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Part No. DUA1770-0AAA05
Published September 2003

SuperStack

®

 3

Switch 4900 Family
Getting Started Guide

Switch 4900 (3C17700)
Switch 4900 SX (3C17702)
Switch 4924 (3C17701)
Switch 4950 (3C17706)

Содержание 3C17700 - SuperStack 3 Switch 4900

Страница 1: ...ttp www 3com com Part No DUA1770 0AAA05 Published September 2003 SuperStack 3 Switch 4900 Family Getting Started Guide Switch 4900 3C17700 Switch 4900 SX 3C17702 Switch 4924 3C17701 Switch 4950 3C1770...

Страница 2: ...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 regis...

Страница 3: ...1000BASE T Ports 16 1000BASE SX Ports 16 GBIC Ports 16 LEDs 17 Switch Rear View Detail 18 Unit Information Label 19 Power Socket 19 Redundant Power System Socket 19 Console Port 20 Expansion Module S...

Страница 4: ...a Front Panel Port 37 Connecting to the Console Port 40 Viewing Automatically Configured IP Information 43 Using 3Com Network Supervisor 43 Connecting to the Console Port 44 Methods of Managing a Swit...

Страница 5: ...63 Wichtige Sicherheitsinformationen 66 B PIN OUTS Null Modem Cable 69 PC AT Serial Cable 69 Modem Cable 70 RJ 45 Pin Assignments 70 C TECHNICAL SPECIFICATIONS D OBTAINING SUPPORT FOR YOUR PRODUCT Reg...

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Страница 7: ...model however all procedures apply to all the other Switches listed unless otherwise stated The guide is intended for use by network administrators who are responsible for installing and setting up n...

Страница 8: ...ple 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 ex...

Страница 9: ...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 man...

Страница 10: ...de on the CD ROM The documentation is accessed using the index htm file The PDF Implementation Guide is stored in the Docs implementation directory of the CD ROM 3Com recommends that you copy the Docs...

Страница 11: ...about the hardware The information for all the Switches in the Switch 4900 Family is the same unless otherwise stated About the Switches Summary of Hardware Features Switch Front View Detail 100 1000...

Страница 12: ...our existing 10 100 1000 Mbps devices and high performance workgroups to a fiber or copper gigabit backbone or server connection You can also interconnect any combination of two Switches from the Supe...

Страница 13: ...ermanent entries Forwarding Modes Store and Forward Duplex Modes Half duplex only supported on 10BASE T 100BASE TX 1000BASE T ports in 10 100 Mbps mode All 1000 Mbps ports are full duplex only Flow Co...

Страница 14: ...Unit green yellow on flashing 1000 Mbps 100 Mbps enabled link OK disabled Status Module 7x 12x Port Status LEDs 100BASE TX 1000BASE T Ports Power Self Test LED and Layer 3 LED 100BASE TX 1000BASE T P...

Страница 15: ...They cannot be used as standard traditional telephone sockets or to connect the unit to a traditional PBX or public telephone network Only connect RJ 45 data connectors network telephony systems or n...

Страница 16: ...24 and 4950 1000BASE SX Ports The default state for these ports is auto negotiation enabled where the speed duplex and flow control modes are negotiated As the speed and duplex modes are fixed by the...

Страница 17: ...924 4950 link is present but the port is disabled Not applicable on 4900 SX Off No link is present Module LEDs Packet Yellow Packets are being transmitted received on the port Off No packets are being...

Страница 18: ...ar view 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 Off The Switch is no...

Страница 19: ...ess of the Switch The serial number of the Switch You may need this information for fault reporting purposes Power Socket The Switch automatically adjusts its power setting to any supply voltage in th...

Страница 20: ...faults Table 5 Default Setting Feature Switch 4900 Family Port Status Enabled Port Speed Auto negotiated Duplex Mode Auto negotiated Flow Control Auto negotiated Broadcast Storm Control Enabled High t...

Страница 21: ...he Switch or carrying out any maintenance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de s curit Avant d installer ou d enlever tout co...

Страница 22: ...d 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 transmitte...

Страница 23: ...r each Switch WARNING The Switch should only be used in a rack if it is mounted on runners a shelf or a tray to support the weight The rack mount kits alone are not sufficient to support the weight of...

Страница 24: ...of the other If you are mixing a variety of SuperStack 3 Switch and Hub units the smaller units must be positioned at the top If you are placing Switch units one on top of the other you must use the s...

Страница 25: ...its This information is also provided in the user documentation that accompanies the XRN Interconnect Kits or GBIC module The maximum number of Switch units that can be interconnected is two Both Swit...

Страница 26: ...Switch That is the Switch with the blue cable end will be assigned the identity of Unit 1 and the Switch with the yellow cable end will be assigned the identity of Unit 2 When the Switch units are in...

Страница 27: ...sure that your Switch is operating correctly Table 6 shows possible colors for the LED Table 6 Power Self Test LED Colors If there is evidence of a problem see Solving Problems Indicated by LEDs on pa...

Страница 28: ...ss over cable MDIX The Auto MDIX feature only operates when auto negotiation is enabled If auto negotiation is disabled all the Switch ports are configured as MDIX cross over If you want to make a con...

Страница 29: ...RJ cables that do not contain alignment pins as these are provided by the fiber socket Cables that contain alignment pins can cause damage to your Switch For detailed information on fiber cable specif...

Страница 30: ...sceiver 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 EEPRO...

Страница 31: ...o 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 ensu...

Страница 32: ...32 CHAPTER 2 INSTALLING THE SWITCH...

Страница 33: ...aging 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 met...

Страница 34: ...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...

Страница 35: ...nds 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 cha...

Страница 36: ...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...

Страница 37: ...nd 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 c...

Страница 38: ...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 retur...

Страница 39: ...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 46 Using Command...

Страница 40: ...ation 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...

Страница 41: ...the Switch 1 Connect the workstation to the console port using a standard null modem cable as shown in Figure 15 Figure 15 Connecting a workstation to the Switch via the console port To connect the c...

Страница 42: ...mmediately 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 le...

Страница 43: ...tch 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...

Страница 44: ...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...

Страница 45: ...ch 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 with...

Страница 46: ...witch on page 46 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 o...

Страница 47: ...u to manage the Switch using a Web browser remotely over an IP network see Figure 21 Figure 21 Web interface management over the network Refer to Setting Up Web Interface Management on page 49 SNMP Ma...

Страница 48: ...onsole 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...

Страница 49: ...ommand line interface for the Switch you wish to manage is displayed as shown in Figure 16 on page 42 Setting Up Web Interface Management This section describes how you can set up web interface manage...

Страница 50: ...age 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 W...

Страница 51: ...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 d...

Страница 52: ...odify 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 Lev...

Страница 53: ...lving 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 Inter...

Страница 54: ...Test POST because of an internal problem The fault type will be indicated on the unit LEDs Contact your supplier for advice A link is connected and yet the Status LED for the port does not light Check...

Страница 55: ...ys RMON Email 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...

Страница 56: ...command to determine whether a thermal shutdown has occurred 3 If no return the unit If yes check that The air vents are not obstructed The ambient temperatures and environmental conditions meet those...

Страница 57: ...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 the device...

Страница 58: ...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 U...

Страница 59: ...remove the unit AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour garantir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous...

Страница 60: ...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 m...

Страница 61: ...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 the unit to a traditional PBX or...

Страница 62: ...r look at the transmit laser while it is powered up Never look directly at the fiber ports and fiber cable ends when they are powered up WARNING Use of controls or adjustments of performance or proced...

Страница 63: ...specter une configuration qui permet un branchement sur une entr e d appareil EN60320 CEI 320 Etats Unis et Canada Le cordon doit avoir re u l homologation des UL et un certificat de la CSA Le cordon...

Страница 64: ...acc s RJ 45 Ceux ci sont prot g s par des prises de donn es Ils ne peuvent pas tre utilis s comme prises de t l phone conventionnelles standard ni pour la connection de l unit un r seau t l phonique...

Страница 65: ...us tension Ne regardez jamais directement le port fibres optiques et les embouts de c bles fibres optiques tant qu ils sont sous tension AVERTISSEMENT L utilisation de contr les de r glages de perform...

Страница 66: ...t werden soll VORSICHT Der Ger testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu eine passende Konfiguration f r einen Ger teeingang gem EN60320 IEC320 haben VORSICHT Die Netzsteck...

Страница 67: ...t ist Der Einschubmontagesatz alleine reicht nicht aus um das Gewicht des Switch zu tragen VORSICHT Ist kein Erweiterungsmodul installiert berpr fen Sie bitte den Sitz der Stanzplatte indem Sie alle S...

Страница 68: ...68 APPENDIX A SAFETY INFORMATION...

Страница 69: ...B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin...

Страница 70: ...0 Pin assignments Pin Number 10 100BASE T 1000BASE T Ports configured as MDI 1 Transmit Data Bidirectional Data A 2 Transmit Data Bidirectional Data A 3 Receive Data Bidirectional Data B 4 Not assigne...

Страница 71: ...d 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 D 5 Not assigned Bidirectional Data D 6 Transmi...

Страница 72: ...72 APPENDIX B PIN OUTS...

Страница 73: ...mm 16 27 in not including bulge Weight 6 91 Kg 15 23 lbs Environmental Requirements Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 10 to 70 C 14 to 158 F Operating Humidity 10 95 rel...

Страница 74: ...Switch 4900 SX 560 BTU hour maximum Switch 4924 870 BTU hour maximum Switch 4950 685 BTU hour maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage Options 90 240 VAC Current Rating Switch 490...

Страница 75: ...4x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced engineers are available to manage your installation with minimal disruption to your netw...

Страница 76: ...s 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 Conta...

Страница 77: ...7991 1800 801 777 0800 446 398 61 2 9937 5083 Philippines P R of China Singapore S Korea Taiwan Thailand 1235 61 266 2602 or 1800 1 888 9469 10800 61 00137 or 021 6350 1590 or 00800 0638 3266 800 616...

Страница 78: ...ma 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 800 998 211...

Страница 79: ...et address of the Switch 19 F factory defaults 20 G GBIC ports 16 H hardware features 13 I installing the Switch 21 prerequisites 23 interconnect cable 25 IP addressing registered 57 IP configuration...

Страница 80: ...management 47 setting up 51 socket power 19 RPS 19 specifications system 73 straight through configuration 28 Switch 3C number 19 automatic setup 43 dimensions 73 Ethernet address 19 features 13 inst...

Страница 81: ...t 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 us...

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