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http://www.3com.com/ Part No. DUA1730-0AAA04 Published July 2005 SuperStack ® 3 Switch 4200 Family Getting Started Guide Switch 4226T (3C17300) Switch 4250T (3C17302) Switch 4228G (3C17304 ) DUA1730-0AAA04.
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.
C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Docume ntation 9 Accessing Online Documentation 10 1 I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 F AMILY About the Switch 4200 Family 12 Summary o.
Choosing the Correct Cables 25 Choosing the correct Fiber cables 26 GBIC Operation 27 Approved GBIC T ransceivers 27 Inserting a GBIC T ransceiver 27 3 S ETTING U P FOR M ANAGEMENT Setting Up Overview.
A S AFETY I NFORMATION Important Safety Information 60 L ’informati on de Sécurité Important e 62 W ichtige Sicherheitsinfor mationen 64 B P IN - OUTS Null Modem Cable 67 PC-A T Serial Cable 67 Mo.
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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 intended for use with the follo wing Switch 42.
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.
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.
10 A BOUT T HIS G UIDE ■ Documentation accompanying 3Com Network Supervisor . This is supplied on the CD-ROM that accompanies the Swit ch. Accessing Online Documentation The CD-ROM su pplied with yo.
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.
12 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES About the Switch 4200 Family The Switch 4200 Family are stackable 10/100/1000 Mbps devices which consists of: ■ 24 or 48 10BASE-T.
About the Switch 4200 Seri es 13 Switch 4200 Famil y — Front View Detail Figure 1 Switch 4226T (3C17300) — fr ont view Figure 2 Switch 4250T (3C17302) — fr ont view Figure 3 Switch 4228G (3C1730.
14 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES 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.
About the Switch 4200 Seri es 15 Fiber GBIC's. The default state for these ports is auto-negotiation enabled, where speed, duplex and flow control mode s are negotiated. Because the speed and duplex modes are fixed by the media type, only the flow control is negotiated with the link partner .
16 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES Green flashing Packets are being transmitted/received on the port. Yellow A 10 or 100 Mbps link is present and the port is enabled. Yellow flashing Packets are being transmitted/received on the port.
About the Switch 4200 Seri es 17 Switch 4200 Famil y — Rear View Detail Figure 4 Switch 4200 Family — r ear view Power Socket Th e Switch automatically adjusts its power setting to any supply voltage in the range 90-240 V AC.
18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES 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.
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 ■ GBIC Operation WARNING: Safety Information.
20 C HAPTER 2: I NSTALLING THE S WITCH Package Contents ■ Switch unit ■ CD-ROM ■ Getting Started Guide (this guide) ■ Release No tes ■ Unit Information Labels ■ W arranty Information ■ P.
Rack-mount ing 21 ■ The switch is situated away from sources of conductive (electrical) dust, for example, laser printers. ■ The unit is installed in a clean, air conditioned environment.
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 .
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.
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.
The Power-up Sequence 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.
26 C HAPTER 2: I NSTALLING THE S WITCH If auto-negotiation is disabled, all the Switch ports ar e configur ed as MDIX (cross-over). If you want to make a connection to another MDIX port, you need a cross-over cable. Many ports on workstatio ns and servers are configur ed as MDI (straight-through).
GBIC Operation 27 If you wish to connect a 1000BASE-SX MT -RJ 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. GBIC Operation The following section describes how to insert a GBIC transceiver into a GBIC port.
28 C HAPTER 2: I NSTALLING THE S WITCH ■ 1000BASE-LX GBIC transceiver Use this transceiver to connect the Switch directly to a single-mode fiber -optic cable or to mu ltimode fiber using a conditioned launch cable.
GBIC Operation 29 Figure 7 Inserting a GBIC T ransceiver 3 The transceiver connects to the ne twork using a duplex SC connector . Attach a male dup lex SC connector on t he network cabl e into the duplex SC connector on the transceiver . 4 Connect the other end of the cable to a device fitted with an appropriate Gigabit Ether net connection.
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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.
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 .
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.
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 .
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.
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 .
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).
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.
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.
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.
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.
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.
Viewing Automaticall y 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.
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.
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.
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 .
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.
48 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 4 T o open a T elnet se ssion via the DOS prompt, enter the IP address of the Switch that you wish to manage in the following format: >telnet xxx.
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.
50 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Pre-r equisites ■ Documentation supplied with the SNMP network man agement application software. T o manage your Switch using an SNMP network management application, you need to specify SN MP commu nity strings for the users defined on the Switch.
Default Users and Passwords 51 ■ The Secu rity > Devic e > User > Modify operatio n on the web inter face. For more information about default users and passwords, refer to the “Superstack 3 Swit ch Management Interface Re ference Guide” on the Switch CD-ROM.
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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.
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.
Solving Hardware Problems 55 So l v in g H a rdw a re Problems SNMP fan fail trap hardwar e failure In the rare event of your Switch unit experiencing an SNMP fan fail trap hardwar e failure, refer to the suggested solution below . 1 Power of f the unit.
56 C HAPTER 4: P ROBLEM S OLVING The IP address is split into two parts: ■ The first part (‘1 92.168.100’ in the example) identifies the network on which the device r esides ■ The second part (‘.8’ in the example) identifies th e device within the network The natural subnet mask for th is example is 255.
Solving Software Upgrade Problems 57 Solving Software Upgrade Problems Y ou can up grade the management software of the Switch by using the System > Control > Software Upgrade operation in the Web Interface, or the system control softwareUpgrade command in the command line interface.
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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 Series. WAR NI N G : Warnings contain directions that you must follow for your personal safety .
60 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 .
Important Safety Information 61 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.
62 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.
L’information de Sécurité Importante 63 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.
64 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.
Wichtige S icherheitsi nformationen 65 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.
66 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 und auf die Fase rkabelenden schauen, während diese eingeschaltet sind.
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.
68 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 .
RJ-45 Pin Assig nments 69 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 + Bi.
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C T ECHNICAL S PECIFICATIONS Switch 4226T (3C17300) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.
72 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213) Bridge MIB (RFC 1493) RMON MIB II (RFC 2021) Remote Monitoring MIB (RFC 1757) MAU MIB (RF.
Switch 4250T (3C17302) 73 Switch 4250T (3C17302) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.
74 A PPENDIX C: T ECHNICAL S PECIFICATIONS Switch 4228G (3C17304) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.
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.
76 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.
Contact Us 77 T o send a product dir ectly to 3Com for re pair , 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 r etur ned to the sender unopened, at the sender’ s expense.
78 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 0800 297 468 0800 71429 800 17309 0800 11315 3 0800 91795 9 0800 182 150 2 06800 12813 1 800 553 1 17 1800 945 379 4 800 879489 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.
Contact Us 79 US and Canada T eleph one T echnical Su pport and Repai r 1 800 876 3 266 Country Telephone Number Country Telephone Number DUA1730-0AAA04.
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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 choos.
82 I NDEX 10/100/1000BASE-T ports 14 console 17 GBIC ports 14 power socket 17 powering-up a Switch 4200 24 problem solving 53 communication problems 55 ha rd wa re pro b le ms 55 IP addressing 55 LEDs 54 Solving software upgrade pr oblems 57 stack formation problem s 56 product name 22 R rack mounting a Swit ch 4200 21 Redundant Power System.
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.
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Een belangrijk punt na aankoop van elk apparaat 3Com 4228G (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen 3Com 4228G heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens 3Com 4228G vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding 3Com 4228G leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over 3Com 4228G krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van 3Com 4228G bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de 3Com 4228G kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met 3Com 4228G . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
