3Com SuperStack 3 инструкция обслуживания

http://www.3com.com/ Part No. DUA1730-0AAA 03 Published July 2005 SuperStack ® 3 Switch 4200 Family Getting Started Guide Switch 4200 26-Port ( 3C17300A) Switch 4200 50-Port ( 3C17302A) Switch 4200 28-Port ( 3C17304A) 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 Corpo ration. All rights r eserved. No part of this documen tation 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 wr itten permission fro m 3Com T echnologies. [...]

C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Docume ntation 9 Accessing Online Documentation 10 Documentation Comments 10 1 I NTR ODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY About the Sw itch 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 t[...]

Approved SFP T ransceivers 25 Inserting an SFP T ransceiver 26 Removing an SFP T r ansceiver 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 Connectin[...]

A S AFETY I NFORMATION Important Safety Information 58 L ’information de Sécur ité Importante 60 W ichtige Sicherheitsinf ormationen 62 Información d e seguridad imp ortante 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 PECIFICATION S [...]

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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 inten ded for use with 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 available in Adobe Acr obat Reader Portable Document Format (PDF) or HTML on the 3Com Wor l d Wide We b 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 Informatio[...]

Related Documentation 9 Related Documentation In addition to this guide, each Switch documentation set includes the following: ■ SuperStack 3 Switch Implementation Guide This guide contains information o n the features supported by your Switch and how they can be used to optimize your netw ork. It is supplied in PDF format on the CD-ROM tha t acc[...]

10 A BOUT T HIS G UIDE There ar e other publication s you may find u seful, such as: ■ Documentation accompanying 3Com Network Supervisor . Y ou can download 3Com Network Supervisor and supportin g documentation 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[...]

1 I NTR ODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY This chapter co ntains introductory information about the Switch 4200 Family and how it can be used in your network. It covers summaries of hard ware and software featur es and also the following topics: ■ About the Swit ch 4200 Family ■ Switch 4200 Family — Front View Detail ■ Switch[...]

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 1 0BASE-T/100BASE-TX port s ■ 2 10/100/1000BASE-T ports ■ 2 SFP ports (Switch 4200 28-Por t only) The Switch provides high-performance workgroups with a ba[...]

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) — fr ont 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 WA RN I NG : RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard tradition al telephone sockets, or to connect the unit to a traditional PBX or public telephone netw ork. Only connect RJ-45 da ta connectors, networ k telephony system s, or network t[...]

About the Switch 4200 Seri es 15 negotiated with the link partner . Alte r natively , aut o-negotiation can be disabled and the flow control setti ng can be manually configured. 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 co nsole port allows you to connect a terminal and perform remote o[...]

About the Switch 4200 Seri es 17 Default Settings Ta b l e 5 shows the default settings for the 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 e[...]

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

2 I NSTALLING THE S WITCH This chapter contains the inf ormation you need to install and set up the Switch 4200 Family . It covers 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: Saf[...]

20 C HAPTER 2: I NSTALLING THE S WITCH procedura di manutenzione, leg gere le informazion i di sicurezza riportate 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 arr anty Information ■ Power Cord [...]

Rack-moun ting 21 If the Switch is installed in a 19-inch rack or closed assembly its local air temperature may be gre ater than room ambient tempe rature. ■ 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 supplied 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. 5[...]

Placing Units On Top of Each Other 23 Placing Units On T op of Each Other If the Switch units ar e fr ee-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 , y[...]

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 o perating correctly . Ta b l e 6 shows possible colors for the LED. Ta b l e 6 Power/Self T est LED colors In addition, check the Unit LEDs on all Switches in the stack. If a Unit LED is off, ini tialization is not complete . 3Com[...]

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

Choosing the Correct Cables 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 ” on pag e 16 for mor e information. Removing an SFP T ransceive r If you wish to r emove a tr ansceive 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 workstatio ns and servers are configur ed as MDI (straight-thr ough). If you want to make a connection to an MDI port, you need to use a standard straight-through cable. See Ta b l e 7 . 3Com recommends that you use Cate gory 5 twisted pair cable — the maximum[...]

Choosing the Correct Cables 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 T hursday, November 17, 2005 12:17 PM[...]

30 C HAPTER 2: I NSTALLING THE S WITCH DUA1730-0AAA03.book Page 30 T hursday, 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). Ho wever , to make full use of the features of fer ed by the Switch, and to chan ge and monitor the way it works, you have to acce ss the management software that r esides on th e Switch. This is[...]

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 yo ur Switch set up an d r eady fo r manage ment when it is in its default st ate. The whole setup process is summarised in Figure 8 . Detailed procedural steps ar e contai ned in t he sections that foll ow . In brief, you ne[...]

Setting Up Overview 33 IP Configuration Y ou can use one of the following methods to allocate IP informat ion to your Switch (essential if you wish to manage your Swit ch across the network). Manual IP Configuration Y ou can choose to configure the IP information yourself. The Switch remembers the information that you enter unt il you change 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 addr ess 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 d[...]

Manually Configuring IP In formation 35 Manually Configuring IP Information Y ou can manually 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 Ethern et cable to the Net[...]

Manually Configuring IP In formation 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 an d password). If you have logged on correctly , a set of Getting Started pages are displayed. 4 T[...]

38 C HAPTER 3: S ETTING U P FOR M ANAGEMENT top-level menu of the co mmand line interface 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 manual[...]

Manually Configuring IP In formation 39 Pre-r equisites ■ A workstation with terminal emulat ion software installed, such as Microsoft Hyperterminal. This software allows you to communicate with the Switch via the console port directly , or thr ough a modem. ■ Documentation supplied wit h th e terminal emulat ion software. ■ 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 th e cable. The settings should be set to match the default settings for the Switch, which ar e: ■ 19,200 baud ■ 8 data bits ■ no parity ■ 1 stop bit ■ no h ard w a re f l ow c on t ro l Refer[...]

Manually Configuring IP In formation 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 Network Supe rvisor — Th[...]

Viewing Automati cally Configured IP Informatio n 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 fi nd pin-out diagrams for both cables in Ap pendix B on page 69 . ■ A Category 5 t[...]

44 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing IP Information via the Console Port Y ou are now r e ady to view the auto matically allocate d IP information using the command line interface. 1 Connect your Switch to the network us ing an Ethernet cable. As soon as a network connection is made the Switch begins th e automatic IP configuration p[...]

Methods of Managing a Switch 45 pr ompt e nter all . A summary of the automatically allocated IP information is displayed. Make a note of the Networ k IP Addr ess. The initial set up of your Switch is now complete and the Switch is r e ady for you to set up your chosen man agement method. See “Methods of Managing a Switch” on page 45 . If you d[...]

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 describ es how you can set up command line interface management using a local console po rt co nnection or over the network. CLI Management via th[...]

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 x xx.xxx.xxx.xxx is the IP address of the Switch) If opening a T elnet sessi on via third party softwar e you will need to enter the IP add[...]

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. W eb Management Over the Network T o manage a Switch usi[...]

50 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Y ou can use the 3Com Network Super visor application 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 vis or it automatically loads the correct MIBs an d necessar y files onto your workstation. Pre-r equisites ■ Docu[...]

Default Users and Passwords 51 Changing Default Passwords Y ou can change the default passwo r ds using either: ■ The gettingStarted command o n the CLI, or ■ The security device user modify command on the CLI, or ■ The Se curity > Device > User > Modify operation on the web interface. For more information about defaul t users and pa[...]

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4 P RO B L E M S OLVING This chapter help s 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 cover ed are: ■ Solving Pr oblems Indicated by LEDs ■ So lv in g H ard ware Pro bl em s ■ Solving Commu nicati on Pr oblems ■ Solving Soft war e Upgrade Pro[...]

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 th e SFP and replace it with a 3Com approved SFP . See “Approved SF P T ransceivers” on page 26. Error message indicating that the SFP transceiver is faulty . T o corr ect this pr oblem, completely r emove the SFP and the n r einsert it.Alternatively , insert another identi cal SFP .[...]

56 C HAPTER 4: P ROBLEM S OLVING How do you obtain a r egister ed IP Addr ess? The IP registration system ensures that every IP addr ess used is unique; if you do not have a register ed 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 [...]

A S AFETY I NFORMATION Y ou must read the following safety information befor e carrying out any installation or removal of components, or any maintenance pr ocedures on the Switch 4200 Family . WAR N IN G : Warnings contain directions that you must follow for your personal safety . Follow all directions carefully . Y ou must read the followin g saf[...]

58 A PPENDIX A: S AFETY I NFORMATI ON Important Safety Information WAR N IN G : Installation and removal of the unit must be carried out by qualified personnel only . WAR N IN G : If in stalling the Swit ch 4200 Family unit in a stack with SuperStack II or SuperStack 3 unit s t hat are shallower than the 4 200 Family , the Switch 4200 Family unit m[...]

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

60 A PPENDIX A: S AFETY I NFORMATI ON WAR N IN 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 N IN G : Use of controls or adjust ments of performance or procedures other than those specifie d herein may result [...]

L’information de Sécurité Importante 61 A VERTISSEMENT : Cor don électrique: Il doit être agréé ans le pays d'utilisation: A VERTISSEMENT : Le coupleur d'ap pareil (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 VERT[...]

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 pr otégés par des prises de données. Ils ne peuvent pas être utilisés comme prises de téléphone conventionnelles standard, ni p our la c onnect ion de l’ u[...]

Wichtige S icherhe itsinfor mationen 63 VORSICHT : Das Gerät muß an eine geerde te Steckdose an geschlossen 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, ni[...]

64 A PPENDIX A: S AFETY I NFORMATI ON VORSICHT : Faseroptikanschlüsse – Optische Sicherheit Niemals ein Übertragungslaser betracht en, während dieses einge schaltet ist. Niemals direkt auf die Faseransnchlüsse un d auf die Faserkabelenden schauen, während diese eingeschaltet sind. VORSICHT: Die Verwendung von Steuerelementen oder die Anpassu[...]

Información de seguridad importante 65 ADVERTENCIA: conjunto de c ables eléctr icos: 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/IEC32 0. ADVERTENCIA: el enchufe debe e[...]

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'unità 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 entazio ne dotata di messa a terra. A VVERTENZA: set dei cavi di alimentazione Deve essere approvato per il paese in cui viene utilizzato[...]

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. Questa un ità non può ricevere alimentazione di tipo IT†. Se l'alim e ntazion e è di tipo IT , l'unità deve essere alimentata a 230 V (2P+T) tra mite un trasf[...]

B P IN - OUTS Null Modem Cable 9-pin to RS- 232 25-pin PC-A T Seria l Cable 9-pin to 9-p in 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 re[...]

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 Pi n Assignments 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[...]

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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) Operati[...]

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 Hum[...]

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D O BTAINING S UPPORT FOR YOUR P R ODUCT Register Y our Product W arr anty 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 arr anty and other service benefits are enabled thr ough pr oduct re gist[...]

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.co m and contains thousands of technical solutions written by 3[...]

Contact Us 79 T o send a pr oduct directly to 3Com for re pair , you must first obtain a return authorization number (R MA). 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 3794 199 161346 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.K. 342 0808128[...]

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 Swi tch 4200 21 S safety information English 58 Fren ch 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 transc[...]

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, pursuan t to part 15 of the FCC rules. These limits are designed to provide reasonab le protection against harmful interference when the equipment is operated in a co mmercial environment . This equipment generates, [...]

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