3Com 3CR17661-91 manual

www.3Com.com Part No. 10014914 Rev . AA Published July 2006 3Com ® Switch 4200G Family Getting Started Guide 4200G 12-Port (3 CR17660-91) 4200G 24-Port (3 CR17661-91) 4200G 48-Port (3 CR17662-91) 10014914AA.book Page 1 Friday, Jul y 7, 2006 2:08 PM[...]

3Com Corporati on 350 Campus Drive Marlborough, MA 01752-3064 Copyright © 2 006, 3Com Corporation. All rights reserved . No part of this documen tation may be reproduced in any form or by any means or us ed to make any derivative work (such as translati on, transformation, or adaptation) without writt e n permission fr om 3Com Corporation. 3Com Co[...]

D OWNLOAD THE LATEST SOFTWAR E AND DOCUMENTATION FOR YOUR 3C OM SWITCH Thank you for purchasing a 3Com Sw itch 4200G Family sw itch. As p art of our commitment to bringing yo u the most capable and dependable network equipment, 3Com offers fr ee software maintenance updates and documentation updates on our website. T o obtain the most up-to-d ate o[...]

10014914AA.book Page 4 Friday, Jul y 7, 2006 2:08 PM[...]

C ONTENTS D OWNLOAD THE LATEST SOFTWAR E AND DOCUMENTATION FOR YOUR 3C OM SWITCH A BOUT T HIS G UIDE Before Y ou Start 9 Release Notes 9 About Y our CD-ROM 9 Conventions 10 Related Documentat ion 11 Accessing Online Documentation 11 Documentation Comments 12 1 I NTRODUCING THE S WITCH 4200G F AMILY About the Switch 42 00G 14 Summary of Har dware Fe[...]

6 C ONTENTS 2 I NSTALLING THE S WITCH Package Contents 22 Choosing a Suitable Site 22 Rack-mounting 23 Placing Units On T op of Each Other 25 The Power-up Sequence 25 Powering-up th e Switch 4200G 25 Checking for Correct O peration of LEDs 25 SFP Operation 26 Appro ved SFP T ransceivers 26 Inserting an SFP T ransceiver 26 Removing an SFP T ransceiv[...]

C ONTENTS 7 Prer equisites 48 Web Management Ove r the Network 49 Setting Up SNMP Management V1 or V2 50 Prer equisites 50 Default Users and Pass words 50 Configuration Conversion Utility 51 4 P ROB L E M S OLVING Solving Pr oblems Indicated by LEDs 54 Solving Hardwar e Problems 55 Solving Communication Problems 57 5 U PGRADING S OFTWAR E Upgrade m[...]

8 C ONTENTS A S AFETY I NFORMATION Power Cord Set—Japan 76 Important S afety Informa tion 76 L ’information de Sécurité Importante 78 Wichtige Sicherheitsinformationen 81 Información de Segur idad Importante 82 Importanti Informazioni di Sicurezza 84 Wa ż ne informacje o zabezpieczeniach 86 B P IN - OUTS Null Modem Cable 89 PC-A T Serial Ca[...]

A BOUT T HIS G UIDE This guide provides all the information you need to install and use the 3Com ® Switch 4200G Family . The guide is intended for use by net work administrators who are responsible for installing and setting up networ k equipment; consequently , it assumes a basic work in g knowledge of LANs (Local Area Networks). Before Y ou Star[...]

10 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 list conventions that are used throughout this guide. Ta b l e 1 Notice Ic ons 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, syste[...]

Related Documentation 11 Related Documentation In addition to this guide, Switch 4200G do cumentation set includes the following: ■ Switch 4200G Co nfiguration Guide This guide cont ains information on the features supported by your Switch and how they can be used to optimize your network. It is supplied in PDF format on the CD-ROM that accomp an[...]

12 A BOUT T HIS G UIDE Documentation Comments Y our suggestions are ve ry important to us. Th ey will help make our documentation more useful to you. Please e-mail co mments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: ■ Document ti tle ■ Document part number (on the tit[...]

1 I NTR ODUCING THE S WITCH 4200G F AMILY This chapter contain s introductory information about the Switch 4200G and how it can be used in your network. It covers summaries of hardwar e and software featur es and also the following topics: ■ About the Swit ch 4200G ■ Switch 4200G—Front View Detail ■ Switch 4200G — Rear View Detail ■ Def[...]

14 C HAPTER 1: I NTRODUCING THE S WITCH 4200G F AMILY About the Switch 4200G The Switch 4200G Family are mixe d media devices which consist of: ■ 12, 24 or 48 10/100/1000BASE-T ports ■ Four 1000BASE-X SFP ports ■ One option module slot for a 10 Gigabit Ethernet port modu le on the Switch 4200G 1 2-Port. Requires an optional XFP . ■ T wo opt[...]

Switch 4200G—Front View Detail 15 Switch 4200G—Front View Detail Figure 1 Switch 4200G 12-Port—fron t view Figure 2 Switch 4200G 24-Port—fron t view Mounting 19-inc h rack or s tandalone mounting Clustering Up to 16 uni ts can be linked to gether (15 members and 1 commander) Ta b l e 3 Hardware Featur es (continued) Feature Switch 42 00G Un[...]

16 C HAPTER 1: I NTRODUCING THE S WITCH 4200G F AMILY Figure 3 Switch 4200G 48-Port—fr ont view WAR N I N G : RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional teleph one sockets, or to connect the unit to a traditional PBX or public telephone networ k. Only connect RJ-45 da ta connectors, network te [...]

Switch 4200G—Front View Detail 17 1000BASE-X SFP Ports SFP (Small Form Factor Pluggable) ports support fiber G igabit Ether net long-wave (LX), long-haul (LH70) an d copper (T) SFP T ransceive rs in any combination. This of fers you the flex ibility of using SFP tr ansceivers to provide connectivity between the Switch and remote 1000 Mbps workgro[...]

18 C HAPTER 1: I NTRODUCING THE S WITCH 4200G F AMILY LEDs T able 5 lists LEDs visible on the front of the Switch, and how to r ead their status. For information on using the LEDs for problem solving, see “Solving Problems Indicated by LEDs” on page 54. Rotating bar segment Mode LED flashing green Software download in progress. Flashi ng “F?[...]

Switch 4200G — Rear View Detail 19 Switch 4200G — Rear View Detail Figure 4 Switch 4200G—r ear view Power Socket The Switch automatica lly adjusts its power setting to any supply voltage in the range 100–240 V AC. 10 Gbps Interface Slots The MOD 1 and MO D 2 interface slot s accept the 10 Gbps SFP modules. Duplex Green Full duplex, bl inkin[...]

20 C HAPTER 1: I NTRODUCING THE S WITCH 4200G F AMILY Default Settings T able 6 shows the default settings for the Switch 4200G Family . Ta b l e 6 Default Settings Feature Switch 4200G Automatic IP Configurati on Enabled Port Status Enabled Port Speed Auto-negotiated Duplex Mode Auto-negotiated Flow Control Auto-negotiated Broadcast Storm Control [...]

2 I NSTALLING THE S WITCH This chapter contains the informat ion you need to install and set up the Switch 4200G. It covers the following topics: ■ Package Contents ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On T op of Each Other ■ The Power-up Seque nce ■ SFP Operation ■ Choosing the Correct Cables WARNING: Safety Inf[...]

22 C HAPTER 2: I NSTALLING THE S WITCH A VVERTENZA: Informazioni di sicurezza. Prima di installare o rimuovere qualsiasi componente dal Sw itch 4200G o di eseguire qualsiasi procedura di manutenzione, leg gere le informazion i di sicurezza riportate nell'Appendice A della pres ente guida per l'utente. OSTRZE Ż ENIE: Informacje o zabezpie[...]

Rack-mount ing 23 ■ W ater or moisture cannot enter the case of the Sw itch. ■ Air flow is not restricted around the Switch or through the vents in the side of the Switch. 3Com recommends that you pr ovide a minimum of 25mm (1in.) cleara nce. ■ Air temperature ar ound the Switch does not exceed 40 °C (104 ° F). If the Switch is installed in[...]

24 C HAPTER 2: I NSTALLING THE S WITCH Figure 5 Fitting a Bracket for Rack-Mounting 3 Insert the two screws and tighten with a suitable screwdriver . Y ou must use the screws supplied wi th the mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty . 4 Repeat step 2 and step 3 for the other side of the Swit[...]

Placing Units On Top of Each Other 25 Placing Units On T op of Each Other If the Switch units ar e free-standing, up to four units can be placed one on top of the other . If you are mixing a variety of 3Com equipment, the smaller units must be positioned at the top. If you are placing Switch units one on top of the other , you must use the self-adh[...]

26 C HAPTER 2: I NSTALLING THE S WITCH If there is evidence of a problem, see “Solving Problems Indicated by LEDs” on page 54 for a list of suggested solutions. CAUTION: The Switch has no ON/OFF switch; the only method of connecting or disconnecting main s power is by connecting or disconnecting the power cord. SFP Operation The following secti[...]

SFP Operation 27 ■ 1000BASE-T SFP transceiver This transceiver uses Category 5 copper cabling with RJ-45 co nnectors and supports segment lengths of up to 100 m (328 ft ). If the SFP transceiver is faulty , it will not operate within the Switch. See “Solving Hardwar e Problems” on page 55 . 3Com recommends that you only use SFPs supplied by 3[...]

28 C HAPTER 2: I NSTALLING THE S WITCH Removing an SFP T r ansceiver If you wish to remove the transceiver (it is not necessary to power -down your Switch): 1 Disconnect the cable from the transceiver . 2 Move the wire r elease lever downwards until it is pointing toward you. 3 Pull the wire r ele ase lever toward you to r elease the catch mechanis[...]

Choosing th e Correct Cables 29 CAUTION: If you want to install the Switch usin g a Categor y 5E or Category 6 cable, 3Com recomm ends that you briefly connect the cable to a grounded port before connectin g ne twork equipmen t. If you do not, the cable’ s Electrostatic Discharge (ESD) may damage the Switch's port. Y ou can create a grounded[...]

30 C HAPTER 2: I NSTALLING THE S WITCH 10014914AA.book Page 30 Friday , July 7, 2006 2:0 8 PM[...]

3 S ETTING U P FOR M ANAGEMENT T o make full use of the features of f ered by your Switch, and to change and monitor the way it works, y ou have to access the management software that r esides on the Switch. This is known as managing the Switch. Managing the Switch can help you to improve the efficiency of the Switch and therefor e the overall perf[...]

32 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Methods of Managing a Switch T o manage your Switch you can use one of the following methods: ■ Command line interface management ■ Command line interface management using SSH ■ Web interface management ■ SNMP management Command Line Interface Management Each Switch has a command line in terface ([...]

Methods of Managing a Switch 33 There are two main views in the CLI: ■ User View This view is shown when you first connect to the Swit ch and shows basic information about operation and statistics. The prompt for user view is <S4200G> . ■ System View This view enables yo u to configure the system parameters. T o display this view , from u[...]

34 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Figure 10 SNMP Management over the Network Refer to “Setting Up SNMP Mana gement V1 or V2” on page 50. Setting Up Overview This section gives an overview of what you need to do to get yo ur Switch set up and ready for man agement when it is in its default stat e. The whole setup process is summarized [...]

Setting Up Overview 35 Figure 11 Initial Switch Setup and Management Flow Diagram CAUTION: T o protect your Switch from unauthorized access, you must change all three default passwords as soon as possible, even if you do not intend to actively manage your Swit ch. For more inform ation on default users and changing default passwords, see “Default[...]

36 C HAPTER 3: S ETTING U P FOR M ANAGEMENT IP Configuration Y ou can use one of the following methods to allocate IP information to your Switch (essential if you wish to manage your Swit ch across the network). Manual IP Configuration When you configure the IP inform ation, the Switch r emembers the information that you enter until you change it a[...]

Manually Configuring IP Informatio n 37 Y ou sho uld use the automatic IP configu ration method if: ■ your network uses DHCP to a llocate IP information, or ■ flexibility is needed. If the Switch is deployed onto a dif ferent subnet, it will automatically r econfigure itse lf with an appropriate IP address, instead of you ha ving to manually r [...]

38 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Connecting to the Console Port T o set up your Switch manually you can make a connection to the console port, (this example describes a loca l connect ion to the console port, rather than one using a modem). Y ou can do this whilst the Switch is offline, that is, befor e you connect the Switch to a networ[...]

Manually Configuring IP Informatio n 39 2 Open your terminal emulation software and configure the COM port settings to which you have conn ected the cable. The settings must be set to match the default settin gs for the Switch, which are: ■ 19,200 baud (bits per seco nd) ■ 8 data bits ■ no parity ■ 1 stop bit ■ no h a rdw a re fl o w co n[...]

40 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Figure 13 User View Login 3 Enter th e system-view command and Enter . T o confirm that you are in the System View , the following should be displayed: [S4200G] Enter interface vlan 1 and Enter . 4 Enter the IP address and subnet mask for the Sw itch as follows: ip address xxx.xxx.xxx.xxx mmm.mmm.mmm.mmm [...]

Manually Configuring IP Informatio n 41 Connecting to a Front Panel Port T o set up your Swit ch manually you can , alter natively , make a connection to a front panel port. T o do this you will need an IP address, r efer to “Viewing Automatically Configured IP Information” on page 44 for more information. The procedure described in this se cti[...]

42 C HAPTER 3: S ETTING U P FOR M ANAGEMENT T o connect the cable: a Attach an RJ-45 connector at one en d of the Ethern et cable to the Network Interface Card (NIC) in the workstation. b Connect the RJ-45 connector at the other end of the cable to one of the front panel ports on the Switch. Do not interconnect the Switch to any other unconfigured [...]

Manually Configuring IP Informatio n 43 Using Command Line Interface using T elnet 1 T o start a T elnet session to the unit, click Start in Microsoft Windows 95/98/2000/NT/XP . a Click Run . b In the dialogue box that appea rs type the IP address of the unit, that is: Telnet xxx.xxx.xxx.xxx (where xxx. xxx.xxx.xxx is the IP addr ess of the Switch)[...]

44 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 7 Enter the default gateway for the Switch: ip route-static 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx (where xxx. xxx.xxx.xxx is the IP addr ess of the default gat eway) 8 From the User View , enter the save command to save the config uration to your Switch as the configuration is not saved automatically when the S[...]

Viewing Automaticall y Configured IP Informatio n 45 Connecting to the Console Port Alter natively , you can view the automat ically configu red IP information using the command line interface (CLI) through a connection to the console port. (This example describe s a local connection to the console port, rather than a remote one using a modem.) For[...]

46 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 4 Enter display ip interface br to view a summary of allocated IP addresses. The initial set up of your Switch is now complete and the Switch is r ead y for you to set up your chosen man agement method. See “Methods of Managing a Switch” on page 32. If you do not intend to u se the comm and line inter[...]

Setting Up Command Line Interface Management using SSH 47 3 Check you can communicate with the Switch by entering a ping command at the DOS prompt in the f ollowing format: c: ping xxx.xxx.xxx.xxx (where xxx. xxx.xxx.xxx is the IP addr ess of the Switch) If you get an error message, check that your IP information has been entered corr ectly and th[...]

48 C HAPTER 3: S ETTING U P FOR M ANAGEMENT The switch automatically generates a host key pair when it is powered up for the first time, or after any re set to factor y defaults. Host key generation may take a while, during which time SSH connections to the switch will be refused. 4 Install an SSH client application on th e workstation yo u want to[...]

Setting Up Web Interface Management 49 Ta b l e 9 Supported Web Browsers and Platforms For the browser to operate the web in terface corr ectly , JavaScript™ and Cascading Style Sheets must be enabled on your browser . The se features are enabled on a browser by default. Y ou will only n eed to enable them if you have changed y our browser settin[...]

50 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Setting Up SNMP Management V1 or V2 Any network management application running the Simple Network Management Protocol (SNMP) can manage a Switch if: ■ The correct Management Information Bases (MIBs) are installed on the management workstation. ■ The management workstation is connected to the Swit ch u[...]

Configuration Conversion Utility 51 CAUTION: T o protect your Switch from unauthorized access, you must change all three default passwords as soon as possible, even if you do not intend to actively manage your Switch. T able 10 Default Users Use the admin default user name (no password) to login and carr y out initial Switch setup. T o set a passwo[...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT T o download the CCU package, se lect the CCU link on the CD that accompanies your Switch 4200G. Al ter natively , the CCU download and further information is available at: http://www.3com.com/switchmigration/ 10014914AA.book Page 52 Friday , July 7, 2006 2:0 8 PM[...]

4 P RO B LE M S OLVING This chapter helps you to diagnose an d 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 ar e: ■ Solving Pr oblems Indicated by LEDs ■ So lv in g H ard wa re P rob le ms ■ Solving Commu nication Pr oblems ■ Solving F[...]

54 C HAPTER 4: P ROBLEM S OLVING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, re fer to the list of suggested solutions below . The PWR LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet. If the c onnection is secure and ther e is still no power , you may have[...]

Solving Hardware Problems 55 Auto-negotiation problems will occur with 10BASE-T or 100BASE-T where auto-negotiation is disabled a nd incorr ect cables ar e being used (cross-over or straight) Auto-negotiation problems will occur with fiber if: ■ The Receiver (RX) and T ranscei ver (TX) cable connectors are swapped ■ Fibers ar e broken ■ Auto-[...]

56 C HAPTER 4: P ROBLEM S OLVING If a fan failure warning message is generated: 1 Power of f the unit. 2 Check that the air vents are not obstructed. 3 Power cycle the unit. T o do this, remove and reconnect the AC mains supply . If another fan failure warn ing message is generated using the Command Line Interface or the Web interface, return the u[...]

Solving Communication Problems 57 Solving Communication Problems If you experience communication problems with the Switch, ensur e that: ■ The Switch IP address and Management VLAN ID has been configured. ■ If the Switch is separated fr o m your management application by a router , ensure that the default gatewa y IP address within the Switch i[...]

58 C HAPTER 4: P ROBLEM S OLVING If your IP network is inter nal to your organization only , that is, you do not access the Inter net, 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.[...]

5 U PGRADING S OFTWAR E This chapter describes how to upgrade the software in your Switch 4200G. It covers the following topics: ■ Upgrading from the Command Line Interface ■ Upgrading from the Bootrom Interface ■ Upgrading the Bootrom Upgrade methods Y ou can upgrade your Switch 4200G using several different methods: ■ Using the Command Li[...]

60 C HAPTER 5: U PGRADING S OFTWARE Upgrading from the Command Line Interface This section describes how to upgrad e files to y our Switch fro m the Command Line Interface (CLI). The basic procedur e is to check that you have enoug h space available in flash memory , backup your existing Switch software, and then upgrade the Switch software. The fo[...]

Upgrading from the Command Line Interface 61 3 The /unreserved option will cause the file to be deleted fr o m both the flash and the r ecycle-bin. T o check th at deleted files have been removed from the r ecycle-bin enter the following: <4200G> reset recycle-bin unit1>flash:/ If the r ecycle-bin is empty the followi ng is displaye d: % R[...]

62 C HAPTER 5: U PGRADING S OFTWARE T able 11 Switch 4200G Filenames 2 T o download the Web user interface file, enter: [4200G] tftp aaa.aaa.aaa.aaa get http.web 3 T o download the default configurat ion file, enter: [4200G] tftp aaa.aaa.aaa.aaa get 3ComOScfg.def 4 T o download the bootrom file, enter: [4200G] tftp aaa.aaa.aaa.aaa get s3u01_00.btm [...]

Upgrading from the Command Line Interface 63 After the update is complete and you have verified that everything is working, the files that were saved in the backup phase can be deleted from the file system. Upgrade Using F TP (via network port) T o upgrade your Switch’ s software using F TP do the following: 1 Backup the existing switch so ftware[...]

64 C HAPTER 5: U PGRADING S OFTWARE The following information is disp layed if the download h as been successful: 200 PORT command successful. 150 Opening ASCII mode data connecti on for vrpcfg.def(10986 bytes).......226 Transfer complete. FTP: 10986 byte(s) received in 8.046 second(s) 1000.00 byte(s)/sec. 7 T o download the bootrom file, enter: [f[...]

Upgrading from the Command Line Interface 65 XModem (using the console cable) T o upgrade software to your Switch using XModem do the following : 1 From the User View , enter: xmodem get unit1>flash:/3ComOScfg.def The following information is displayed: **** WARNING **** xmodem is a slow transfer protocol l imited to the current speed settings o[...]

66 C HAPTER 5: U PGRADING S OFTWARE Upgrading from the Bootrom Interface This section describes how to upgr ade your Switch from the Bootrom Interface. Introduction When the Switch is running the initial boot phase usin g the console, the following prompt is displayed with a five second countdown timer: Press CTRL-B to enter Boot Menu... 4 followed[...]

Upgrading from the Bootrom Interface 67 3 Select option 3 from the Boot Menu. A file list similar to the following is displayed: Boot menu choice: 3 Free Space: 10469376 bytes The current application file is s3t0 3_01_00s56.app (*)-with main attribute; (b)-with ba ckup attribute (*b)-with main and backup attribute This option displays all the files[...]

68 C HAPTER 5: U PGRADING S OFTWARE TF TP T o upg rade software to your Switch using TF TP , do the following: 1 From the Boot Menu, select option 1 (D ownload application file to flash) to display the following: 1. Set TFTP protocol parameter 2. Set FTP protocol parameter 3. Set XMODEM protocol parameter 0. Return to boot menu Enter your choice(0-[...]

Upgrading from the Bootrom Interface 69 2 Select option 2 to display the following: 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 and F TP user name and password to display the following: Are you sure to download file to fla sh? Yes or No(Y/N) 4 En[...]

70 C HAPTER 5: U PGRADING S OFTWARE 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...CCCCCCCCCCCCCCCCCCCCCCCCCC CCC 5 As the file is d ownloadi ng, start t he XModem send file pr ocess with terminal emulation software,[...]

Upgrading the Bootrom 71 A similar scr een will be displayed fo r the configuration files and the web files. In each case, the file is given the attribute “main” or “backup” Bootrom Upgrade using TF TP T o upgrade the boot rom firmwar e from the Boot menu using TF TP do the following: 1 From the Boot menu, select option 6 to display the boo[...]

72 C HAPTER 5: U PGRADING S OFTWARE 2 Select option 2 to display the following: Load File name: Switch IP address: Server IP address: FTP User Name: FTP User Password: 3 Enter the file name, Switch IP addr ess, Server IP a ddress, F TP user name and password to display the following: Are you sure to update your bootrom? Yes or No(Y/N) 4 Enter y and[...]

Upgrading the Bootrom 73 4 Press Enter to start the download. The following informat ion 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 d ownloading , start t he XModem send f ile pr ocess with terminal emulation software, su ch as[...]

74 C HAPTER 5: U PGRADING S OFTWARE 10014914AA.book Page 74 Friday , July 7, 2006 2:0 8 PM[...]

A S AFETY I NFORMATION Y ou must read the following safety information before carrying out any installation or removal of components, or any maintenance pr ocedures on the Switch 4200G. WAR NI N G : Warnings contain directions that you mu st follow for your personal safety . Follow all directions carefully . Y ou must read the following safety info[...]

76 A PPENDIX A: S AFETY I NFORMATI ON urz ą dzenia nale ż y uwa ż nie przeczyta ć poni ż sze informacje o bezpiecze ń stwie. Power Cord Set—Japan Important Safety Information WAR NI N G : Installation and removal of the unit must be carried out by qualified personnel only . WAR NI N G : If installing the Sw itch 4200G together (o ne on top [...]

Important Safety Information 77 WAR NI N G : The appliance coupler (the connecto r to the unit and not the wall plug) must have a configuration for mating with an EN603 20/IEC320 appliance inlet. WAR NI N G : The socket outle t must be near to the unit and easily accessible. WAR NI N G : This unit operates under SEL V (Safety Extra Low V oltage) co[...]

78 A PPENDIX A: S AFETY I NFORMATI ON WAR NI N G : Fiber Optic ports—Optical Safety Never look at the transmit laser while it is powered on. Never look directly at the fiber TX port and fiber cable ends when they are p owered on. L ’information de Sécurité Importante A VERTISSEMENT : L'installation et la dépo se de ce groupe doivent êt[...]

L’information de Sécurité Importante 79 A VERTISSEMENT : Le coupleur d'appareil (l e connecteur du groupe et non pas la prise murale) doit respecter une configuration qui permet un branchement sur une entrée d'appareil EN60320/CEI 320. A VERTISSEMENT : La prise secteur doit se trouver à proximité de l’appareil et son a ccès doit[...]

80 A PPENDIX A: S AFETY I NFORMATI ON A VERTISSEMENT : Ports pour fibres op tiques—sécurité sur le plan optique. Ne regardez jamais le laser d'émission en utilisant un dispositif d'agrandissement, tant qu'il est so us tension. Ne regardez jamais directement le port TX à fibres optiques et les extrémités de s câbles à fibres[...]

Wichtige S icherheitsi nformationen 81 Wichtige Sicherheitsinformationen VORSICHT : Alle V erfahren die in dieser Anleitung beschrieben werden gelten für alle Modelle, sofern nicht anders angegeben. W o eine V orgehensweise für die Schalter 5500-SI 24 und Schalter 55 00-SI 52 gilt wird nur der Begriff Schalter verw endet. Diese Anleitung ist für[...]

82 A PPENDIX A: S AFETY I NFORMATI ON Bedingungen sind nur ge geben, wenn auch die an das Gerät angeschlossenen Geräte unter SEL V -B edingungen betrieben werden. VORSICHT : RJ-45-Po rte. Diese Porte sind geschützte Datenst eckdosen. Sie dürfen weder wie normale t radit ionelle T elefonsteckdosen noch für die V erbindung der Einheit mit eine m[...]

Información de Seguridad Importante 83 ADVERTENCIA: Conjunto de cables eléctricos: Debe estar homologado para el país donde se utilice: ADVERTENCIA: El acoplador del equipo (el co nector para la unidad y no la toma de la pared) debe tener un a configuración que se adapte a una entrada del equipo EN60320/IEC320. ADVERTENCIA: El enchufe debe esta[...]

84 A PPENDIX A: S AFETY I NFORMATI ON secundario etiquetado como neutro conectado direct amente a tierra. †Impédance à la terre. ADVERTENCIA: Sólo para el Reino Unido: si conecta un módem al puerto de consola del 4200G, utilice sólo un módem que sea adecuado para la conexión con el si st ema de telecomunicaciones. ADVERTENCIA: Puertos RJ-4[...]

Importanti Informazioni di Sicurezza 85 A VVERTENZA: Set dei cavi di alimentazione Deve essere approvato per il paese in cui viene utilizzato. A VVERTENZA: L'accoppiatore (il connettore all'un ità e no n la spina a muro) deve avere una configuraz io ne abbinabile a una presa EN60320/IEC320. A VVERTENZA: La presa deve trovarsi vicino al l[...]

86 A PPENDIX A: S AFETY I NFORMATI ON contrassegnato come Neutro, colle gato direttamente a terra. †Impédance à la terre. A VVERTENZA: Solo Regno Unito. Se si collega un modem alla porta Console dello 4200G, utilizzare solo un modem idoneo per il collegamento con il sistem a di telecomunicazi oni. A VVERTENZA: Le porte RJ-45 sono prese dati RJ-[...]

Wa ż ne informacje o zabezpieczeniach 87 Niezb ę dna jest zgodno ść z przepisami kraju, w którym jest stosowan y: OSTRZE Ż ENIE: Z łą cz ka urz ą dzenia (pod łą czona do prze łą cznika, a nie do wtyczki ś ciennej) musi by ć odpowiednio do pasowana do normy EN60320/IEC320 otworu wlotowego. OSTRZE Ż ENIE: Gniazdo zasilaj ą ce musi by[...]

88 A PPENDIX A: S AFETY I NFORMATI ON mente a tierra. †Impédance ŕ la terre. OSTRZE Ż ENIE: T ylko Wielka Brytania: Podczas pod łą czania modemu do portu konsoli Switch 4200G nale ż y stosowa ć tylko modem odpowiedni do pod łą czenia do sieci telekomuni- kacyjnej. OSTRZE Ż ENIE: Porty RJ-45. S ą to ekranowane gniazda danych RJ-45. Nie [...]

B P IN - OUTS Null Modem Cable RJ-45 to RS-232 25-pin PC-A T Serial Cable RJ-45 to 9-pin Screen TxD RxD Ground RTS CTS DSR DCD DTR Screen RxD TxD Ground RTS DTR CTS DSR DCD Shell 3 2 5 7 8 6 1 4 1 3 2 7 4 20 5 6 8 3Com Switch Cable connector: RJ-45 female PC/T erminal Cable connector: 25-pin male/female only required if screen always required requi[...]

90 A PPENDIX B: P IN - OUTS Modem Cable RJ- 45 to RS-232 25-pin Ethernet Port RJ-45 Pin Assignments 10/100 and 1000BASE-T RJ- 45 connections. T able 10 Pin assignments T able 11 Pin assignments Screen TxD RxD RTS CTS DSR Ground DCD DTR Screen TxD RxD RT S CTS DSR Ground DCD DTR Shell 3 2 7 8 6 5 1 4 1 2 3 4 5 6 7 8 20 3Com Switch Cable connector: R[...]

Ethernet Port RJ-45 Pin Assignments 91 3 Transmit Data + Bidirectional Data A+ 4 Not assigned Bidirectional Data A- 5 Not assigned Bidirectional Data D+ 6 Transmit Data – Bidirec tional Data D- 7 Not assigned Bidirectional Data C+ 8 Not assigned Bidirectional Data C- Pin Number 10/ 100 1000 10014914AA.book Page 91 Friday , July 7, 2006 2:0 8 PM[...]

92 A PPENDIX B: P IN - OUTS 10014914AA.book Page 92 Friday , July 7, 2006 2:0 8 PM[...]

C T ECHNICAL S PECIFICATIONS Switch 4200G 12-Port Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17 .3 in.) x Depth: 274 mm (10.8 in.) Weight: 4.4kg (9.72 Ibs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 95% non-condens[...]

94 A PPENDIX C: T ECHNICAL S PECIFICATIONS Switch 4200G 24-Port Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 4.4kg (9.72 Ibs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 95[...]

Switch 4200G (48-Port) 95 Switch 4200G (48-Port) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17 .3 in.) x Depth: 274 mm (10.8 in.) Weight: 4.7kg (10.9 lbs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –10 ° to +70 °C (14 ° to 158 °F) Operating Humidity 95% non-condensi[...]

96 A PPENDIX C: T ECHNICAL S PECIFICATIONS 10014914AA.book Page 96 Friday , July 7, 2006 2:0 8 PM[...]

D O BTAINING S UPPORT FOR YOUR P R ODUCT Register Y our Product W arrant y and other service benefits start from the date of purchase, so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you. W arrant y and other service benefits are enabled thr oug h product re gist[...]

98 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT T roubleshoot Online Y ou will find support tools posted on the 3Com web site at http://www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. This query-based interactive tool is located at http://knowledgebase.3com.com and contains thousands of technical solutions written by 3C[...]

Contact Us 99 T o send a product dir ectly 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 product is r egistered and under warranty , you can[...]

100 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 01 7956 7124 070 700 770 7010 7289 01080 2783 0825 809 622 01805 404 747 06800 12813 1407 3387 1800 945 379 4 199 161346 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.K. 342 08081[...]

I NDEX 101 I NDEX Numbers 3C number 2 4 A access levels of default us ers 50 automatic setup 44 3Com Network Director 44 console port 45 B browsers choosing 48 C cable 10/100/1000 28 FX 29 pin-outs 89 CD-ROM 11 command line interface management 32 console port 17 conventions notice icons, About Thi s Guide 10 text, About This Guide 10 cross-over co[...]

102 I NDEX R rack mounting a Swit ch 5500 23 related documentation 11 S safety information English 76 French 7 8 German 81 Italian 84 Spanish 82 serial number of the Switch 24 SFP transceivers 26 Simple Network Management Protocol. See SNMP SNMP 50 SNMP management 33 setting up 50 socket power 19 specifications, system 93 SSH 47 straight-through co[...]

R EGULATORY N OTICES FCC S TATEMENT This equipment has been tested and found to comply wi th the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection ag ainst harmful interference when the equipment is operated in a co mmercial environment. This equipment generates, us[...]

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