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3-5

Catalyst 2940 Switch Hardware Installation Guide

OL-6157-01

Chapter 3      Troubleshooting

Diagnosing Common Problems

Table 3-3

Corrupted Software Problems and Their Solutions

Symptom

Possible Cause

Resolution

System LED is amber, 
and all port LEDs are 
off.

Corrupted  software.

Attach a monitor to the serial port to display 
the switch boot loader. 

For more information, see the

 

switch 

software configuration guide.

System LED is amber.

Nonfatal or fatal POST 
error detected.

Use the 

show post 

privileged EXEC 

command to see which POST test failed.

POST failures are usually fatal. Contact 
your Cisco representative if your switch 
does not pass POST.

Содержание Catalyst Series Switch 2940

Страница 1: ...sco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Catalyst 2940 Switch Hardware Installation Guide November 2004 Text Part Number OL 6157 01 ...

Страница 2: ...llowing measures Turn the television or radio antenna until the interference stops Move the equipment to one side or the other of the television or radio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled b...

Страница 3: ...on Feedback xv Obtaining Technical Assistance xv Cisco TAC Website xv Opening a TAC Case xv TAC Case Priority Definitions xvi Obtaining Additional Publications and Information xvi C H A P T E R 1 Overview 2 1 Setting up the Switch 2 1 Features 2 1 Front Panel Description 2 2 Port Numbering 2 3 10 100 Ports 2 3 10 100 1000 Port 2 3 100BASE FX Port 2 4 SFP Module Slot 2 4 SFP Modules 2 5 Cable Guard...

Страница 4: ...h Mounting Screws 3 5 Installing the Switch Under a Desk 3 7 Installing the Switch on a Wall 3 9 Installing the Switch Magnet Mount 3 12 Connecting to an SFP Module 3 12 Connecting to 10 100 Ports and the 10 100 1000 Port 3 14 Connecting to the 100BASE FX Port 3 15 Connecting to an SFP Module 3 16 Where to Go Next 3 17 C H A P T E R 3 Troubleshooting 4 1 Understanding POST Results 4 1 Diagnosing C...

Страница 5: ...nnecting to a Terminal B 8 Identifying a Rollover Cable B 9 A P P E N D I X C Configuring the Switch with the CLI Based Setup Program D 1 Methods for Accessing the CLI D 1 Accessing the CLI Through Express Setup Unconfigured Switch Only D 1 Accessing the CLI Through the Console Port D 2 Taking Out What You Need D 2 Connecting to a Power Source D 3 Connecting to the Console Port D 3 Starting the Te...

Страница 6: ...Contents vi Catalyst 2940 Hardware Installation Guide OL 6157 01 ...

Страница 7: ...ion This guide does not describe how to configure software features on your switch or describe the Catalyst 2940 specific system messages that you might encounter It also does not provide information about command line interface CLI commands that have been created or changed for use by the switch For more information see the switch software configuration guide the switch system message guide and t...

Страница 8: ...itteistoa huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla SÄILYTÄ NÄMÄ OHJEET Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ Ce symbole d avertissement indique un dang...

Страница 9: ...tuação que poderá ser causadora de lesões corporais Antes de iniciar a utilização de qualquer equipamento tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize se com as práticas habituais de prevenção de acidentes Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este di...

Страница 10: ...x Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Preface Conventions ...

Страница 11: ...laração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo GUARDE ESTAS INSTRUÇÕES Advarsel VIGTIGE SIKKERHEDSANVISNINGER Dette advarselssymbol betyder fare Du befinder dig i en situation med risiko for legemesbeskadigelse Før du begynder arbejde på udstyr skal du være opmærksom på de involverede risici der er ved elektriske...

Страница 12: ...xii Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Preface Conventions ...

Страница 13: ...Hardware Installation Guide not orderable but available on Cisco com Catalyst 2940 Switch Getting Started Guide order number DOC 7816576 Regulatory Compliance and Safety Information for the Catalyst 2940 Switch order number DOC 7816656 For software information for the Catalyst 2940 switches see these documents Catalyst 2940 Switch Software Configuration Guide order number DOC 7815507 Catalyst 2940...

Страница 14: ...d documentation The CD ROM package is available as a single unit or through an annual or quarterly subscription Registered Cisco com users can order a single Documentation CD ROM product number DOC CONDOCCD through the Cisco Ordering tool http www cisco com en US partner ordering ordering_place_order_ordering_tool_launch html All users can order annual or quarterly subscriptions through the online...

Страница 15: ...o TAC website http www cisco com tac provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies The Cisco TAC website is available 24 hours a day 365 days a year Accessing all the tools on the Cisco TAC website requires a Cisco com user ID and password If you have a valid service contract but do not have a login ID or password regist...

Страница 16: ...o effect on your business operations Obtaining Additional Publications and Information Information about Cisco products technologies and network solutions is available from various online and printed sources The Cisco Product Catalog describes the networking products offered by Cisco Systems as well as ordering and customer support services Access the Cisco Product Catalog at this URL http www cis...

Страница 17: ...ng professionals involved in designing developing and operating public and private internets and intranets You can access the Internet Protocol Journal at this URL http www cisco com en US about ac123 ac147 about_cisco_the_internet_protocol_journal html Training Cisco offers world class networking training Current offerings in network training are listed at this URL http www cisco com en US learni...

Страница 18: ...xviii Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Preface Obtaining Additional Publications and Information ...

Страница 19: ...ommand line interface CLI see Appendix C Configuring the Switch with the CLI Based Setup Program Features The Catalyst 2940 switches are a family of Ethernet switches that you can use to connect workstations and other network devices such as servers routers and other switches All models of the switch are cluster capable See the switch software configuration guide for examples that show how you mig...

Страница 20: ...destination port stores the packet in shared memory and then forwards the packet to the destination port Front Panel Description The switch front panel contains the ports the LEDs and the Mode button Figure 1 1 and Figure 1 2 show the switches Figure 1 1 Catalyst 2940 8TT S Switch Figure 1 2 Catalyst 2940 8TF S Switch 1 10 100 Ethernet ports 2 10 100 1000 Gigabit Ethernet port 1 89451 1x 2x 3x 4x ...

Страница 21: ...nt with IEEE 802 3U In all cases the cable length from a switch to an attached device cannot exceed 328 feet 100 meters When set for autonegotiation a port senses the speed and duplex settings of the attached device and advertises its own capabilities If the attached device supports autonegotiation the port negotiates the best connection that is the fastest line speed that both devices support and...

Страница 22: ...uplex mode the cable length from the 100BASE FX port to an attached device cannot exceed 6562 feet 2 kilometers You can use only the 100BASE FX port or the SFP module slot at one time When the switch is first powered on the 100BASE FX port is enabled by default However if an SFP module is already installed in the switch the SFP module slot is enabled You can connect the 100BASE FX port to an SC po...

Страница 23: ...other end of the cable and the cable must not exceed the stipulated cable length for reliable communications Table 1 3 lists these stipulations The 1000BASE T SFP module is used to establish a Gigabit Ethernet connection through a Category 5 copper cable This module can provide a Gigabit Ethernet connection of up to 100 meters through a Category 5 cable Use only Cisco SFP modules on the Catalyst 2...

Страница 24: ...can order an optional cable guard to secure cables to the front of the switch and prevent them from being accidentally removed To order a cable guard contact your Cisco representative LEDs There are four LEDs on the left panel of the switch and there are port status LEDs above all the switch ports as shown in Figure 1 3 Figure 1 3 LEDs on Catalyst 2940 Switches You can use these LEDs to monitor sw...

Страница 25: ...and Port LEDs Press the Mode button to cycle through the STAT DPLX and SPD LED displays When the LED is highlighted for the mode that you want release the button to enable that highlighted mode Table 1 5 lists the mode meanings Each port has a port status LED also called a port LED These LEDs display information about the individual ports When you change the port mode the meanings of the port LED ...

Страница 26: ... amber Port is not forwarding Port was disabled by management an address violation or Spanning Tree Protocol STP Note After a port is reconfigured the port LED can remain amber for up to 30 seconds while STP checks the switch for possible loops DPLX Off Port is operating in half duplex half or full duplex Green Port is operating in full duplex SPD 10 100 ports Off Port is operating at 10 Mbps Gree...

Страница 27: ...toranging unit that supports input voltages between 100 and 240 VAC Use the supplied AC power cord to connect the AC power connector to an AC power outlet The switch accessory kit includes an L shaped AC power cord Table 1 7 lists the spare L shaped AC power cords that you can order from your Cisco sales representative 1 AC power connector 2 RJ 45 console port 89886 2 1 Table 1 7 Spare L Shaped Po...

Страница 28: ...number ACS DSBUASYN with that adapter from Cisco For console port and adapter pinout information see the Cable and Adapter Specifications section on page B 5 Security Slots The switches have security slots in the left and right side panels You can install an optional cable lock such as the type that is used to secure a laptop computer to secure either or both sides of the switch Figure 1 5 shows t...

Страница 29: ...the web browser and press Enter The device manager page appears See the device manager online help for more information Cisco IOS CLI You can manage switches by using command line entries To access the CLI connect a PC or a terminal directly to the console port on the switch If the switch is attached to your network you can use a Telnet connection to manage the switch from a remote location For mo...

Страница 30: ...1 12 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Chapter 1 Overview Management Options ...

Страница 31: ... 100 1000 Port page 2 14 Connecting to the 100BASE FX Port page 2 15 Connecting to an SFP Module page 2 16 Where to Go Next page 2 17 Preparing for Installation This section provides information about these topics Warnings page 2 1 Installation Guidelines page 2 3 Verifying Package Contents page 2 3 Warnings These warnings are translated into several languages in the Regulatory Compliance and Safe...

Страница 32: ...the equipment must comply with local and national electrical codes Statement 1074 Warning This equipment is intended to be grounded Ensure that the host is connected to earth ground during normal use Statement 39 Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces and watches Metal objects will heat up when connected to power and ground and...

Страница 33: ... of an AC power outlet Airflow around the switch and through the vents is unrestricted Temperature around the unit does not exceed 113 F 45 C Note If the switch is installed in a closed area such as a wiring closet the temperature around it might be greater than normal room temperature Cabling is away from sources of electrical noise such as radios power lines and fluorescent lighting fixtures Ver...

Страница 34: ...le 2 1 Use the Cisco part numbers in Table 2 1 to order the patch cables that you need Verifying Switch Operation Before installing the switch you should power on the switch and verify that it passes POST as described in the getting started guide The System LED turns amber if the POST fails If the POST fails see Chapter 3 Troubleshooting to determine a course of action Table 2 1 MT RJ Patch Cables...

Страница 35: ...he desk If you do not want to install the switch with mounting screws follow these steps Step 1 Locate the adhesive strip with the rubber feet in the accessory kit Step 2 Remove the four rubber feet from the adhesive strip and attach them to the recessed areas on the bottom of the unit This prevents the switch from sliding on the desktop Step 3 Place the switch on the desktop Installing the Switch...

Страница 36: ... bottom of the screw template and attach it to the top of the desk Step 4 Use a 0 144 inch 3 7 mm or a 27 drill bit to drill a 1 2 inch 12 7 mm hole in the two screw template slots Step 5 Insert three screws in the slots on the screw template and tighten until they touch the top of the screw template Step 6 Remove the screw template from the desk top 1 Screw template 3 Wall 2 Screws 4 Desk 89859 4...

Страница 37: ...e screw template The template is used to align the mounting screw holes and is also used as a guide to make sure the screws are installed under the desk with proper clearance Step 2 Position the screw template underneath the desk so that the two side by side slots face the front of the desk as shown in Figure 2 4 This ensures that the power cord faces the rear of the desk after the switch is insta...

Страница 38: ...rew template and attach it to the underside of the desk Step 4 Use a 0 144 inch 3 7 mm or a 27 drill bit to drill a 1 2 inch 12 7 mm hole in the two screw template slots Step 5 Insert three screws in the slots on the screw template and tighten until they touch the top of the screw template Step 6 Remove the screw template from underneath the desk 1 Desktop 4 Adhesive 2 Screw template 5 Wall 3 Scre...

Страница 39: ...Figure 2 5 on page 2 10 and Figure 2 6 on page 2 11 If you want to mount the switch with the front panel facing up rotate the screw template 180 degrees Step 1 Locate the screw template The template is used to align the mounting screw holes Step 2 Position the screw template so that the two side by side slots face toward the ceiling as shown in Figure 2 5 This ensures that the power cord faces tow...

Страница 40: ...crew template to the wall Step 5 Use a 0 144 inch 3 7 mm or a 27 drill bit to drill a 1 2 inch 12 7 mm hole in the three screw template slots Step 6 Insert three screws in the slots on the screw template and tighten until they touch the top of the screw template Step 7 Remove the screw template from the wall 1 Wall 2 Screws 3 Screw template CABLE SIDE ENTRY THIS SIDE AWAY FROM MOUNTING SURFACE SCR...

Страница 41: ...57 01 Chapter 2 Installation Installing the Switch Step 8 Place the switch onto the mounting screws and slide it down until it locks in place as shown in Figure 2 6 Figure 2 6 Installing the Switch On a Wall 1 Switch 2 Screw 3 Slides on this way 3 1 2 2 2 89855 ...

Страница 42: ...o Small Form Factor Pluggable Modules Installation Notes order number DOC 7815160 and to the documentation that came with your SFP module Caution Do not remove the rubber plugs from the ports on fiber optic SFP modules or the rubber caps from the the fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient ...

Страница 43: ...P Module Port Step 3 Insert the other cable end in a fiber optic receptacle on a target device Step 4 Observe the port status LED The LED turns green when the switch and the target device have an established link The LED turns amber while the STP discovers the network topology and searches for loops This process takes about 30 seconds and then the port LED turns green If the LED is off the target ...

Страница 44: ... To maximize performance choose one of these methods for configuring the ports Let the port autonegotiate both speed and duplex for 10 100 ports and only speed for 10 100 1000 ports Set the speed and duplex parameters on both ends of the connection Caution To comply with the intrabuilding lightning surge requirements intrabuilding wiring must be shielded and the shield for the wiring must be groun...

Страница 45: ...to the 100BASE FX Port The 100BASE FX port on the Catalyst 2940 8TF S operates only in full duplex mode You can connect a 100BASE FX port to an SC port on another device by using one of the MT RJ fiber optic patch cables listed in Table 2 1 on page 2 4 Use the Cisco part numbers in Table 2 1 to order the patch cables that you need Caution Do not remove the dust plugs from the fiber optic ports or ...

Страница 46: ...mber DOC 7815160 and to the documentation that came with your SFP module Caution Do not remove the rubber plugs from the ports on fiber optic SFP modules or the rubber caps from the the fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient light Before connecting to an SFP module be sure that you underst...

Страница 47: ...default configuration Start the device manager which is in the switch memory to manage individual and standalone switches This is an easy to use web interface that offers quick configuration and monitoring You can access the device manager from anywhere in your network through a web browser For more information see the getting started guide and the device manager online help Start the Network Assi...

Страница 48: ...2 18 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Chapter 2 Installation Where to Go Next ...

Страница 49: ... SNMP application for details This chapter provides these topics for troubleshooting problems Understanding POST Results page 3 1 Diagnosing Common Problems page 3 1 Understanding POST Results While the switch powers on it automatically begins POST a series of tests that verifies that the switch functions properly POST lasts approximately 1 minute If POST passes successfully only the SYST and STAT...

Страница 50: ...ired correctly See Figure B 6 on page B 5 through Figure B 9 on page B 6 for the correct pinouts of 10 100 cables For the proper application of crossover and straight through cables see the Cable and Adapter Specifications section on page B 5 Replace it with a tested good cable STP is checking for possible network loops Wait 30 seconds for port status LED to turn green No connectivity to 100BASE F...

Страница 51: ...on Notes order number DOC 7815160 for procedures on removing an SFP module A 100BASE FX device is connected to the switch Remove the connection to the 100BASE FX device reinstall the SFP module and reboot the switch Switch placed in error disabled state after SFP module is inserted Bad or non Cisco approved SFP module Remove SFP module from the switch and replace it with a Cisco approved module Us...

Страница 52: ...displaying port statistics For 10BASE T 100BASE TX and 1000BASE T connections The distance between the port and the attached device exceeds 328 feet 100 meters Reduce cable length to within the recommended distances If the switch is attached to a repeater the total distance between the two end stations exceeds the cabling guidelines See your repeater documentation for cabling guidelines For SFP mo...

Страница 53: ...D is amber and all port LEDs are off Corrupted software Attach a monitor to the serial port to display the switch boot loader For more information see the switch software configuration guide System LED is amber Nonfatal or fatal POST error detected Use the show post privileged EXEC command to see which POST test failed POST failures are usually fatal Contact your Cisco representative if your switc...

Страница 54: ...3 6 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Chapter 3 Troubleshooting Diagnosing Common Problems ...

Страница 55: ...witches Environmental Ranges Operating temperature 32 to 113 F 0 to 45 C Storage temperature 13 to 158 F 25 to 70 C Operating humidity 10 to 85 noncondensing Operating altitude Up to 10 000 ft 3000 m Storage altitude Up to 15 000 ft 4570 m Power Requirements AC input voltage 100 to 240 VAC 50 to 60 Hz Power consumption 15 W maximum 50 Btus per hour Physical Dimensions Weight 3 lb 1 36 kg Dimension...

Страница 56: ...tter power for 62 5 125 micron cabling 20 to 14 dBm Table A 3 Catalyst 2940 Switch Agency Approvals Safety EMC UL CSA 60950 FCC Part 15 Class A IEC 60950 EN 60950 EN 55022 1998 CISPR22 Class A AS NZS 60950 EN 55024 1998 CISPR24 CE VCCI Class A AS NZS 3548 Class A CE CNS 13438 Class A MIC CLEI code USA CFR47 FCC Part 15 Class A ICES 003 Class A EN55022 CISPR22 Class A 1998 Safety EMC EN 55024 ITE I...

Страница 57: ...6157 01 Appendix A Technical Specifications EN61000 4 11 IEC1000 4 11 Immunity to Voltage Dips Voltage Variations and Short Voltage Interruptions AS NZS 3548 Class A BSMI Class A VCCI Class A MIC Mark Table A 3 Catalyst 2940 Switch Agency Approvals continued ...

Страница 58: ...A 4 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Appendix A Technical Specifications ...

Страница 59: ...1 10 100 1000 Ports page B 3 100BASE FX Port page B 4 SFP Module Slot page B 4 Console Port page B 5 10 100 Ports The 10 100 Ethernet ports use standard RJ 45 connectors and Ethernet pinouts with internal crossovers as shown by an X in the port label on the switch as shown in Figure B 1 Figure B 1 Port Labels Showing Internal Crossovers These ports have the transmit TD and receive RD signals inter...

Страница 60: ... connecting the ports to other devices such as switches or repeaters you can use a two or four twisted pair crossover cable Figure B 7 shows the two twisted pair crossover cable schematics Figure B 9 shows the four twisted pair crossover cable schematics You can use Category 3 4 or 5 cabling when connecting to 10BASE T devices You must use Category 5 cabling when connecting to 100BASE TX devices N...

Страница 61: ... cable schematics Figure B 9 shows the four twisted pair crossover cable schematics You can use Category 3 4 or 5 cabling when connecting to 10BASE T devices You must use Category 5 cabling when connecting to 100BASE TX devices Connecting to 1000BASE T Devices When connecting the ports to 1000BASE T devices such as servers workstations and routers you must use a four twisted pair Category 5 straig...

Страница 62: ...ts Figure B 5 shows an SFP module connector for a fiber optic connection Figure B 5 SFP Module Connector Warning Invisible laser radiation may be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instruments Statement 1051 Warning Invisible laser radiation may be emitted from disconnected fibers or connectors Do not stare into beams or view direct...

Страница 63: ...ble B 2 and Table B 3 Cable and Adapter Specifications These sections describe the cables and adapters used with Catalyst 2940 switches Two Twisted Pair Cable Pinouts page B 5 Four Twisted Pair Cable Pinouts for 10 100 Ports page B 6 Four Twisted Pair Cable Pinouts for 1000BASE T Ports page B 7 Cable and Adapter Pinouts page B 8 Two Twisted Pair Cable Pinouts Figure B 6 and Figure B 7 show the sch...

Страница 64: ...tics of four twisted pair cables for 10 100 ports Figure B 8 Four Twisted Pair Straight Through Cable Schematic for 10 100 Ports Figure B 9 Four Twisted Pair Crossover Cable Schematic for 10 100 Ports 1 TPO 2 TPO 3 TP1 6 TP1 1 TP1 Switch Router or PC 2 TP1 3 TPO 6 TPO 4 TP2 5 TP2 7 TP3 8 TP3 4 TP3 5 TP3 7 TP2 8 TP2 65272 1 RD 2 RD 3 TD 6 TD 1 RD Switch Switch 2 RD 3 TD 6 TD 4 NC 5 NC 7 NC 8 NC 4 N...

Страница 65: ... 100 1000 port Figure B 10 Four Twisted Pair Straight Through Cable Schematic for 10 100 1000 and 1000BASE T GBIC Module Ports Figure B 11 Four Twisted Pair Crossover Cable Schematics for 10 100 1000 and 1000BASE T GBIC Module Ports 1 TPO 2 TPO 3 TP1 6 TP1 1 TP1 Switch Router or PC 2 TP1 3 TPO 6 TPO 4 TP2 5 TP2 7 TP3 8 TP3 4 TP3 5 TP3 7 TP2 8 TP2 65272 1 TPO 2 TPO 3 TP1 6 TP1 1 TP0 Switch Switch 2...

Страница 66: ...ble Connecting to a Terminal Use the supplied RJ 45 to DB 9 adapter cable and an RJ 45 to DB 25 female DTE adapter to connect the console port to a terminal Table B 3 lists the pinouts for the console port the adapter cable and the RJ 45 to DB 25 adapter Note The RJ 45 to DB 25 female DTE adapter is not supplied with the switch You can order a kit part number ACS DSBUASYN with that adapter from Ci...

Страница 67: ...B 12 Identifying a Rollover Cable On a rollover cable the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug Table B 3 Console Port Signaling and Cabling Using a DB 25 Adapter Console Port DTE RJ 45 to DB 9 Adapter Cable RJ 45 to DB 25 Terminal Adapter Console Device Signal RJ 45 Pin DB 9 Pin DB 25 Pi...

Страница 68: ...B 10 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 Appendix B Connectors and Cables Cable and Adapter Specifications ...

Страница 69: ... access the CLI by these methods Accessing the CLI Through Express Setup Unconfigured Switch Only page C 1 Accessing the CLI Through the Console Port page C 2 Accessing the CLI Through Express Setup Unconfigured Switch Only You can access the CLI on an unconfigured switch by placing the switch in Express Setup mode and then connecting an Ethernet port of the switch to the Ethernet port of your PC ...

Страница 70: ...ormation about using the CLI see the command reference for this release Accessing the CLI Through the Console Port You can access the CLI by connecting the console port of the switch to the serial port on your PC or workstation and access the switch through a Telnet session To access the switch through the console port follow the steps in the rest of this chapter beginning with the Taking Out What...

Страница 71: ...AC outlet As the switch powers on it begins the power on self test POST a series of tests that run automatically to ensure that the switch functions properly If POST fails see Chapter 3 Troubleshooting to determine a course of action Connecting to the Console Port You can use the console port to perform the initial configuration To connect the switch console port to a PC use the supplied RJ 45 to ...

Страница 72: ... that you can see the output display from the POST The terminal emulation software frequently a PC application such as Hyperterminal or ProcommPlus makes communication between the switch and your PC or terminal possible Note If you started the terminal emulation program before you powered on your switch the PC or terminal displays the bootloader sequence You need to press Enter to display the setu...

Страница 73: ...itial Configuration Information To set up the switch you need to complete the setup program which runs automatically after the switch is powered up You must assign an IP address and other configuration information necessary for the switch to communicate with the local routers and the Internet This information is also required if you plan to use the Network Assistant to configure and manage the swi...

Страница 74: ...er is case sensitive allows spaces but ignores leading spaces The secret password is encrypted and the enable password is in plain text Enter enable secret secret_password Step 4 Enter an enable password and press Return Enter enable password enable_password Step 5 Enter a virtual terminal Telnet password and press Return The password can be from 1 to 25 alphanumeric characters is case sensitive a...

Страница 75: ... initial configuration This is an example of that output The following configuration command script was created hostname host_name enable secret 5 1 Max7 Qgr9eXBhtcBJw3KK7bc850 enable password my line vty 0 15 password my_password snmp server community public no ip routing interface Vlan1 no shutdown ip address 172 20 139 145 255 255 255 224 interface Vlan2 shutdown no ip address interface FastEth...

Страница 76: ...s see Chapter 2 Installation To complete this setup procedure your PC must not be configured with a fixed IP address If you want to change the configuration or want to perform other management tasks use one of these tools CLI Device manager from your browser for one switch Network Assistant for one or more switches To use the CLI enter commands at the Switch prompt through the console port by usin...

Страница 77: ...J 45 to DB 9 B 8 addresses assigning IP 3 17 agency approvals A 2 altitude A 1 autonegotiation 10 100 1000 ports 2 4 10 100 ports 2 3 C cable guard 2 6 cables 10 100 1000 ports 2 3 to 2 4 10 100 ports 2 3 crossover connecting to B 2 B 3 four twisted pair pinout 10 100 ports B 6 four twisted pair pinout 1000BASE T ports B 7 two twisted pair pinout B 5 MT RJ 2 4 problems solving 4 4 rollover B 9 str...

Страница 78: ... connecting to B 8 to B 9 D 3 illustrated 2 9 RJ 45 to DB 9 adapter cable pinouts B 8 crossover cable connecting to 10 100 1000 ports 3 14 10 100 ports 3 14 connectivity problems 4 2 pinout four twisted pair 10 100 ports B 6 four twisted pair 1000BASE T ports B 7 two twisted pair B 5 D Device Manager xiii description 2 11 to configure switch 3 17 viewing LEDs 2 7 dimensions A 1 documentation order...

Страница 79: ... See CLI IP address configuring through CLI D 6 IP address procedures 3 17 J jewelry removal warning 3 2 L laser beam exposure warning 3 2 laser radiation warning 3 2 LEDs color meanings 2 8 duplex DPLX 2 8 full duplex 2 8 half duplex 2 8 interpreting 2 7 to 2 8 port mode 2 7 to 2 8 speed SPD 2 7 2 8 status STAT 2 7 2 8 system SYST 2 7 lightning activity warning 3 2 M main disconnecting device war...

Страница 80: ... 2 8 port numbering 2 3 ports See 10 100 ports 10 100 1000 ports 100BASE FX ports and console ports POST problems solving 4 5 verifying switch operation 3 4 power requirements A 1 power connector 2 9 procedures IP address 3 17 product disposal warning 3 2 publications related xiii R rear panel clearance 3 3 console port connector 2 10 described 2 9 illustrated 2 9 power connector 2 9 related publi...

Страница 81: ...et and accessing the CLI 2 11 temperature operating A 1 warning 3 2 terminal connecting to a switch B 8 to B 9 terminal emulation software D 4 troubleshooting 4 1 understanding POST results 4 1 U URLs Cisco xiv V verifying package contents 3 3 W warnings Class 1 laser product 3 2 ground connection 3 2 grounded equipment 3 2 installation 3 1 to 3 2 jewelry removal 3 2 laser beam exposure 3 2 laser ...

Страница 82: ...Index IN 6 Catalyst 2940 Switch Hardware Installation Guide OL 6157 01 ...

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