3Com C17304 инструкция обслуживания

http://www.3com.com/ Part No. DUA1730-0AAA 02 Published October 2002 SuperStack ® 3 Switch 4200 Series Getting Started Guide 3C17300 3C17302 3C17304 DUA1730-0AAA02.book Page 1 Thursday, J anuary 23, 2003 12:28 PM[...]

3Com Corporati on 5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 2002, 3Com T echnologies. All rights re served. No part o f this documentation may be repr oduced in any form or by any means or us ed to make any derivative work (such as translati on, transformation , or adaptation) without writt en permission fr om 3Com T echno[...]

C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Docume ntation 9 Accessing Online Documentation 10 Product Registration 10 Documentatio n Comments 10 1 I NTRO DUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES About the Switch 4200 Series 12 Summary of Hardwar e Features 12 Switch 4200 Series — Front View Detail 13 10BASE-T/ 100BASE-TX Ports 14 [...]

Checking for Correct Operation of LEDs 24 Connecting a Redundant Power System 25 Choosing the Correct Cables 25 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 Configu[...]

Solving Stack Formation Problems 56 Solving Software Upgrade Pr oblems 57 A S AFETY I NFORMATION Important Safety Information 60 L ’infor mation de Sécurité Im portante 62 W ichtige Sicherheit sinformationen 64 B P IN - OUTS Null Modem Cable 67 PC-A T Serial Cable 67 Modem Cable 68 RJ-45 Pin Assignments 68 1000BASE-T RJ -45 Pin Assignments 69 C[...]

I NDEX R EGULATORY N OTICES DUA1730-0AAA02.book Page 6 Thursday, J anuary 23, 2003 12:28 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 all Switch 4200 Series models: ■ Switch 4226T (3C17300) — 24 10BASE- T/100BASE-TX ports, 2 10/100/1000BASE-T po rts ■ Switch 4250T (3C17302) — 48 10BASE- T/100BASE-TX[...]

8 A BOUT T HIS G UIDE Conventions Ta b l e 1 and Ta b l e 2 list conventions that are used throughout this guide. Ta b l e 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, sys[...]

Related Documentation 9 Related Documentation In addition to this guide, each Sw itch documentatio n 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 ac[...]

10 A BOUT T HIS G UIDE Accessing Online Documentation The CD-ROM su pplied with your Swit ch contains the following online documentation: ■ SuperStack 3 Switch Implementation Guid e (PDF format) ■ SuperStack 3 Switch Manageme nt Interface Reference Guide (HTML format) 1 T o access th e documentation insert the CD-ROM into your CD-ROM drive. If [...]

1 I NTR ODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES This chapter contain s introductory information about the Switch 4200 Series and how it can be used in y our network. It covers summaries of hardwar e and software featur es and also the following topics: ■ About the Switch 4200 Series ■ Switch 4200 Series — 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 Series The Switch 4200 Series are stackabl e 10/100/1000 Mbps devices wh ich consists of: ■ 24 or 48 10BASE-T/1 00BASE-TX port s ■ 2 10/100/1000BASE-T ports ■ 2 GBIC ports (Switch 4228G only) The Switch provides high-performance workgroups with a backbo[...]

About the Switch 4200 Seri es 13 Switch 4200 Series — 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 1[...]

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 a re 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 ne twork [...]

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 rnatively , auto-negotiation can b e 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 Series — Rear View Detail Figure 4 Switch 4200 Series — 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 protect against inter nal power sup ply failure, you can use this socket to connect a Sw[...]

18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4200 S ERIES Default Set tings Ta b l e 5 shows the defau lt settings for the Switch 4200 Series: 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 Inte[...]

2 I NSTALLING THE S WITCH This chapter contains the informat ion you need to install and set up the Switch 4200 Series. 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. Befo re install[...]

20 C HAPTER 2: I NSTALLING THE S WITCH Package Contents ■ Switch unit ■ CD-ROM ■ Getting Started Guide (this guide) ■ Management Quick Reference Guide ■ Release No tes ■ Unit Information Labels ■ W arrant y Information ■ Power Cord ■ 2 x Mounting brackets ■ 4 x Screws ■ 4 x Rubber feet Choosing a Suitable Site The Switch is su[...]

Rack-mount ing 21 ■ 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, 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, [...]

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 w ith 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 ar e 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 When another Switch 4200 Series unit is added to the top of an established stack, no stack renumbering occurs. If however the unit being added takes the stack height above 4 then the ‘u p’ port on the top unit of the existing stack will be disabled and its LED will flash green. Y ou will then not be able t[...]

The Power-up Sequence 25 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, initialization is not complete . 3Com r e commends that you do not use the Switch's management interface until the Unit LED is green. If there is evidence of a problem, see “Solving Problems Ind[...]

26 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-through). If you want to make a connection to an MDI port, you need to use a standard straight-thro ugh cable. See Ta b l e 7 . 3Com recommends that you use Cate gory 5 twisted pair cable — the maximum[...]

GBIC Operation 27 GBIC Operation The following section describes how to insert a GBIC transceiver into a GBIC port. This section applies to the SuperStack 3 Switch 4228G on ly . GBIC transce ivers are hot -insertable an d hot-swappa ble. Y ou can remove them from and insert them into any GBIC po rt without having to power down the Switch. Approved [...]

28 C HAPTER 2: I NSTALLING THE S WITCH Use this transceiver to connect the Switch directly to a single-mode fiber - optic cable or to mult imode fiber using a con ditioned launch cable. ■ 1000BASE-LH70 GBIC transceiver Use this transceiver to connect the Switch directly to a single-mode fiber - optic cable or to mult imode fiber using a con ditio[...]

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 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 Che[...]

30 C HAPTER 2: I NSTALLING THE S WITCH DUA1730-0AAA02.book Page 30 Thur sday, January 23, 2003 12:28 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 monito r the way it works, you have to acce ss the management software that r esides on th e Switch. This is k[...]

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 g et your Switch set up and rea dy for manage ment when it is in its default state. The whole setup process is summarised in Figur e 8 . Detailed procedural steps ar e contained in the sectio ns that foll ow . 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 choose to config ure 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 works tation 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 t he cable: a Attach an RJ-45 connector at one en d of the Ethern et cable to the Ne[...]

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 n ame and pass word). If you have logged on correctly , a set of Getting Started pages are displayed. 4 [...]

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 the protocol ip basicConfig command. At the Enter configuration method prompt enter manual[...]

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 a rdw a re f l o w co n t rol 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 the protocol ip basicConfig command. At the Enter configuration method prompt enter manual . The screen prom pts you to e nter IP in formation. or ■ enter the gettingStarted command. At the E[...]

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 Superviso r — 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 cables in Appendix B on page 67 . ■ A Category 5 twi[...]

44 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing IP Information via the Console Port Y ou are now r eady to view 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 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 remotely ove[...]

Setting Up Command Line Interface Management 47 Figure 18 SNMP management over the network Refer to “Setting Up SNMP Management” on p age 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 th[...]

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

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 ■ Documentatio n supplied with the SNMP network management application software. T o manage your Swit ch 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 th e command line interface syst[...]

Default Users and Passwords 51 ■ The Securi ty > Devic e > User > Modify o peration on the web interface. For more information about default users and passwords, refer to the “Superstack 3 Swit ch Management Interf ace Reference Guide” on the Switch CD-ROM. DUA1730-0AAA02.book Page 51 Thur sday, January 23, 2003 12:28 PM[...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT DUA1730-0AAA02.book Page 52 Thur sday, January 23, 2003 12:28 PM[...]

4 P RO B L E M S OLVING This chapter helps you to diagnose an d solve problems you may have with the operation of your Switch. There is also an explanation of IP addressing. The topics covered ar e: ■ Solving Pr oblems Indicated by LEDs ■ So lv in g H ard wa re P rob le ms ■ Solving Commu nication Pr oblems ■ Solving Software Upgrade Proble[...]

54 C HAPTER 4: P ROBLEM S OLV ING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, re fer to the list of su ggested 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 conn ection is secure and ther e is still no power , you may [...]

Solving Hardware Problems 55 So l v i n g H ardw a re Problems SNMP fan fail trap har dware failur e In the rare event of your Switch unit experiencing an SNMP fan fail trap hardwar e failure, re fer 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 th is, remove a[...]

56 C HAPTER 4: P ROBLEM S OLV ING 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 upgrade th e management software of the Switch by using the System > Control > Software Upgrade oper ation in the Web Interface, or the system control softwareUpgrade command in the command line interface. For details on these options, refer to the Management Inte[...]

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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 . Follow all directions carefully . Y ou must read th e following safet[...]

60 A PPENDIX A: S AFETY I NFORMATION Important Safety Information WAR NI N G : Installation and removal of the unit must be carried out by qualified personnel only . WAR NI N G : If installing the Swit ch 4200 Series unit in a stack with SuperStack II or SuperStack 3 units t hat are narrower than the 4200 Series, the Switch 4200 Series unit must be[...]

Important Safety Information 61 WAR NI N G : The socket outle t 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 NFORMATION 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 contro ls or adjustments of p erformance or procedures other than those specifie d herein may result [...]

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 groupe et non pas la prise murale) doit respecter une configuration qui permet un branchement sur une entrée d'appareil EN60320/CEI 320. A VERTIS[...]

64 A PPENDIX A: S AFETY I NFORMATION 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 Sich erheitsinformationen 65 VORSICHT : Das Gerät muß an eine geerde te Steckdo se 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, nicht[...]

66 A PPENDIX A: S AFETY I NFORMATION VORSICHT : Faseroptikanschlüsse – Optische Sicherheit Niemals ein Übertragungslaser betracht en , während dieses einge schaltet ist. Niemals direkt auf die Faserans nchlüsse und auf die Faserkabelenden schauen, während diese eingeschaltet sind. VORSICHT: Die Verwendung von Steuerelement en oder die Anpass[...]

B P IN - OUTS Null Modem Cable 9-pin t o RS-232 25-pin PC-A T Se rial 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 req[...]

68 A PPENDIX B: P IN - OUTS Modem Cable 9-pin to RS- 232 25-pin RJ-45 Pin Assignments Pin assignments are identical for 10BASE-TX and 100BASE-T RJ-45 connectors. T able 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 Cable connector: 9-pin fe[...]

1000BASE-T RJ-45 Pin Assignments 69 T able 11 Pin assignments 1000BASE-T RJ-45 Pin Assignments T ab le 12 and T able 13 show the pin assignments for the 1000 BASE-T RJ-45 connectors. T able 12 Pin assignments Pin Number Signal Function Ports configured as MDIX 1 Receive Data + Bidirectional Data B+ 2 Receive Data - Bidirectional Data B- 3 Transmit [...]

70 A PPENDIX B: P IN - OUTS T able 13 Pin assignments Pin Number Signal Func tion Ports configured as MDIX 1 Transmit/Recieve B + Bidirectional Data B+ 2 Transmit/Recieve B - Bidirectional Data B- 3 Transmit/Recieve A + Bidirection al Data A+ 4 Transmit/Recieve A - Bidirectional Data A- 5 Transmit/Recieve D + Bidirection al Data D+ 6 Transmit/Recie[...]

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 ermina l Emulation 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% relat[...]

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 Humidi[...]

D T ECHNICAL S UPPORT 3Com provides easy access to tech nical support information through a variety of services. This appendix describes these services. Y ou can pu rchase additional ser vices from your networ k supplier or from 3Com. These ser vices can enhance warranty resp onse times. They can also provide supplementar y services not included in[...]

76 A PPENDIX D: T ECHNICAL S UPPORT 3Com Knowledgebase Web Services The 3Com Knowledgeba se is a databa se of technical information to help you install, upgrade, con figure, or support 3Com products. The Knowledgebase is updated daily with technical information discovered by 3Com technical support engineers. Th is complimentary service, which is av[...]

Support from 3Com 77 Support from 3Com If you are unable to obtain assistan ce from the 3Com online technical resour ces discussed earlier in this appendix, or from your network supplier , 3Com offers a ran ge of sup port services. Purchase of a support contract gives you priority response and is typically mor e cost effective than purchasing servi[...]

78 A PPENDIX D: T ECHNICAL S UPPORT Here is a list of worldwide technical telephone support numbers. These numbers are corr ect at the time of publication. Refer to the 3Com W eb site for updated information. Country Telephone Number Coun try Telephone Number Asia, Pacific Rim Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan [...]

Returning Products for Repair 79 Returning Products for Repair Before you send a product directly to 3Com for r e pair , you must first obtain an authorizat ion number . Products sent to 3Com without authorization numbers will be return ed to the sender unopened, at the sender’ s expense. Y ou can obtain a Retur n Material s Authorization numbe r[...]

80 A PPENDIX D: T ECHNICAL S UPPORT Latin America Antigua Argentina Aruba Bahamas Barbados Belize Bermuda Bonair e Brazil Cayman Chile Colombia Costa Rica Curacao Ecuador Dominican Republi c 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13 3COM 1 800 998 2112 AT&T +80[...]

I NDEX 81 I NDEX Numbers 10/100/1000BASE-T ports 14 3C number 22 3Com Knowledgebase Web Services 76 3Com URL 75 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 4[...]

82 I NDEX pin assignments modem cable 68 null modem cable 67 RJ45 68 RJ45 1000BASE-T 69 serial cable 67 pin-outs 67 ports 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 hardwar e problems 55 IP addressing 55 LEDs 54 Solving software upgrade problems 57 st[...]

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, pursu ant to part 15 of the FCC rules. These limits are designed to provide reasonable protection ag ainst harmful interference when the equipment is operated in a co mmercial environment. This equipment generates, u[...]

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