in a Rack Figure 2-9 Attaching Brackets on the Catalyst 2950G-24-EI-DC Switch in a 23-Inch Telco Rack C O N S O Number-8 Phillips truss-head screws Figure 2-10 Attaching Brackets on the Switch in a 24-Inch Rack (Front Panel Forward) S Y S T R P S...
  • Page 64 Chapter 2 Installation Installing the Switch in a Rack Figure 2-11 Attaching Brackets on the Switch in a 24-Inch Rack (Rear Panel Forward) C O N S O Number-8 Phillips truss-head screws Catalyst 2950 Desktop Switch Hardware Installation Guide 2-16 78-11157-03...
  • Page 65 Chapter 2 Installation Installing the Switch in a Rack Figure 2-12 Attaching Brackets on the Switch in a 24-Inch Telco Rack C O N S O Number-8 Phillips truss-head screws Figure 2-13 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 24-Inch Rack (Front Panel Forward) SY ST RP S...
  • Page 66 Chapter 2 Installation Installing the Switch in a Rack Figure 2-14 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 24-Inch Rack (Rear Panel Forward) C O N S O Phillips flat-head screws Figure 2-15 Attaching Brackets on the Catalyst 2950G-48-EI Switch in a 24-Inch Telco Rack C at al ys t 29 SE RIE S...

  • Page 67: Mounting The Switch In A Rack

    Chapter 2 Installation Installing the Switch in a Rack Mounting the Switch in a Rack After attaching the brackets, use the four Phillips machine screws to securely attach the brackets to the rack, as shown in Figure 2-16. To prevent the cables from obscuring the switch and other devices in the rack, you can also attach the cable guide to the rack.

  • Page 68: Installing The Switch On A Table, Shelf, Or Desk

    Chapter 2 Installation Installing the Switch on a Table, Shelf, or Desk Figure 2-17 Attaching the Cable Guide SYS T STA T UTIL DUP LX SPE ED 10 Ba se- T / 10 0B MOD E 10 x ase -TX 11 x 12 x 13 x...
  • Page 69 Chapter 2 Installation Installing the GBIC Modules Caution To prevent electrostatic-discharge (ESD) damage when installing GBIC modules, follow your normal board and component handling procedures. Figure 2-18 Installing a 1000BASE-X GBIC Module in a Switch Metal flap door C at al y st 2 9 5 0 SE RIE S GBIC module slot...

  • Page 70: Powering On The Switch

    If you are using an RPS, refer to the documentation that came with your RPS for installation instructions. Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the RPS Warning receptacle. For POST information, see the “Running POST”...

  • Page 71: Connecting To Dc Power

    The Catalyst 2950G-24-EI-DC contains no field-replaceable units (FRUs). Do not Warning open the chassis or attempt to remove or replace any components. For information about obtaining service for this unit, contact your reseller or Cisco sales representative. The equipment is to be installed in a restricted access area.

  • Page 72: Grounding The Switch

    Chapter 2 Installation Connecting to DC Power Grounding the Switch This equipment is intended to be grounded. Ensure that the host is connected to Warning earth ground during normal use. When installing the unit, always make the ground connection first and Warning disconnect it last.
  • Page 73 Chapter 2 Installation Connecting to DC Power Using a Panduit crimping tool, crimp the ground lug to the 6-gauge wire. Step 4 Figure 2-22 Crimping the Ground Lug Use the two number-10-32 screws to attach the ground lug and wire assembly to Step 5 the switch rear panel.

  • Page 74: Wiring The Dc-Input Power Source

    Chapter 2 Installation Connecting to DC Power Figure 2-23 Torquing Ground-Lug Screws 36 - 72 V D C IN PU 1 - 0. 5A T FO R R PO W ER EM O TE SU PP LY SP EC IF IE D IN M AN UA L.
  • Page 75 Chapter 2 Installation Connecting to DC Power Caution You must connect the Catalyst 2950G-24-EI-DC switch only to a DC-input power source that has an input supply voltage from –36 to –72 VDC. If the supply voltage is not in this range, the switch might not operate properly or might be damaged.
  • Page 76 Chapter 2 Installation Connecting to DC Power Identify the positive and negative feed positions for the terminal block Step 2 connection. The wiring sequence is positive to positive and negative to negative for both the A and the B feed wires. The switch rear panel identifies the positive and negative positions for both the A and B feed wires.
  • Page 77 Chapter 2 Installation Connecting to DC Power An exposed wire lead from a DC-input power source can conduct harmful levels Warning of electricity. Be sure that no exposed portion of the DC-input power source wire extends from the terminal block plug. Figure 2-27 Inserting Wires in the Terminal Block Plug Return Feed A...
  • Page 78 Chapter 2 Installation Connecting to DC Power Figure 2-28 Torquing the Terminal-Block Captive Screws Torque to 4.5 lbf-in. (72 ozf-in.) Catalyst 2950 Desktop Switch Hardware Installation Guide 2-30 78-11157-03...
  • Page 79 Chapter 2 Installation Connecting to DC Power Repeat Steps 4 and 5 for the remaining three DC-input power source wires. Step 6 Figure 2-29 shows the completed wiring of a terminal block plug. Figure 2-29 Completed Wiring of Terminal Block Plug Return Feed A Negative...

  • Page 80: Running Post

    If POST fails, the LED turns amber. See Chapter 3, “Troubleshooting,” determine a corrective action. Note POST failures are usually fatal. Call Cisco Systems immediately if your switch does not pass POST. Catalyst 2950 Desktop Switch Hardware Installation Guide 2-32...

  • Page 81: Connecting To 10/100 And 10/100/1000 Ports

    Chapter 2 Installation Connecting to 10/100 and 10/100/1000 Ports Connecting to 10/100 and 10/100/1000 Ports 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.
  • Page 82 Chapter 2 Installation Connecting to 10/100 and 10/100/1000 Ports Follow these steps to connect the switch to 10BASE-T, 100BASE-TX, or 1000BASE-T devices: Caution 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 Step 1 straight-through cable in a front-panel RJ-45 connector, as shown in Figure...
  • Page 83 Chapter 2 Installation Connecting to 10/100 and 10/100/1000 Ports Figure 2-32 Connecting to a Port on Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC Switches S Y S T R P S S T A T U T IL D U P L X S P E E D 1 1 X M O D E...
  • Page 84 Chapter 2 Installation Connecting to 10/100 and 10/100/1000 Ports Figure 2-33 Connecting to a Port on Catalyst 2950G-48-EI Switches S Y S T R P S S T A T U T IL D U P L X S P E E D 1 5 X M O D E 1 6 X...

  • Page 85: Connecting To 100Base-Fx And 1000Base-Sx Ports

    You can connect a 100BASE-FX or 1000BASE-SX port to an SC or ST port on another device by using one of the MT-RJ fiber-optic patch cables listed in Table 2-1. Use the Cisco part numbers in Table 2-1 to order the patch cables that you need.

  • Page 86: Connecting To Gbic Module Ports

    Chapter 2 Installation Connecting to GBIC Module Ports Insert the other cable end in an SC or ST port on the target device. Step 3 Step 4 Observe the port status LED. The LED turns green when the switch and the target device have an established link.

  • Page 87: Connecting To 1000Base-X Gbic Module Ports

    Chapter 2 Installation Connecting to GBIC Module Ports When connecting the ports on the Catalyst 2950G-24-EI-DC switches to other devices, follow these guidelines: 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.
  • Page 88 Chapter 2 Installation Connecting to GBIC Module Ports Figure 2-35 Connecting to a 1000 BASE-X GBIC Port C a ta ly s t 2 9 5 0 S E R IE S Insert the other cable end in a fiber-optic receptacle on a target device. Step 3 Step 4 Observe the port status LED.

  • Page 89: Connecting To 1000Base-T Gbic Module Ports

    Chapter 2 Installation Connecting to GBIC Module Ports Connecting to 1000BASE-T GBIC Module Ports After installing the 1000BASE-T GBIC in the GBIC module slot, follow these steps: Caution To prevent ESD damage, follow your normal board and component handling procedures. When connecting to servers, workstations, and routers, insert a four twisted-pair, Step 1 straight-through cable in the RJ-45 connector.

  • Page 90: Connecting To Gigastack Gbic Module Ports

    Chapter 2 Installation Connecting to GBIC Module Ports Observe the port status LED. Step 3 The LED turns green when the switch and the target device have an established link. The LED turns amber while STP discovers the network topology and searches for loops.

  • Page 91: Connecting A Pc Or A Terminal To The Console Port

    If you want to connect a terminal to the console port, you need to provide an RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number ACS-DSBUASYN=) with that adapter from Cisco. For console-port and adapter-pinout information, see the“Cable and Adapter Specifications”...
  • Page 92 Chapter 2 Installation Connecting a PC or a Terminal to the Console Port After gaining access to the switch, you can change the port baud rate. Refer to the switch software configuration guide for instructions. Insert the adapter cable in the console port, as shown in Figure 2-38, Figure 2-39, Step 3...

  • Page 93: Where To Go Next

    Chapter 2 Installation Where to Go Next Figure 2-40 Connecting to a Console Port Only on Catalyst 2950G-48-EI Switches R AT IN G D C IN PU 10 0- 12 7V T FO R R PO W ER EM O TE @ 1A SU PP LY SP EC IF...
  • Page 94 Chapter 2 Installation Where to Go Next Catalyst 2950 Desktop Switch Hardware Installation Guide 2-46 78-11157-03...

  • Page 95: Troubleshooting

    1-9. You can also get statistics from the Cluster Management Suite (CMS), the command-line interface (CLI), the Cisco Intelligence Engine 2100 (IE2100) Series Configuration Registrar, or a Simple Network Management Protocol (SNMP) workstation. Refer to the switch software configuration guide, the switch command reference, or the documentation that came with your IE2100 or SNMP application for details.

  • Page 96: Chapter 3 Troubleshooting

    When the switch begins POST, the system LED is off. If POST completes successfully, the LED turns green. If POST fails, the LED turns amber. POST failures are usually fatal. Call Cisco Systems if your switch does not pass Note POST.
  • Page 97 Chapter 3 Troubleshooting Diagnosing Problems Table 3-1 Common Problems and Solutions Symptom Possible Cause Resolution Poor performance or Duplex autonegotiation mismatch. Refer to the switch software excessive errors. configuration guide for information about identifying autonegotiation mismatches. Cabling distance exceeded. Port statistics show excessive Refer to the switch software •...
  • Page 98 Chapter 3 Troubleshooting Diagnosing Problems Table 3-1 Common Problems and Solutions (continued) Symptom Possible Cause Resolution No connectivity. Incorrect or bad cable. No link at both ends. A crossover cable was used For the correct pinouts and • • when a straight-through was the proper application of required, or vice-versa.
  • Page 99 Use the show post detected. privileged EXEC command to see which POST test failed. Switch placed in Bad or non-Cisco-approved GBIC Remove GBIC module from the error-disabled state after module. switch, and replace it with a GBIC module is inserted Cisco-approved module.
  • Page 100 Chapter 3 Troubleshooting Diagnosing Problems Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 101: Appendix

    Storage altitude Up to 15,000 ft (4570 m) Power Requirements AC input voltage 100 to 127/200 to 240 VAC (autoranging) 50 to 60 Hz DC input voltages for the Cisco +12V @4.5A RPS 300 Redundant Power System (RPS) Power consumption...
  • Page 102 50 to 60 Hz 50 to 60 Hz DC input +12V @4.5A +12V @4.5A voltage for the Cisco RPS 300 Power 30W (maximum) 45W (maximum) consumption 102 Btus per hour 154 Btus per hour Catalyst 2950 Desktop Switch Hardware Installation Guide...

  • Page 103: Appendix A Technical Specification

    Appendix A Technical Specifications Table A-2 Technical Specifications for Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-48-EI Switches (continued) Catalyst 2950G-12-EI and Catalyst 2950G-48-EI 2950G-24-EI Switches Switch Physical Dimensions Weight 6.5 lb (3 kg) 10.5 lb (4.8 kg) Dimensions 1.72 x 17.5 x 9.52 in. 1.72 x 17.5 x 13 in.
  • Page 104 Appendix A Technical Specifications Table A-4 Fiber-Port Specifications for Catalyst 2950C-24 and Catalyst 2950SX-24 Switches Fiber-Port Power Levels Catalyst 2950C-24 Catalyst 2950SX-24 Optical transmitter 1300 nm 850 nm wavelength Optical receiver –34.5 to 31.8 dBm –13.5 dBm sensitivity Optical transmitter power –23.5 to –14 dBm –9.5 to –4 dBm for 50/125-micron...
  • Page 105 Appendix A Technical Specifications Table A-6 Catalyst 2950G-24-EI-DC Switch Agency Approvals NEBS Bellcore GR-1089-CORE Bellcore GR-63-CORE Bellcore SR-3580 Level 3 Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...
  • Page 106 Appendix A Technical Specifications Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 107: Appendix

    A P P E N D I X Connectors and Cables This appendix describes the connectors, cables, and adapters that you use to connect the switch to other devices. Connector Specifications These sections describe the connectors used with the Catalyst 2950 switches and contains this information: 10/100 Ports, page B-1 •...
  • Page 108 Appendix B Connectors and Cables Connector Specifications When connecting 10/100 ports to other devices, such as servers, workstations, and routers, you can use a two or four twisted-pair, straight-through cable wired for 10BASE-T and 100BASE-TX. Figure B-6 shows the two twisted-pair, straight-through cable schematics.

  • Page 109: 10/100/1000 Ports

    Appendix B Connectors and Cables Connector Specifications 10/100/1000 Ports The 10/100/1000 Ethernet ports on Catalyst 2950T-24 switches use standard RJ-45 connectors. Figure B-2 shows the pinout. Connecting to 10BASE-T and 100BASE-TX Devices When connecting the ports to 10BASE-T and 100BASE-TX devices, such as servers, workstations, and routers, you can use a two or four twisted-pair, straight-through cable wired for 10BASE-T and100BASE-TX.

  • Page 110: 100Base-Fx And 1000Base-Sx Ports

    You can connect a 100BASE-FX or 1000BASE-SX port to an SC or ST port on a target device by using one of the MT-RJ fiber-optic patch cables listed in Table B-1. Use the Cisco part numbers in Table B-1 to order the patch cables that you need.

  • Page 111: 1000Base-X Gbic Module Ports

    Appendix B Connectors and Cables Connector Specifications Table B-1 MT-RJ Patch Cables for 100BASE-FX and 1000BASE-SX Connections Type Cisco Part Number 1-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-1M 3-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-3M 5-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-5M 1-meter, MT-RJ-to-ST multimode cable...

  • Page 112: Gigastack Gbic Module Ports

    RJ-45-to-DB-9 adapter cable. If you want to connect a switch to a terminal, you need to provide an RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number ACS-DSBUASYN=) with that adapter from Cisco. For console-port and adapter-pinout information, see Table B-2 Table B-3.

  • Page 113: Cable And Adapter Specifications

    Appendix B Connectors and Cables Cable and Adapter Specifications Cable and Adapter Specifications These sections describe the cables and adapters used with Catalyst 2950 switches. • Two Twisted-Pair Cable Pinouts, page B-7 Four Twisted-Pair Cable Pinouts for 10/100 Ports, page B-8 •...
  • Page 114 Appendix B Connectors and Cables Cable and Adapter Specifications Four Twisted-Pair Cable Pinouts for 10/100 Ports Figure B-8 Figure B-9 show 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 Switch 1 RD+...

  • Page 115: Four Twisted-Pair Cable Pinouts For 1000Base-T Ports

    Appendix B Connectors and Cables Cable and Adapter Specifications Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports Figure B-10 Figure B-11 show the schematics of four twisted-pair cables for 10/100/1000 ports on Catalyst 2950T-24 switches and 1000BASE-T GBIC module ports. Figure B-10 Four Twisted-Pair Straight-Through Cable Schematic for 10/100/1000 and 1000BASE-T GBIC Module Ports Switch Switch...

  • Page 116: Cable And Adapter Pinouts

    Appendix B Connectors and Cables Cable and Adapter Specifications Cable and Adapter Pinouts This section describes the cable and adapter pinouts and also describes how to identify a rollover cable. Connecting to a PC Use the supplied RJ-45-to-DB-9 adapter cable to connect the console port to a PC running terminal-emulation software.

  • Page 117: Connecting To A Terminal

    RJ-45-to-DB-25 adapter. The RJ-45-to-DB-25 female DTE adapter is not supplied with the switch. You can Note order a kit (part number ACS-DSBUASYN=) with that adapter from Cisco. Figure B-13 Connecting the Console Port to a Terminal Terminal...

  • Page 118: Identifying A Rollover Cable

    Appendix B Connectors and Cables Cable and Adapter Specifications Identifying a Rollover Cable You can identify a rollover cable by comparing the two modular cable ends. Hold the cable ends side-by-side, with the tab at the back. The wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug.

  • Page 119: Appendix

    A P P E N D I X Translated Safety Warnings This appendix repeats in multiple languages the warnings in this guide. These translated warnings can be used with other documents related to this guide. Catalyst 2950 Desktop Switch Hardware Installation Guide 78-11157-03...

  • Page 120: Appendix C Translated Safety Warning

    Translated Safety Warnings Attaching the Cisco RPS (model PWR300-AC-RPS-N1) Attaching the Cisco RPS (model PWR300-AC-RPS-N1) Warning Attach only the Cisco RPS (model PWR300-AC-RPS-N1) to the RPS receptacle. Waarschuwing: Slechts de Cisco RPS (model PWR300-AC-RPS-N1) aan de RPS contactdoos verbinden. Varoitus Kiinnitä...

  • Page 121: Lightning Activity Warning

    Appendix C Translated Safety Warnings Lightning Activity Warning Lightning Activity Warning Do not work on the system or connect or disconnect cables during periods of Warning lightning activity. Waarschuwing Tijdens onweer dat gepaard gaat met bliksem, dient u niet aan het systeem te werken of kabels aan te sluiten of te ontkoppelen.

  • Page 122: Installation Warning

    Appendix C Translated Safety Warnings Installation Warning Installation Warning Read the installation instructions before you connect the system to its power Warning source. Waarschuwing Raadpleeg de installatie-aanwijzingen voordat u het systeem met de voeding verbindt. Varoitus Lue asennusohjeet ennen järjestelmän yhdistämistä virtalähteeseen.

  • Page 123: Main Disconnecting Device

    Appendix C Translated Safety Warnings Main Disconnecting Device Main Disconnecting Device The plug-socket combination must be accessible at all times because it Warning serves as the main disconnecting device. Waarschuwing De combinatie van de stekker en het elektrisch contactpunt moet te allen tijde toegankelijk zijn omdat deze het hoofdmechanisme vormt voor verbreking van de aansluiting.

  • Page 124: Chassis Warning-Rack-Mounting And Servicing

    Appendix C Translated Safety Warnings Chassis Warning—Rack-Mounting and Servicing Chassis Warning—Rack-Mounting and Servicing To prevent bodily injury when mounting or servicing this unit in a rack, you Warning must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety: •...
  • Page 125 Appendix C Translated Safety Warnings Chassis Warning—Rack-Mounting and Servicing Varoitus Kun laite asetetaan telineeseen tai huolletaan sen ollessa telineessä, on noudatettava erityisiä varotoimia järjestelmän vakavuuden säilyttämiseksi, jotta vältytään loukkaantumiselta. Noudata seuraavia turvallisuusohjeita: Jos telineessä ei ole muita laitteita, aseta laite telineen alaosaan. •...
  • Page 126 Appendix C Translated Safety Warnings Chassis Warning—Rack-Mounting and Servicing Warnung Zur Vermeidung von Körperverletzung beim Anbringen oder Warten dieser Einheit in einem Gestell müssen Sie besondere Vorkehrungen treffen, um sicherzustellen, daß das System stabil bleibt. Die folgenden Richtlinien sollen zur Gewährleistung Ihrer Sicherheit dienen: Wenn diese Einheit die einzige im Gestell ist, sollte sie unten im Gestell •...
  • Page 127 Appendix C Translated Safety Warnings Chassis Warning—Rack-Mounting and Servicing Advarsel Unngå fysiske skader under montering eller reparasjonsarbeid på denne enheten når den befinner seg i et kabinett. Vær nøye med at systemet er stabilt. Følgende retningslinjer er gitt for å verne om sikkerheten: Denne enheten bør monteres nederst i kabinettet hvis dette er den eneste •...
  • Page 128 Appendix C Translated Safety Warnings Chassis Warning—Rack-Mounting and Servicing ¡Advertencia! Para evitar lesiones durante el montaje de este equipo sobre un bastidor, o posteriormente durante su mantenimiento, se debe poner mucho cuidado en que el sistema quede bien estable. Para garantizar su seguridad, proceda según las siguientes instrucciones: Colocar el equipo en la parte inferior del bastidor, cuando sea la única...

  • Page 129: Overtemperature Warning

    Appendix C Translated Safety Warnings Overtemperature Warning Overtemperature Warning To prevent the switch from overheating, do not operate it in an area that Warning exceeds the maximum recommended ambient temperature of 104°F (40°C). To prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around the ventilation openings.

  • Page 130: No On/Off Switch Warning

    Appendix C Translated Safety Warnings No On/Off Switch Warning Advarsel For å unngå at bryteren overopphetes skal utstyret ikke brukes på steder hvor anbefalt maks omgivelsestemperatur overstiger 104 grader Farenheit (40°C). La det være minst 3 tommer (7,6 cm) klaring rundt ventilasjonsåpningene for at luftsirkulasjonen skal være uhindret.

  • Page 131: Grounded Equipment Warning

    Appendix C Translated Safety Warnings Grounded Equipment Warning Attention Avant de travailler sur un système non équipé d'un commutateur marche-arrêt, débrancher le cordon d'alimentation. Warnung Bevor Sie an einem System ohne Ein/Aus-Schalter arbeiten, ziehen Sie das Netzkabel heraus. Avvertenza Prima di lavorare su un sistema che non è dotato di un interruttore on/off, scollegare il cavo di alimentazione.

  • Page 132: Product Disposal Warning

    Appendix C Translated Safety Warnings Product Disposal Warning Attention Cet équipement doit être relié à la terre. S’assurer que l’appareil hôte est relié à la terre lors de l’utilisation normale. Warnung Dieses Gerät muß geerdet werden. Stellen Sie sicher, daß das Host-Gerät während des normalen Betriebs an Erde gelegt ist.

  • Page 133: Ground Connection Warning

    Appendix C Translated Safety Warnings Ground Connection Warning Attention La mise au rebut définitive de ce produit doit être effectuée conformément à toutes les lois et réglementations en vigueur. Warnung Dieses Produkt muß den geltenden Gesetzen und Vorschriften entsprechend entsorgt werden. Avvertenza L'eliminazione finale di questo prodotto deve essere eseguita osservando le normative italiane vigenti in materia.
  • Page 134 Appendix C Translated Safety Warnings Ground Connection Warning Attention Lors de l’installation de l’appareil, la mise à la terre doit toujours être connectée en premier et déconnectée en dernier. Warnung Der Erdanschluß muß bei der Installation der Einheit immer zuerst hergestellt und zuletzt abgetrennt werden. Avvertenza In fase di installazione dell'unità, eseguire sempre per primo il collegamento a massa e disconnetterlo per ultimo.

  • Page 135: Jewelry Removal Warning

    Appendix C Translated Safety Warnings Jewelry Removal Warning Jewelry Removal Warning Before working on equipment that is connected to power lines, remove Warning jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals.
  • Page 136 Appendix C Translated Safety Warnings Jewelry Removal Warning Avvertenza Prima di intervenire su apparecchiature collegate alle linee di alimentazione, togliersi qualsiasi monile (inclusi anelli, collane, braccialetti ed orologi). Gli oggetti metallici si riscaldano quando sono collegati tra punti di alimentazione e massa: possono causare ustioni gravi oppure il metallo può...

  • Page 137: Stacking The Chassis Warning

    Appendix C Translated Safety Warnings Stacking the Chassis Warning Stacking the Chassis Warning Do not stack the chassis on any other equipment. If the chassis falls, it can Warning cause severe bodily injury and equipment damage. Waarschuwing Het chassis mag niet op andere apparatuur gestapeld te worden. Als het chassis mocht vallen, kan dit ernstig lichamelijk letsel en beschadiging van de apparatuur veroorzaken.

  • Page 138: Qualified Personnel Warning

    Appendix C Translated Safety Warnings Qualified Personnel Warning ¡Atención! No apilar los chasis sobre ningún otro equipo. Si el chasis se cae al suelo puede causar graves lesiones físicas y daños al equipo. Varning Placera inte chassit ovanpå annan utrustning. Om chassit faller kan allvarlig kroppsskada såväl som skada på...

  • Page 139: Class 1 Laser Product Warning

    Appendix C Translated Safety Warnings Class 1 Laser Product Warning ¡Atención! Estos equipos deben ser instalados y reemplazados exclusivamente por personal técnico adecuadamente preparado y capacitado. Varning Denna utrustning ska endast installeras och bytas ut av utbildad och kvalificerad personal. Class 1 Laser Product Warning Class 1 Laser Product Warning...

  • Page 140: Laser Beam Exposure Warning

    Appendix C Translated Safety Warnings Laser Beam Exposure Warning Laser Beam Exposure Warning Avoid exposure to the laser beam. Warning Vermijd blootstelling aan de straal. Waarschuwing Varoitus Vältä säteelle altistumista. Attention Eviter toute exposition au faisceau. Warnung Schützen Sie sich vor Strahlung. Avvertenza Evitare l’esposizione al raggio.

  • Page 141: Catalyst 2950G-24-Ei-Dc Service Requirement

    Warning (FRUs). Do not open the chassis or attempt to remove or replace any components. For information about obtaining service for this unit, contact your reseller or Cisco sales representative. Waarschuwing De Catalyst 2950G-24-EI-DC bevat geen FRU's (field-replaceable units ofwel veldvervangbare eenheden). Open het chassis niet en probeer geen onderdelen te verwijderen of te vervangen.

  • Page 142: Restricted Area Equipment Installation

    Catalyst 2950G-24-EI-DC innehåller inte några enheter som kan bytas ut på fältet. Öppna inte chassit och försök inte heller att ta bort eller byta ut några delar. Kontakta återförsäljaren eller representanten för Cisco om du behöver information om service av enheten. Restricted Area Equipment Installation The equipment is to be installed in a restricted access area.

  • Page 143: Ethernet Cable Shielding In Offices

    Appendix C Translated Safety Warnings Ethernet Cable Shielding in Offices Attention Cet équipement doit être installé uniquement dans une zone à accès limité. Warnung Die Ausrüstung muß in einem Bereich installiert werden, der gegen unbefugtes Betreten geschützt ist. Avvertenza Installate questo apparato unicamente in zone di accesso regolamentate.

  • Page 144: Dc Power Disconnection Warning

    Appendix C Translated Safety Warnings DC Power Disconnection Warning Warnung Ethernet-Kabel müssen abgeschirmt werden, wenn sie in einer Zentrale eingesetzt werden. Avvertenza I cavi Ethernet devono essere schermati se utilizzati in un ambiente di ufficio centrale. Advarsel Ethernet-kabler skal være skjermet når de brukes i et sentralt kontormiljø.
  • Page 145 Appendix C Translated Safety Warnings DC Power Disconnection Warning Varoitus Varmista, että tasavirtapiirissä ei ole virtaa ennen seuraavien toimenpiteiden suorittamista. Varmistaaksesi, että virta on KATKAISTU täysin, paikanna tasavirrasta huolehtivassa kojetaulussa sijaitseva suojakytkin, käännä suojakytkin KATKAISTU-asentoon ja teippaa suojakytkimen varsi niin, että se pysyy KATKAISTU-asennossa.
  • Page 146 Appendix C Translated Safety Warnings DC Power Disconnection Warning Aviso Antes de executar um dos seguintes procedimentos, certifique-se que desligou a fonte de alimentação de energia do circuito de corrente contínua. Para se assegurar que toda a corrente foi DESLIGADA, localize o disjuntor no painel que serve o circuito de corrente contínua e coloque-o na posição OFF (Desligado), segurando nessa posição a manivela do interruptor do disjuntor com fita isoladora.

  • Page 147: Exposed Dc Power Wire Warning

    Appendix C Translated Safety Warnings Exposed DC Power Wire Warning Exposed DC Power Wire Warning An exposed wire lead from a DC-input power source can conduct Warning harmful levels of electricity. Be sure that no exposed portion of the DC-input power source wire extends from the terminal block plug.

  • Page 148: Service Personnel Warning

    Appendix C Translated Safety Warnings Service Personnel Warning Aviso Um fio condutor exposto de uma unidade de entrada de DC (corrente contínua) pode transportar níveis perigosos de electricidade. Certifique-se de que nenhuma secção exposta de um fio condutor da fonte de energia de entrada de DC se extende a partir da ficha da placa de terminais.
  • Page 149 Appendix C Translated Safety Warnings Service Personnel Warning Warnung Dieses Gerät darf nur von Wartungspersonal gemäß AS/NZS-Definition 3260, Paragraph 1.2.14.3, "Service Personnel", installiert und gewartet werden. Avvertenza Questo apparecchio deve essere installato e mantenuto in efficienza esclusivamente da personale tecnico che soddisfi i requisiti specificati nella sezione 1.2.14.3 sul ‘Service Personnel’...
  • Page 150 Appendix C Translated Safety Warnings Service Personnel Warning Catalyst 2950 Desktop Switch Hardware Installation Guide C-32 78-11157-03...

  • Page 151: I N D E X

    I N D E X 1000BASE-T GBIC modules (continued) Numerics described 10/100/1000 ports illustrated 2-21 cable lengths installing 2-20 connecting to 2-33 to 2-36 1000BASE-X GBIC modules connectors and cables cable lengths described connecting to 2-39 to 2-40 illustrated connectors 10/100 ports described cable lengths...
  • Page 152 2-9, C-6 to C-10 four twisted-pair pinout, 10/100 ports Cisco IE2100 1-24 four twisted-pair pinout, 1000BASE-T Cisco IE2100 Series Configuration Registrar ports See Cisco IE2100 two twisted-pair pinout Cisco Intelligent Engine 2100 See Cisco IE2100 Catalyst 2950 Desktop Switch Hardware Installation Guide...
  • Page 153 Index CiscoView connecting (continued) 1-24 Class 1 laser product warning to 100BASE-FX ports 2-4, C-21 2-37 to 2-38 clearance to AC power 2-22 1-24 to console port 2-43 to 2-45 Cluster Builder application to CWDM GBIC module ports 1-23 2-38 Cluster Management Suite to DC power 2-23 to 2-32...
  • Page 154 10/100/1000 ports 2-34 ordering 10/100 ports 2-34 related publications xix to xx 1000BASE-T GBIC module ports 2-41 URLs, Cisco connectivity problems document conventions xvi to xix pinout duplex LED 1-14, 1-17 four twisted-pair, 10/100 ports four twisted-pair, 1000BASE-T ports two twisted-pair...
  • Page 155 2-39 CWDM 2-38 GigaStack fan problems, solving connecting to 2-38 to 2-43 features 1-1 to 1-3 connectors feedback to Cisco Systems, web 1000BASE-T fiber-port specifications 1000BASE-X front panel CWDM 2-38 10/100/1000 ports GBIC modules (continued) 10/100 ports 1-6 to 1-7...
  • Page 156 Index GigaStack GBIC modules installation (continued) cable lengths rack-mount 2-9 to 2-20 connecting to shelf-mount 2-42 2-20 connectors and cables table-mount 2-20 described warning 2-2, C-4 illustrated installing GBIC modules 2-22 2-20 to 2-22 installing IOS command-line interface 2-20 ground connection warning See CLI 2-3, 2-24, C-15 to C-16 grounded equipment warning...
  • Page 157 Index LEDs (continued) no on/off switch warning 2-2, C-12 to C-13 port status notes, defined 1-13 1-13 speed (SPEED) 1-14, 1-18 status (STAT) 1-14, 1-17 system 1-12 obtaining documentation xx to xxii utilization (UTIL) 1-14, 1-17 overtemperature warning 2-3, C-11 to C-12 lightning activity warning 2-3, C-3 package contents...
  • Page 158 Index pinouts (continued) power (continued) RJ-45-to-DB-25 terminal adapter supply B-11 RJ-45-to-DB-9 adapter cable AC connector B-10 1-22 RJ-45-to-DB-9 PC adapter cable B-10 DC connector 1-22 straight-through cables RPS connector 1-23 four twisted-pair, 10/100 ports power connectors 1-22 to 1-23 four twisted-pair, 1000BASE-T ports power on 2-22 two twisted-pair...
  • Page 159 Index rear panel (continued) status LED 1-14, 1-17 described straight-through cable 1-20 illustrated connecting to 1-21 to 1-22 power connectors 1-22 to 1-23 10/100/1000 ports 2-34 Redundant Power System 10/100 ports 2-34 See RPS 1000BASE-T GBIC module ports 2-41 regulatory statements, EMC connectivity problems 2-4 to 2-6 related publications...
  • Page 160 Index troubleshooting diagnosing problems 3-2 to 3-5 understanding POST results URLs, Cisco utilization bandwidth 1-17 to 1-20 1-14, 1-17 verifying package contents 2-7 to 2-9 warnings DC power 2-23, 2-24, 2-26 defined xvii to xix installation 2-2 to 2-4 translated...

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