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112

A

PPENDIX

 B: P

IN

-

OUTS

Modem Cable

RJ-45 to RS-232 25-pin

Ethernet Port RJ-45 
Pin Assignments

10/100 and 1000BASE-T RJ-45 connections.

Table 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 4500
Cable connector: RJ-45 female

RS-232 Modem Port
Cable connector: 25-pin male

Pin Number

10/100

1000

Ports configured as MDI

1

Transmit Data + 

Bidirectional Data A+

2

Transmit Data –

Bidirectional Data A-

3

Receive Data +

Bidirectional Data B+

4

Not assigned

Bidirectional Data C+

5

Not assigned

Bidirectional Data C-

6

Receive Data –

Bidirectional Data B-

7

Not assigned

Bidirectional Data D+

8

Not assigned

Bidirectional Data D-

Содержание 3CR17561-91-US - Switch 4500 26PORT Managed 24 10/100 2 Gbe Stackable...

Страница 1: ...art No 10015034 Published March 2006 Switch 4500 Family Getting Started Guide Switch 4500 26 Port 3CR17561 91 Switch 4500 50 Port 3CR17562 91 Switch 4500 PWR 26 Port 3CR17571 91 Switch 4500 PWR 50 Por...

Страница 2: ...unction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com the 3Com logo and SuperS...

Страница 3: ...mentation Comments 12 1 INTRODUCING THE SWITCH 4500 FAMILY About the Switch 4500 14 Summary of Hardware Features 15 Switch 4500 Front View Detail 15 10BASE T 100BASE TX Ports 17 Gigabit Ports 17 Conso...

Страница 4: ...4500 35 Checking for Correct Operation of LEDs 35 Choosing the Correct Cables 35 Choosing the Correct Cables for the 1000BASE X SFP Ports 37 SFP Operation 38 Approved SFP Transceivers 38 Inserting an...

Страница 5: ...ement Over the Network 59 Setting Up SNMP Management V1 or V2 59 Pre requisites 60 Default Users and Passwords 60 4 CREATING A STACK How To Interconnect Units 63 Guidelines For Interconnecting Units 6...

Страница 6: ...information de S curit Importante 95 Wichtige Sicherheitsinformationen 99 Informaci n de Seguridad Importante 102 Importanti Informazioni di Sicurezza 105 Wa ne informacje o zabezpieczeniach 108 B PI...

Страница 7: ...RT FOR YOUR PRODUCT Register Your Product 121 Purchase Value Added Services 121 Troubleshoot Online 122 Access Software Downloads 122 Telephone Technical Support and Repair 122 Contact Us 123 INDEX RE...

Страница 8: ......

Страница 9: ...responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks Before You Start This section contains information about the d...

Страница 10: ...aution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that alerts you to potential personal injury Table 2 Text Conven...

Страница 11: ...at enable you to manage the Switch It is supplied in PDF format on the CD ROM that accompanies the Switch Release Notes These notes provide information about the current software release including new...

Страница 12: ...e Docs directory on the CD ROM The PDF Configuration Guide is stored in the Docs directory of the CD ROM Documentation Comments Your suggestions are very important to us They will help make our docume...

Страница 13: ...oductory information about the Switch 4500 and how it can be used in your network It covers summaries of hardware and software features and also the following topics About the Switch 4500 Switch 4500...

Страница 14: ...ks to a backbone or for server connections With stacking you can add additional Switch 4500s as your network grows while preserving ease of management For information about using the software features...

Страница 15: ...er over Ethernet Supported on 10 100 ports 3CR17571 91 and 3CR17572 91 only Ethernet and Fast Ethernet Ports Auto negotiating 10BASE T 100BASE TX ports Gigbait Ethernet Ports Auto neogotiating 10BASE...

Страница 16: ...Two pairs of Combo Ports fitted with two1000BASE T SFP transceivers in last two ports Unit LED Console Port Mode LED Power LED 10 100BASE TX Ports Port Status LEDs 1000Base X SFP Ports Two pairs of Co...

Страница 17: ...rt in each pair can be enabled at any one time Two 1000BASE T SFP modules are inlcuded with these switches and can be used for uplinks or stacking using copper Ethernet cabling While usable in any of...

Страница 18: ...er appears in the Unit LED seven segment display or Software download is in progress During software download a clockwise cycling bar appears in the Unit LED Green flashing The Switch has failed POST...

Страница 19: ...duplex blinking off for every packet received or transmitted Yellow flashing The port has failed POST Off No link is present PoE 3CR17571 91 and 3CR171572 only Green Power is being delivered to the p...

Страница 20: ...Switch 4500 ou d entamer une proc dure de maintenance lisez les informations relatives la s curit qui se trouvent dans l annexe A de ce guide VORSICHT Bevor Sie Komponenten der Switch 4500 Baureihe in...

Страница 21: ...s and redundant power for powered devices and the Switch itself Default Settings Table 6 shows the default settings for the Switch 4500 Family Table 6 Default Settings Feature Switch 4500 Automatic IP...

Страница 22: ...ITCH 4500 FAMILY Traffic Prioritization All ports prioritize NBX VoIP traffic LAN and IP All ports set to best effort for all other traffic Port Security Disabled per port Configuration Save and Resto...

Страница 23: ...is guide AVERTISSEMENT Consignes de s curit Avant d installer ou d enlever tout composant du Switch 4500 ou d entamer une proc dure de maintenance lisez les informations relatives la s curit qui se tr...

Страница 24: ...t lub przeprowadzeniem prac konserwacyjnych nale y zapozna si z informacjami o bezpiecze stwie zawartymi w Za czniku A niniejszego podr cznika Package Contents Switch unit CD ROM includes documentatio...

Страница 25: ...r or moisture cannot enter the case of the Switch Air flow is not restricted around the Switch or through the vents in the side of the Switch 3Com recommends that you provide a minimum of 25mm 1in cle...

Страница 26: ...ds you 2 Locate a mounting bracket over the mounting holes on one side of the front of the Switch as shown in Figure 7 Figure 7 Fitting a front bracket for rack mounting 3 Insert the two screws and ti...

Страница 27: ...rrect positions to mount the bracket Table 7 Rear rail rack mounting points 2 Insert the screw and tighten with a suitable screwdriver 3 Repeat steps 1 and 2 for the other rear securing bracket Figure...

Страница 28: ...ions supplied with your RPS WARNING When powering any Switch 4500 PWR from an RPS the unit must be earthed grounded This can be achieved by either connecting the power cord to the unit or by connectin...

Страница 29: ...h is powered from the mains supply unit a failure of the internal power supply will cause the Switch to fail This can be overcome by connecting both the AC and DC RPS supplies to the Switch Additional...

Страница 30: ...fect the 48V DC output voltage Table 9 shows an example of the total power available from a number of 1500W rectifiers A minimum of two rectifiers are required for each shelf to provide N 1 rectifier...

Страница 31: ...r of network switches Each RPS consists of a shelf which can house from one to six rectifiers a Distribution Module and a Management Module Connecting the Switch to the Redundant Power System When con...

Страница 32: ...he Switch is connected to the negative circuit breaker terminal of the RPS Figure 9 shows how to connect the power supply to the RPS socket in the back of the Switch Use the cable tie supplied with yo...

Страница 33: ...gh any of its 10 100 ports over a Category 5 or Category 5e Ethernet cable The same cable connects the device to the network Power over Ethernet is a self configuring protocol When you plug a PoE comp...

Страница 34: ...nformation on Power over Ethernet refer to the Power over Ethernet Configuration chapter in the Configuration Guide supplied on the CD ROM that accompanies your Switch 4500 Power over Ethernet managem...

Страница 35: ...your Switch is operating correctly Table 12 shows possible colors for the LED Table 12 Unit Status Colors If there is evidence of a problem see Solving Problems Indicated by LEDs on page 68 for a list...

Страница 36: ...other devices if auto negotiation is disabled CAUTION If you want to install the Switch using a Category 5E or Category 6 cable 3Com recommends that you briefly connect the cable to a grounded port b...

Страница 37: ...onnectors and supports segment lengths of up to 100 m 328 ft Table 14 shows the range for each connection Table 14 1000BASE X SFP Port Cable Range Fiber Type Diameter microns Modal Bandwidth MHz km Tr...

Страница 38: ...500 only To access the latest list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site enter this URL into your internet browser http www 3com com transceiver 1000B...

Страница 39: ...n the Switch 1 The SFP transceiver is keyed and there is only one way in which it can be installed correctly It is not necessary to power down your Switch 2 Hold the transceiver so that the connector...

Страница 40: ...need to return the Switch to 3Com WARNING The unit should be packaged safely to ensure that you do not invalidate the repair Follow these steps to ensure that you package your unit correctly 1 Orienta...

Страница 41: ...l performance of your network This chapter explains the initial set up of the Switch and the different methods of accessing the management software to manage a Switch It covers the following topics Me...

Страница 42: ...k see Figure 13 Figure 12 CLI Management via the Console Port Figure 13 CLI Management over the Network Refer to Setting Up Command Line Interface Management on page 56 There are two main views in the...

Страница 43: ...al set of web pages that allow you to manage the Switch using a Web browser remotely over an IP network see Figure 14 Figure 14 Web Interface Management over the Network Refer to Setting Up Web Interf...

Страница 44: ...Feature Management Power Up the Switch IP Information is automatically configured via DHCP See page 45 Do you want to manually configure the IP information Connect to the con sole port and use the Co...

Страница 45: ...esses Static IP addresses are necessary to ensure that the Switch is always allocated the same IP information For most installations 3Com recommends that you configure the Switch IP information manual...

Страница 46: ...itch is not allocated with an automatic IP address the IP configuration will be blank or shown as If you use the automatic IP configuration method you need to discover the automatically allocated IP i...

Страница 47: ...nnection to the console port this example describes a local connection to the console port rather than one via a modem You can do this whilst the Switch is offline that is before you connect the Switc...

Страница 48: ...ble The settings must be set to match the default settings for the Switch which are 19 200 baud bits per second 8 data bits no parity 1 stop bit no hardware flow control Refer to the documentation tha...

Страница 49: ...address and subnet mask for the Switch as follows ip address xxx xxx xxx xxx mmm mmm mmm mmm and Enter where xxx xxx xxx xxx is the IP address and mmm mmm mmm mmm is the subnet mask of the Switch 6 S...

Страница 50: ...mation on page 53 for more information The procedure described in this section assumes the unit has been powered up in standalone mode Pre requisites A workstation running a suitable operating system...

Страница 51: ...nually set up the Switch with IP information You can do this using the Web interface or the command line interface CLI via telnet Using the Web Interface 1 Power up the Switch This takes approximately...

Страница 52: ...et up your chosen management method See Methods of Managing a Switch on page 42 Using Command Line Interface via Telnet 1 To start a Telnet session to the unit click Start in Microsoft Windows 95 98 2...

Страница 53: ...ser View enter the save command to save the configuration to your Switch as the configuration is not saved automatically when the Switch is powered down The initial set up of your Switch is now comple...

Страница 54: ...DHCP or BootP server If your network does not have a DHCP or BootP server the workstation running 3Com Network Director must be on the same subnet as the Switch because Auto IP addresses are non routa...

Страница 55: ...ayed as shown in the example in Figure 21 Figure 21 User View Login 4 Enter display ip interface br to view a summary of allocated IP addresses The initial set up of your Switch is now complete and th...

Страница 56: ...to the Console Port on page 47 2 Your Switch is now ready to continue being managed and or configured through the CLI via its console port CLI Management over the Network To manage a Switch using the...

Страница 57: ...ing SSH 1 Ensure you have already set up the Switch with IP information as described in Methods of Managing a Switch on page 42 2 Check that you have the IP protocol correctly installed on your manage...

Страница 58: ...e Switch using TFTP server please refer to the Configuration Guide that is supplied with your Switch Setting Up Web Interface Management This section describes how you can set up web interface managem...

Страница 59: ...ch is powered up 3 Open your web browser and enter the IP address of the Switch that you wish to manage in the URL locator for example in the following format http xxx xxx xxx xxx 4 At the login and p...

Страница 60: ...enu in System View Default Users and Passwords If you intend to manage the Switch using the web interface or the command line interface or to change the default passwords you need to log in with a val...

Страница 61: ...d for the admin user in the CLI enter the following from system view 4500 local user admin cr 4500 luser admin password simple xxxxxxxx where xxxxxxxx is your chosen password Save the configuration in...

Страница 62: ...62 CHAPTER 3 SETTING UP FOR MANAGEMENT...

Страница 63: ...ch 4500s This section assumes you have either set up your units for management as detailed in Chapter 3 Setting Up for Management or that you are using a console cable connected to the console port to...

Страница 64: ...nected is eight You can only create a stack by interconnecting a 3Com Switch 4500 with other 3Com Switch 4500s Stacking is only supported using Gigabit ports The stacking connections must be from one...

Страница 65: ...Com recommends that you manually assign the unit IDs within the stack if you wish to have predictability of knowing which units have which IDs at all times Stack topology is discovered and the units a...

Страница 66: ...g only occurs when the stack is next power cycled if the units are configured to auto number The unit LEDs will display the unit number in the stack from 1 to 8 If you are having problems refer to Sol...

Страница 67: ...he topics covered are Solving Problems Indicated by LEDs Solving Hardware Problems Solving Communication Problems Solving Stack Formation Problems If you experience a problem that is not listed here i...

Страница 68: ...blem The fault type will be indicated on the unit LEDs Contact your supplier for advice On powering up the PWR LED is flashing yellow A port has failed and has been automatically disabled You can veri...

Страница 69: ...could potentially reduce the lifetime of the Switch The monitoring system polls the fan status at periodic intervals while the unit is powered up If one fan has failed in the Switch a warning message...

Страница 70: ...return the unit If yes check that The air vents are not obstructed The ambient temperatures and environmental conditions meet those specified in Appendix C 4 Power cycle the unit If a further thermal...

Страница 71: ...where n is a decimal number between 0 and 255 An example IP address is 192 168 100 8 The IP address is split into two parts The first part 192 168 100 in the example identifies the network on which th...

Страница 72: ...d ref 18 The 4500 PWR will only supply power through the front panel port to 802 3af compliant devices Check that power budget for the Switch has not been exceeded If the power budget has been exceede...

Страница 73: ...g problems with correctly forming a stack first ensure that Spanning Tree is enabled If it is enabled do the following 1 Power off all units in the stack 2 Check all the cable connections in the stack...

Страница 74: ...74 CHAPTER 5 PROBLEM SOLVING...

Страница 75: ...chapter describes how to upgrade software to your Switch 4500 It covers the following topics The Contents of the Executable File Upgrading from the Command Line Interface Upgrading from the Bootrom I...

Страница 76: ...xxxNetMan zip will fail The individual web btm or app files should be used to upgrade your Switch as described below The Switch 4500 ships with software supporting 56 bit encryption Check on www 3Com...

Страница 77: ...o delete a file from the list enter delete unreserved unit1 flash filename To delete files from the list for the remaining units in a fabric replace unit1 with unit2 on the next line and so on for eac...

Страница 78: ...flash 030100cfg cfg Replace unit1 with unit2 and so on for each Switch in the fabric 3 To back up the Web user interface file on each Switch in the fabric enter copy unit1 flash s3p03_01_00 web unit1...

Страница 79: ...lace unit2 with unit3 and so on for each Switch in the fabric 2 To copy the new default configuration file to each Switch in the fabric enter copy unit1 flash 3ComOScfg def unit2 flash Replace unit2 w...

Страница 80: ...rom firmware and boot from the specified software app file The files that you have saved in the backup phase should be deleted once the upgrade has completed successfully FTP via a network port To upg...

Страница 81: ...splayed WARNING xmodem is a slow transfer protocol limited to the current speed settings of the auxiliary ports During the course of the download no exec input output will be available Proceed Y N y D...

Страница 82: ...sword to display the following boot menu BOOT MENU 1 Download application file to flash 2 Select application file to boot 3 Display all files in flash 4 Delete file from flash 5 Modify bootrom passwor...

Страница 83: ..._0024 zip 3comoscfg def 3comoscfg cfg s3n03_01_00s168 app The s3n03_01_00s168 app file is the boot software The name of this file will vary depending on the Switch type and the release version If the...

Страница 84: ...le to flash Yes or No Y N 4 Enter y and the following information is displayed to indicate the file is downloading Attached TCP IP Interface to netdrv0 Attaching network interface lo0 done Loading don...

Страница 85: ...h of the remaining files XModem To upgrade software to your Switch via XModem do the following 1 From the Boot Menu select option 1 Download application file to flash to display the following 1 Set TF...

Страница 86: ...e software has been loaded 1 From the Boot menu select option 2 to display the following Select applicaton file to boot 1 set application file to boot 2 set configuration files 3 set web files 0 retur...

Страница 87: ...address and Server IP address to display the following Are you sure to update your bootrom Yes or No Y N 4 Enter y and the following information is displayed to indicate the file is downloading Attac...

Страница 88: ...e Loading done Bootrom updating done Bootrom Upgrade via XModem To upgrade the bootrom firmware from the Boot menu via XModem do the following 1 From the Boot Menu select option 6 to display the follo...

Страница 89: ...rotocol If you want to exit Press Ctrl X Loading CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 5 As the file is downloading start the XModem send file process with terminal emulation software such as Microsoft Hypert...

Страница 90: ...90 CHAPTER 6 UPGRADING SOFTWARE...

Страница 91: ...re s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil V...

Страница 92: ...emonta em urz dzenia nale y uwa nie przeczyta poni sze informacje o bezpiecze stwie Power Cord Set Japan Important Safety Information WARNING Installation and removal of the unit must be carried out b...

Страница 93: ...elled Neutral connected directly to earth ground Imp dance la terre U S A and Canada The cord set must be UL approved and CSA certified The minimum specification for the flexible cord is No 18 AWG Typ...

Страница 94: ...fiber TX port and fiber cable ends when they are powered on WARNING This device has more than one power input Disconnect all power inputs to power off this device WARNING The installation of the Redun...

Страница 95: ...e negative terminal on the Switch is connected to the negative circuit breaker terminal of the RPS WARNING The Switch 4500 PWR supports Power over Ethernet on all front ports These ports should only b...

Страница 96: ...oit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d isolement rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct l...

Страница 97: ...s directement le port TX fibres optiques et les extr mit s des c bles fibres optiques tant qu ils sont sous tension AVERTISSEMENT Ce p riph rique comporte plusieurs entr es d alimentation D connectez...

Страница 98: ...lors du branchement du c ble au module RPS AVERTISSEMENT Assurez vous que le disjoncteur du RPS est ouvert off lors de la connexion du c ble au RPS et du c ble au connecteur du commutateur AVERTISSEME...

Страница 99: ...ebaut werden soll mu die Switch 4500 Einheit unter die schmaleren Hub Einheiten eingebaut werden VORSICHT Das Ger t mu geerdet sein VORSICHT Das Ger t mu an eine geerdete Steckdose angeschlossen werde...

Страница 100: ...Sie sollten die den eingeschaltete n bertragungs Laser niemals durch eine Vergr erungseinrichtung betrachten Schauen Sie niemals direkt auf den Lichtwellen bertragungsanschluss und die Kabelenden des...

Страница 101: ...gef hrt sind VORSICHT Beim Anschlie en des Kabels an die RPS sind die Empfehlungen des Herstellers zu beachten VORSICHT Stellen Sie sicher dass sich der Schutzschalter an der RPS beim Anschlie en des...

Страница 102: ...por UL y tener la certificaci n CSA La especificaci n m nima del cable flexible es N 18 AWG Tipo SV o SJ Tres conductores El conjunto de cables debe tener una capacidad de corriente nominal de al men...

Страница 103: ...ro conectado directamente a tierra Imp dance la terre ADVERTENCIA S lo para el Reino Unido si conecta un m dem al puerto de consola del 4500 utilice s lo un m dem que sea adecuado para la conexi n con...

Страница 104: ...tierra se realiza antes de conectar el suministro de CC del RPS ADVERTENCIA Todos los RPS deben estar homologados como salidas SELV sin toma de tierra seg n IEC 60950 1 UL 60950 1 EN 60950 1 ADVERTEN...

Страница 105: ...icazione CSA La specifica minima per il cavo flessibile N 18 AWG Tipo SV o SJ 3 conduttori Il set di cavi deve avere una capacit nominale di almeno 10 A La spina di collegamento deve essere dotata di...

Страница 106: ...ollegato direttamente a terra Imp dance la terre AVVERTENZA Solo Regno Unito Se si collega un modem alla porta Console dello 4500 utilizzare solo un modem idoneo per il collegamento con il sistema di...

Страница 107: ...sa a terra AVVERTENZA tutti gli RPS devono essere approvati come dispositivi di uscita SELV non messi a terra in conformit con le norme IEC 60950 1 UL 60950 1 EN 60950 1 AVVERTENZA queste istruzioni d...

Страница 108: ...aw przewod w musi posiada zezwolenie UL oraz certyfikat CSA Minimalna specyfikacja przewodu gi tkiego Przew d typu SV lub SJ 3 o rednicy 18 wg specyfikacji AWG Zestaw przewod w musi posiada pojemno pr...

Страница 109: ...de conexi n secundario etiquetado como neutro conectado directa mente a tierra Imp dance la terre OSTRZE ENIE Tylko Wielka Brytania Podczas pod czania modemu do portu konsoli Switch 4500 nale y stoso...

Страница 110: ...iemi aj cego Nale y upewni si e urz dzenie zosta o uziemione przed pod czeniem zasilacza pr du sta ego do zasilacza RPS OSTRZE ENIE Wszystkie zasilacze RPS musz mie certyfikat nieuzi emionego r d a za...

Страница 111: ...PC Terminal Cable connector 25 pin male female only required if screen always required required for handshake Screen DTR TxD RxD CTS Ground DSR RTS DCD Screen DCD RxD TxD DTR Ground DSR RTS CTS Shell...

Страница 112: ...7 8 6 5 1 4 1 2 3 4 5 6 7 8 20 Switch 4500 Cable connector RJ 45 female RS 232 Modem Port Cable connector 25 pin male Pin Number 10 100 1000 Ports configured as MDI 1 Transmit Data Bidirectional Data...

Страница 113: ...red as MDIX 1 Receive Data Bidirectional Data B 2 Receive Data Bidirectional Data B 3 Transmit Data Bidirectional Data A 4 Not assigned Bidirectional Data A 5 Not assigned Bidirectional Data D 6 Trans...

Страница 114: ...114 APPENDIX B PIN OUTS...

Страница 115: ...tandards EN60068 to 3Com schedule Package testing paras 2 1 2 2 2 30 and 2 32 Operational testing paras 2 1 2 2 2 30 and 2 13 Safety Agency Certifications UL 60950 EN60950 CSA 22 2 No 60950 IEC 60950...

Страница 116: ...Standards EN60068 to 3Com schedule Package testing paras 2 1 2 2 2 30 and 2 32 Operational testing paras 2 1 2 2 2 30 and 2 13 Safety Agency Certifications UL60950 EN60950 CSA 22 2 No 60950 IEC 60950...

Страница 117: ...Agency Certifications UL60950 EN60950 CSA 22 2 No 60950 IEC 60950 EMC Emissions CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A EN61000 3 2 EN61000 3 3 Im...

Страница 118: ...afety Agency Certifications UL60950 EN60950 CSA 22 2 No 60950 IEC 60950 EMC Emissions CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A EN61000 3 2 EN61000 3...

Страница 119: ...k Login IEEE 802 1x RADIUS RFC 2618 2620 Link aggregation IEEE 802 3ad Safety Requirements The RPS shall comply with the following safety standards EN60950 UL60950 CSA22 2 60950 IEC60950 EMC Emissions...

Страница 120: ...120 APPENDIX C TECHNICAL SPECIFICATIONS...

Страница 121: ...Request If you have trouble registering your product please contact 3Com Global Services for assistance Purchase Value Added Services To enhance response times or extend warranty benefits contact 3Co...

Страница 122: ...uct Support heading at http www 3com com Software Upgrades are the software releases that follow the software version included with your original product In order to access upgrades and related docume...

Страница 123: ...directory of contact information posted on the 3Com web site at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repai...

Страница 124: ...2 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 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 Guatem...

Страница 125: ...defaults 21 H hardware features 15 I installing the Switch 23 prerequisites 25 IP addressing registered 71 IP configuration 45 L LEDs 18 logging in as a default user 60 M management methods 42 prepari...

Страница 126: ...witch automatic setup 53 Switch 4500 dimensions 115 features 15 installation 23 25 power socket 20 powering up 35 rack mounting 26 size 115 weight 115 XRN Distributed Fabric 63 system specifications 1...

Страница 127: ...er Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer...

Страница 128: ......

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