3Com SWITCH 4050 Скачать руководство пользователя страница 20

Страница: 20 / 86

HAPTER

1: I

NTRODUCING

THE

WITCH

4050

AND

4060

Default Settings

Table 5

shows the default settings for the 3Com Switch 4050 and 4060.

If you initialize one of the Switch units, it is returned to these defaults.

Table 5

Default Settings

Feature

3Com Switch 4050/4060

Port Status

Enabled

Port Speed

Auto-negotiated

Duplex Mode

Auto-negotiated

Flow Control

Auto-negotiated

Broadcast Storm Control

Enabled

High threshold: 3000 broadcast frames per
second — Notify and filter
Low threshold: 1500 broadcast frames per
second — Notify and unfilter

Virtual LANs (VLANs)

All ports belong to the untagged Default VLAN
(VLAN 1)

Multicast Filtering

IGMP filtering enabled

Rapid Spanning Tree Protocol

Enabled

Link Aggregation Control
Protocol (LACP)

Enabled

Spanning Tree Protocol

Enabled

Smart Auto-sensing

Enabled

IP Address

169.254.100.100

* This default IP address is used if the unit is operating in standalone mode, and/or no other

Switches on the network have this IP address. If this default IP address is already in use then the
Switch detects this and configures itself with an IP address in the range 169.254.1.0 to
169.254.254.255.

Subnet Mask

255.255.0.0

Содержание SWITCH 4050

Страница 1: ...http www 3com com Part No DUA1770 9AAA03 Published September 2002 3Com Switch 4050 and 4060 Getting Started Guide 3C17708 3C17709 ...

Страница 2: ...ovided on any licensed program or documentation contained in or delivered to you in conjunction 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 and the 3Com logo are registered trademarks of 3Com Corporation IEEE and 802 are registered trademarks of the Institute of Electrical an...

Страница 3: ...4060 Front View Detail 14 1000BASE SX Ports 15 10BASE T 100BASE TX 1000BASE T Ports 15 GBIC Ports 15 Console Port 15 LEDs 16 3Com Switch 4050 and 4060 Rear View Detail 18 Expansion Module Slot 18 Replaceable Power Supplies PSUs 18 Power Socket 19 Replaceable Fan Trays 19 Default Settings 20 2 INSTALLING THE SWITCH Package Contents 22 Choosing a Suitable Site 22 Rack mounting 23 Placing Units On To...

Страница 4: ...ont Panel Port 35 Connecting to the Console Port 38 Viewing Automatically Configured IP Information 41 Using 3Com Network Supervisor 41 Connecting to the Console Port 42 Methods of Managing a Switch 44 Command Line Interface Management 44 Web Interface Management 45 SNMP Management 45 Setting Up Command Line Interface Management 46 CLI Management via the Console Port 46 CLI Management over the Net...

Страница 5: ...informationen 68 B PIN OUTS Null Modem Cable 71 PC AT Serial Cable 71 Modem Cable 72 RJ 45 Pin Assignments 72 C TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT Online Technical Services 77 World Wide Web Site 77 3Com Knowledgebase Web Services 77 3Com FTP Site 78 Support from Your Network Supplier 78 Support from 3Com 79 Email Support 79 Telephone Support 79 Returning Products for Repair 81 INDEX REG...

Страница 6: ......

Страница 7: ...an online guide which gives you detailed information on how to use the web interface and command line interface to manage the Switch 3Com Network Supervisor a powerful network management tool for small to medium enterprise networks A number of other useful applications Other documentation relating to the Switch 4050 and 4060 If the information in the release notes that are shipped with your produc...

Страница 8: ...mple 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 Return or Enter Commands appear in bold Example To display port information enter the following command bridge port detail The words enter and type When you see the word...

Страница 9: ...twork It is supplied in PDF format on the CD ROM that accompanies the Switch Management Interface Reference 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 There are other publications you may find useful Documentation accompanying the Expan...

Страница 10: ...F Implementation Guide is stored in the Docs implementation directory of the CD ROM 3Com recommends that you copy the Docs referenceguide directory as a whole to maintain the structure of the files Product Registration You can register your Switch on the 3Com Web site to receive up to date information on your product http support 3com com registration frontpg pl Documentation Comments Your suggest...

Страница 11: ...n about the 3Com Switch 4050 and 4060 and how it can be used in your network It covers summary information about the hardware and the following topics About the 3Com Switch 4050 and 4060 3Com Switch 4050 and 4060 Front View Detail 3Com Switch 4050 and 4060 Rear View Detail Default Settings ...

Страница 12: ...any combination of two Switches from the 3Com Switch 4050 4060 range or the SuperStack 4900 Series to create an XRN Distributed Fabric This allows you to create a highly resilient core around which you can build your network For more information about interconnecting Switches see Creating an XRN Distributed Fabric on page 24 For more information about 3Com XRN Technology and how to use it in your ...

Страница 13: ...l ports Smart auto sensing Supported on all 10BASE T 100BASE TX 1000BASE T ports Not supported on 1000BASE SX and GBIC ports Traffic Prioritization Supported IEEE Std 802 1D 1998 Edition Four traffic queues per port Fast Ethernet and Gigabit Ethernet Ports Auto negotiating 10BASE T 100BASE TX 1000BASE T 1000BASE SX and GBIC ports Mounting 19 inch rack or stand alone mounting Layer 3 Switching Supp...

Страница 14: ... LEDs Fan LEDs Unit LEDs Module Status LEDs Temperature LED Yellow 10 100Mbps Green 1000Mbps On enabled link OK Flashing disabled P Packet S Status GBIC Ports 1000BASE SX LEDs Console Port Front Fan Tray behind door 1000BASE SX Ports 10BASE T 100BASE TX 1000BASE T Ports GBIC LEDs 10BASE T 100BASE TX 1000BASE T LEDs 10 100 1000 P S 13 14 15 16 17 18 13 14 15 16 17 18 10BASE T 100BASE TX 1000BASE T ...

Страница 15: ... Mbps link as auto negotiation is mandatory in the 1000 Mbps standard If auto negotiation is disabled Auto MDIX cannot function and the ports are fixed as MDIX cross over mode If auto negotiation is disabled on a 1000 Mbps port the speed will drop to the highest available speed By default this is 100 Mbps GBIC Ports The 6 GBIC ports support fiber Gigabit Ethernet short wave SX long wave LX and lon...

Страница 16: ...low flashing A low speed 10 100 Mbps link is present but the port is disabled Yellow flashing fast Port has failed self test and has automatically been disabled Off No link is present Module Status LEDs Green The Module is installed and supported The Link Status has been determined for a single port Module Yellow The Module is installed and supported The Module has multi ports or there is no link ...

Страница 17: ... a fault with the Power Supply unit Layer 3 LED Green The Switch software supports Layer 3 Off The Switch software does not support Layer 3 PSU LEDs Front of Switch Green PSU fitted and enabled Red PSU fitted and not operational Red flashing PSU has shut down due to over heating Off No PSU fitted PSU LED PSU Module Green The PSU module is installed and is supplying DC power to the Switch Off The P...

Страница 18: ...stalled ensure the blanking plate is fitted by tightening all screws with a suitable tool Replaceable Power Supplies PSUs The 3Com Switch 4050 and 4060 has a bay for two internal power supplies Contact your supplier for further information For information on installation and removal please refer to the documentation that accompanies the replacement PSU The 3Com Switch 4050 and 4060 support the 3Co...

Страница 19: ...ntact your supplier for further information For information on installation please refer to the documentation that accompanies your fan tray The 3Com Switch 4050 and 4060 support the 3Com Fan Tray 3C17717 WARNING A fan tray can be temporarily removed and replaced while the system is running without impacting operations The system must not be left with either fan tray removed for more than two minu...

Страница 20: ...r Low threshold 1500 broadcast frames per second Notify and unfilter Virtual LANs VLANs All ports belong to the untagged Default VLAN VLAN 1 Multicast Filtering IGMP filtering enabled Rapid Spanning Tree Protocol Enabled Link Aggregation Control Protocol LACP Enabled Spanning Tree Protocol Enabled Smart Auto sensing Enabled IP Address 169 254 100 100 This default IP address is used if the unit is ...

Страница 21: ...tenance procedures you 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 3Com Switch 4050 et 4060 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 d...

Страница 22: ...ormance high speed fans are used to provide ventilation These fans have a high audible output 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 ...

Страница 23: ... Rack mounting The Switch 4050 and 4060 are 2U 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 CAUTION If you use a shelf or support ensure that it will not obstruct the air flow through the side panels of the Switch To rack mount your Switch 1 Pl...

Страница 24: ... standing up to four units can be placed one on top of the other If you are mixing a variety of 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 you must use the self adhesive rubber pads supplied Apply the pads to the underside of each Switch sticking one in the marked area at each corner Place the Switch units on top of ...

Страница 25: ...ect Cables can be used to connect two Interconnect Modules It is not possible to interconnect the Switch 4900 Series and Switch 4050 4060 units with any other 3Com device 3Com strongly recommends that you upgrade all Switches to be interconnected to the latest software agent 3Com recommends that you initialize a Switch unit that has previously been used elsewhere in your network before you interco...

Страница 26: ...Com Switch 4050 and 4060 powered up and ready for operation Powering up the 3Com Switch 4050 and 4060 Use the following sequence of steps to power up the Switch 1 Plug the power cord into the power socket at the rear of the Switch 2 Plug the other end of the power cord into your power outlet The Switch powers up and runs through its Power On Self Test POST which takes approximately 10 seconds Repe...

Страница 27: ...tion to another MDIX port you need a cross over cable Many ports on workstations and servers are configured as MDI straight through If you want to make a connection to an MDI port you need to use a standard straight through cable See Table 7 3Com recommends that you use at least Category 5 twisted pair cable the maximum segment length for this type of cable is 100 m 328 ft Table 7 Cables required ...

Страница 28: ...cations refer to the Implementation Guide that accompanies your Switch If you wish to connect a 1000BASE SX MT RJ port to a fiber port with a different type of connector for example SC or ST please contact your network supplier for a suitable patch cable GBIC Operation The following sections describes how to insert a GBIC transceiver into a GBIC port GBIC transceivers are hot insertable and hot sw...

Страница 29: ... mode fiber optic cable or to multimode 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 multimode fiber using a conditioned launch cable Fiber SC connector Type 4 GBIC with internal EEPROM fitted If the GBIC transceiver is faulty it will not operate within the Switch See Solving Hardw...

Страница 30: ...twork using a duplex SC connector Attach a male duplex SC connector on the network cable into the 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 16 for more information If you wish to remove the tr...

Страница 31: ...naging the Switch can help you 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 Met...

Страница 32: ... actively manage your Switch For more information on default Plug and Play Setup Initial IP Information Setup Feature Management Power Up the Switch IP Information is automatically configured See page 33 Do you want to manually configure the IP information Connect to a front panel port and use the Web Interface or Command Line Interface See page 35 How do you want to manage your Switch See page 44...

Страница 33: ...ends that you configure the Switch IP information manually This makes management simpler and more reliable as it is not dependent on a DHCP or 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 co...

Страница 34: ...M that accompanies your Switch or on the 3Com Web site You should use the automatic IP configuration method if 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 automati...

Страница 35: ...and line interface CLI Connecting to a Front Panel Port To 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 works...

Страница 36: ...ing the Workstation with IP Information 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 Sw...

Страница 37: ...e information entered The initial set up of your 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 44 Using Command Line Interface via Telnet 1 To start a Telnet session to the unit click Start in Microsoft Windows 95 98 2000 NT a Click Run b In the dialogue box that appears type the default IP address of the uni...

Страница 38: ...mation change passwords and then given the option to carry out advanced configuration The initial set up of your 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 44 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 l...

Страница 39: ...o the Switch 1 Connect the workstation to the console port using a standard null modem cable as shown in Figure 10 Figure 10 Connecting a workstation 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 oth...

Страница 40: ...immediately press Return a few times until it starts 2 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 11 Figure 11 Example top level command line interface menu 3 At the Select menu option prompt you can either ente...

Страница 41: ...itch You can discover the IP information in two ways Using 3Com Network Supervisor This application will auto discover the Switch and display the automatically allocated IP information assigned to the Switch Connecting to the Console Port Connect a workstation using a console cable to the console port of the Switch You can then view the IP information automatically assigned to the Switch using the...

Страница 42: ... you to communicate with the Switch via the console port directly or through a modem Documentation supplied with the terminal emulation software A suitable cable A standard null modem cable if you are connecting directly to the console port or A standard modem cable if you are connecting to the console port using a modem You can find pin out diagrams for both cables in Appendix B on page 71 A Cate...

Страница 43: ...tch to the network using an Ethernet cable As soon as a network connection is made the Switch begins the automatic IP configuration process The automatic IP configuration process usually completes within one minute If there is no response from a DHCP server within 30 seconds the Auto IP configuration mechanism attempts to allocate the default IP address 169 254 100 100 If this address is not avail...

Страница 44: ...Switch on page 44 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 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 manageme...

Страница 45: ...ou to manage the Switch using a Web browser remotely over an IP network see Figure 16 Figure 16 Web interface management over the network Refer to Setting Up Web Interface Management on page 47 SNMP Management You can manage a Switch using any network management workstation running the Simple Network Management Protocol SNMP as shown in Figure 17 For example you can use the 3Com Network Supervisor...

Страница 46: ...continue being managed and or configured through the CLI via its 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 ch...

Страница 47: ...arts 6 If you have logged on correctly the top level menu of the command line interface for the Switch you wish to manage is displayed as shown in Figure 11 on page 40 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...

Страница 48: ...nage a Switch using the web interface over an IP network 1 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 browse the IP protocol is installed 2 Check you can communicate with the Switch by entering a ping command at the DOS prompt in the following format c ping xxx xxx xxx xxx where xxx xxx...

Страница 49: ... SNMP network management application software To manage your Switch using an SNMP network management application you need to specify SNMP community strings for the users defined on the Switch You can do this using the command line interface system management snmp community command refer to the command line interface section of the Management Interface Reference Guide for more information Default U...

Страница 50: ...Modify operation on the web interface For more information about default users and passwords refer to the Management Interface Reference Guide on the Switch CD ROM User Name Default Password Access Level monitor monitor monitor the user can view all manageable parameters except special security features but cannot change any manageable parameters manager manager manager the user can access and cha...

Страница 51: ...blems 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 Switch Management Interface Reference Guide on the CD ROM that accompanies your Switch To ensure this product provides optimum performance high speed fans are used to provide ventilation These fans have a high audible output For...

Страница 52: ...elf Test POST because of an internal problem The fault type will be indicated on the unit LEDs Contact your supplier for advice or A port has failed and has been automatically disabled You can verify this by checking that the Port Status LED is quickly flashing Yellow If a port fails the Switch passes its Power on Self Test and continues to operate normally A Port Status LED is quickly flashing ye...

Страница 53: ...led and have stopped or lost speed See Solving Hardware Problems on page 54 for more advice A link is connected and yet the Port Status LED for the port does not light Check that The Switch and the device at the other end of the link or cable are connected securely The devices at both ends of the link are powered up The quality of cable is satisfactory Auto negotiation settings are the same at bot...

Страница 54: ...ail Notification If configured you will receive notification of the fan failure via email SMS Short Message Service or pager RMON Trap If configured an RMON trap is generated and sent to the management workstation Command Line Interface An indication of a general hardware failure is provided through the Top level menu displayed when logging on to the CLI For more detailed information about the fai...

Страница 55: ...replaced while the system is running without impacting operations The system must not be left with either fan tray removed for more than two minutes or damage to the product may be caused 5 Replace the fan tray If a further fail trap is received install a replacement identical fan tray 6 If a fan fail trap is still received return the unit WARNING Care must be taken when removing the fan tray as t...

Страница 56: ...ay removed for more than two minutes or damage to the product may be caused 2 Check that the air vents are not obstructed 3 Replace the fan tray If a further fail trap is received install a replacement identical fan tray 4 If a fan fail trap is still received return the unit WARNING Care must be taken when removing the fan tray as the fan blades may continue to spin for a short time after removal ...

Страница 57: ...t the GBIC does not meet the minimum requirements for the Switch and has disabled the port To correct this problem completely remove the GBIC and replace it with a 3Com approved GBIC See Approved GBIC Transceivers on page 28 Error message indicating that the GBIC transceiver is faulty To correct this problem completely remove the GBIC and then reinsert it Alternatively insert another identical GBI...

Страница 58: ...s 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 the device resides The second part 8 in the example identifies the device within the network The natural subnet mask for this example is 255 255 255 0 If your network has a connection to the external IP network ...

Страница 59: ... part of a group of IP addresses that have been set aside specially for use in house only Solving Software Upgrade Problems You can upgrade the management software of the Switch by using the System Control Software Upgrade operation in the Web Interface or the system control softwareUpgrade command in the command line interface For details on these options refer to the Management Interface Referen...

Страница 60: ...60 CHAPTER 4 PROBLEM SOLVING ...

Страница 61: ...tall or remove the unit AVERTISSEMENT 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 Vorsicht enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit...

Страница 62: ...tion for mating with an EN60320 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 Kin...

Страница 63: ... 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 3Com Switch 4050 and 4060 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 telephone sockets or to connect ...

Страница 64: ...n installed WARNING The system must not be left without a power supply or a blanking plate in either of the two slots except during replacement of the power supplies Tighten all screws with a suitable screwdriver WARNING Care must be taken when removing a PSU as it may be hot The replacement of power supplies should be completed within two minutes to avoid normal cooling being disturbed WARNING A ...

Страница 65: ...e murale doit respecter une configuration qui permet un branchement sur une entrée d appareil EN60320 CEI 320 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 SV ou SJ à 3 conducteurs Le cordon doit être en mesure d acheminer un courant nominal d au moins ...

Страница 66: ...connexion portant l appellation Neutre et avec raccordement direct à la terre masse AVERTISSEMENT 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 pour la connection de l unité à un réseau téléphonique central privé ou public Raccorder seulement connecteurs de données RJ 45 systèmes de résea...

Страница 67: ...un tournevis approprié AVERTISSEMENT Soyez prudent en démontant les blocs d alimentation ils sont peut être chauds Le remplacement des blocs d alimentation doit être terminé en moins de deux minutes pour éviter de perturber le refroidissement normal AVERTISSEMENT Avant d installer le éventez le porteur lisez les informations relatives à la sécurité qui se trouvent dans le guide d utilisation 3Com ...

Страница 68: ...em er verwendet werden soll VORSICHT Der Gerätestecker der Anschluß an das Gerät nicht der Wandsteckdosenstecker muß eine passende Konfiguration für einen Geräteeingang gemäß EN60320 IEC320 haben VORSICHT Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden V...

Страница 69: ...Optische Sicherheit Niemals ein Übertragungslaser betrachten während dieses eingeschaltet 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 VORSICHT Der Switch...

Страница 70: ...steinbrecherfan lesen Sie die Sicherheitsanweisungen die im Handbuch aufgefuehrt sind 3Com Switch 4050 und 4060 VORSICHT Ein Lüfterträger kann vorübergehend ausgebaut und ersetzt werden während das System läuft ohne dass dabei der normale Betrieb beeinträchtigt wird Keiner der Lüfterträger darf länger als zwei Minuten aus dem System entfernt werden da dies zu einer Beschädigung des Geräts führen k...

Страница 71: ...B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin ...

Страница 72: ...10 Pin assignments 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 ...

Страница 73: ...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 Transmit Data Bidirectional Data D 7 Not assigned Bidirectional Data C 8 Not assigned Bidirectional Data C ...

Страница 74: ...74 APPENDIX B PIN OUTS ...

Страница 75: ... 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 IEC825 1 EN60825 1 EMC Emissions CISPRR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A AS NZS 3548 Class A CNS 13438 Class A EN61000 3 2 Immunity EN 55024 Power Consumption 210 wa...

Страница 76: ...ON MIB II RFC 2021 Remote Monitoring MIB RFC 1757 MAU MIB RFC 2239 Ethernet IEEE 802 3 2000 ISO 8802 3 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 IGMP RFC 1112 2236 RADIUS RFC 2865 1321 2869 RMON RFC 2819 ...

Страница 77: ...ormation on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and software as well as support options that range from technical education to maintenance and professional services 3Com Knowledgebase Web Services The 3Com Knowledgebase is a database of technic...

Страница 78: ...om Your Network Supplier If you require additional assistance contact your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Product mod...

Страница 79: ...the list below Asia Pacific Rim From this region email apr_technical_support 3com com Europe Middle East and Africa From this region enter the URL http emea 3com com support email html Latin America Spanish speakers enter the URL http lat 3com com lat support form html Portuguese speakers enter the URL http lat 3com com br support form html English speakers email lat_support_anc 3com com Telephone...

Страница 80: ...070 700 770 7010 7289 01080 2783 0825 809 622 01805 404 747 06800 14466 1800 509359 1800 943 2632 199 161346 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 800 29880 0900 777 7737 815 33 047 00800 441 1357 707 200 123 0800 991196 9 021 60455 07711 14453 08488 50112 0870 241 3901 Latin America Antigua Argentina Aruba Bahamas Barbados Belize Bermuda Bonaire B...

Страница 81: ...ntry Telephone Number Country Telephone Number Asia Pacific Rim From anywhere in this region call 65 543 6500 phone 65 543 6348 fax Europe Middle East and Africa From anywhere in these regions call 44 0 1442 435529 From the following countries you may use the numbers shown Austria Belgium Flemish Belgium French Denmark Finland France Germany Hungary Ireland Israel Italy 01 7956 7124 070 700 000 07...

Страница 82: ...12 AT T 800 998 2112 AT T 800 998 2112 Guatemala Haiti Honduras Jamiaca Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and Tobago Uruguay Venezuela Virgin Islands AT T 800 998 2112 57 1 657 0888 AT T 800 998 2112 1 800 998 2112 571 657 0888 01 800 849CARE AT T 800 998 2112 AT T 800 998 2112 54 11 4894 1888 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 1 800 998...

Страница 83: ... D default settings 20 users 49 F factory defaults 20 fan tray 19 G GBIC ports 15 transceivers 28 64 H hardware features 13 I installing the Switch 21 prerequisites 23 interconnect cable 25 IP addressing registered 58 IP configuration 33 L LEDs 16 logging in as a default user 49 M management methods 44 preparing for 34 setting up 31 32 manual setup console port 38 front panel port 35 MDI configura...

Страница 84: ...imple Network Management Protocol See SNMP SNMP 49 SNMP management 45 setting up 49 specifications system 75 straight through configuration 27 Switch automatic setup 41 interconnecting 24 XRN Distributed Fabric 24 Switch 4050 4060 dimensions 75 features 13 installation 21 23 powering up 26 rack mounting 23 size 75 weight 75 system specifications 75 T technical support 3Com Knowledgebase Web Servic...

Страница 85: ...t 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 This booklet is available from the U S Government Printi...

Страница 86: ......

Результаты поиска

Содержание SWITCH 4050

Отзывы:

Бренды по названию

Популярные бренды

3Com SWITCH 4050, Руководство по началу работы

Результаты поиска

Содержание SWITCH 4050

Отзывы:

Бренды по названию

Популярные бренды