3Com SUPERSTACK 3 3870 Series Getting Started Manual
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3Com SUPERSTACK 3 3870 Series Getting Started Manual

Superstack 3 switch 3870 family
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SuperStack

Getting Started Guide

3CR17450-91
3CR17451-91
http://www.3com.com/
Part No. DUA1745-0AAA02
Published August 2004
3 Switch 3870 Family
®

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Summary of Contents for 3Com SUPERSTACK 3 3870 Series

  • Page 1: Getting Started Guide

    SuperStack 3 Switch 3870 Family ® Getting Started Guide 3CR17450-91 3CR17451-91 http://www.3com.com/ Part No. DUA1745-0AAA02 Published August 2004...
  • 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 Conventions Related Documentation Accessing Online Documentation Documentation Comments 3870 NTRODUCING THE UPER TACK WITCH About the Switch 3870 Summary of Hardware Features Switch 3870 — Front View Detail 10BASE-T/ 100BASE-TX/ 1000BASE-T Ports Dual Personality SFP Ports Console Port LEDs Switch 3870 —...
  • Page 4 IP Configuration Preparing for Management Manually Configuring IP Information Connecting to the Console Port Viewing Automatically Configured IP Information Using 3Com Network Supervisor Connecting to the Console Port Methods of Managing a Switch Command Line Interface Management Web Interface Management...
  • Page 5 AFETY NFORMATION Power Cord Set — Japan Important Safety Information L’information de Sécurité Importante Wichtige Sicherheitsinformationen OUTS Null Modem Cable PC-AT Serial Cable Modem Cable RJ-45 Pin Assignments ECHNICAL PECIFICATIONS Switch 3870 BTAINING UPPORT FOR YOUR RODUCT Register Your Product to Gain Service Benefits Purchase Value-Added Services Troubleshoot Online Access Software Downloads...

  • Page 7: About This Guide

    BOUT UIDE ® 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;...

  • Page 8: 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 9: Related Documentation

    Documentation accompanying the Expansion Module. ■ Documentation accompanying the SFP Transceivers. ■ Documentation accompanying 3Com Network Supervisor. This is ■ supplied on the CD-ROM that accompanies the Switch. Accessing Online The CD-ROM supplied with your Switch contains the following online...

  • Page 10: Documentation Comments

    3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: Document title, Document part number (on the title page) and Page number (if appropriate). Example: Part Number DUA1745-0AAA01 3Com SuperStack 3 Switch 3870 Getting Started Guide Page 21...
  • Page 11 NTRODUCING THE UPER TACK 3870 WITCH 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: About the Switch 3870 ■ Switch 3870 —...

  • Page 12: Introducing The Super Stack 3 Switch

    1: I 3870 HAPTER NTRODUCING THE UPER TACK WITCH About the Switch The Switch 3870 24 port unit is a mixed media device which consists of: 3870 24 10BASE-T/100BASE-TX/1000BASE-T RJ-45 ports, of which 4 are ■ Dual Personality 10/100/1000BASE-T/1000BASE-X SFP ports 4 Dual Personality 10/100/1000BASE-T/1000BASE-X SFP ports ■...

  • Page 13: Switch 3870 - Front View Detail

    Switch 3870 — Front View Detail Switch 3870 — Figure 1 Switch 3870 (24 ports) — front view Front View Detail Stack Status/ Stack Master LEDs Fault LED Power/Self Test LED Port Status LEDs Module Status LED Module Activity LED Console Port Fault Power...

  • Page 14: 10Base-T/ 100Base-Tx/ 1000Base-T Ports

    1: I 3870 HAPTER NTRODUCING THE UPER TACK WITCH 10BASE-T/ The 10BASE-T/100BASE-TX/1000BASE-T ports have RJ-45 connectors and 100BASE-TX/ are configured as Auto MDIX (cross-over). 1000BASE-T Ports 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.

  • Page 15: Leds

    Switch 3870 — Front View Detail 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” page Table 4 LED behavior Color...
  • Page 16 1: I 3870 HAPTER NTRODUCING THE UPER TACK WITCH Color Indicates Module LEDs Packet Yellow Packets are being transmitted/received on the port. No packets are being transmitted/received on the port. Status Green The Module is installed and supported and the Link Status has been determined.

  • Page 17: Switch 3870 - Rear View Detail

    Switch 3870 — Rear View Detail Switch 3870 Rear — Figure 3 Switch 3870 — rear view View Detail Expansion Module Slot Power Socket Stacking Cable Port (Up) Stacking Cable Port (Down) Redundant Power System Socket Expansion Module You can use this slot to install an Expansion Module. Contact your Slot supplier for further information.

  • Page 18: Default Settings

    1: I 3870 HAPTER NTRODUCING THE UPER TACK WITCH Some combinations of stacked 24 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 Type of Unit Total Units in the Stack Maximum Modules...
  • Page 19 Default Settings Feature Switch 3870 Link Aggregation Control Disabled per port Protocol (LACP) Spanning Tree Protocol Enabled Smart Auto-sensing Enabled If you initialize a Switch unit by selecting System > Control > Initialize in the Web interface or by entering system control initialize in the Command Line Interface, the following settings are retained to allow you to connect to and manage the Switch: IP Address...
  • Page 20 1: I 3870 HAPTER NTRODUCING THE UPER TACK WITCH...

  • Page 21: Installing The Switch

    NSTALLING THE WITCH This chapter contains the information you need to install and set up the Switch 3870. It covers the following topics: Package Contents ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On Top of Each Other ■...

  • Page 22: Package Contents

    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 23: Rack-Mounting

    Rack-mounting If the Switch is installed in a 19-inch rack or closed assembly its local air temperature may be greater than room ambient temperature. The air is as free from dust as possible. ■ The Switch is situated away from sources of conductive (electrical) ■...

  • Page 24: Placing Units On Top Of Each Other

    2: I HAPTER NSTALLING THE WITCH Figure 4 Fitting a bracket for rack-mounting You must use the screws supplied with the securing brackets. Damage caused to the unit by using incorrect screws invalidates your warranty. 4 Repeat steps 2 and 3 for the other side of the Switch. 5 Insert the Switch into the 19-inch rack and secure with suitable screws (not provided).

  • Page 25: The Power-Up Sequence

    The Power-up Sequence The Power-up The following sections describe how to get your Switch 3870 Sequence powered-up and ready for operation. Powering-up the Use the following sequence of steps to power-up the Switch. Switch 3870 1 Plug the power cord into the power socket at the rear of the Switch. 2 Plug the other end of the power cord into your power outlet.

  • Page 26: Choosing The Correct Cables

    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.). Table 8 Cables required to connect the Switch to other devices if...

  • Page 27: Sfp Operation

    SFP Operation 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 28 If the SFP transceiver is faulty, it will not operate within the Switch. See “Solving Hardware Problems” page 3Com recommends that you only use SFPs supplied by 3Com. If the SFP transceiver is invalid it will not be recognized by the Switch. Use the following sequence of steps to activate the SFP ports: 1 The SFP transceiver is keyed and there is only one way in which it can be installed correctly.

  • Page 29: Removing An Sfp Transceiver

    SFP Operation Figure 5 Inserting an SFP Transceiver Product label Suitable port on host Switch 5 Use and appropriate cable to connect the transceiver to a suitable device. 6 Check the LEDs on the front of the Switch to ensure that it is operating correctly.
  • Page 30 2: I HAPTER NSTALLING THE WITCH...

  • Page 31: Setting U P For Management

    ETTING P FOR ANAGEMENT Your Switch can operate in its default state, that is, you can install it and it will work straight away (plug-and-play). However, to make full use of the features offered by the Switch, and to change and monitor the way it works, you have to access the management software that resides on the Switch.

  • Page 32: Setting Up Overview

    How do you want to view the automatically How do you want to connect to the Switch? configured IP information? Connect to a front Connect to the console Use 3Com Network Connect to the console panel port and use the port and use the Supervisor (3NS).

  • Page 33: 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 server, and eliminates the risk of the IP address changing.

  • Page 34: Preparing For Management

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

  • Page 35: Manually Configuring Ip Information

    Manually Configuring IP Information Manually You can manually configure the Switch IP information in the following Configuring IP way: 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 36 3: S HAPTER ETTING P FOR ANAGEMENT Connecting the Workstation to the Switch 1 Connect the workstation to the console port using an RJ-45 to DB9 converter cable and a standard null modem cable as shown in Figure Figure 7 Connecting a workstation to the Switch via the console port Workstation Switch (with terminal emulation...
  • Page 37 Manually Configuring IP Information 2 At the login and password prompts, enter admin as your user name and press Return at the password prompt. If you have logged on correctly, the top-level menu of the command line interface is displayed as shown in the example in Figure Figure 8 Example top-level command line interface menu...

  • Page 38: Viewing Automatically Configured Ip Information

    IP address the Switch will be given. Refer to the documentation that accompanies your DHCP server. If your network does not have a DHCP server, the workstation running 3Com Network Supervisor must be on the same subnet as the Switch, because Auto-IP addresses are non-routable. Connecting to the...
  • Page 39 Viewing Automatically Configured IP Information A suitable cable: ■ An RJ-45 to DB9 converter cable. ■ A standard null modem cable — if you are connecting directly to ■ the console port, or A standard modem cable — if you are connecting to the console ■...
  • Page 40 3: S HAPTER ETTING P FOR ANAGEMENT Refer to the documentation that accompanies the terminal emulation software for more information. Viewing IP Information via the Console Port You are now ready to view the automatically allocated IP information using the command line interface. 1 Connect your Switch to the network using an Ethernet cable.

  • Page 41: Methods Of Managing A Switch

    Methods of Managing a Switch The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method. See “Methods of Managing a Switch” page 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.

  • Page 42: Web Interface Management

    You can manage a Switch using any network management workstation running the Simple Network Management Protocol (SNMP) as shown in Figure 14. For example, you can use the 3Com Network Supervisor software that is provided on the CD-ROM that accompanies your Switch. Figure 14 SNMP management over the network...

  • Page 43: Cli Management Via The Console Port

    Setting Up Command Line Interface Management CLI Management via To manage a Switch using the command line interface via the local the Console Port console port connection: 1 Ensure you have connected your workstation to the console port correctly as described in “Connecting to the Console Port”...

  • Page 44: Setting Up Web Interface Management

    3: S HAPTER ETTING P FOR ANAGEMENT Setting Up Web This section describes how you can set up web interface management Interface over the network. Management Pre-requisites Ensure you have already set up the Switch with IP information as ■ described in “Setting Up Overview”...

  • Page 45: 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 Supervisor application that is provided on the CD-ROM that accompanies your Switch to provide SNMP management for your Switch. If you use 3Com Network Supervisor it automatically loads the correct MIBs and necessary files onto your workstation.

  • Page 46: Default Users And Passwords

    3: S HAPTER ETTING P FOR ANAGEMENT To manage your Switch using an SNMP network management application, you need to specify SNMP community strings for the users defined on the Switch. You can do this using the command line interface system management snmp community command —...

  • Page 47: 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. The topics covered are: Solving Problems Indicated by LEDs ■ Solving Hardware Problems ■...

  • Page 48: Solving Problems Indicated By Leds

    4: 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 Unit LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet.

  • Page 49: Solving Hardware Problems

    Solving Hardware Problems An internal fan has malfunctioned. If a fan has stopped spinning, ■ power off the unit and check the air vents for obstructions. If this situation occurs, the Fault LED will light red. The internal PSU has failed and power is being supplied by an external ■...
  • Page 50 4: P HAPTER ROBLEM OLVING A fan failure warning message is received Your Switch has a fan monitoring system that will generate fan failure warning messages. Fan failure could potentially reduce the lifetime of the Switch. The monitoring system polls the fan status at periodic intervals while the unit is powered up.

  • Page 51: Solving Communication Problems

    The Switch has identified that the SFP does not meet the minimum requirements for the Switch and has disabled the port. To correct this problem, completely remove the SFP and replace it with a 3Com approved SFP. See ““Approved SFP Transceivers”...
  • Page 52 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 53: Solving Software Upgrade Problems

    Solving Software Upgrade Problems Solving Software You can upgrade the management software of the Switch by using the Upgrade Problems System > Control > Software Upgrade operation in the Web Interface, or the system control softwareUpgrade command in the command line interface. For details on these options, refer to the Management Interface Reference Guide supplied in HTML format on the CD-ROM that accompanies your Switch.
  • Page 54 4: P HAPTER ROBLEM OLVING...

  • Page 55: 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 3870. 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 56: Important Safety Information

    A: S PPENDIX AFETY NFORMATION Important Safety Information WARNING: Installation and removal of the unit must be carried out by qualified personnel only. ® WARNING: If installing a Switch 3870 in a stack with SuperStack 3 units that are narrower than the Switch 3870, the Switch 3870 units must be installed below the narrower units.
  • Page 57 Important Safety Information WARNING: The socket outlet must be near to the unit and easily accessible. You can only remove power from the unit by disconnecting the power cord from the outlet. WARNING: This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 60950.

  • Page 58: L'information De Sécurité Importante

    A: S PPENDIX AFETY NFORMATION WARNING: Fiber Optic ports - Optical Safety Never look at the transmit laser while it is powered-up. Never look directly at the fiber ports and fiber cable ends when they are powered-up. WARNING: Use of controls or adjustments of performance or procedures other than those specified herein may result in hazardous laser emissions.
  • Page 59 L’information de Sécurité Importante 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 60 A: S PPENDIX AFETY NFORMATION connexion portant l'appellation Neutre et avec raccordement direct à la terre (masse). 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...

  • Page 61: Wichtige Sicherheitsinformationen

    Wichtige Sicherheitsinformationen Wichtige Sicherheitsinformationen VORSICHT: Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen. VORSICHT: Wenn Sie einen Switch 3870 zusammen mit schmaleren ® SuperStack 3 Einheiten in einem Stack aufstellen, muss die Switch 3870 Einheit unterhalb dieser schmaleren Einheiten aufgestellt werden. VORSICHT: Das Gerät muß...
  • Page 62 A: S PPENDIX AFETY NFORMATION 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. Nur RJ-45-Datenanscluße, Telefonnetzsysteme or Netztelefone an diese Steckdosen anschließen.

  • Page 63: Null Modem Cable

    OUTS Null Modem Cable RJ-45 to RS-232 25-pin Switch 3870 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 3870 PC-AT Serial Port Cable connector: RJ-45 female Cable connector: 9-pin female...

  • Page 64: Modem Cable

    B: P PPENDIX OUTS Modem Cable RJ-45 to RS-232 25-pin Switch 3870 RS-232 Modem Port Cable connector: RJ-45 female Cable connector: 25-pin male Screen Shell Screen Ground Ground RJ-45 Pin Pin assignments are identical for 10/100 and 1000 RJ-45 connectors. Assignments Table 10 Pin assignments Pin Number...
  • Page 65 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 Bidirectional Data D-...
  • Page 66 B: P PPENDIX OUTS...

  • Page 67: Specifications

    –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 68 –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 69: Upport For Your

    3Com Extended Warranty and Professional Services is available at http://www.3com.com/ Contact your authorized 3Com reseller or 3Com for additional product and support information. 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 ■...

  • Page 70: Access Software Downloads

    Software Updates are the bug fix / maintenance releases for the version Downloads of software initially purchased with the product. In order to access these Software Updates you must first register your product on the 3Com web site at http://eSupport.3com.com/ First time users will need to apply for a user name and password.
  • Page 71 Telephone Technical Support and Repair 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 72 Telephone Number 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 73: Index

    46 management access levels of default users 46 methods 41 automatic setup 38 preparing for 34 3Com Network Supervisor 38 setting up 31, 32 console port 38 manual setup console port 35 MDI configuration 26...
  • Page 74 NDEX Simple Network Management Protocol. See SNMP SNMP 45 SNMP management 42 setting up 45 specifications, system 67 stacking 17 stacking cable ports 17 straight-through configuration 26 Switch automatic setup 38 Switch 3870 dimensions 67 features 12 installation 21, 23 powering-up 25 rack mounting 23 size 67...
  • Page 75 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.

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