3Com 4228G manual

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.book Page 1 Thursday, No vember 17, 2005 2:59 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 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 14 GBIC Ports 14 LEDs 15 S[...]

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 32 IP Configuration 33 Preparing for Management 34 Manually Configuring IP Information 35 Connecting to a Front Panel Port 35 Connecting to the Conso[...]

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 Modem Cable 68 RJ-45 Pin Assignments 68 C T ECHNICAL S PECIFICATI ONS Switch 4226T (3C17300) 71 Switch 4250T (3C17302) 73 Switch 4228G (3C17304) 74 D O [...]

DUA1730-0AAA04.book Page 6 Thursday, No vember 17, 2005 2:59 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 with the follo wing Switch 4200 Family models: ■ Switch 4226T (3C17300) — 24 10BASE- T/100BASE-TX ports, 2 10/100/1000BASE-T ports ■ Switch 4250T (3C17302) — 48 10BASE- T/[...]

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 ■ 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 your Swit ch contains the following online documentation: ■ SuperStack 3 Switch Manage ment Quick Reference Guide (PDF format) ■ SuperStack 3 Switch[...]

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 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/1 00BASE-TX ports ■ 2 10/100/1000BASE-T ports ■ 2 GBIC ports (Switch 4228G only) The Switch provides high-performance workgroups with a backbone [...]

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 (3C17304) — fr ont view 3C17300 Superstack 3 Switch 4226T 10BASE-T / 100BASE-TX RJ-45 Ports Power/ Self T est Alert Alert LED 21 91 0 2 2 11 23 12 24 8 20 [...]

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. Only connect RJ-45 da ta connectors, network te lephony systems, or network te[...]

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 . Alte rnat ively , auto-negotiation can be disabled [...]

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. Green / Yellow alternating A 10, 100 or 1000 Mbps link present but disabled. Off [...]

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. Redundant Power System Socket T o protect against internal pow er supply failure, you can use this socket to connect a S[...]

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 Switch unit by selecting System > Control > Initi alize in the Web interface or by entering system control initialize in the Command Line Inter[...]

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. Bef ore insta[...]

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 ■ Power Cord ■ 2 x Mounting brackets ■ 4 x Screws ■ 4 x Rubber feet Choosing a Suitable Site The Switch is suited for use on a desktop, either free[...]

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. ■ The AC supply used by the switch is separate to that used by units that generate high levels of AC nois e, for example, air -conditioning units and laser [...]

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 [...]

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. If a Unit LED is off, initialization is not complet[...]

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). If you want to make a connection to an MDI port, yo[...]

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. This section applies to the SuperStack 3 Swi[...]

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. ■ 1000BASE-LH70 GBIC transceiver Use this transceiver to connect the Switch directly to a single-mode fiber -optic cable or to mu l[...]

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. 5 Chec[...]

30 C HAPTER 2: I NSTALLING THE S WITCH DUA1730-0AAA04.book Page 30 Thursd ay, November 17, 2005 2 :59 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 ro l Refer [...]

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 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 find pin-out diagrams for both cab les in Appendix B on page 67 . ■ A Category 5 tw[...]

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 se ssion 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 a[...]

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 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. Y ou can do this using the command line interface system[...]

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. DUA1730-0AAA04.book Page 51 Thursd ay, November 17, 2005 2 :59 PM[...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT DUA1730-0AAA04.book Page 52 Thursd ay, November 17, 2005 2 :59 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. The topics covered ar e: ■ Solving Pr oblems In dicated by LEDs ■ So lv ing H ard ware Pro bl em s ■ Solving Commu nication Pr oblems ■ Solving Software Upgrade Problems[...]

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 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. 2 Check that the air vents are not obstructed. 3 Power cycle the unit. T o do this, remove and [...]

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 255.255.255.0. If your network has a [...]

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. For details on these options, refer to the Management Inter[...]

58 C HAPTER 4: P ROBLEM S OLVING DUA1730-0AAA04.book Page 58 Thursd ay, November 17, 2005 2 :59 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 4200 Series. 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 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 . WAR NI N G : If installing the Sw itch 4200 Series unit in a stack with SuperStack II or SuperStack 3 units t hat are narrower t han the 4200 Series, the Switch 4200 Series unit mu st[...]

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. The conditions are only maintained if the e[...]

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. 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 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. A VERTI[...]

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. 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 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. VORSICHT : Der Gerätestecker (der Anschluß an das Gerät, nich[...]

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. VORSICHT: Die Verwendung von Steuerelementen oder die Anpass[...]

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[...]

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 . 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 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 + 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[...]

70 A PPENDIX B: P IN - OUTS DUA1730-0AAA04.book Page 70 Thursd ay, November 17, 2005 2 :59 PM[...]

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: 2.4 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 10–95% rela[...]

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 (RFC 2239) T ermi nal Emulati on Telnet (RFC 854) Protocols Used fo r Administration UDP (RFC 768) IP (RFC 791) ICMP (RFC 792) TCP (RFC 793) ARP (RFC 826[...]

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: 2.83 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) Operating Humidity 10–95% rela[...]

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 (10.8 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 Humid[...]

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[...]

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.3com.com and contains thousands of technical solutions written by 3C[...]

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. If your product is r egistered and under warranty , you [...]

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.K. 800[...]

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.book Page 79 Thursd ay, November 17, 2005 2 :59 PM[...]

80 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT DUA1730-0AAA04.book Page 80 Thursd ay, November 17, 2005 2 :59 PM[...]

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 26 maximum length 14 pin-outs 67 CD-ROM 10 command line interface management 45 console port 17 conventions notice icons, Abo[...]

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. See R[...]

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[...]

DUA1730-0AAA04.book Page 84 Thursd ay, November 17, 2005 2 :59 PM[...]