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Cisco Catalyst 3550 Hardware Installation Manual
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Cisco Catalyst 3550 Hardware Installation Manual

Cisco systems multilayer switch user manual
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Catalyst 3550 Multilayer Switch
Hardware Installation Guide
November 2004
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
Text Part Number: OL-6155-01

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  • Page 1 Catalyst 3550 Multilayer Switch Hardware Installation Guide November 2004 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 Text Part Number: OL-6155-01...
  • Page 2 CCSP, the Cisco Square Bridge logo, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco,...

  • Page 3: Table Of Contents

    Port LEDs and Modes Rear-Panel Description AC Power Connector Cisco RPS Connector Console Port Management Options Network Configurations OL-6155-01 xiii 2-10 2-11 2-11 2-11 2-11 2-12 Catalyst 3550 Multilayer Switch Hardware Installation Guide C O N T E N T S...
  • Page 4 Verifying Package Contents Installing the Switch Rack-Mounting Attaching Brackets to the Catalyst 3550-12T and 3550-12G Switches Attaching Brackets to the Catalyst 3550-24, 3550-24-DC, 3550-24-FX, 3550-24PWR, and 3550-48 Switches Mounting the Switch in a Rack Wall Mounting Attaching the Brackets to the Switch...
  • Page 5 Accessing the CLI Through the Console Port Connecting to the Console Port Starting the Terminal-Emulation Software Powering on the Switch Entering the Initial Configuration Information IP Settings Completing the Setup Program N D E X OL-6155-01 Catalyst 3550 Multilayer Switch Hardware Installation Guide Contents...
  • Page 6 Contents Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...

  • Page 7: Preface

    Preface Audience This guide is for the networking or computer technician responsible for installing the Catalyst 3550 multilayer switches. We assume that you are familiar with the concepts and terminology of Ethernet and local area networking. Purpose This guide documents the hardware features of the Catalyst 3550 family of multilayer switches. It provides a quick setup procedure, describes the physical and performance characteristics of each switch, explains how to install a switch, and includes basic troubleshooting information.
  • Page 8 éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil, référez-vous au numéro de l'instruction situé à la fin de chaque avertissement. CONSERVEZ CES INFORMATIONS Catalyst 3550 Multilayer Switch Hardware Installation Guide viii OL-6155-01...
  • Page 9 Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo. GUARDE ESTAS INSTRUCCIONES Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...
  • Page 10 Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning. SPARA DESSA ANVISNINGAR Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...
  • Page 11 Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de oversatte advarsler, der fulgte med denne enhed. GEM DISSE ANVISNINGER Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...
  • Page 12 Preface Conventions Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...

  • Page 13: Related Publications

    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 Release Notes for the Catalyst 3550 Multilayer Switch (not orderable but available on Cisco.com) • Switch requirements and procedures for initial configurations and software upgrades tend to change and Note therefore appear only in the release notes.

  • Page 14: Obtaining Documentation

    Obtaining Documentation Cisco provides several ways to obtain documentation, technical assistance, and other technical resources. These sections explain how to obtain technical information from Cisco Systems. Cisco.com You can access the most current Cisco documentation on the World Wide Web at this URL: http://www.cisco.com/univercd/home/home.htm...

  • Page 15: Ordering Documentation

    Nonregistered Cisco.com users can order documentation through a local account representative by • calling Cisco Systems Corporate Headquarters (California, USA.) at 408 526-7208 or, elsewhere in North America, by calling 800 553-NETS (6387). Documentation Feedback You can submit comments electronically on Cisco.com. On the Cisco Documentation home page, click Feedback at the top of the page.

  • Page 16: Opening A Tac Case

    Information about Cisco products, technologies, and network solutions is available from various online and printed sources. • The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as ordering and customer support services. Access the Cisco Product Catalog at this URL: http://www.cisco.com/en/US/products/products_catalog_links_launch.html •...
  • Page 17 You can access iQ Magazine at this URL: http://www.cisco.com/go/iqmagazine • 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 URL: http://www.cisco.com/en/US/about/ac123/ac147/about_cisco_the_internet_protocol_journal.html...
  • Page 18 Preface Obtaining Additional Publications and Information Catalyst 3550 Multilayer Switch Hardware Installation Guide xviii OL-6155-01...

  • Page 19: Chapter 1 Product Overview

    These switches also can be deployed as backbone switches, aggregating Gigabit Ethernet traffic from other network devices. This chapter provides a functional overview of the Catalyst 3550 switch models. These topics are included: Features, page 1-1 •...
  • Page 20 Features Figure 1-2 Catalyst 3550-24, 3550-24-DC, 3550-FX, 3550-24PWR, and 3550-48 Switch Models Switch WS-C3550-24-SMI WS-C3550-24-EMI WS-C3550-24-DC- WS-C3550-24-FX- WS-C3550-24PWR- WS-C3550-24PWR- WS-C3550-48-SMI WS-C3550-48-EMI Catalyst 3550 Switch Hardware Installation Guide Description 24 autosensing 10/100 Ethernet ports SYSTE M MODE STATUS UTIL DUPLX SPEED...
  • Page 21 Supports optional Layer 3 routing (Catalyst 3550-24, 3550-24DC, 3550-24-FX, 3550-24PWR, and 3550-48 switches) • Autonegotiates speed and duplex operation on 10/100 or 10/100/1000 Ethernet ports Supports up to 12,000 MAC addresses (Catalyst 3550-12T and 3550-12G • switches) • Supports up to 8,000 MAC addresses (Catalyst 3550-24, 3550-24DC, 3550-24-FX, 3550-24PWR, and 3550-48 switches) •...

  • Page 22: Front-Panel Description

    The switch front panel includes the 10/100 or 10/100/1000 Ethernet ports or 100BASE-FX ports, GBIC module slots, and switch LEDs as shown in Figure 1-3 shows the Catalyst 3550-12T switch as an example. All the Catalyst switches have Note similar components.

  • Page 23: 10/100 And 10/100/1000 Ports

    10/100 Inline Power Ports The 10/100 ports on the Catalyst 3550-24PWR switch provide protocol support for Cisco IP Phones and Cisco Aironet Access Points: Provide –48 VDC power to all Cisco IP Phones and Cisco Aironet Access Points •...

  • Page 24: Gbic Module Slots

    ID, a unique security code, and cyclic redundancy check (CRC). When a CWDM GBIC module is inserted in the switch, the switch software reads the EEPROM to check the serial number, vendor name and vendor ID, and recompute the security code and CRC.

  • Page 25: Rps Led

    To select or change a mode, press the Mode button (or Mode label on the Catalyst 3550-48 switch) until the desired mode is highlighted. When you change port modes, the meanings of the port LED colors also change.
  • Page 26 If the Cisco IP Phone is receiving power from an AC power source, the port LED is off even if the IP phone is connected to the switch port. The LED turns green only when the switch port is providing power.
  • Page 27 1-8.) If all possible port LEDs are green, bandwidth utilization is in the 50 to 100 percent range. Every port LED that is off (black) divides this range by two. The port LEDs on the Catalyst 3550-24PWR switch do not show bandwidth utilization. Note...

  • Page 28: Rear-Panel Description

    RJ-45 console port, which are shown in The rear panel of the 3550-24-DC switch has a DC power connector (also referred to as the terminal block header), an RJ-45 console port, and a ground lug. The switch is shipped with a terminal block plug in the DC power connector.

  • Page 29: Ac Power Connector

    • Catalyst 3550-12T, 3550-12G, 3550-24, 3550-FX, 3550-24PWR, and 3550-48 switches. The Cisco RPS 300 does not support the Catalyst 3550-24-DC or 3550-24PWR switch. The Cisco RPS 675 does not support the Catalyst 3550-24-DC switch. The RPS 300 and RPS 675 models also support other Cisco devices. See the RPS documentation for more information.

  • Page 30: Network Configurations

    SmartPort macros provide a convenient way to save and share common switch configurations. You can use SmartPort macros to enable features and settings based on the location of a switch in the network and for mass configuration deployments across the network.

  • Page 31: Switch Installation

    Switch Installation This chapter describes how to prepare for installation, how to install the switch, and how to make connections to it. Read the topics and perform the procedures in the order that they are presented: Preparing for Installation, page 2-1 •...

  • Page 32: Chapter 2 Switch Installation

    Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040 If a redundant power system (RPS) is not connected to the switch, install an RPS connector cover on Warning the back of the switch. Statement 265 To comply with safety regulations, mount switches on a wall with the front panel facing up.
  • Page 33 Chapter 2 Switch Installation The Catalyst 3550-24-DC contains no field-replaceable units (FRUs). Do not open the chassis or Warning attempt to remove or replace any components. For information about obtaining service for this unit, contact your reseller or Cisco sales representative. Statement 121B Warning This unit is intended for installation in restricted access areas.

  • Page 34: Site Requirements

    Four rubber feet for mounting the switch on a table – – Two 19-inch rack-mounting brackets Four Phillips flat-head screws for attaching the brackets to the switch (Catalyst 3550-12T – and 3550-12G switches) – Six Phillips flat-head screws for attaching the brackets to the switch (Catalyst 3550-24, 3550-24-DC, 3550-24-FX, 3550-24PWR, and 3550-48 switches) –...

  • Page 35: Installing The Switch

    Two Phillips pan-head screws (for attaching the RPS cover) – Four Phillips truss-head screws (for wall-mounting brackets) – One DC terminal block plug (also called a terminal block header; only Catalyst 3550-24-DC – switches) Installing the Switch This section describes these installation procedures: Rack-Mounting, page 2-5 •...
  • Page 36 19-inch or a 24-inch rack. For 19-inch racks, use bracket part number 700-11523-01; for 24-inch racks, use bracket part number 700-12398-01. type bracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side.
  • Page 37 Figure 2-3 Attaching Brackets for 19-Inch Racks, Rear Panel Forward 19" Configuration Figure 2-4 Attaching Brackets for 24-Inch Racks, Rear Panel Forward 24" Configuration OL-6155-01 Installing the Switch Phillips flat-head screws Phillips flat-head screws Catalyst 3550 Switch Hardware Installation Guide...

  • Page 38: 3550-48 Switches

    Follow the same steps to attach the second bracket to the opposite side. Before you attach the brackets on the Catalyst 3550-24-FX switch, remove the screws that are on the Note bottom-front of the chassis. Attach the bracket by using the supplied Phillips flat-head screws, as shown Figure 2-7.
  • Page 39 SY ST EM RP S ST AT US M O D E UT IL DU PL X SP EE D Phillips flat-head screws 24" Configuration Catalyst 3550 Switch Hardware Installation Guide Installing the Switch 11 X 12 X 11 X 12 X...
  • Page 40 Installing the Switch Figure 2-9 Attaching Brackets for 19-Inch Racks, Rear Panel Forward 19" Configuration Figure 2-10 Attaching Brackets for 24-Inch Racks, Rear Panel Forward 24" Configuration Catalyst 3550 Switch Hardware Installation Guide 2-10 C O N S O Phillips flat-head screws...
  • Page 41 C at al ys t 35 50 SE RI ES 19" Configuration flat-head C at al ys t 35 50 SE RI ES 24" Configuration flat-head Catalyst 3550 Switch Hardware Installation Guide Installing the Switch Phillips screws Phillips screws 2-11...

  • Page 42: Mounting The Switch In A Rack

    • Mounting the Switch on a Wall, page 2-14 Note The illustrations in this section show the Catalyst 3550-12T switch as an example. All the Catalyst 3550 switches are wall-mounted following the same procedures. Catalyst 3550 Switch Hardware Installation Guide...

  • Page 43: Attaching The Brackets To The Switch

    19-inch bracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side. Note On the Catalyst 3550-24-FX switch, remove the screws that are in the side of the chassis before you attach the brackets. Figure 2-15 Attaching the 19-Inch Brackets for Wall Mounting...

  • Page 44: Mounting The Switch On A Wall

    Mounting the Switch on a Wall For the best support of the switch and cables, make sure that the switch is attached securely to wall studs or to a firmly attached plywood mounting backboard. Mount the switch with the front panel facing up,...

  • Page 45: Installing The Optional Ground Kit

    • Note The illustrations in this section show the Catalyst 3550-12T switch as an example. Follow the same procedure to install the ground lug on the Catalyst 3550-24 and 3550-24-FX switches. To ground the switch to earth ground, follow these steps. Make sure to follow any grounding requirements at your site.

  • Page 46: Powering The Switch And Connecting Devices

    GBICs. Powering the Switch Use the supplied AC power cord to connect the AC power socket on the switch rear panel to an AC power outlet. When the switch powers on, it automatically begins the power-on self-test (POST), a series of tests that verifies that the switch functions properly.

  • Page 47: Connecting A Cisco Rps

    Connecting a Cisco RPS Use the cable supplied with the RPS to connect to the switch rear panel. Connect the switch and the RPS to the same AC power source. Always put the RPS in standby mode when you connect devices to it and in active mode during normal operation.

  • Page 48: Connecting To The 10/100 Inline Power Ports

    Statement 1072 It takes a Catalyst 3550-24PWR 10/100 port up to 10 seconds to initially detect, power up, and link to a Caution Cisco IP Phone.

  • Page 49: Installing Gbic Modules

    See the release notes for the latest list of approved Gigabit Interface Converter (GBIC) modules and to your GBIC documentation for more information about installation, cabling, and configuring. See Related Publications, page xiii, for a list of related documentation. Catalyst 3550 Switch Hardware Installation Guide 2-19 OL-6155-01...
  • Page 50 Chapter 2 Switch Installation Powering the Switch and Connecting Devices Catalyst 3550 Switch Hardware Installation Guide 2-20 OL-6155-01...

  • Page 51: Chapter 3 Troubleshooting

    If POST fails, the SYST LED turns amber. failure. POST failures are usually fatal. Contact your Cisco representative if your switch does not pass POST. The LEDs on a Catalyst 3550-24PWR switch function differently during POST. Use the console port to Note view the POST results.

  • Page 52: Diagnosing Problems

    Diagnosing Problems The switch LEDs begin blinking after about 2 seconds. If the switch is not configured, the LEDs are all green. You can omit Step 2 and run Express Note Setup to configure the switch. Continue holding down the Mode button. The LEDs stop blinking after 8 additional seconds, and then Step 2 the switch reboots.
  • Page 53 System LED is not on, and the switch does not run POST. System LED is amber. OL-6155-01 Solution Check that the power cable is connected to the switch and to a • known power source. Test the power cable on another switch. •...
  • Page 54 Common Problems and Solutions (continued) Problem No connectivity Poor performance or excessive errors Catalyst 3550 Switch Hardware Installation Guide Solution Verify that the devices at both ends of the link are connected • and powered. Verify that the autonegotiation settings are the same at both •...

  • Page 55: Appendix

    –13 to 158° F (–25 to 70° C) 10 to 85% (noncondensing) Up to 10,000 ft (3049 m) Up to 15,000 ft (4573 m) Catalyst 3550-12T and 3550-12G: 16 lb (7.26 kg) Catalyst 3550-24: 11 lb (5 kg) Catalyst 3550-24-DC and 3550-24-FX: 10.5 lb (4.8 kg) Catalyst 3550-24PWR: 14 lb (6.35 kg)

  • Page 56: Appendix A Technical Specification

    Table A-2 Power Requirements for the Catalyst 3550-12T, 3550-12G, 3550-24, 3550-24-FX, and 3550-48 Switches Power Requirements AC input voltage DC input voltages for RPS 300 Power Requirements DC input voltages for RPS 675 Power consumption Table A-3 Power Requirements for the Catalyst 3550-24PWR Switch...
  • Page 57 Optical transmitter power for 50/125-micron cabling Optical transmitter power for 62.5/125-micron cabling 1. nm = nanometers 2. dBm = decibel milliwatt OL-6155-01 1300 nm –33.5 to –11.8 dBm –23.5 to –14 dBm –20 to –14 dBm Catalyst 3550 Multilayer Switch Hardware Installation Guide...
  • Page 58 Appendix A Technical Specifications Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...

  • Page 59: Appendix

    Connector and Cable Specifications This appendix describes the Catalyst 3550 switch ports and the cables and adapters that you use to connect the switch to other devices. Connector Specifications These sections describe the connectors used with the Catalyst 3550 switches.

  • Page 60: A P P E N D I X B Connector And Cable Specifications

    Console Port The console port uses an 8-pin RJ-45 connector, described in RJ-45-to-DB-9 adapter cable is used to connect the console port of the switch to a console PC. For console port and adapter pinout information, see Catalyst 3550 Multilayer Switch Hardware Installation Guide...

  • Page 61: Cable And Adapter Specifications

    Appendix B Connector and Cable Specifications Cable and Adapter Specifications These sections describe the cables and adapters used with the Catalyst 3550 switches. Two Twisted-Pair Cable Pinouts Figure B-4 10 Mbps traffic. Figure B-4 Two Twisted-Pair Straight-Through Cable Schematic Switch 3 TD+ 6 TD–...

  • Page 62: Four Twisted-Pair Cable Pinouts For 1000Base-T Ports

    Switch 1 TPO+ 2 TPO- 3 TP1+ 6 TP1- 4 TP2+ 5 TP2- 7 TP3+ 8 TP3- Catalyst 3550 Multilayer Switch Hardware Installation Guide Switch 1 RD+ 2 RD- 3 TD+ 6 TD- 4 NC 5 NC 7 NC 8 NC...

  • Page 63: Rollover Cable And Adapter Pinouts

    Pin 1 on one connector and pin 8 on the other connector should be the same color. RJ-45-to-DB-9 Console Terminal Adapter Device DB-9 Pin Signal Catalyst 3550 Multilayer Switch Hardware Installation Guide Cable and Adapter Specifications Figure Pin 8 B-10.)
  • Page 64 Table B-3 lists the pinouts for the console port, RJ-45-to-DB-25 female DTE adapter, and the console device. The RJ-45-to-DB-25 female DTE adapter is not supplied with the switch. You can order a kit (part number ACS-DSBUASYN=) containing this adapter from Cisco.

  • Page 65: Appendix

    This appendix describes how to make DC power connections to the Catalyst 3550-24-DC switch. See the “Installing the Switch” section on page 2-5 Connecting to DC Power To connect the Catalyst 3550-24-DC switch to a DC-input power source, follow the steps in these sections: Preparing for Installation, page C-1 •...

  • Page 66: Appendix C Dc Power Connection

    Warning When installing the unit, always make the ground connection first and disconnect it last. Statement 42 To ground the switch to earth ground, follow these steps. Make sure to follow any grounding requirements at your site. Locate and remove the ground lug and the two number-10-32 ground-lug screws from the rear panel of Step 1 the switch.
  • Page 67 Crimping the Ground Lug Step 5 Use the two number-10-32 screws to attach the ground lug and wire assembly to the switch rear panel RPS connector, as shown in Using a ratcheting torque screwdriver, torque each ground-lug screw to 15 lbf-in. (240 ozf-in.)
  • Page 68 Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003 You must connect the Catalyst 3550-24-DC switch only to a DC-input power source that has an input Caution 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 69 Step 2 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, as shown in...
  • Page 70 Torquing the Terminal-Block Captive Screws Repeat Steps 4 and 5 for the remaining three DC-input power source wires. Step 6 completed wiring of a terminal block plug. Catalyst 3550 Multilayer Switch Hardware Installation Guide Appendix C Return Feed A Negative...
  • Page 71 To comply with the intrabuilding lightning surge requirements, intrabuilding wiring must be shielded, Caution and the shield for the wiring must be grounded at both ends. The Catalyst 3550-24-DC switch is suitable only for intrabuilding or nonexposed wiring connections. Caution OL-6155-01...
  • Page 72 Appendix C DC Power Connections Connecting to DC Power Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...

  • Page 73: Appendix

    Express Setup. After the switch is in Express Setup mode, open a Telnet session to the switch by entering the IP address 10.0.0.1. Enter the setup user EXEC command. See these sections in this chapter to then configure the...

  • Page 74: A P P E N D I X D Configuring The Switch With The Cli-Based Setup Program

    Accessing the CLI Through the Console Port You can access the CLI on a configured or unconfigured switch by connecting the console port of the switch to the serial port on your PC or workstation and accessing the switch through a terminal-emulation session.

  • Page 75: Starting The Terminal-Emulation Software

    2 Power cord Starting the Terminal-Emulation Software Before you power on the switch, start the terminal emulation session so that you can see the output display from the power-on self-test (POST). The terminal-emulation software—frequently a PC application such as Hyperterminal or ProcommPlus—makes communication between the switch and your PC or terminal possible.

  • Page 76: Understanding Post Results

    Connect the other end of the power cable to a grounded AC outlet. As the switch powers on, it begins POST, a series of tests that run automatically to ensure that the switch functions properly. If POST fails, see the determine a course of action.

  • Page 77: Completing The Setup Program

    On a command switch, the host name is limited to 28 characters; on a member switch to 31 characters. Do not use -n, where n is a number, as the last character in a host name for any switch. Enter host name [Switch]: host_name Enter an enable secret password, and press Return.
  • Page 78 Entering the Initial Configuration Information Enter Y to configure the switch as the cluster command switch. Enter N to configure it as a member Step 9 switch or as a standalone switch. If you enter N, the switch appears as a candidate switch in the Network Assistant. You can configure the switch as a command switch later through the CLI or the Network Assistant interface.
  • Page 79 Network Assistant (for one or more switches) • To use the CLI, enter commands at the Switch> prompt through the console port or through the network by using Telnet. For configuration information, see the switch software configuration guide or the switch command reference.
  • Page 80 Appendix D Configuring the Switch with the CLI-Based Setup Program Entering the Initial Configuration Information Catalyst 3550 Multilayer Switch Hardware Installation Guide OL-6155-01...

  • Page 81: I N D E X

    CiscoView accessing by using Express Setup accessing through console port described command-line interface See CLI Catalyst 3550 Multilayer Switch Hardware Installation Guide I N D E X 2-9, 2-10 3-12 B-3, B-4 3-17 B-3, B-4 viii...
  • Page 82 C-1 to C-7 specifications warnings C-1 to C-5 Device Manager description 2-12 diagnosing problems dimensions Catalyst 3550 Multilayer Switch Hardware Installation Guide IN-2 documentation ordering related publications URLs, Cisco document conventions duplex LED electrical noise, avoiding Express Setup...
  • Page 83 MT-RJ connector See also 100BASE-FX ports Network Assistant getting started guide Network Manager described noise, electrical notes, defined obtaining documentation Catalyst 3550 Multilayer Switch Hardware Installation Guide 2-12 2-12 2-12 2-12 2-12 3-14 3-12 3-6 to 3-11 3-12 2-11...
  • Page 84 3-18 patch cables power levels power AC connector 2-10 connecting to 3-16, D-4 DC connector 2-10 Catalyst 3550 Multilayer Switch Hardware Installation Guide IN-4 RPS connector specifications powering the switch procedures AC grounding DC grounding installation publications, related rack-mounting...
  • Page 85 3-14 technical assistance xv to xvi technical specifications telco racks temperature, operating terminal emulation software troubleshooting 4-1 to 4-4 URLs, Cisco wall mounting 3-12 warnings defined installation weight OL-6155-01 2-12 Catalyst 3550 Multilayer Switch Hardware Installation Guide Index IN-5...
  • Page 86 Index Catalyst 3550 Multilayer Switch Hardware Installation Guide IN-6 OL-6155-01...

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3550 12g - catalyst switch - stackable3550-12t - catalyst switch - stackableWs-c3550-12gWs-c3550-12t

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