3Com 3 manuale d’uso

http://www.3com.com/ Part No. DUA1730-0AAA03 Published July 2005 SuperStack ® 3 Switch 4200 Family Getting Started Guide Switch 4200 26-Port (3C17 300A) Switch 4200 50-Port (3C17 302A) Switch 4200 28-Port (3C17 304A) DUA1730-0AAA03.book Page 1 Thursday, No vember 17, 2005 12:17 PM[...]

3Com Corporati on 350 Campus Drive Marlborough, M A 01752-3064 Copyright © 2002, 2005 3Com Corporation. All rights reserved. No part of this documentation may be repr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation ) without written permiss ion from 3Com T echnologies. 3Com[...]

C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Docume ntation 9 Accessing Online Documentation 10 Documentation Comments 10 1 I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY About the Switch 4200 Family 12 Summary of Hardwar e Featur es 12 Switch 4200 Family — Front View Detail 13 10BASE-T/ 100BASE-TX Ports 14 10/100/1000BASE-T Por ts [...]

Approved SFP T ransceivers 25 Inserting an SFP T ransceiver 26 Removing an SFP T ransceiver 27 Choosing the Correct Cables 27 Choosing the Correct Fiber Cables 28 3 S ETTING U P FOR M ANAGEMENT Setting Up Overview 32 IP Configuration 33 Preparing for Management 34 Manually Configuring IP Information 35 Connecting to a Front Panel Port 35 Connecting[...]

A S AFETY I NFORMATION Important Safety Information 58 L ’informati on de Sécurité Important e 60 W ichtige Sicherheitsinfor mationen 62 Información de seg uridad impor tante 64 Importanti info rmazioni di sicurezza 66 B P IN - OUTS Null Modem Cable 69 PC-A T Serial Cable 69 Modem Cable 70 RJ-45 Pin Assignments 70 C T ECHNICAL S PECIFICATI ONS[...]

DUA1730-0AAA03.book Page 6 Thursday, No vember 17, 2005 12:17 PM[...]

A BOUT T HIS G UIDE This guide provides all the information you need to install and use a SuperStack ® 3 Switch 4200 in its default state. This guide is intended for use wit h the following Switch 4200 Family models: ■ Switch 4200 26-Por t (3C17300A) — 24 10BASE-T/100BASE-TX p orts, 2 10/100/1000BASE-T ports ■ Switch 4200 50-Por t (3C17302A)[...]

8 A BOUT T HIS G UIDE Most user guides and r elease notes ar e availabl e in Adobe Acr obat Reader Portable Document Format (PDF) or HTML on the 3Com Wor l d W ide Web site: http://www.3com.com/ Conventions Ta b l e 1 and Ta b l e 2 list conventions that are used thr oughout this guide. Ta b l e 1 Notice Icons Icon Notice Type Description Informati[...]

Related Documentation 9 Related Documentation In addition to this guide, each Switch documentat ion set includes the following: ■ SuperStack 3 Switch Implementation 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 tha t acc[...]

10 A BOUT T HIS G UIDE There are other publications you may find useful, such as: ■ Documentation accompanying 3Com Network Supervisor . Y ou can download 3Com Network Supervisor and supporting documen tation from the 3Com Web site at: www.3com.com/3ns Accessing Online Documentation The CD-ROM su pplied with your Swit ch contains the following on[...]

1 I NTR ODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY This chapter contain s introductory information about the Switch 4 200 Family and how it can be used in your network. It covers summaries of hardwar e and software fe atures and also the foll owing topics: ■ About the Switch 4200 Family ■ Switch 4200 Family — Front View Detail ■ Switc[...]

12 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY About the Switch 4200 Family The Switch 4200 Family are stackable 10/100/1000 Mbps devices which consist of: ■ 24 or 48 10BASE-T/1 00BASE-TX ports ■ 2 10/100/1000BASE-T ports ■ 2 SFP ports (Switch 4200 28-Por t only) The Switch provides high-performance workgroups with a bac[...]

About the Switch 4200 Seri es 13 Switch 4200 Famil y — Front View Detail Figure 1 Switch 4200 26-Port (3C17300A) — fr ont view Figure 2 Switch 4200 50-Port (3C17302A) — fro nt view Figure 3 Switch 4200 28-Port (3C17304A) — fr ont view 3C17300A Superst ack 3 Switch 4200 26-Port 10BASE-T / 100BASE-TX RJ-45 Ports Power/ Self T est Alert Alert [...]

14 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY WAR N I NG : 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 lephony systems, or network te[...]

About the Switch 4200 Seri es 15 negotiated with the link partner . Alte rnat ively , auto-negotiation can be disabled and the flow control setti ng can be manually conf igured. LEDs Ta b l e 4 lists LEDs visible on the front of the Switch, and how to r ead their status according to color . For information on using the LEDs for problem solving, see[...]

16 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY Switch 4200 Famil y — Rear View Detail Figure 4 Switch 4200 Family — r ear view Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 100-240 V AC. Console Port The console port allows you to connect a terminal and perform remote or[...]

About the Switch 4200 Seri es 17 Default Settings Ta b l e 5 shows the default settings for th e Switch 4200 Family: Ta b l e 5 Default Settings If you initialize a Switch unit by selecting System > Control > Initi alize in the Web interface or by entering system control initialize in the Command Line Interface, the fo llowing settings are r [...]

18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY DUA1730-0AAA03.book Page 18 Thursday, November 17, 2005 12:17 PM[...]

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

20 C HAPTER 2: I NSTALLING THE S WITCH procedura di manutenzione, leg gere le informazioni di sicurezza riportat e nell'Appendice A della pres ente guida per l'utente. Package Contents ■ Switch unit ■ CD-ROM ■ Getting Started Guide (this guide) ■ Release No tes ■ Unit Information Labels ■ W arranty Information ■ Power Cord ?[...]

Rack-mount ing 21 If the Switch is installed in a 19-inch rack or closed assembly its local air temperature may be great er than room ambient temperat ure. ■ The air is as free fr om dust as possible. ■ The switch is situated away from sources of conductive (electrical) dust, for example, laser printers. ■ The unit is installed in a clean, ai[...]

22 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 s upplied with the mounting 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. [...]

Placing Units On Top of Each Other 23 Placing Units On T op of Each Other If the Switch units ar e free-standing, up to eight units can be placed one on top of the other . If you are mixing a variety of SuperStack ® 3 Switch and Hub units, the smaller units must be positioned at the top. If you are placing Switch units one on top of the other , yo[...]

24 C HAPTER 2: I NSTALLING THE S WITCH Stack renumbering occurs when another Switch 4200 Family unit is added to the bottom of an established stack except when the stack is already 4 units high. In this instance the ‘down’ port on the bottom unit of the existing stack will be disabled and its LED will flash green. Y ou will then not be able to [...]

SFP Operation 25 When the POST has complete d, check the Power On Se lf Te s t L E D t o make sure that your Switch is oper ating correctly . Ta b l e 6 shows possible colors for the LED. Ta b l e 6 Power/Self T est L ED colors In addition, check the Unit LEDs on all Switches in the stack. If a Unit LED is off, initialization is not complete . 3Com[...]

26 C HAPTER 2: I NSTALLING THE S WITCH Inserting an SFP T ransceiver T o be recognized as valid, the SFP transceiver must have the following characteristics: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect the Swit ch directly to a multimode fiber -optic cable. ■ 1000BASE-LX SFP transceiver Use this transceiver to connect the Swit[...]

Choosing th e Correct Ca bles 27 Figure 7 Inserting an SFP T ransceiver 6 Check the LEDs on the front of the Switch to ensure that it is operating correctly . Refer to “ LEDs ” o n page 16 for mor e information. Removing an SFP T ranscei ver If you wish to r emove a transceive r (it is not necessary to power -down your Switch): 1 Disconnect the[...]

28 C HAPTER 2: I NSTALLING THE S WITCH port, you need a cross-over cable. Many ports on workstations and servers are configur ed as MDI (straight-through). If you want to make a connection to an MDI port, you need to use a standard straight-thro ugh cable. See Ta b l e 7 . 3Com recommends that you use Cate gory 5 twisted pair cable — the maximum [...]

Choosing th e Correct Ca bles 29 If you wish to connect a 1000BASE-SX LC port to a fiber port with a different type of connector , for exampl e, SC or ST please contact your network supplier for a suitable patch cable. DUA1730-0AAA03.book Page 29 Thursday, November 17, 2005 12:17 PM[...]

30 C HAPTER 2: I NSTALLING THE S WITCH DUA1730-0AAA03.book Page 30 Thursday, November 17, 2005 12:17 PM[...]

3 S ETTING U P FOR M ANAGEMENT Y our 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 of fered by the Switch, and to change and monitor th e way it works, you have to acce ss the management software that r esides on the Switch. This is kn[...]

32 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Setting Up Overview This section gives an overview of what you need to do to get your Switch set up and r eady for man agement when it is in i ts default stat e. The whole setup process is summarised in Figur e 8 . Detailed procedural steps ar e containe d in the sect ions that follow . In brief, you need[...]

Setting Up Overview 33 IP Configuration Y ou can use one of the following meth ods to allocate IP information to your Switch (essential if you wish to manage your Switch across the network). Manual IP Configuration Y ou can choo se to configure the IP information yourself. The Switch remembers the information that you enter until you ch ange it aga[...]

34 C HAPTER 3: S ETTING U P FOR M ANAGEMENT However , as soon as a DHCP or BootP se rver is detected, the Switch will configure itself with the IP address allocated by that server . When using automatic IP configur ation it is important that the IP address of the Switch is static, otherwise you will not know what the IP address is and it will be di[...]

Manually Configuring IP Informatio n 35 Manually Configuring IP Information Y ou can man ually configure the Switch IP information in the following ways: ■ Connecting to a front panel port — Connect a workstat ion using an Ether net cable to a front panel port of the Switch. Y ou can then manually enter IP information using the web interface or[...]

36 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Connecting the W orkstat ion to the Switch 1 Connect the workstation to a front panel port using an Ethernet cable as shown in Figure 9 . Figure 9 Connecting a workstation to the Switch via a fr ont panel port T o connect the cable: a Attach an RJ-45 connector at one en d of the Ethernet cable to the Netw[...]

Manually Configuring IP Informatio n 37 If there is no response, wait for one minute then re-enter the default IP address. 3 At the login and password prompts, enter admin as your user name and press Return at the p assword pr ompt (default user name and password). If you have logged on correctly , a set of Getting Started pages are displayed. 4 Th[...]

38 C HAPTER 3: S ETTING U P FOR M ANAGEMENT top-level menu of the co mmand line i nterface is displayed as shown in the example in Figure 10 . Figure 10 Example top-level command line interface menu 4 At the Select menu option prompt you can either: ■ enter th e protocol ip basicConfig command. At the Enter configuration method prompt enter manua[...]

Manually Configuring IP Informatio n 39 Pre-r equisites ■ A workstation with terminal emulation soft ware installed, such as Microsoft Hyperterminal. This software allows you to communicate with the Switch via the console port directly , or through a modem. ■ Documentation supplied with th e terminal emulation softwar e. ■ A suitable cable: ?[...]

40 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 2 Open your terminal emulation software and configure the COM port settings to which you have connected the cable. Th e settings should be set to match the default settings for the Switch, which are: ■ 19,200 baud ■ 8 data bits ■ no parity ■ 1 stop bit ■ no h ard w a re f l ow c on t rol Refer t[...]

Manually Configuring IP Informatio n 41 Figure 12 Example top-level command line interface menu 3 At the Select menu option prompt you can either: ■ enter th e protocol ip basicConfig command. At the Enter configuration method prompt enter manual . The screen prompts you to enter IP information. or ■ enter th e gettingStarted command. At the En[...]

42 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing Automatically Configured IP Information If you allow the Switch to automatica lly configure its own IP information you need to discover and view the IP information before you can begin to manage the Switch. Y ou can discover the IP information in two ways: ■ Using 3Com Net work Super visor — T[...]

Viewing Automaticall y Configured IP Information 43 ■ A suitable cable: ■ A standard null modem cable — if you ar e connecting directly to the console port, or ■ A standard modem cable — if y ou are connecting to the console port using a modem. Y ou can find pin-out diagrams for both cab les in Appendix B on page 69 . ■ A Category 5 twi[...]

44 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing IP Information via the Console Port Y ou are now ready to vi ew the auto matically allocate d IP information using the command line interface. 1 Connect your Switch to the network using an Ether net cable. As soon as a network connection is made the Switch begins the aut omatic IP configuration pr[...]

Methods of Managing a Switch 45 pr ompt en ter all . A summary of the automatically allocated IP information is displayed. Make a note of the Network IP Ad dre ss. The initial set up of your Switch is now complete and the Switch is r eady for you to set up your chosen management method. See “Methods of Managing a Switch” on page 45 . If you do [...]

46 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Figure 15 CLI management via the console port Figure 16 CLI management over the network Refer to “Setting Up Command Line Interface Management” on page 47 . Web In t er f ac e Management Each Switch has an inter nal set of web pages that allow you to manage the Switch using a W eb browser r emotely ov[...]

Setting Up Command Line Interface Management 47 Figure 18 SNMP management over the network Refer to “Setting Up SNMP Management” on page 49 . Setting Up Command Line Interface Management This section describes how you can set up command line interface management using a local console po rt connect ion or over the network. CLI Management via the[...]

48 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 4 T o open a T elnet session via the DOS prompt, enter the IP address of the Switch that you wish to manage in the following format: >telnet xxx.xxx.xxx.xxx (where xxx. xxx.xxx.xxx is the IP addr ess of the Switch) If opening a T elnet sessi on via third party softwar e you will need to enter the IP ad[...]

Setting Up SNMP Management 49 For the browser to operate the web in terface correctly , JavaScript™ and Cascading Style Sheets must be enable d on your browser . These features are enabled on a browser by default. Y ou will only need to enable them if you have changed your browser settings. Web Management Over the Network T o manage a Switch usin[...]

50 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Y ou can use the 3Co m Network Super visor applicatio n that is provided on the CD-ROM that accompanies y our Switch to provide SNMP management for your Switch. If yo u use 3Com Network Super visor it automatically loads the correct MIBs an d necessary files onto your workstation. Pre-r equisites ■ Docu[...]

Default Users and Passwords 51 Changing Default Passwords Y ou can chan ge the default passwords using either: ■ The gettingStarted command on the CLI, or ■ The security device user modify command on the CLI, or ■ The Secu rity > Devic e > User > Modify operatio n on the web inter face. For more information about default users and pa[...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT DUA1730-0AAA03.book Page 52 Thursday, November 17, 2005 12:17 PM[...]

4 P RO B L E 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. The topics covered ar e: ■ Solving Pr oblems In dicated by LEDs ■ So lvi ng H ardw are Pro bl em s ■ Solving Commu nication Pr oblems ■ Solving Software Upgrade Problem[...]

54 C HAPTER 4: P ROBLEM S OLVING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, r efer to the list of suggested solutions below . The Power 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 ha[...]

Solving Communication Problems 55 problem, completely r emove the SFP and replace it with a 3Com approved SFP . See “Approved SF P T ran sceivers” on page 26. Error message indicating that the SFP transceiver is faulty . T o correct this pr oblem, completely r emove the SFP and then r einsert it.Alternatively , insert another identi cal SFP . I[...]

56 C HAPTER 4: P ROBLEM S OLVING How do you obtain a r egistered IP Address? The IP registration system ensures that every IP addr ess used is unique; if you do not have a registered IP addr ess, you may be using an identical address to someone else and your network will not operate correctly . InterNIC Registration Services is the organization res[...]

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 4200 Family . WAR NI N G : Warnings contain directions that you must follow for your personal safety . Follow all directions carefully . Y ou must read the following safet[...]

58 A PPENDIX A: S AFETY I NFORMATI ON 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 Swit ch 4200 Family un it in a stack with SuperStack II or SuperStack 3 unit s t hat are shallower than the 4200 Family , the Swit ch 4200 Family unit m[...]

Important Safety Information 59 WAR NI N G : The socket out let must be near to the unit and easily accessible. Y ou can only remove power from the unit by disconnecting the power cord from the outlet. WAR NI N G : This unit operates under SEL V (Safety Extra Low V oltage) conditions according to IEC 950. The conditions are only maintained if the e[...]

60 A PPENDIX A: S AFETY I NFORMATI ON WAR NI N G : Fiber Optic ports - Optical Safety Never look at the transmit laser wh ile it is powered-up. Never look directly at the fiber ports and fiber cable ends when they are powered-up. WAR NI N G : Use of controls or adjustments of performance or procedures other than those specifie d herein may result i[...]

L’information de Sécurité Importante 61 A VERTISSEMENT : Cordon électrique: Il doit être agréé ans le pays d'utilisation: A VERTISSEMENT : Le coupleur d'appareil (l e connecteur du gr oupe et non pas la prise murale) doit respecter une configuration qui permet un branchement sur une entrée d'appareil EN60320/CEI 320. A VERTI[...]

62 A PPENDIX A: S AFETY I NFORMATI ON connexion portant l'appellation Neutre et avec raccordement direct à la terre (masse). A VERTISSEMENT : 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 po ur la conn ection de l’unit[...]

Wichtige S icherheitsi nformationen 63 VORSICHT : Das Gerät muß an eine geerde te Stec kdose angeschlossen werden, die europäischen Sicherheitsnormen erfüllt. VORSICHT : Der Anschlußkabelsatz muß mit den Bestimmungen des Landes übereinstimmen, in d e m er verwendet werden soll. VORSICHT : Der Gerätestecker (der Anschluß an das Gerät, nich[...]

64 A PPENDIX A: S AFETY I NFORMATI ON VORSICHT : Faseroptikanschlüsse – Optische Sicherheit Niemals ein Übertragungslaser betracht en , während dieses eingeschalt et ist. Niemals direkt auf die Faseransnchlüsse und auf die Fase rkabelenden schauen, während diese eingeschaltet sind. VORSICHT: Die Verwendung von Steuerelementen oder die Anpass[...]

Información de seguridad importante 65 ADVERTENCIA: conjunto de cab les eléctrico s: 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 es[...]

66 A PPENDIX A: S AFETY I NFORMATI ON ADVERTENCIA: sólo para Fr ancia y Perú: esta unidad no puede recibir corriente de fuentes IT†. Si las fuentes de suministro de corriente son de tipo IT , esta unidad debe recibir 230 V (2P+T) a través de un transformador aislador con relación 1:1, con el punto de conexión secundario etiquetado como neutr[...]

Importanti informazioni di sicurezza 67 A VVERTENZA: L'unit à deve dispor re di messa a terra. A VVERTENZA: Per rispettare gli standard di sicurezza, è necessario collegare l'unità a una fonte di alim entazione do tata di messa a terra. A VVERTENZA: set dei cavi di alimentazione Deve essere approvato per il paese in cui viene utilizzat[...]

68 A PPENDIX A: S AFETY I NFORMATI ON mantenute solo se anche l'appar ecchiatura a cui è collega ta opera nelle stesse condizioni. A VVERTENZA: solo per Francia e Perù. Ques ta unità non può ricever e alimentazione di tipo IT†. Se l'alim e ntazione è di ti po IT , l'unità deve essere alimentata a 230 V (2P+T) tra mite un tras[...]

B P IN - OUTS Null Modem Cable 9-pin to RS-232 25-pin PC-A T Serial Cable 9-pin 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 Switch 4200 Cable connector: 9-pin female PC/T erminal Cable connector: 25-pin male/female only required if screen always required requi[...]

70 A PPENDIX B: P IN - OUTS Modem Cable 9-pin to RS- 232 25-pin RJ-45 Pin Assignments Pin assignments for ports configured as MDI and MDIX ar e given in Ta b l e 10 and Ta b l e 11 . Ta b l e 10 Pin assignments Screen TxD RxD RTS CTS DSR Ground DCD DTR Screen TxD RxD RTS CTS DSR Ground DCD DTR Shell 3 2 7 8 6 5 1 4 1 2 3 4 5 6 7 8 20 Switch 4200 Ca[...]

RJ-45 Pin Assig nments 71 Ta b l e 11 Pin assignments Pin Number 10/100 1000 Ports configured as MDIX 1 Receive Data + Bidirectional Data B+ 2 Receive Data - Bidirectional Data B- 3 Transmit Data + Bidirectional Data A+ 4 Not assigned Bidi rectional Data A- 5 Not assigned Bidi rectional Data D+ 6 Transmit Data - Bidirectional Data D- 7 Not assigned[...]

72 A PPENDIX B: P IN - OUTS DUA1730-0AAA03.book Page 72 Thursday, November 17, 2005 12:17 PM[...]

C T ECHNICAL S PECIFICATIONS Switch 4200 26 -Port (3C17300A) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.4 kg (5.3 lbs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –40 ° to +70 °C (-40 ° to 158 °F) Operating Humidity 10?[...]

74 A PPENDIX C: T ECHNICAL S PECIFICATIONS Switch 4200 50 -Port (3C17302A) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.83 kg (6.23 lbs ) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –40 ° to +70 °C (-40 ° to 158 °F) Operat[...]

Switch 4200 28-Port (3C17304 A) 75 Switch 4200 28 -Port (3C17304A) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.73 kg (6.00 lbs ) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –40 ° to +70 °C (-40 ° to 158 °F) Operating Humi[...]

76 A PPENDIX C: T ECHNICAL S PECIFICATIONS DUA1730-0AAA03.book Page 76 Thursday, November 17, 2005 12:17 PM[...]

D O BTAINING S UPPORT FOR YOUR P R ODUCT Register Y our Product W arranty 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 arranty and other service benefits are enabled thr ough product re gistrat[...]

78 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 79 T o send a product dir ectly to 3Com for re pair , you must first obt ain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be r etur ned to the sender unopened, at the sender’ s expense. If your product is r egistered and under warranty , you[...]

80 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 080812[...]

I NDEX 81 I NDEX Numbers 10/100/1000BASE-T ports 14 3C number 22 A access levels of default us ers 50 automatic setup 42 3Com Network Supervisor 42 console port 42 B browsers choosing 48 C cable choosing the correct 25 fiber 28 maximum length 14 pin-outs 69 CD-ROM 10 command line interface management 45 console port 16 conventions notice icons, Abo[...]

82 I NDEX hardwar e problems 54 IP addressing 54 LEDs 54 Solving software upgrade pr oblems 56 stack formation problem s 56 product name 22 R rack mounting a Swit ch 4200 21 S safety information English 58 French 60 German 62 Italian 66 Spanish 64 serial number of the Switch 22 serial port. See console port SFP operation 25 SFP ports 14 SFP transce[...]

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 protectio n against harmful interference when the equipment is operated in a co mmercial environment. This equipment generates, u[...]

DUA1730-0AAA03.book Page 84 Thursday, November 17, 2005 12:17 PM[...]