3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet Getting Started Manual
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3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet Getting Started Manual

Superstack 4 5500 series switch
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SuperStack

Getting Started Guide

Switch 5500-SI 28-Port (3CR17151-91)
Switch 5500-SI 52-Port (3CR17152-91)
Switch 5500-EI 28-Port (3CR17161-91)
Switch 5500-EI 52-Port (3CR17162-91)
Switch 5500-EI PWR 28-Port (3CR17171-91)
Switch 5500-EI PWR 52-Port (3CR17172-91)
Switch 5500-EI 28-Port FX (3CR17181-91)
Switch 5500G-EI 24-Port (3CR17254-91)
Switch 5500G-EI 48-Port (3CR17255-91)
Switch 5500G-EI SFP 24-Port (3CR17259-91)
http://www.3com.com/
Part No. DUA1715-0AAA03
Published July 2005
4 Switch 5500 Family
®

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Summary of Contents for 3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet

  • Page 1: Getting Started Guide

    Switch 5500-EI 28-Port (3CR17161-91) Switch 5500-EI 52-Port (3CR17162-91) Switch 5500-EI PWR 28-Port (3CR17171-91) Switch 5500-EI PWR 52-Port (3CR17172-91) Switch 5500-EI 28-Port FX (3CR17181-91) Switch 5500G-EI 24-Port (3CR17254-91) Switch 5500G-EI 48-Port (3CR17255-91) Switch 5500G-EI SFP 24-Port (3CR17259-91) http://www.3com.com/ Part No. DUA1715-0AAA03 Published July 2005...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time MA USA 01752-3064 to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose.

  • Page 3: Table Of Contents

    ONTENTS BOUT UIDE Before You Start Release Notes About Your CD-ROM Conventions Related Documentation Accessing Online Documentation Documentation Comments 5500 F NTRODUCING THE UPER TACK WITCH AMILY About the Switch 5500 Family Summary of Hardware Features Switch 5500 Family — Front View Detail Switch 5500 Switch 5500G-EI 10BASE-T/...
  • Page 4 Default Settings NSTALLING THE WITCH Package Contents Choosing a Suitable Site Rack-mounting Switch 5500 (non PoE) Switch 5500 and Switch 5500G-EI (PoE) Connecting a Redundant Power Supply Specifying the Redundant Power System Connecting the Switch to the Redundant Power System Connecting the Earthing Cable RPS LED Using Power over Ethernet...
  • Page 5 Manually Configuring IP Information Connecting to the Console Port Connecting to a Front Panel Port Viewing Automatically Configured IP Information Using 3Com Network Director Connecting to the Console Port Setting Up Command Line Interface Management User Interface Overview CLI Management via the Console Port...
  • Page 6 FTP (via a network port) XModem (via the console cable) Upgrading from the Bootrom Interface Introduction TFTP XModem Bootrom Upgrade Bootrom Upgrade via TFTP Bootrom Upgrade via FTP Bootrom Upgrade via XModem AFETY NFORMATION Power Cord Set — Japan Important Safety Information L’information de Sécurité...
  • Page 7 Switch 5500G-EI PWR (48 Port) Switch 5500G-EI SFP (24-Port) Earthing Lead BTAINING UPPORT FOR YOUR RODUCT Register Your Product Purchase Value-Added Services Troubleshoot Online Access Software Downloads Telephone Technical Support and Repair Contact Us NDEX EGULATORY OTICES...

  • Page 9: About This Guide

    BOUT UIDE ® This guide provides all the information you need to install and use 3Com SuperStack ® 4 Switch 5500 in its default state. The guide is intended for use by network administrators who are responsible for installing and setting up network equipment;...

  • Page 10: Conventions

    BOUT UIDE Conventions Table 1 Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device.

  • Page 11: Related Documentation

    Related Documentation Related In addition to this guide, each Switch documentation set includes the Documentation following: SuperStack 4 Switch 5500 Quick Reference Guide for the CLI ■ This guide contains: a list of the features supported by the Switch. ■ A summary of the command line interface commands for the ■...

  • Page 12: Documentation Comments

    3Com SuperStack 4 Switch 5500 Getting Started Guide Page 21 Please note that we can only respond to comments and questions about 3Com product documentation at this e-mail address. Questions related to technical support or sales should be directed in the first instance to your network supplier.

  • Page 13: Introducing The Super Stack 4 Switch 5500 Family

    NTRODUCING THE UPER TACK 5500 F WITCH AMILY This chapter contains introductory information about the Switch 5500 Family and how they can be used in your network. It covers summary information about the hardware and the following topics: About the Switch 5500 Family ■...

  • Page 14: About The Switch 5500 Family

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY About the Switch The Switch 5500 Family are mixed media devices. Table 3 summarizes 5500 Family what each Switch consists of: Table 3 Switch 5500 Family Hardware Switch 5500 Family Switch 5500-SI 28 Port Switch 5500-SI 52 Port Switch 5500-EI 28 Port...

  • Page 15: Summary Of Hardware Features

    About the Switch 5500 Family Summary of Table 4 summarizes the hardware features that are supported by the Hardware Features Switch 5500 Family. Table 4 Hardware features Feature Switch 5500 Family MAC Addresses Up to 16,000 supported Forwarding Modes Store and Forward Auto-negotiation Supported on all ports Auto MDI/MDIX...

  • Page 16: Switch 5500 Family - Front View Detail

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Switch 5500 Family — Front View Detail Switch 5500 Figure 1 Switch 5500 SI and EI 28-Port — front view Port Status LEDs Console Port RPS LED 10/100BASE-TX Ports 1000BASE-X Ports Unit LED Mode LED...

  • Page 17: Switch 5500G-Ei

    Switch 5500 Family — Front View Detail Figure 4 Switch 5500-EI 52-Port PWR - front view Console Port Unit LED RPS LED Port Status LEDs Mode LED 3CR17172-91 SuperStack 4 Switch 5500 PWR 52 Port Green=Status Yellow=Packet Red=PoE PWR LED 10/100BASE-TX Ports 1000BASE-X Ports Figure 5 Switch 5500-EI FX 28-Port —...

  • Page 18: 10Base-T/ 100Base-Tx

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Figure 7 Switch 5500G-EI (48 port) — front view RPS LED Console Port Port Status LEDs Power LED Unit LED Mode LED Status:Green=10Mbps Yellow=10Mbps Flashing=Disabled Packet:Green=Full Duplex Yellow=Half Duplex Power:Green=Delivering Power Yellow=Fault Flashing Green=Over Budget SuperStack 4 Switch 5500G-EI 48-port Mode: 100%...

  • Page 19: 1000Base-X Sfp Ports

    Switch 5500 Family — Front View Detail The default state for these ports is auto-negotiation enabled, where the speed, duplex and flow control modes of a link are automatically detected to provide the highest available bandwidth with the link partner. Alternatively, auto-negotiation can be disabled.

  • Page 20: Unit Led

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Unit LED The Unit LED is a seven segment display visible on the front of the Switch. The Unit LED can be used to diagnose hardware faults, display POST test ID, display Stack ID, display PoE utilization and software upgrade information.
  • Page 21 Switch 5500 Family — Front View Detail Color Indicates Duplex Green Full duplex, blinking off for every packet received or transmitted. Yellow Half duplex, blinking off for every packet received or transmitted. Yellow flashing The port has failed POST. No link is present. Green Power is being delivered to the port.
  • Page 22 1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Color Indicates Unit LED Green Power on Self Test (POST) is in progress. During POST a test ID number appears in the Unit LED (seven segment display) Software download is in progress. During software download, a clockwise cycling bar appears in the Unit LED.

  • Page 23: Switch 5500 Family - Rear View Detail

    Switch 5500 Family — Rear View Detail Color Indicates PWR LED Green The Switch is powered-up and operating normally. Green flashing Self Test (POST) or Software Download is in progress. Yellow flashing One or more ports have failed POST. The Switch has failed its Power On Self Test. The Switch is not receiving power or there is a fault with the Power Supply Unit.

  • Page 24: Switch 5500G-Ei

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Switch 5500G-EI Figure 11 Switch 5500G-EI — rear view Stack LEDs Expansion Module Slot Power Socket Switch 5500G PoE PSU 24-Port NULL DOWN Stacking: Green=OK, Flashing Green=Traffic, Yellow=Link Fault, Yellow Flashing=Stack Fault -52 - -55V;19.5A Handle...

  • Page 25: Redundant Power System Socket

    For more information on how to connect a stacking cable to your Switch units, please refer to the Installation Guide that accompanies your cable. It is not possible to create a Fabric by interconnecting a 3Com Switch 5500 with any other 3Com device (such as a 5500G-EI) or mix Enhanced...

  • Page 26: Default Settings

    1: I 5500 F HAPTER NTRODUCING THE UPER TACK WITCH AMILY Default Settings Table 6 shows the default settings for the Switch 5500 Family. If you initialize one of the Switch units, it is returned to these defaults. Table 6 Default Settings Feature Switch 5500 Family Port Status...

  • Page 27: Installing The Switch

    NSTALLING THE WITCH This chapter contains the information you need to install and set up the Switch 5500. It covers the following topics: Package Contents ■ Choosing a Suitable Site ■ Rack-mounting ■ Connecting a Redundant Power Supply ■ Placing Units On Top of Each Other ■...

  • Page 28: Package Contents

    2: I HAPTER NSTALLING THE WITCH AVVERTENZA: Informazioni di sicurezza. Prima di installare o rimuovere qualsiasi componente dal Switch 5500 o di eseguire qualsiasi procedura di manutenzione, leggere le informazioni di sicurezza riportate nell'Appendice A della presente guida per l'utente. OSTRZEŻENIE: Informacje o zabezpieczeniach.

  • Page 29: Choosing A Suitable Site

    Choosing a Suitable Site Table 7 Package Contents ✓ ✓ ✓ Blanking Plate ✓ ✓ ✓ 12A RPS Connector and Backshell (incl. cable tie and earthing lead) ✓ ✓ ✓ ✓ 25A RPS Connector and Backshell (incl. cable tie and earthing lead) ✓...

  • Page 30: Rack-Mounting

    Air flow is not restricted around the Switch or through the vents in the ■ side of the Switch. 3Com recommends that you provide a minimum of 25 mm (1 in.) clearance. Air temperature around the Switch does not exceed 40 °C (104 °...
  • Page 31 3Com product name of the Switch ■ 3Com 3C number of the Switch ■ Unique MAC address (Ethernet address) of the Switch. ■ Serial number of the Switch ■ You may need this information if you contact 3Com Technical Support.

  • Page 32: Switch 5500 And Switch 5500G-Ei (Poe)

    2: I HAPTER NSTALLING THE WITCH Switch 5500 and To rack-mount the front of your Switch 5500 and Switch 5500G-EI (PoE): Switch 5500G-EI (PoE) 1 Place the Switch the right way up on a hard flat surface, with the front facing towards you.

  • Page 33: Connecting A Redundant Power Supply

    Unique MAC address (Ethernet address) of the Switch. ■ Serial number of the Switch ■ You may need this information if you contact 3Com Technical Support. Connecting a The Switch 5500 Family has a -48V DC Redundant Power Supply socket. Redundant Power...
  • Page 34 DC supply from the RPS. 3Com Switches which support -48V DC RPS inputs, that are PoE enabled, can only be powered by an RPS which complies with the isolation requirements of IEEE-Std 802.3af. Non PoE enabled switches do not have this restriction.
  • Page 35 Connecting a Redundant Power Supply Uninterruptible Power — the system allows easy connection and ■ maintenance of batteries to the RPS shelf to further increase the availability of the system. Additional Power to PoE Ports — the internal AC Power Supply of ■...

  • Page 36: Specifying The Redundant Power System

    Appendix C System page 127. For an approved vendor list, more details about purchasing the 3Com recommended RPS and a full set of requirements go to: http://www.3Com.com/RPS The 3Com recommended RPS generates -48V DC power using power supply units (or rectifiers). The outputs of the rectifier(s) are connected together so that the total -48V power available can be increased by adding additional rectifiers.

  • Page 37: Connecting The Switch To The Redundant Power System

    Connecting a Redundant Power Supply 3Com’s RPS solution uses -48V DC power distribution. The RPS system provides bulk -48V DC power that is separately distributed to a number of network switches. Each RPS consists of a shelf which can house from one to six rectifiers, a Distribution Module and a Management Module.

  • Page 38: Connecting The Earthing Cable

    2: I HAPTER NSTALLING THE WITCH Figure 14 RPS Connection to the Switch 2 4 P o P S U - 5 5 0 0 G S w it c h t a c k 4 u p e r S 2 6 6 S 3 C 1 7 N U L L...

  • Page 39: Rps Led

    ■ power supplied over its ethernet cable does not require a separate power supply. If, for example, the Switch is used to connect a 3Com 11 Mbps Wireless LAN Access Point 8500 to the network, then only a network cable is required to provide both power and network connectivity.

  • Page 40: Placing Units On Top Of Each Other

    NSTALLING THE WITCH The Switch 5500 supports 3Com 802.3af equipment. For the latest list of supported devices, refer to the product page on the 3Com web site at http://www.3com.com/ For further information on Power over Ethernet, refer to the Power over Ethernet Configuration chapter in the Configuration Guide supplied on the CD-ROM that accompanies your Switch 5500.

  • Page 41: Choosing The Correct Cables

    MDI port, you need to use a standard straight-through cable. See Table 3Com recommends that you use at least Category 5 twisted pair cable — the maximum segment length for this type of cable is 100 m (328 ft.).

  • Page 42: Choosing The Correct Cables For The 1000Base-X Sfp Ports

    (MDIX to MDI) CAUTION: If you want to install the Switch using a Category 5E or Category 6 cable, 3Com recommends that you briefly connect the cable to a grounded port before connecting network equipment. If you do not, the cable’s Electrostatic Discharge (ESD) may damage the Switch's port.

  • Page 43: Choosing The Correct Cables For The 100Base-X Sfp Ports

    The Power-up Sequence Table 15 1000BASE-X SFP Port Cable Range Fiber Type Diameter Modal Transmission Range in meters (microns) Bandwidth (in feet) (MHz . km) 1000BASE-SX Multi-mode 62.5 2m - 220m (6.6 ft - 721.8 ft) Multi-mode 62.5 2m - 275m (6.6 ft - 902.3 ft) Multi-mode 2m - 500m (6.6 ft - 1640.5 ft) Multi-mode...

  • Page 44: Sfp Operation

    3CSFP97 SFP (1000BASE-LH70) ■ To access the latest list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your internet browser: http://www.3com.com SFP transceivers must be matched with the correct cable type as follows: 1000BASE-SX, 1000BASE-LX, 1000BASE-LH70 or 1000BASE-T: ■...

  • Page 45: Approved 100Base-X Sfp Transceivers

    SFP Operation 3Com recommends that you only use Gigabit Ethernet SFPs supplied by 3Com. If the SFP transceiver is invalid it will not be recognized by the Switch. Approved 100BASE-X The following list of approved 100Mbps SFP transceivers is correct at the SFP Transceivers time of publication.

  • Page 46: Removing An Sfp Transceiver

    2: I HAPTER NSTALLING THE WITCH CAUTION: The dual personality ports on the Switch 5500G-EI enable you to activate an RJ-45 port or an SFP port or a mixture of both (for example, on the 24 Port Switch, you can activate the RJ-45 ports 23 and 24 and the SFP ports 21 and 22 at the same time).

  • Page 47: Packing And Shipping The Switch 5500G-Ei

    Switch to 3Com. 5500G-EI WARNING: If returning the unit to 3Com for repair, ensure that you fit the rear blanking plates for the PSU and module. If the unit is received by 3Com without the blanking plates in place your warranty could be invalidated.
  • Page 48 2: I HAPTER NSTALLING THE WITCH...

  • Page 49: Setting U P For Management

    ETTING P FOR ANAGEMENT To make full use of the features offered by your Switch, and to change and monitor the way it works, you have to access the management software that resides on the Switch. This is known as managing the Switch.

  • Page 50: Methods Of Managing A Switch

    3: S HAPTER ETTING P FOR ANAGEMENT Methods of To manage your Switch you can use one of the following methods: Managing a Switch Command line interface management ■ Command line interface management using SSH ■ Web interface management ■ SNMP management ■...

  • Page 51: Web Interface Management

    You can manage a Switch using any network management workstation running the Simple Network Management Protocol (SNMP) as shown in Figure 20. For example, you can use the 3Com Network Director software, available from the 3Com website. Figure 20 SNMP Management over the Network...

  • Page 52: Setting Up Overview

    How do you want to connect to the Switch? configured IP information? Connect to the con- Connect to a front panel port Use 3Com Network Connect to the console sole port and use the and use the Web Interface or Director (3ND).

  • Page 53: Ip Configuration

    (Static IP addresses are necessary to ensure that the Switch is always allocated the same IP information.) For most installations, 3Com recommends that you configure the Switch IP information manually. This makes management simpler and more reliable as it is not dependent on a DHCP or BootP server, and eliminates the risk of the IP address changing.

  • Page 54: Preparing For Management

    For detailed information about the specific web interface operations and command line interface commands and problem solving, refer to the “SuperStack 4 Switch 5500 Command Reference Guide” on the CD-ROM that is supplied with the Switch or on the 3Com Web site.

  • Page 55: Manually Configuring Ip Information

    Manually Configuring IP Information Manually You can manually configure the Switch IP information in the following Configuring IP ways: Information Connecting to the console port — connect a workstation using a ■ console cable to the console port of the Switch. You can then manually enter IP information using the command line interface (CLI).
  • Page 56 3: S HAPTER ETTING P FOR ANAGEMENT Connecting the Workstation to the Switch 1 Connect the workstation to the console port using the console cable as shown in Figure Figure 22 Connecting a Workstation to the Switch via the Console Port Workstation Switch (with terminal emulation...
  • Page 57 Manually Configuring IP Information logged on correctly, the Switch name (e.g <5500G-EI>) should be displayed as shown in Figure Once you have logged in you will automatically be in User View. Figure 23 User View Login 3 Enter the system-view command and Enter. To confirm that you are in the System View, the following should be displayed: [5500G-EI]...

  • Page 58: Connecting To A Front Panel Port

    3: S HAPTER ETTING P FOR ANAGEMENT If you do not intend to use the command line interface via the console port to manage the Switch, you can disconnect the serial cable and close the terminal emulator software. Connecting to a Front To set up your Switch manually you can, alternatively, make a connection Panel Port to a front panel port.
  • Page 59 Manually Configuring IP Information Connecting the Workstation to the Switch 1 Connect the workstation to a front panel port using an Ethernet cable as shown in Figure Figure 24 Connecting a Workstation to the Switch via a Front Panel Port Switch Workstation (with a Network...
  • Page 60 3: S HAPTER ETTING P FOR ANAGEMENT 4 To enter basic setup information for the Switch, select Administration > IP Setup and then follow the wizard through various system screens to enter the IP address and subnet mask that you want the Switch to use when it is connected to the network.

  • Page 61: Viewing Automatically Configured Ip Information

    IP information before you can begin to Configured IP manage the Switch. You can discover the IP information in two ways: Information Using 3Com Network Director — this application will auto-discover ■ the Switch and display the automatically allocated IP information assigned to the Switch.

  • Page 62: Using 3Com Network Director

    DHCP or BootP server. If your network does not have a DHCP or BootP server, the workstation running 3Com Network Director must be on the same subnet as the Switch, because Auto-IP addresses are non-routable. Connecting to the...
  • Page 63 Viewing Automatically Configured IP Information If the login prompt does not begin immediately, press Return a few times until it starts. 3 At the login and password prompts, enter as your user name and admin press Return at the password prompt. If you have logged on correctly, the Switch name (e.g <5500G-EI>) is displayed as shown in the example in Figure Figure 26 User View Login...

  • Page 64: Setting Up Command Line Interface Management

    3: S HAPTER ETTING P FOR ANAGEMENT Setting Up This section describes how you can set up command line interface Command Line management using a local console port connection or over the network. Interface Management User Interface User interface configuration is provided by the Switch to configure and Overview manage the port data.

  • Page 65: Setting Up Command Line Interface Management Using Ssh

    SSH connections to the switch will be refused. 4 Install an SSH client application on the workstation you want to use to access the switch. 3Com recommends the following SSH clients; PuTTY, OpenSSH and SSH Communications Security Corp Secure Shell.

  • Page 66: Setting Up Web Interface Management

    3: S HAPTER ETTING P FOR ANAGEMENT 5 Open an SSH session and access the switch using the switch’s IP address and port number. The first time you connect to the switch the client will ask you to confirm that the host key is correct for the device. 6 The switch and the SSH client will authenticate each other and a secure connection will be established.

  • Page 67: Web Management Over The Network

    VLAN 1 (the Default VLAN). By default, all ports on the Switch are in VLAN 1. You can use the 3Com Network Director application that is available from the 3Com website to provide SNMP management for your Switch. If you use 3Com Network Director it automatically loads the correct MIBs and necessary files onto your workstation.

  • Page 68: Pre-Requisites

    3: S HAPTER ETTING P FOR ANAGEMENT Pre-requisites Documentation supplied with the SNMP network management ■ application software. The default read community string is public. To change this setting in System View, enter display snmp community. The default write community string is private. To change this setting in System View, enter display snmp community.

  • Page 69: Configuration Conversion Utility

    Conversion Utility enables you to convert the key configuration parameters from a range of 3Com SuperStack II and SuperStack 3 devices to the configuration file format used by your Switch 5500 Family unit. The utility provides conversion for a number of Switch features To download the CCU package, select the CCU link on the CD that accompanies your Switch 5500.
  • Page 70 3: S HAPTER ETTING P FOR ANAGEMENT...

  • Page 71: Creating An Xrn Stacking Fabric

    ■ Unit Numbering within the Fabric ■ How To Up to eight 3Com Switch 5500 units can be interconnected to create an Interconnect Units XRN Stacking Fabric and then treated as a single manageable unit with one IP address. You can interconnect your Switches to create an XRN Fabric using a standard 1000 Mbps Ethernet connection.
  • Page 72 4: C XRN S HAPTER REATING AN TACKING ABRIC Table 19 SuperStack 4 Switch 5500 Support for XRN Distributed Fabric Switch Port used XRN support Switch 5500-SI 28-Port Ports 27 (up port) and 28 (down Only supports DDM (3CR17151-91) port) using a 1000 Mbps SFP transceiver Switch 5500-SI 52-Port Ports 51 (up port) and 52 (down...
  • Page 73 How To Interconnect Units As with all Switch 5500 CLI commands, the format for entering a command that is port specific is x/y/z, where x = unit number, y = module number (in the case of the Switch 5500 this will always be 0), z = port number.

  • Page 74: Guidelines For Interconnecting Units

    The maximum number of Switch units that can be interconnected is ■ eight. It is not possible to create a Fabric by interconnecting a 3Com Switch ■ 5500 with any other 3Com device (such as a 5500G-EI) or mix Enhanced Image (EI) Switch 5500 units with Standard Image (SI) units.
  • Page 75 Unit Numbering within the Fabric Adding and removing units from the Fabric does not cause any renumbering to occur and the Fabric will continue to work normally. Renumbering only occurs when the Fabric is next power cycled if the units are configured to auto-number. The unit LEDs will display the unit number in the Fabric, from 1 to 8.
  • Page 76 4: C XRN S HAPTER REATING AN TACKING ABRIC...

  • Page 77: Problem Solving

    ROBLEM OLVING This chapter helps you to diagnose and solve problems you may have with the operation of your Switch. There is also an explanation of IP addressing and upgrading software. The topics covered are: Solving Problems Indicated by LEDs ■...

  • Page 78: Solving Problems Indicated By Leds

    5: P HAPTER ROBLEM OLVING Solving Problems If the LEDs on the Switch indicate a problem, refer to the list of suggested Indicated by LEDs solutions below. The PWR LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet.

  • Page 79: Solving Hardware Problems

    Solving Hardware Problems Auto-negotiation problems will occur with 10BASE-T or 100BASE-T where auto-negotiation is disabled and incorrect cables are being used (cross-over or straight) Auto-negotiation problems will occur with fiber if: The Receiver (RX) and Transceiver (TX) cable connectors are ■...
  • Page 80 RPS supply. 4 If another fan failure warning message is generated via the Command Line Interface or the Web interface, return the unit to 3Com. Unit fails, no SNMP fan failure message is received 1 Power cycle the unit. To do this, remove and reconnect the AC mains supply.

  • Page 81: Solving Communication Problems

    IP address of the router. The Switch’s IP address has been entered correctly in your network ■ management application (such as 3Com Network Director). The following is a brief overview of IP addressing, and how to obtain a registered IP address.
  • Page 82 If your IP network is internal to your organization only, that is, you do not access the Internet, you may use any arbitrary IP address as long as it is not being used by another device on your network. 3Com suggests you use addresses in the range 192.168.0.0 to 192.168.255.255 with a subnet mask of 255.255.255.0.

  • Page 83: Solving Fabric Formation Problems

    Solving Fabric Formation Problems Solving Fabric If you are having problems with correctly forming a fabric, first ensure Formation that Spanning Tree is enabled. If it is enabled, do the following: Problems 1 Power off all units in the fabric. 2 Check all the cable connections in the fabric.
  • Page 84 5: P HAPTER ROBLEM OLVING...

  • Page 85: Upgrading Software

    PGRADING OFTWARE This chapter describes how to upgrade software to your Switch 5500. It covers the following topics: The Contents of the Executable File ■ Upgrading from the Command Line Interface ■ Upgrading from the Bootrom Interface ■ Bootrom Upgrade ■...

  • Page 86: The Contents Of The Executable File

    Bundled files with the extension NetMan.zip, can be used to upgrade your Switch using the 3Com Network Director Agent Update. Any attempt to upgrade individual .web, .btm or .app files using 3Com Network Director will fail. These files should be used to upgrade your Switch as described below.
  • Page 87 Upgrading from the Command Line Interface Directory of unit1>flash:/ -rw- 714784 Apr 02 2005 01:36:16 s4h01_04.web -rw- 11043 Apr 02 2005 01:37:17 3ComOScfg.def -rw- 11427 Apr 02 2005 00:01:01 3ComOScfg.cfg -rw- 4529259 Apr 02 2005 01:39:57 s4b03_01_04s56.app 15367 KB total (10215 KB free) 2 You can check the contents of the flash for the remaining units in the fabric by entering: dir unit2>flash:...
  • Page 88 Replace unit1 with unit2 and so on for each Switch in the fabric. 2 The active configuration file can been given any name, provided it ends in the extension .cfg. 3Com recommends that each fabric is given a unique configuration file name so that when the file is saved to an external TFTP server, it is clear which fabric the file belongs to.

  • Page 89: Tftp

    Upgrading from the Command Line Interface (where aaa.aaa.aaa.aaa is the IP address of the TFTP server) Replace unit1 with unit2 and _1.cfg with _2.cfg and so on for each Switch in the fabric. 3 The Web user interface file and the application file must be the same on all switches in the fabric.
  • Page 90 6: U HAPTER PGRADING OFTWARE File Distribution The following commands enable you to distribute your downloaded files to the remaining Switches in the fabric: 1 To copy the new software file to each Switch in the fabric, enter the following from User View: copy unit1>flash:/s4a03_01_04s56.app unit2>flash:/ Replace unit2 with unit3 and so on for each Switch in the fabric.

  • Page 91: Ftp (Via A Network Port)

    Upgrading from the Command Line Interface 3 You will now need to reboot the fabric for the changes to take effect. The Switch will upgrade the bootrom firmware and boot from the specified software .app file. The files that you have saved in the backup phase should be deleted once the upgrade has completed successfully.

  • Page 92: Xmodem (Via The Console Cable)

    6: U HAPTER PGRADING OFTWARE 4 Copy these files as described in “File Distribution”, steps 1 to 4 on page 5 Now activate these files as described in “Command Line Interface Switch Setup”, steps 1 to 3 on page XModem (via the To upgrade software to your Switch via XModem do the following: console cable) 1 From the User View, enter:...

  • Page 93: Upgrading From The Bootrom Interface

    Upgrading from the Bootrom Interface Upgrading from the This section describes how to upgrade your Switch from the Bootrom Bootrom Interface Interface. Introduction When the Switch is running the initial boot phase via the console, the following prompt is displayed with a five second countdown timer: Press CTRL-B to enter Boot Menu...

  • Page 94: Tftp

    6: U HAPTER PGRADING OFTWARE File Number File Size(bytes) File Name 3(*) 4649088 s4b03_01_04s56.app 576218 s4h01_04.web 10301 3comoscfg.def 10369 3comoscfg.cfg 10369 [test.cfg] Free Space: 10469376 bytes The current application file is s4b03_01_04s56.app (*)-with main attribute; (b)-with backup attribute (*b)-with main and backup attribute This option displays all the files in flash and also indicates the file that the Switch is currently set to boot from (marked with an asterix).

  • Page 95: Ftp

    Upgrading from the Bootrom Interface 3. Set XMODEM protocol parameter 0. Return to boot menu Enter your choice(0-3): 2 Select option 1 to display the following: Load File name: Switch IP address: Server IP address: 3 Enter the file name, Switch IP address and Server IP address to display the following: Are you sure to download file to flash? Yes or No(Y/N) 4 Enter y and the following information is displayed to indicate the file is...

  • Page 96: Xmodem

    6: U HAPTER PGRADING OFTWARE Are you sure to download file to flash? Yes or No(Y/N) 4 Enter y and the following information is displayed to indicate the file is downloading: Loading..done Free flash Space: 10456064 bytes Writing flash..done! Please input the file attribute (main/backup/none):none done! 5 Repeat steps 1 to 4 for each of the remaining files.

  • Page 97: Bootrom Upgrade

    Bootrom Upgrade 5 As the file is downloading, start the XModem send file process with terminal emulation software, such as Microsoft Hyperterminal. When the download is complete, the following information is displayed: Please input the file attribute (main/backup/none):none done! 6 Repeat steps 1 to 5 for each of the remaining files. Bootrom Upgrade This section describes how to indicate which file the Switch is to boot from once the software has been loaded.

  • Page 98: Bootrom Upgrade Via Tftp

    6: U HAPTER PGRADING OFTWARE Bootrom Upgrade via To upgrade the bootrom firmware from the Boot menu via TFTP do the TFTP following: 1 From the Boot menu, select option 6 to display the bootrom upgrade menu as shown: Bootrom update menu: 1.

  • Page 99: Bootrom Upgrade Via Xmodem

    Bootrom Upgrade Load File name: Switch IP address: Server IP address: FTP User Name: FTP User Password: 3 Enter the file name, Switch IP address, Server IP address, FTP user name and password to display the following: Are you sure to update your bootrom? Yes or No(Y/N) 4 Enter y and the following information is displayed to indicate the file is downloading: Attached TCP/IP interface to netdrv0...
  • Page 100 6: U HAPTER PGRADING OFTWARE If supported, you can select Option 5 to increase the speed of the download. 4 Press Enter to start the download. The following information is displayed: Now please start transfer file with XMODEM protocol If you want to exit, Press <Ctrl+X> Loading ...CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 5 As the file is downloading, start the XModem send file process with...

  • Page 101: A Safety Information

    AFETY NFORMATION You must read the following safety information before carrying out any installation or removal of components, or any maintenance procedures on the Switch 5500. WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit.

  • Page 102: Power Cord Set - Japan

    A: S PPENDIX AFETY NFORMATION przestrzegać wszystkich wskazówek. Przed instalacją lub demontażem urządzenia należy uważnie przeczytać poniższe informacje o bezpieczeństwie. Power Cord Set — Japan Important Safety Information WARNING: Installation and removal of the unit must be carried out by qualified personnel only.
  • Page 103 Important Safety Information Europe only: The supply plug must comply with CEE 7/7 (“SCHUKO”). ■ The mains cord must be <HAR> or <BASEC> marked and ■ be of type H03VVF3GO.75 (minimum). Denmark The supply plug must comply with section 107-2-D1, ■...
  • Page 104 WARNING: A standard 'positive-earthed' -48V redundant power system suitable for use with telecommunications equipment should not be used with the 3Com Power-over-Ethernet (PoE) network switches. In order to meet the IEEE 802.3af (PoE) specification, the -48V output must be isolated from earth (ground) and meet the isolation requirements in that specification.

  • Page 105: L'information De Sécurité Importante

    L’information de Sécurité Importante WARNING: Ensure that the circuit breaker in the RPS is in the open (off) position when connecting the cable to the RPS and the cable and connector to the Switch. WARNING: You must ensure that the positive terminal on the Switch is connected to the positive (common) terminal of the RPS and that the negative terminal on the Switch is connected to the negative (circuit breaker) terminal of the RPS.
  • Page 106 A: S PPENDIX AFETY NFORMATION AVERTISSEMENT: Cordon électrique: Il doit être agréé ans le pays d'utilisation: Etats-Unis et Le cordon doit avoir reçu l'homologation des UL et un ■ Canada certificat de la CSA Le cordon souple doit respecter, à titre minimum, les ■...
  • Page 107 L’information de Sécurité Importante AVERTISSEMENT: Points d’accès RJ-45. Ceux-ci sont protégés par des prises de données. Ils ne peuvent pas être utilisés comme prises de téléphone conventionnelles standard, ni pour la connection de l’unité à un réseau téléphonique central privé ou public. Raccorder seulement connecteurs de données RJ-45, systèmes de réseaux de téléphonie ou téléphones de réseaux à...
  • Page 108 -48 V standard (à terre positive) prévu pour les équipements de télécommunications n'est pas appropriée aux commutateurs réseau Power-over-Ethernet (PoE) 3Com. Pour être conforme à la spécification IEEE 802.3af (PoE), la sortie -48V doit être isolée de la terre et respecter les exigences d'isolation de cette spécification.

  • Page 109: Wichtige Sicherheitsinformationen

    Wichtige Sicherheitsinformationen Wichtige Sicherheitsinformationen VORSICHT: Alle Verfahren die in dieser Anleitung beschrieben werden gelten für alle Modelle, sofern nicht anders angegeben. Wo eine Vorgehensweise für die Schalter 5500 gilt wird nur der Begriff Schalter verwendet. Diese Anleitung ist für Netzwerkadministratoren vorgesehen, die für die Installation und das Einstellen von Netzwerkkomponenten verantwortlich sind;...
  • Page 110 A: S PPENDIX AFETY NFORMATION VORSICHT: Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen (Sicherheitskleinstspannung) gemäß IEC 60950. Diese Bedingungen sind nur gegeben, wenn auch die an das Gerät angeschlossenen Geräte unter SELV-Bedingungen betrieben werden. VORSICHT: RJ-45-Porte. Diese Porte sind geschützte Datensteckdosen. Sie dürfen weder wie normale traditionelle Telefonsteckdosen noch für die Verbindung der Einheit mit einem traditionellem privatem oder öffentlichem Telefonnetzwerk gebraucht werden.
  • Page 111 VORSICHT: Ein "positiv geerdetes" Standard-RPS-System mit -48 V, das für die Nutzung mit Telekommunikationsgeräten geeignet ist, darf nicht für die 3Com Netzwerk-Switches mit Power-over-Ethernet (PoE) verwendet werden. Zur Einhaltung der Spezifikationen gemäß IEEE 802.3af (PoE) muss der -48-V-Ausgang gegen Erde isoliert sein und den Isolierungsanforderungen in der Spezifikation entsprechen.

  • Page 112: Información De Seguridad Importante

    A: S PPENDIX AFETY NFORMATION Información de Seguridad Importante ADVERTENCIA: La instalación o la extracción de la unidad sólo debe llevarla a cabo personal cualificado. ADVERTENCIA: Si instala el 5500 en una pila con unidades SuperStack II o SuperStack 3 que son más estrechas que el 5500, la unidad 5500 debe instalarse debajo de las unidades más estrechas.
  • Page 113 Información de Seguridad Importante ADVERTENCIA: El acoplador del equipo (el conector para la unidad y no la toma de la pared) debe tener una configuración que se adapte a una entrada del equipo EN60320/IEC320. ADVERTENCIA: El enchufe debe estar cerca de la unidad y ser de fácil acceso.
  • Page 114 V con "toma de tierra positiva" adecuados para su uso con equipamiento de telecomunicaciones no deben utilizarse con los Switches de red Power-over-Ethernet (potencia sobre Ethernet, PoE) de 3Com. Para cumplir la especificación IEEE 802.3af (PoE), la salida de -48 V debe estar aislada de tierra y cumplir los requisitos de aislamiento de esa especificación.

  • Page 115: Importanti Informazioni Di Sicurezza

    Importanti Informazioni di Sicurezza ADVERTENCIA: Deberá asegurarse de que el terminal positivo del Switch está conectado al terminal positivo (común) del RPS, y de que el terminal negativo del Switch está conectado al terminal negativo (disyuntor) del RPS. ADVERTENCIA: El Switch 5500 PWR y 5500G-EI admite Power over Ethernet en todos los puertos del panel frontal.
  • Page 116 A: S PPENDIX AFETY NFORMATION Solo Europa "La spina di alimentazione deve essere conforme CEE 7/7 ■ (tipo "SCHUKO"). "Il cavo dell'alimentazione di rete deve essere ■ contrassegnato dai marchi <HAR> o <BASEC> ed essere di tipo H03VVF3G1.0 (minimo). Danimarca "La spina di alimentazione deve essere conforme alla ■...
  • Page 117 SELV in conformità con le norme IEC 60950-1/UL 60950-1/EN 60950-1. AVVERTENZA: Con gli switch di rete Power-over-Ethernet (PoE) 3Com non devono essere utilizzati Redundant Power System standard da -48 V con messa a terra positiva per le apparecchiature di telecomunicazione. In conformità...

  • Page 118: Ważne Informacje O Zabezpieczeniach

    A: S PPENDIX AFETY NFORMATION AVVERTENZA: Quando si collega il cavo all'RPS, si consiglia di rispettare le raccomandazioni fornite dal fabbricante. AVVERTENZA: Prima di collegare il cavo all'RPS e il cavo e il connettore allo switch, verificare che il salvavita si trovi in posizione Acceso (spento). AVVERTENZA: è...
  • Page 119 Wa¿ne informacje o zabezpieczeniach Wielka Brytania Wtyczka musi być zgodna z normą BS1363 (3-pinowa 13 ■ amperów) i musi być wyposażona w bezpiecznik 5A zgodny z normą BS1362. Przewód sieci zasilającej musi być oznaczony <HAR> lub ■ <BASEC> i musi być typu H03VVF3g0.75 (minimum). Europa Wtyczka zasilająca musi być...
  • Page 120 OSTRZEZENIE: Standardowe „dodatnio-uziemione” systemy zasilania nadmiarowego o napięciu prądu stałego -48 V, które są używane ze sprzętem telekomunikacyjnym, nie powinny być używane do pracy z przełącznikami sieciowymi Power-over-Ethernet (PoE) firmy 3Com. Aby były spełnione wymagania specyfikacji IEEE 802.3af (PoE), wyjście -48...
  • Page 121 Wa¿ne informacje o zabezpieczeniach V musi być odizolowane od uziemienia (masy) i spełniać wymagania izolacyjne tej specyfikacji. OSTRZEŻENIE: Te instrukcje należy przeczytać razem z charaktery- styką zasilającego prądu stałego przełącznika Switch 5500 opisaną w Dodatku C, Specyfikacja techniczna. OSTRZEŻENIE: Podczas podłączania kabla do zasilacza RPS i kabla oraz złącza zasilacza do przełącznika należy upewnić...
  • Page 122 A: S PPENDIX AFETY NFORMATION...

  • Page 123: Pin - Outs

    OUTS Null Modem Cable RJ-45 to RS-232 25-pin Switch 5500 PC/Terminal Cable connector: RJ-45 female Cable connector: 25-pin male/female Screen Screen only required if screen Shell always required Ground Ground required for handshake PC-AT Serial Cable RJ-45 to 9-pin Switch 5500 PC-AT Serial Port Cable connector: RJ-45 female Cable connector: 9-pin female...

  • Page 124: Modem Cable

    B: P PPENDIX OUTS Modem Cable RJ-45 to RS-232 25-pin Switch 5500 RS-232 Modem Port Cable connector: RJ-45 female Cable connector: 25-pin male Screen Screen Shell Ground Ground Ethernet Port RJ-45 10/100 and 1000BASE-T RJ-45 connections. Pin Assignments Table 10 Pin assignments Pin Number 10/100 1000...
  • Page 125 Ethernet Port RJ-45 Pin Assignments Table 11 Pin assignments Pin Number 10/100 1000 Ports configured as MDIX Receive Data + Bidirectional Data B+ Receive Data - Bidirectional Data B- Transmit Data + Bidirectional Data A+ Not assigned Bidirectional Data A- Not assigned Bidirectional Data D+ Transmit Data –...
  • Page 126 B: P PPENDIX OUTS...

  • Page 127: Technical Specifications

    ECHNICAL PECIFICATIONS This section contains the technical specifications for the following: Switch 5500 (28 Port) ■ Switch 5500 PWR (28 Port) ■ Switch 5500 (52 Port) ■ Switch 5500 PWR (52 Port) ■ Switch 5500 FX (28 Port) ■ Switch 5500G-EI (24 Port) ■...

  • Page 128: Switch 5500 (28 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 95% non-condensing Standards EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13). Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No. 60950, IEC 60950...

  • Page 129: Switch 5500 Pwr (28 Port)

    –40 ° to +70 °C (-40 ° to 158 °F) Operating Humidity 10-95% non-condensing Standards EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13). Safety Agency Certifications UL60950, EN60950, CSA 22.2 No. 60950, IEC 60950...

  • Page 130: Switch 5500 (52 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 95% non-condensing Standards EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13). Safety Agency Certifications UL60950, EN60950, CSA 22.2 No. 60950, IEC 60950...

  • Page 131: Switch 5500 Pwr (52 Port)

    –40 ° to +70 °C (-40 ° to 158 °F) Operating Humidity 10-95% non-condensing Standards EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13). Safety Agency Certifications UL60950, EN60950, CSA 22.2 No. 60950, IEC 60950...

  • Page 132: Switch 5500 Fx (28 Port)

    –40 ° to +70 °C (-40 ° to 158 °F) Operating Humidity 10-95% non-condensing Standards EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13). Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No. 60950, IEC 60950...

  • Page 133: Switch 5500G-Ei (24 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 10–95% relative humidity, non-condensing Standards EN60068 to 3Com schedule (package testing: paras 2.1, 2.2, 2.30 and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13. Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No.

  • Page 134: Switch 5500G-Ei Pwr (24 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 10–95% relative humidity, non-condensing Standards EN60068 to 3Com schedule (package testing: paras 2.1, 2.2, 2.30 and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13. Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No.

  • Page 135: Switch 5500G-Ei (48 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 10–95% relative humidity, non-condensing Standards EN60068 to 3Com schedule (package testing: paras 2.1, 2.2, 2.30 and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13. Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No.

  • Page 136: Switch 5500G-Ei Pwr (48 Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 10–95% relative humidity, non-condensing Standards EN60068 to 3Com schedule (package testing: paras 2.1, 2.2, 2.30 and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13. Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No.

  • Page 137: Switch 5500G-Ei Sfp (24-Port)

    –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 10–95% relative humidity, non-condensing Standards EN60068 to 3Com schedule (package testing: paras 2.1, 2.2, 2.30 and 2.32. Operational testing: paras 2.1, 2.2, 2.30 and 2.13. Safety Agency Certifications UL 60950, EN60950, CSA 22.2 No.

  • Page 138: Rps

    C: T PPENDIX ECHNICAL PECIFICATIONS Standards Supported SNMP Terminal Emulation SNMP protocol (RFC 1157) Telnet (RFC 854) MIB-II (RFC 1213) Protocols Used for Administration Bridge MIB (RFC 1493) UDP (RFC 768) RMON MIB II (RFC 2021) IP (RFC 791) Remote Monitoring MIB (RFC ICMP (RFC 792) 1757) TCP (RFC 793)

  • Page 139: Earthing Lead

    Earthing Lead Earthing Lead Safety Requirements The Earthing Lead shall comply with the following safety standards: UL Subject 758, UL 1581 and CSA C22.2 No. 210 UL VW-1 and CSA FT1 Vertical Flame Test Voltage Rating 600V Insulation Thickness 0.4mm Insulation Color Green/Yellow...
  • Page 140 C: T PPENDIX ECHNICAL PECIFICATIONS...

  • Page 141: Upport For Your Product

    More information on 3Com maintenance and Professional Services is available at http://www.3com.com/ Contact your authorized 3Com reseller or 3Com for a complete list of the value-added services available in your area.

  • Page 142: Troubleshoot Online

    PPENDIX BTAINING UPPORT FOR YOUR RODUCT Troubleshoot You will find support tools posted on the 3Com web site at Online http://www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. This query-based interactive tool is located at and contains thousands of technical http://knowledgebase.3com.com...

  • Page 143: Contact Us

    Contact Us To send a product directly to 3Com for repair, you must first obtain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be returned to the sender unopened, at the sender’s expense. If your...
  • Page 144 You can also obtain support in this region using the following URL: http://emea.3com.com/support/email.html Latin America Telephone Technical Support and Repair Antigua 1 800 988 2112 Guatemala AT&T +800 998 2112 Argentina 0 810 444 3COM Haiti 57 1 657 0888 Aruba 1 800 998 2112 Honduras AT&T +800 998 2112 Bahamas...

  • Page 145: Index

    81 IP configuration 53 LEDs 20 access levels of default users 68 logging in as a default user 68 automatic setup 61 3Com Network Director 62 console port 62 management methods 50 preparing for 54 browsers setting up 49, 52...
  • Page 146 NDEX choosing 66 web interface safety information choosing a browser 66 English 102 web interface management 51 French 105 setting up 66 German 109 Italian 115 Polish 118 Spanish 112 XModem 92 operation 43 Distributed Fabric 71, 72 transceivers 44, 45 Fully Resilient Fabric 73 Simple Network Management Protocol.
  • Page 147 Warning: This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. You must only insert a 3Com approved SFP transceiver into the Switch. These are listed in the "Approved SFP Transceivers" section of the Getting Started Guide.

This manual is also suitable for:

5500 si - switch - stackableSuperstack 4 5500-si 28-portSuperstack 4 5500-si 52-portSuperstack 4 5500-ei 28-portSuperstack 4 5500-ei 52-portSuperstack 4 5500-ei 28-port fx ... Show all

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