3Com SUPERSTACK 4226T инструкция обслуживания

http://www.3com.com/ Part No. DUA1730-0AAA 04 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 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 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 ts 14 GBIC Ports 14 LEDs 15[...]

Choosing the Correct Cables 2 5 Choosing the correct Fiber cable s 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 Con[...]

A S AFETY I NFORMATION Important Safety Information 60 L ’information de Sécur ité Importante 62 W ichtige Sicherheitsinf ormationen 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 PECIFICATION S Switch 4226T (3C17300) 71 Switch 4250T (3C17302) 73 Switch 4228G (3C17304) 74 D O B[...]

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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 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 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 ■ Documentation accompanying 3Com Network Supervis or . This is supplied on the CD-R OM 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 Swit[...]

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 S ERIES About the Switch 4200 Family The Switch 4200 Family are stackable 10/100/1000 Mbps devices which consists of: ■ 24 or 48 1 0BASE-T/100BASE-TX port s ■ 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 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-4 5 data connectors, networ k telephony system s, or network t[...]

About the Switch 4200 Seri es 15 Fiber GBIC's. The default state for these ports is auto-negotiatio n enabled, wher e 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 r natively , aut o-negotiation can be disabl[...]

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 The Switch automatically adjusts its power setting to any supply voltage in the range 90-240 V AC. Redundant Power System Socket T o pr otect against inter nal power supply failu re, you can use this socket to connect a [...]

18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES Default Setti ngs 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 Inter[...]

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 ■ GBIC Operation WARNING: Safety Information. B efore inst a[...]

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 arr anty 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 fre[...]

Rack-moun ting 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 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 [...]

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 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 complet[...]

26 C HAPTER 2: I NSTALLING THE S WITCH If auto-negotiation is disabled, all the Switch ports ar e configured as MDIX (cross-over). If you want to make a connection to another MDIX port, you need a cross-over cable. Many ports on workst ations and servers are configur ed as MDI (straight-thr ough). 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 mult imode 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[...]

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 duplex SC connector o n the network cab le into the dup lex 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 T hursd 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). 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 info rmation 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 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 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 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 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 o w c on t ro l Refe[...]

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 67 . ■ 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 a ce 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 Pre-r equisites ■ Document ation supplied with the SNMP network management application software . T o manage your Switch usin g an SNMP network management application, you need to specify SN MP community strings for the users defined on the Switch. Y ou can do this using th e command line interface syst[...]

Default Users and Passwords 51 ■ The Se curity > Device > User > Modify operation on the web interface. For more information about defaul t users and passwords, refer to the “Superstack 3 Swit ch Management Interf ace Reference Guide” on the Switch CD-ROM. DUA1730-0AAA04.book Page 51 T hursd ay, November 17, 2005 2 :59 PM[...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT DUA1730-0AAA04.book Page 52 T hursd ay, November 17, 2005 2 :59 PM[...]

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 P robl 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 Hardware Problems 55 So l v in g H a rd w are Problems SNMP fan fail trap har dware failur e In the rar e event of your Switch unit experiencing an SNMP fan fail trap hardwar e failure, r efer 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, r emove[...]

56 C HAPTER 4: P ROBLEM S OLVING The IP address is split into two parts: ■ The first par t (‘192.168.100’ 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 upgrade the management sof tware 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 T hursd ay, November 17, 2005 2 :59 PM[...]

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 Series. WAR N IN G : Warnings contain directions that you must follow fo r your personal safety . Follow all directions carefully . Y ou must read the followin g saf[...]

60 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 installing the Switch 4200 Series unit in a stack with SuperStack II or SuperStack 3 unit s that are narrower than the 42 00 Series, the Switch 4200 Series unit mu st [...]

Important Safety Information 61 WAR N IN G : The socke t outlet 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[...]

62 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 performan ce or procedures other than those specifie d herein may result[...]

L’information de Sécurité Importante 63 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[...]

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 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 65 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[...]

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 un d auf die Faserkabelenden schauen, während diese eingeschaltet sind. VORSICHT: Die Verwendung von Steuerelementen oder die Anpassu[...]

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[...]

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 Pi n Assignments 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 T hursd 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% rel[...]

72 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standard s 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 erminal Em ulation Telnet (RFC 854) Protocols Used fo r Administra tion UDP (RFC 768) IP (RFC 791) ICMP (RFC 792) TCP (RFC 793) ARP (RFC 82[...]

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 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[...]

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

Contact Us 77 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[...]

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 1502 06800 12813 1 800 553 117 1800 945 3794 800 879489 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.K. 800 23[...]

Contact Us 79 US and Canada T elephone T echnica l Support and Rep air 1 800 876 3266 Country Telephone Number Country Telephone Number DUA1730-0AAA04.book Page 79 T hursd ay, November 17, 2005 2 :59 PM[...]

80 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT DUA1730-0AAA04.book Page 80 T hursd 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 port s 14 power socket 17 powering-up a Switch 42 00 24 problem solving 53 communication problems 55 ha rd wa re pro b le m s 55 IP addressing 55 LEDs 54 Solving software upgrade pr oblems 57 stack formation problem s 56 product name 22 R rack mounting a Swi tch 4200 21 Redundant Power System. Se[...]

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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