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ROBLEM

OLVING

This chapter helps you to diagnose and solve problems you may have
with the operation of your Switch. There is also an explanation of IP
addressing.

The topics covered are:

■

Solving Problems Indicated by LEDs

■

Solving Hardware Problems

■

Solving Communication Problems

■

Solving Software Upgrade Problems

If you experience a problem that is not listed here, it may be included in
the support section of the SuperStack 3 Switch Management Interface
Reference Guide on the CD-ROM that accompanies your Switch.

For Technical Support information, see

Appendix D

DUA1730-0AAA04.book Page 53 Thursday, November 17, 2005 2:59 PM

Содержание 3C17304A

Страница 1: ...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 November 17 2005 2 59 PM ...

Страница 2: ...e provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for ...

Страница 3: ...rts 14 GBIC Ports 14 LEDs 15 Switch 4200 Family Rear View Detail 17 Power Socket 17 Redundant Power System Socket 17 Console Port 17 Default Settings 18 2 INSTALLING THE SWITCH Package Contents 20 Choosing a Suitable Site 20 Rack mounting 21 Placing Units On Top of Each Other 23 Stacking Units 23 The Power up Sequence 24 Powering up the Switch 4200 Family 24 Checking for Correct Operation of LEDs ...

Страница 4: ...of Managing a Switch 45 Command Line Interface Management 45 Web Interface Management 46 SNMP Management 46 Setting Up Command Line Interface Management 47 CLI Management via the Console Port 47 CLI Management over the Network 47 Setting Up Web Interface Management 48 Pre requisites 48 Web Management Over the Network 49 Setting Up SNMP Management 49 Pre requisites 50 Default Users and Passwords 50...

Страница 5: ...Pin Assignments 68 C TECHNICAL SPECIFICATIONS Switch 4226T 3C17300 71 Switch 4250T 3C17302 73 Switch 4228G 3C17304 74 D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 75 Purchase Value Added Services 75 Troubleshoot Online 76 Access Software Downloads 76 Telephone Technical Support and Repair 76 Contact Us 77 INDEX REGULATORY NOTICES DUA1730 0AAA04 book Page 5 Thursday November 17 2005 2...

Страница 6: ...DUA1730 0AAA04 book Page 6 Thursday November 17 2005 2 59 PM ...

Страница 7: ... where stated For details on the Switch 4200 26 Port 3C17300A Switch 4200 50 Port 3C17302A and Switch 4200 28 Port 3C17304A refer to the following document SuperStack 3 Switch 4200 Family Getting Started Guide part number DUA1730 0AAA03 available for download from the 3Com Web site www 3Com com The guide is intended for use by network administrators who are responsible for installing and setting u...

Страница 8: ...Syntax The word syntax means that you must evaluate the syntax provided and then supply the appropriate values for the placeholders that appear in angle brackets Example To change your password use the following syntax system password password In this example you must supply a password for password Commands The word command means that you must enter the command exactly as shown and then press Retu...

Страница 9: ...ence Guide This guide provides detailed information about the web interface and command line interface that enable you to manage the Switch It is supplied in HTML format on the CD ROM that accompanies the Switch Release Notes These notes provide information about the current software release including new features modifications and known problems There are other publications you may find useful su...

Страница 10: ... run enabled a splash screen will be displayed automatically 2 Select the Documentation section from the contents page If the online documentation is to be accessed from a local drive or server you will need to access the CD ROM contents via the root directory and copy the files from the CD ROM to a suitable directory The HTML Reference Guide is stored in the Docs reference directory on the CD ROM...

Страница 11: ...h 4200 Family Rear View Detail Default Settings This Getting Started Guide describes the following units in the Switch 4200 Family Switch 4226T 3C17300 Switch 4250T 3C17302 Switch 4228G 3C17304 For details on the Switch 26 Port 3C17300A Switch 50 Port 3C17302A and Switch 28 Port 3C17304A refer to the following document SuperStack 3 Switch 4200 Family Getting Started Guide part number DUA1730 0AAA0...

Страница 12: ...odes Store and Forward Duplex Modes Half and full duplex on all 10 100 ports Full duplex on 1000BASE T ports and full duplex on GBIC ports Flow Control In full duplex operation all ports are supported Smart Auto sensing Supported on all ports except GBIC ports which are single speed ports Smart auto sensing allows auto negotiating ports to monitor and detect a high error rate on a link or a proble...

Страница 13: ...17302 Superstack 3 Switch 4250T 10BASE T 100BASE TX RJ 45 Ports Power Self Test LED Alert LED 8 32 1 25 31 7 30 6 29 5 28 4 27 3 26 2 49 50 16 40 9 33 39 15 38 14 37 13 36 12 35 11 34 10 24 48 17 41 47 23 46 22 45 21 44 20 43 19 42 18 10 100 1000BASE T ports Unit LEDs Up Down Alert Power Self Test Unit 1 2 3 4 3C17304 Superstack 3 Switch 4228G 10BASE T 100BASE TX RJ 45 Ports Power Self Test Alert ...

Страница 14: ...two auto negotiating 10 100 1000BASE T ports configured as Auto MDIX cross over While auto negotiation is enabled these ports can automatically detect whether they need to operate in MDI or MDIX mode These ports provide 10 100 1000 Mbps full duplex connections to other Gigabit Ethernet devices Full duplex allows packets to be transmitted and received simultaneously which in effect doubles the pote...

Страница 15: ... Solving Problems Indicated by LEDs on page 54 It is not possible to determine the duplex mode from the LEDs For more detailed information refer to the SuperStack 3 Switch Management Interface Reference Guide on the CD ROM that is supplied with the Switch Table 4 LED behavior LED Color Indicates Port Status LEDs 10BASE T 100BASE TX ports Green A 100 Mbps link is present and the port is enabled Gre...

Страница 16: ...indicate a stand alone Switch Off The Switch initialization process is not complete Power Self Test LED Green The Switch is powered up and operating normally Green flashing The Switch is either downloading software or is initializing which includes running a Power On Self Test Yellow The Switch has failed its Power On Self Test Refer to Chapter 4 Solving Problems Indicated by LEDs Off The Switch i...

Страница 17: ...to connect a Switch 4200 to a SuperStack Advanced Redundant Power System RPS See Connecting a Redundant Power System on page 25 Console Port The console port allows you to connect a terminal and perform remote or local out of band management The console port uses a standard null modem cable and is set to auto baud 8 data bits no parity and 1 stop bit Power Socket Console max 19200 8 1 N Console Po...

Страница 18: ...tion Enabled Port Status Enabled Port Speed All ports are auto negotiated Duplex Mode All ports are auto negotiated Flow Control Enabled in half duplex Auto negotiated in full duplex Broadcast Storm Control Enabled Virtual LANs VLANs All ports belong to the untagged Default VLAN VLAN 1 with 802 1Q learning operational IP Multicast Filtering Filtering enabled Rapid Spanning Tree Protocol Fast Start...

Страница 19: ...must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de sécurité Avant d installer ou d enlever tout composant du Switch 4200 ou d entamer une procédure de maintenance lisez les informations relatives à la sécurité qui se trouvent dans l Appendice A de ce guide VORSICHT Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch 4200 entfernen oder dem Sw...

Страница 20: ...es are not obstructed When deciding where to position the Switch ensure that Cabling is located away from sources of electrical noise such as radios transmitters and broadband amplifiers power lines and fluorescent lighting fixtures The Switch is accessible and cables can be connected easily Water or moisture cannot enter the case of the Switch Air flow is not restricted around the Switch or throu...

Страница 21: ... on top of one another if the units are free standing Rack mounting The Switch 4200 Family are 1U high and will fit in most standard 19 inch racks CAUTION Disconnect all cables from the Switch before continuing Remove all self adhesive pads from the underside of the Switch if they have been fitted To rack mount your Switch 1 Place the Switch the right way up on a hard flat surface with the front f...

Страница 22: ...itch into the 19 inch rack and secure with suitable screws not provided Ensure that ventilation holes are not obstructed 6 Connect network cabling 7 Finally place a unit information label on the unit in an easily accessible position The unit information label shows the following The 3Com product name of the Switch The 3Com 3C number of the Switch The unique MAC address Ethernet address of the Swit...

Страница 23: ...n 14 cm 5 5 in and 100 m 328 ft can be used for stacking Figure 6 Stacking example The unit LEDs will display the unit number in the stack from 1 at the bottom to 4 at the top 3Com recommends that when you add a new unit to a stack you should first initialize it to factory default settings Any Switch 4200 unit can be added to the stack including the Switch 26 Port 3C17300A the Switch 50 Port 3C173...

Страница 24: ...e remaining stack to renumber Removing a Switch 4200 Family unit from the middle of an existing stack will cause the other Switches in the stack to divide into two stacks Units below the unit removed will not renumber units above will renumber Removing a Switch 4200 Family unit from the top of an existing stack will have no effect on the remaining stack If you are having problems refer to Solving ...

Страница 25: ...uires one Type 2A Power Module part number 3C16074A For full redundancy the unit requires two type 2A Power Modules combined using a Type 2 Y Cable part number 3C16078 CAUTION The Switch has no ON OFF switch the only method of connecting or disconnecting mains power is by connecting or disconnecting the power cord CAUTION The Switch can only use a SuperStack Advanced Redundant Power System output ...

Страница 26: ... Discharge ESD may damage the Switch s port You can create a grounded port by connecting all wires at one end of a UTP cable to an earth ground point and the other end to a female RJ 45 connector located for example on a Switch rack or patch panel The RJ 45 connector is now a grounded port Table 7 Cables required to connect the Switch 4200 Family to other devices if auto negotiation is disabled Ch...

Страница 27: ...CGBIC91 1000BASE LX GBIC 3CGBIC92 1000BASE T GBIC 3CGBIC93 1000BASE LH70 GBIC 3CGBIC97 These are correct at the time of publication To access the latest list of approved GBIC transceivers for the Switch on the 3Com Corporation World Wide Web site enter this URL into your internet browser http www 3com com The URL is case sensitive Inserting a GBIC Transceiver To be recognised as valid the GBIC tra...

Страница 28: ...non 3Com GBICs If the GBIC transceiver is invalid it will not be recognised by the Switch Use the following sequence of steps to activate the GBIC ports 1 To insert one of the transceivers into a GBIC expansion port on the Switch a Orient the transceiver so that the fiber optic duplex subscriber connector SC is toward you as shown in Figure 7 b Gently slide the transceiver into the GBIC port until...

Страница 29: ...he duplex SC connector on the transceiver 4 Connect the other end of the cable to a device fitted with an appropriate Gigabit Ethernet connection 5 Check the LEDs on the front of the Switch to ensure that it is operating correctly Refer to LEDs on page 15 for more information GBIC Ports GBIC Transceiver erstack 3 Switch 4228G DUA1730 0AAA04 book Page 29 Thursday November 17 2005 2 59 PM ...

Страница 30: ...30 CHAPTER 2 INSTALLING THE SWITCH DUA1730 0AAA04 book Page 30 Thursday November 17 2005 2 59 PM ...

Страница 31: ...to improve the efficiency of the Switch and therefore the overall 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 Setting Up Overview Manually Configuring IP Information Viewing Automatically Configured IP Information Methods of Managing a Switch Setti...

Страница 32: ...on default users and changing default passwords see Default Users and Passwords on page 50 Plug and Play Setup Initial IP Information Setup Feature Management Power up the Switch IP information is automatically configured Page 31 Do you want to configure the IP information manually No Connect to a front panel port and use the Web Interface or Command Line Interface Page 33 How do you want to conne...

Страница 33: ...r BootP server and eliminates the risk of the IP address changing If you wish to manually enter IP information for your Switch work through the Manually Configuring IP Information section on page 35 Automatic IP Configuration By default the Switch tries to configure itself with IP information without requesting user intervention It tries to obtain an IP address from a DHCP or BootP server on the n...

Страница 34: ...your network uses DHCP or BootP to allocate IP information or flexibility is needed If the Switch is re deployed onto a different subnet it will automatically reconfigure itself with an appropriate IP address instead of you having to manually reconfigure the Switch If you use the automatic IP configuration method you need to discover the automatically allocated IP information before you can begin ...

Страница 35: ... set up your Switch manually you can make a connection to a front panel port You must do this whilst the Switch is offline that is before you connect the Switch to a network The procedure described in this section assumes the unit has been powered up in standalone mode and has the default IP address of 169 254 100 100 Pre requisites A workstation running Windows 2000 Windows XP or Windows Server 2...

Страница 36: ...ormation You need to change the IP address and subnet mask of the workstation that you have connected to the Switch Make a note of the existing settings so you can return to them later Change the workstation to the following settings IP address 169 254 100 99 Subnet mask 255 255 0 0 Setting Up the Switch with IP Information You are now ready to manually set up the Switch with IP information You ca...

Страница 37: ...Telnet or Windows HyperTerminal using TCP IP may not work correctly on some platforms unless it has been configured to send line feeds with carriage returns To set this for telnet enter set crlf when in command mode To set this for HyperTerminal click on the Settings tab in the Properties screen click on ASCII Setup and ensure that Send line ends with line feeds is checked within the ASCII Sending...

Страница 38: ...you to set up your chosen management method See Methods of Managing a Switch on page 45 Connecting to the Console Port To set up your Switch manually you can alternatively make a connection to the console port this example describes a local connection to the console port rather than a remote one via a modem You can do this whilst the Switch is offline that is before you connect the Switch to a net...

Страница 39: ...Appendix B on page 67 You need to have the following so that you can manually set up the Switch with IP information IP address subnet mask default gateway Connecting the Workstation to the Switch 1 Connect the workstation to the console port using a standard null modem cable as shown in Figure 11 Figure 11 Connecting a workstation to the Switch via the console port To connect the cable a Attach th...

Страница 40: ...h with IP Information You are now ready to manually set up the Switch with IP information using the command line interface 1 The command line interface login sequence begins as soon as the Switch detects a connection to its console port If the login prompt does not begin immediately press Return a few times until it starts 2 At the login and password prompts enter admin as your user name and press...

Страница 41: ...our Switch is now complete and the Switch is ready for you to set up your chosen management method See Methods of Managing a Switch on page 45 If you do not intend to use the command line interface via the console port to manage the Switch you can disconnect the serial cable and close the terminal emulator software Menu options 3Com Superstack 3 Switch 4200 bridge Administer bridge wide parameters...

Страница 42: ...ervisor and run the Auto discovery wizard 3Com Network Supervisor will auto discover the new Switch and display the IP information that has been automatically allocated to the Switch Most DHCP and BootP servers allow static IP addresses to be configured so that you know what IP address the Switch will be given Refer to the documentation that accompanies your DHCP or BootP server If your network do...

Страница 43: ...tation to the Switch via the console port To connect the cable a Attach the female connector on the cable to the male connector on the console port of the Switch b Tighten the retaining screws on the cable to prevent it from being loosened c Connect the other end of the cable to one of the serial ports also known as a COM port on your workstation 2 Open your terminal emulation software and configu...

Страница 44: ...witch detects a connection to its console port If the login prompt does not begin immediately press Return a few times until it starts 3 At the login and password prompts enter admin as your user name and press Return at the password prompt If you have logged on correctly the top level menu of the command line interface is displayed as shown in the example in Figure 14 Figure 14 Example top level ...

Страница 45: ... can disconnect the serial cable and close the terminal emulator software Methods of Managing a Switch Once you have completed the initial set up of your Switch you can decide how you wish to manage the Switch You can use one of the following methods Command line interface management Web interface management SNMP management Command Line Interface Management Each Switch has a command line interface...

Страница 46: ...r an IP network see Figure 17 Figure 17 Web interface management over the network Refer to Setting Up Web Interface Management on page 48 SNMP Management You can manage a Switch using any network management workstation running the Simple Network Management Protocol SNMP as shown in Figure 18 For example you can use the 3Com Network Supervisor software that is provided on the CD ROM that accompanie...

Страница 47: ... console port CLI Management over the Network To manage a Switch using the command line interface over a network using Telnet 1 Ensure you have already set up the Switch with IP information as described in Setting Up Overview on page 32 2 Check that you have the IP protocol correctly installed on your management workstation You can check this by trying to browse the World Wide Web If you can brows...

Страница 48: ...correctly the top level menu of the command line interface for the Switch you wish to manage is displayed as shown in Figure 12 on page 41 Setting Up Web Interface Management This section describes how you can set up web interface management over the network Pre requisites Ensure you have already set up the Switch with IP information as described in Setting Up Overview on page 32 Ensure that the S...

Страница 49: ...nd 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 password prompts enter admin as your user name and press Return at the password prompt or the password of your choice if you have already modified the default passwords 5 Click on the Device View button to display the web management options Se...

Страница 50: ...t password and level of access These default users are listed in Table 9 CAUTION To protect your Switch from unauthorized access you must change all three default passwords as soon as possible even if you do not intend to actively manage your Switch Table 9 Default Users Use the admin default user name no password to login and carry out initial Switch setup Changing Default Passwords You can chang...

Страница 51: ... User Modify operation on the web interface For more information about default users and passwords refer to the Superstack 3 Switch Management Interface Reference Guide on the Switch CD ROM DUA1730 0AAA04 book Page 51 Thursday November 17 2005 2 59 PM ...

Страница 52: ...52 CHAPTER 3 SETTING UP FOR MANAGEMENT DUA1730 0AAA04 book Page 52 Thursday November 17 2005 2 59 PM ...

Страница 53: ...ed by LEDs Solving Hardware Problems Solving Communication Problems Solving Software Upgrade Problems If you experience a problem that is not listed here it may be included in the support section of the SuperStack 3 Switch Management Interface Reference Guide on the CD ROM that accompanies your Switch For Technical Support information see Appendix D DUA1730 0AAA04 book Page 53 Thursday November 17...

Страница 54: ... LED lights yellow The Switch unit has failed its Power On Self Test POST because of an internal problem If a port has failed it s POST it s LED will flash green yellow alternately to indicate that the port is disabled Contact your supplier for advice A link is connected and yet the Status LED for the port does not light Check that The Switch and the device at the other end of the link or cable ar...

Страница 55: ... To correct this problem completely remove the GBIC and then reinsert it If the problem persists contact 3Com Technical Support Solving Communication Problems If you experience communication problems with the Switch ensure that The Switch IP address has been configured as described in Chapter 3 If the Switch is separated from your management application by a router ensure that the default gateway ...

Страница 56: ...for supplying registered IP addresses The following contact information is correct at time of publication World Wide Web site http www internic net If your IP network is internal to your organization only that is you do not access the Internet you may use any arbitrary IP address as long as it is not being used by another device on your network 3Com suggests you use addresses in the series 192 160...

Страница 57: ...e system control softwareUpgrade command in the command line interface For details on these options refer to the Management Interface Reference Guide supplied in HTML format on the CD ROM that accompanies your Switch If you have problems with your software upgrade refer to the Problem Solving section in the Management Interface Reference Guide DUA1730 0AAA04 book Page 57 Thursday November 17 2005 ...

Страница 58: ...58 CHAPTER 4 PROBLEM SOLVING DUA1730 0AAA04 book Page 58 Thursday November 17 2005 2 59 PM ...

Страница 59: ... Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil VORSICHT Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen müssen Alle Anweisungen...

Страница 60: ...20 IEC320 appliance inlet 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 Type SV or SJ 3 conductor The cord set must have a rated current capacity of at least 10A The attachment plug must be an earth grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration United Kingdom only The supply plug mus...

Страница 61: ...ransformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground Impédance à la terre WARNING U K only If connecting a modem to the console port of the Switch 4200 Series only use a modem which is suitable for connection to the telecommunications system WARNING RJ 45 Ports These are shielded RJ 45 data sockets They cannot be used as standard traditional ...

Страница 62: ...ns L information de Sécurité Importante AVERTISSEMENT L installation et la dépose de ce groupe doivent être confiés à un personnel qualifié AVERTISSEMENT Si vous entassez l unité Switch avec les unités SuperStack 3 Hub l unité Switch 4200 doit être installée en dessous des unités Hub plus étroites AVERTISSEMENT Vous devez mettre l appareil à la terre à la masse ce groupe AVERTISSEMENT Brancher l u...

Страница 63: ...terre Si vos alimentations sont du type impédance à la terre ce groupe doit être alimenté par une tension de 230 V 2 P T par le biais d un transformateur d isolement à rapport 1 1 avec un point secondaire de Etats Unis et Canada Le cordon doit avoir reçu l homologation des UL et un certificat de la CSA Le cordon souple doit respecter à titre minimum les spécifications suivantes calibre 18 AWG type...

Страница 64: ...iques sécurité sur le plan optique Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port à fibres optiques et les embouts de câbles à fibres optiques tant qu ils sont sous tension AVERTISSEMENT L utilisation de contrôles de réglages de performances ou de procédures autres que ceux qui sont spécifiés au sein du présent document risquent d entraîner l exposit...

Страница 65: ...om Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift HAR oder BASEC tragen Der Netzstecker muß die Norm CEE 7 7 erfüllen SCHUKO VORSICHT Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerät angeschlossenen Geräte unter SELV Bedingungen betrieben werden VORSICHT RJ 45 Porte Diese...

Страница 66: ... ist Niemals direkt auf die Faseransnchlüsse und auf die Faserkabelenden schauen während diese eingeschaltet sind VORSICHT Die Verwendung von Steuerelementen oder die Anpassung von Leistungen und Verfahren in anderer als der hierin genannten Weise kann zu gefährlichen Laseremissionen führen DUA1730 0AAA04 book Page 66 Thursday November 17 2005 2 59 PM ...

Страница 67: ... 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 4 3 2 8 5 6 7 1 Shell 1 2 3 4 5 6 7 8 Switch 4200 Cable connector 9 pin female PC AT Serial Port Cable connector 9 pin female only required if screen always required always required required for handshake required for handshake Re...

Страница 68: ...2 3 4 5 6 7 8 20 Switch 4200 Cable connector 9 pin 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 Da...

Страница 69: ...al 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 Transmit Data Bidirectional Data D 7 Not assigned Bidirectional Data C 8 Not assigned Bidirectional Data C DUA1730 0AAA04 book Page 69 Thursday November 17 2005 2 59 PM ...

Страница 70: ...70 APPENDIX B PIN OUTS DUA1730 0AAA04 book Page 70 Thursday November 17 2005 2 59 PM ...

Страница 71: ...e 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 EMC Emissions CISPRR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 40 watts maximum 136 Btu h maximum ...

Страница 72: ...MON MIB II RFC 2021 Remote Monitoring MIB RFC 1757 MAU MIB RFC 2239 Terminal Emulation Telnet RFC 854 Protocols Used for Administration UDP RFC 768 IP RFC 791 ICMP RFC 792 TCP RFC 793 ARP RFC 826 TFTP RFC 783 DHCP RFC 2131 RFC 2132 RFC 1534 BOOTP RFC 951 RFC 1497 DUA1730 0AAA04 book Page 72 Thursday November 17 2005 2 59 PM ...

Страница 73: ...ons CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 60 watts maximum 205 Btu h maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage 90 240 VAC Current Rating 2 3 A amps maximum Standards Supported SNMP SNMP protocol RFC 1157 MIB II RFC 1213 Bridge M...

Страница 74: ...C Emissions CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 60 watts maximum 205 Btu h maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage 90 240 VAC Current Rating 2 3 A amps maximum Standards Supported SNMP SNMP protocol RFC 1157 MIB II RFC 1213 ...

Страница 75: ...egistering your product please contact 3Com Global Services for assistance Purchase Value Added Services To enhance response times or extend warranty benefits contact 3Com or your authorized 3Com reseller Value added services like 3Com ExpressSM and GuardianSM can include 24x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced engineers are ...

Страница 76: ...w 3com com Software Upgrades are the feature releases that follow the software version included with your original product In order to access upgrades and related documentation you must first purchase a service contract from 3Com or your reseller Telephone Technical Support and Repair To enable telephone support and other service benefits you must first register your product at http eSupport 3com ...

Страница 77: ...n 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 Repair Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan 1 800 678 515 800 933 486 61 2 9424 5179 or 000800 650 1111 001 803 61009 00531 616 439 or 03 3507 5984 1800 801 777 0800 446 398 61 2 9937 5083 Philippines ...

Страница 78: ...800 998 2112 AT T 800 998 2112 57 1 592 5000 800 011 3266 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 Guadalupe Guatemala Guyana Haiti Honduras Jamaica Mexico Local Number Mexico Mexico Monserrat Nicaragua Panama Paraguay Peru Puerto Rico Saba Anquila St Kitts Neives St Lucia St Vincent Suriname Tri...

Страница 79: ...Contact Us 79 US and Canada Telephone Technical Support and Repair 1 800 876 3266 Country Telephone Number Country Telephone Number DUA1730 0AAA04 book Page 79 Thursday November 17 2005 2 59 PM ...

Страница 80: ...80 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT DUA1730 0AAA04 book Page 80 Thursday November 17 2005 2 59 PM ...

Страница 81: ... E Ethernet address of the Switch 22 F factory defaults 18 G GBIC ports 14 transceivers 27 GBIC ports 14 H hardware features 12 I installing the Switch 19 prerequisites 20 IP addressing registered 56 IP configuration 33 L LEDs 15 logging in as a default user 50 M MAC address of the Switch 22 management methods 45 preparing for 34 setting up 31 32 manual setup console port 38 front panel port 35 MD...

Страница 82: ...agement Protocol See SNMP SNMP 49 SNMP management 46 setting up 49 socket power 17 RPS 17 specifications system 71 Stacking units 23 straight through configuration 25 Switch automatic setup 42 Switch 4200 3C number 22 console port 17 dimensions 71 Ethernet address 22 features 12 installation 19 20 MAC address 22 power socket 17 powering up 24 product name 22 rack mounting 21 RPS socket 17 serial n...

Страница 83: ...m 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 or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems ...

Страница 84: ...DUA1730 0AAA04 book Page 84 Thursday November 17 2005 2 59 PM ...

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