3Com SuperStack 3 3870 Getting Started Manual

Published October 2005 SuperStack® 3 Switch 3870 Family Getting Started Guide 3CR17450-91 3CR17451-91 ...

Marlborough MA USA 01752-3064 Copyright © 2004, 2005, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation. 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time wit ...

Conventions 6 Related Documentation 7 Accessing Online Documentation 7 Documentation Comments 8 1 INTRODUCING THE SWITCH 3870 Overview of the Switch 3870 9 Summary of Hardware Features 10 Physical Features 11 Front Panel 11 Rear Panel 15 Default Settings 16 2 INSTALLING THE SWITCH Package Contents 20 Choosing a Suitable Site 20 Rack-Mounting the Switch 21 Montagesatz Anweisungen 22 Placing Units On Top of Each Other 23 Supplying P ...

Overview of Management Setup 30 IP Configuration 31 Preparing for Management 32 Manually Configuring IP Information 33 Connecting to the Console Port 33 Viewing Automatically Configured IP Information 36 Using 3Com Network Supervisor 36 Connecting to the Console Port 36 Methods of Managing a Switch 39 Command Line Interface Management 39 Web Interface Management 40 SNMP Management 40 Setting Up Command Line Interface Management ...

58 L’information de Sécurité Importante 60 Wichtige Sicherheitsinformationen 63 Información de Seguridad Importante 64 Importanti Informazioni di Sicurezza 67 Ważne Informacje o Zabezpieczeniach 69 B PIN-OUTS Null Modem Cable 73 PC-AT Serial Cable 73 RJ-45 Pin Assignments 74 C TECHNICAL SPECIFICATIONS Switch 3870 (24 Port) 75 Switch 3870 (48 Port) 76 D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product to Gain Servi ...

This guide provides all the information you need to install and use 3Com® SuperStack® 3 Switch 3870 (24 and 48 port) in its default state. The guide is intended for use by network administrators who are responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks). Please refer to the CD-ROM that accompanies your Switch for the following: ■ Management Inter ...

Conventions Table 1 and 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. Warning Information that alerts you to potential personal injury. Table 2 Text Conventions Convention ...

following: ■ Management Quick Reference Guide This guide contains: ■ A list of software features supported by each Switch. ■ A summary of the Web interface and command line interface commands for the Switch. ■ Release Notes These notes provide information about the current software release, including new features, modifications, and k ...

To access the online documentation from the CD-ROM: 1 Insert the CD-ROM into the relevant CD-ROM drive. If your PC has auto-run enabled, a splash screen will be displayed automatically. 2 Select the Documentation section from the contents page. If the online documentation is to be accessed from a local drive or server, you will need to access the CD-ROM contents via the root directory and copy the files from the CD-ROM to a suitable dire ...

This chapter contains introductory information about the Switch 3870 and how it can be used in your network. It covers summary information about the hardware and the following topics: ■ Overview of the Switch 3870 ■ Physical Features ■ Default Settings Overview of the Switch 3870 The Switch 3870 24 port unit is a mixed media device that consists of: ■ 24 10BASE-T/100BASE-TX/1000BASE-T RJ-45 ports and ■ Four 10/100/10 ...

Summary of Hardware Features Table 3 summarizes the hardware features that are supported by the Switch 3870. Table 3 Hardware Features Feature Description MAC Addresses Up to 16,000 supported Forwarding Modes Store and forward Auto-negotiation Supported on all ports Auto MDI/MDIX Supported on all ports Duplex Modes Half and full-duplex on all ports SFP Gigabit Ethernet Ports Supports fiber Gigabit Ethernet short- ...

Switch 3870. Front Panel The front panel includes 24 or 48 10BASE-T/100BASE-TX/1000BASE-T network ports depending on the specific model you have purchased, 4 SFP ports that are shared with the last four RJ-45 ports (that is, port 21-24 on the 24-port Switch or port 45-48 on the 48-port Switch), an RJ-45 console port for management access, and v ...

connect RJ-45 data connectors, network telephony systems, or network telephones to these sockets. Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets. 10BASE-T/100BASE-TX/1000BASE-T Ports The 10BASE-T/100BASE-TX/1000BASE-T ports have RJ-45 connectors and are configured as Auto MDIX (cross-over). The default state for these ports is auto-negotiation enab ...

19,200 baud), 8 data bits, no parity, and 1 stop bit. LEDs Table 4 lists LEDs visible on the front of the Switch, and how to read their status according to color. For information on using the LEDs for problem solving, see “Checking for Correct Operation of LEDs” on page 24. Table 4 LED Behavior LED Color Indicates Port Status/Packet LEDs Green A high speed (100 ...

Module LEDs Packet Yellow Packets are being transmitted/received on the port. Off No packets are being transmitted/received on the port. Status Green The module is installed and supported and the link status has been determined. Yellow The module is installed and supported but there is no link or an indeterminate link status. Yellow flashing The module is installed but not supported or has failed POST. Off The modu ...

power socket, a slot for an optional expansion module, and two stacking ports. Figure 3 Rear View of the Switch 3870 Expansion Module Slot You can use this slot to install a 10-Gigabit Ethernet expansion module. Contact your supplier for further information. WARNING: When an expansion module is not installed, ensure the blanking plate is fitted by tighteni ...

Some combinations of stacked 24-port and 48-port units restrict the number of modules supported by the stack. Table 5 shows which stack configurations restrict the number of supported modules. Table 5 Maximum Stack Configurations Default Settings Table 6 shows the default settings for the Switch 3870. If you initialize one of the Switch units, it is returned to these defaults. Table 6 Default Settings Type of U ...

the Web interface or by entering system control initialize on the command line interface, the following settings are retained to allow you to connect to and manage the Switch: ■ IP address ■ Subnet mask ■ Default gateway ...