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4-6

Catalyst 2960 Switch Hardware Installation Guide

OL-7075-09

Chapter 4 Troubleshooting

Locating the Switch Serial Number

The switch now behaves like an unconfigured switch. You can configure the switch by using Express
Setup as described in the switch getting started guide that is included with the switch.

You can also configure the switch by using the CLI setup procedure described in

Appendix C,

“Configuring the Switch with the CLI-Based Setup Program.”

Locating the Switch Serial Number

If you contact Cisco Technical Assistance, you need to know the serial number of your switch. See

Figure 4-1

through

Figure 4-3

to locate the serial number on your switch. You can also use the

show

version

command to get the serial number.

Figure 4-1

Serial Number Location on the Catalyst 2960-24PC-L, 2960-24LT-L, 2960-48PST-L, 2960-24TC-S,
2960-48TC-S, 2960-24TT-L, 2960-48TT-S, 2960-48TT-L, 2960G-24TC-L, 2960-24PC-S, 2960-24LC-S,
2960-48PST-S, and 2960G-48TC-L Switches

Figure 4-2

Serial Number Location on the Catalyst 2960-24-S, 2960-24TC-S, and 2960-48TC-S Switches

Cisco 11-character label

SN: XXXNNNNXXXX

140035, 0781-00374-01

191931

SN: XXXNNNNXXXX

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Summary of Contents for Catalyst 2960 Series

Page 1: ...isco 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 408 527 0883 Catalyst 2960 Switch Hardware Installation Guide March 2010 Text Part Number OL 7075 09 ...

Page 2: ...equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void the FCC approval and negate your authority to operate the product The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California Berkeley UCB as part of UCB s ...

Page 3: ...Switches 1 8 Catalyst 2960 8 Port Switches 1 9 Catalyst 2960PD 8TT L Switch 1 9 Catalyst 2960 8TC S Catalyst 2960 8TC L and Catalyst 2960G 8TC L Switches 1 10 10 100 Ports 1 11 10 100 1000 Ports 1 11 PoE Ports Only Catalyst 2960 PoE Switches 1 12 SFP Module Slots 1 13 Dual Purpose Port 1 13 Power Input Port Catalyst 2960PD 8TT L Switch 1 13 LEDs 1 14 System LED 1 15 RPS LED 1 16 Port LEDs and Mode...

Page 4: ...aching the Brackets to the Switch for Wall Mounting 2 12 Attaching the RPS Connector Cover 2 12 Mounting the Switch on a Wall 2 13 Table or Shelf Mounting 2 14 Connecting to the 10 100 and 10 100 1000 Ports 2 14 Installing and Removing SFP Modules 2 15 Installing SFP Modules 2 16 Removing SFP Modules 2 17 Connecting to SFP Modules 2 18 Connecting to Fiber Optic SFP Modules 2 18 Connecting to 1000B...

Page 5: ...onitor Switch LEDs 4 2 Verify Switch Connections 4 2 Bad or Damaged Cable 4 2 Ethernet and Fiber Cables 4 3 Link Status 4 3 Transceiver Module Port Issues 4 3 Port and Interface Settings 4 4 Ping the End Device 4 4 Spanning Tree Loops 4 4 Monitor Switch Performance 4 4 Speed Duplex and Autonegotiation 4 4 Autonegotiation and NIC Cards 4 5 Cabling Distance 4 5 Clearing the Switch IP Address and Con...

Page 6: ...r Pinouts B 7 Identifying a Crossover Cable B 7 Adapter Pinouts B 8 A P P E N D I X C Configuring the Switch with the CLI Based Setup Program C 1 Accessing the CLI C 1 Accessing the CLI Through Express Setup C 1 Accessing the CLI Through the Console Port C 2 Connecting to the Console Port C 3 Starting the Terminal Emulation Software C 3 Connecting to a Power Source C 4 Entering the Initial Configu...

Page 7: ...stics of the switch explains how to install it and provides troubleshooting information This guide does not describe system messages that you might receive or how to configure your switch For more information see the switch software configuration guide the switch command reference and the switch system message guide on the Cisco com Product Documentation home page For information about the standar...

Page 8: ...istant online help available on the switch Catalyst 2960 Switches Getting Started Guide 8 Port Switches Catalyst 2960 Switch Getting Started Guide This guide is for the 24 and 48 port switches and provides information in these languages English Chinese Simplified French German Italian Japanese and Spanish Regulatory Compliance and Safety Information for the Catalyst 2960 Switch For information abo...

Page 9: ...e Modules Compatibility Matrix Compatibility Matrix for 1000BASE T Small Form Factor Pluggable Modules Cisco Redundant Power System 2300 Compatibility Matrix Obtaining Documentation and Submitting a Service Request For information on obtaining documentation submitting a service request and gathering additional information see the monthly What s New in Cisco Product Documentation which also lists a...

Page 10: ...x Catalyst 2960 Switch Hardware Installation Guide OL 7075 09 Preface ...

Page 11: ...he traditional wiring closet environment such as in office workspaces and classrooms See the switch software configuration guide for deployment examples Table 1 1 describes the switch model features Table 1 1 Catalyst 2960 Switch Model Descriptions Switch Model Supported Software Image Description Catalyst 2960 8TC S LAN Lite 8 10 100BASE TX Ethernet ports and 1 dual purpose port 1 10 100 1000BASE...

Page 12: ...rt Catalyst 2960PD 8TT L LAN Base 8 10 100BASE TX Ethernet ports and 1 10 100 1000 port that receives power no fan RPS port or SFP module slot Catalyst 2960 24LT L LAN Base 24 10 100BASE TX ports 8 of which are Power over Ethernet PoE and 2 10 100 1000 ports no SFP module slot Catalyst 2960 24PC L LAN Base 24 10 100BASE TX PoE ports and 2 dual purpose ports Catalyst 2960 24TC L LAN Base 24 10 100B...

Page 13: ...igabit Ethernet Transceiver Modules Compatibility Matrix at this Cisco com URL http www cisco com en US docs interfaces_modules transceiver_modules compatibility matrix OL_6981 html The 1000BASE T SFP modules operate at 10 100 or 1000 Mb s in full duplex mode or at 10 or 100 Mb s in half duplex mode when installed in Catalyst 2960 switches The 10 100 and 10 100 1000 ports autonegotiate speed and s...

Page 14: ...nd 2960 48TT S Switches page 1 4 Catalyst 2960 24PC L 2960 24PC S 2960 24LC S 2960 24TC L 2960 48TC L 2960 24LT L 2960 24TT L 2960 48TT L 2960 48PST L and 2960 48PST S Switches page 1 6 Catalyst 2960G 24TC L and Catalyst 2960G 48TC L Switches page 1 8 Catalyst 2960 24 S 2960 24TC S 2960 48TC S and 2960 48TT S Switches The 10 100 ports on the Catalyst 2960 24 S switch are numbered as follows The fi...

Page 15: ...S switch are numbered as follows The first member of the pair port 1 is above the second member port 2 port 3 is above port 4 and so on This switch has two 10 100 1000 uplink ports numbered 1 and 2 The See Figure 1 4 Figure 1 4 Catalyst 2960 48TT S Switch Front Panel 1 10 100 ports 2 Dual purpose ports Catalyst 2960 Series SI SYST STAT DUPLX SPEED MODE 204631 2 1 1 10 100 ports 2 Dual purpose port...

Page 16: ...60 24PC L and 2960 24PC S switches are PoE ports See Figure 1 5 and Figure 1 6 Ports 1 to 8 on the Catalyst 2960 24LC S switch are PoE ports See Figure 1 7 Figure 1 5 Catalyst 2960 24PC L Switch Front Panel Figure 1 6 Catalyst 2960 24PC S Switch Front Panel Figure 1 7 Catalyst 2960 24LC S Switch Front Panel 1 10 100 PoE ports 2 Dual purpose ports Catalyst 2960 Series PoE 24 1 2 2X 1X 12X 11X 6 5 8...

Page 17: ...4LT L Catalyst 2960 24TT L and Catalyst 2960 48TT L switches have two 10 100 1000 uplink ports numbered 1 and 2 Ports 1 to 8 on the Catalyst 2960 24LT L switch are PoE ports See Figure 1 10 Figure 1 11 and Figure 1 12 Figure 1 10 Catalyst 2960 24LT L Switch Front Panel Figure 1 11 Catalyst 2960 24TT L Switch Front Panel 1 10 100 ports 2 Dual purpose ports SYST RPS STAT DUPLX SPEED MODE 204606 1 2 ...

Page 18: ...4 on the Catalyst 2960G 24TC L switch and 45 to 48 on the Catalyst 2960G 48TC L switch See Figure 1 15 and Figure 1 16 The Catalyst 2960G 24TC L and Catalyst 2960G 48TC L switches have dual purpose ports meaning ports 21 to 24 or 45 to 48 can use either the SFP module or the RJ 45 connector for that port but not both Use the software to set the connector type for these ports For more information a...

Page 19: ... and a 10 100 1000 uplink port that can receive power from an upstream PoE switch The switch can also receive power from an optional AC power adapter that is connected through the rear panel Figure 1 17 Catalyst 2960PD 8TT L Switch Front Panel 1 10 100 1000 ports 2 Dual purpose ports 204610 SYST RPS STAT DUPLX SPEED MODE 1 2 1 10 100 1000 ports 2 Dual purpose ports 204611 Catalyst 2960 SERIES MODE...

Page 20: ...or more information on the dual purpose port see the Dual Purpose Port section on page 1 13 For more information on the console port see the Console Port section on page 1 21 Figure 1 18 Catalyst 2960 8TC S Switch Front Panel Figure 1 19 Catalyst 2960 8TC L Switch Front Panel Figure 1 20 Catalyst 2960G 8TC L Switch Front Panel 1 Console port 3 Dual purpose port 2 10 100 100 ports SYST STAT DPLX SP...

Page 21: ...onfiguration guide or the switch command reference 10 100 1000 Ports You can set the 10 100 1000 ports to operate at 10 100 or 1000 Mb s in full duplex or half duplex mode You can also set these ports for speed and duplex autonegotiation The default setting is autonegotiate When you set the port for autonegotiation it senses the speed and duplex settings of the attached device and advertises its o...

Page 22: ...iver a maximum power output of approximately 124 W PoE power On a per port basis you can control whether or not a Catalyst 2960 PoE port automatically provides power when an IP phone or an access point is connected The device manager Network Assistant and the CLI provide PoE settings for each 10 100 PoE port Auto When you select the Auto setting the port provides power only if a valid powered devi...

Page 23: ...le Specifications Dual Purpose Port You can configure a dual purpose port as either a 10 100 1000 port or as an SFP module port Each port is considered as a single interface with dual front ends an RJ 45 connector and an SFP module connector The dual front ends are not redundant interfaces The switch activates only one connector of the pair at a time By default the switch dynamically selects the i...

Page 24: ...hrough the GUI management applications Network Assistant for multiple switches and the device manager for a single switch The switch software configuration guide describes how to use the CLI to configure and to monitor individual switches and switch clusters Only the Catalyst 2960 PoE switches have a PoE LED The four Catalyst 2960 8 port switches and these models do not have an RPS connector or an...

Page 25: ...2 lists the LED colors and their meanings 1 SYST LED 5 Speed LED 2 RPS LED 6 PoE LED1 1 The PoE LED is only on the Catalyst 2960 PoE switches 3 Status LED 7 Mode button 4 Duplex LED 8 Port LEDs 204612 SYST RPS STAT DUPLX SPEED PoE MODE 1X 11X 1X 11X 1 2 3 4 5 6 7 8 9 10 11 12 5 6 4 8 1 2 3 7 Table 1 2 System LED Color System Status Off System is not powered on Green System is operating normally Am...

Page 26: ...cted but is unavailable because it is providing power to another device redundancy has been allocated to a neighboring device Amber The RPS is in standby mode or in a fault condition Press the Standby Active button on the RPS and the LED should turn green If it does not the RPS fan could have failed Contact Cisco Systems Blinking amber The internal power supply in a switch has failed and the RPS i...

Page 27: ... STAT port status Off No link or port was administratively shut down Green Link present Blinking green Activity Port is sending or receiving data Alternating green amber Link fault Error frames can affect connectivity and errors such as excessive collisions cyclic redundancy check CRC errors and alignment and jabber errors are monitored for a link fault indication Amber Port is blocked by Spanning...

Page 28: ...is green only when the switch port is providing power Alternating green and amber PoE is denied because providing power to the powered device will exceed the switch power capacity The Catalyst 2960 24PC L 2960 48PST L 2960 48PST S and 2960 24PC S switches provide up to 370 W of power The Catalyst 2960 24LT L and 2960 24LC S switches provide up to 124 W of power Blinking amber PoE is off due to a f...

Page 29: ... Power Supply page 1 20 Cisco RPS page 1 20 Console Port page 1 21 Depending on the Catalyst 2960 switch model the switch can have an RJ 45 console port a fan exhaust an RPS connector and an AC power connector see Figure 1 25 for an example of a Catalyst 2960 rear panel Figure 1 25 Catalyst 2960 Switch Rear Panel 1 RJ 45 console port1 1 The Catalyst 2960 8 port switches have the console port on th...

Page 30: ...RPS N1 Statement 370 Note These Catalyst 2960 switches do not have an RPS connector Catalyst 8 port switches 2960 24 S 2960 24TC S 2960 48TC S 2960 48TT S 2960 48PST S 2960 24PC S and 2960 24LC S switches Note These Catalyst 2960 switches support only the Cisco RPS 2300 Catalyst 2960 24PC L 2960 24LT L and 2960 48PST L switches For complete information about the Cisco RPS products including compat...

Page 31: ... output power is 675 W Console Port You can connect the switch to a PC by means of the console port and the supplied RJ 45 to DB 9 female cable If you want to connect the switch console port to a terminal you need to provide an RJ 45 to DB 25 female DTE adapter You can order a kit part number ACS DSBUASYN containing that adapter from Cisco For console port and adapter pinout information see the Co...

Page 32: ...ng Telnet from a remote management station See the Catalyst 2960 Switch Command Reference on Cisco com for more information For setup instructions that use the CLI go to Appendix C Configuring the Switch with the CLI Based Setup Program CiscoView application The CiscoView device management application displays the switch image that you can use to set configuration parameters and to view switch sta...

Page 33: ... instructions in this chapter for connecting to the switch ports and for installing and connecting to the small form factor pluggable SFP modules apply to all Catalyst 2960 switches including the 8 port switches Read the topics and perform the procedures in this order Preparing for Installation page 2 1 Verifying Switch Operation page 2 5 Installing the Switch page 2 6 Connecting to the 10 100 and...

Page 34: ...t to the terminals Statement 43 Warning Do not stack the chassis on any other equipment If the chassis falls it can cause severe bodily injury and equipment damage Statement 48 Warning Ethernet cables must be shielded when used in a central office environment Statement 171 Warning If a redundant power system RPS is not connected to the switch install an RPS connector cover on the back of the switc...

Page 35: ... must be removed to de energize the unit Statement 1028 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Ultimate disposal of this product should be handled according to all national laws and regulations Statement 1040 Warning For connections outside the building where the equipment is installed the following ports m...

Page 36: ...lowers can draw dust and other particles causing contaminant buildup inside the chassis which can result in a system malfunction You must install this equipment in an environment as free as possible from dust and foreign conductive material such as metal flakes from construction activities These standards provide guidelines for acceptable working environments and acceptable levels of suspended par...

Page 37: ...m other devices that might damage the cables Airflow around the switch and through the vents is unrestricted Temperature around the unit does not exceed 113 F 45 C If the switch is installed in a closed or multirack assembly the temperature around it might be greater than normal room temperature Box Contents The switch getting started guide on Cisco com describes the box contents If any item is mi...

Page 38: ...a shelf as described in the Installing the Switch section on page 2 6 Installing the Switch This section applies to all switches except the Catalyst 8 port switches For information applicable to those switches see Chapter 3 Switch Installation 8 Port Switches This section describes these installation procedures Rack Mounting page 2 6 Wall Mounting page 2 11 Table or Shelf Mounting page 2 14 Rack M...

Page 39: ...can order a kit that contains the 24 inch rack mounting brackets and hardware from Cisco by using part number RCKMNT 1RU Removing Screws from the Switch If you plan to install the switch in a rack you must first remove screws in the switch chassis so that you can attach the mounting brackets Figure 2 1 shows how to remove the chassis screws in a Catalyst 2960 switch Figure 2 1 Removing Screws from...

Page 40: ...nt Panel Forward Figure 2 3 Attaching Brackets for 24 Inch Racks to a Catalyst 2960 Switch Front Panel Forward Figure 2 4 Attaching Brackets for 19 Inch Racks to a Catalyst 2960 Switch Rear Panel Forward 1 Phillips flat head screws SYST RPS STAT DUPLX SPEED MODE 1X 11X 1X 2X 11X 12X 204614 1 1 Phillips flat head screws SYST RPS STAT DUPLX SPEED MODE 1X 11X 1X 2X 11X 12X 204615 1 1 Phillips flat he...

Page 41: ...ng Brackets for 24 Inch Racks to a Catalyst 2960 Switch Rear Panel Forward Figure 2 6 Attaching Brackets for 19 Inch Telco Racks to a Catalyst 2960 Switch Figure 2 7 Attaching Brackets for 24 Inch Telco Racks to a Catalyst 2960 Switch 1 Phillips flat head screws 1 137076 1 Phillips flat head screws 1X 11X 1 204616 1 Phillips flat head screws 1X 11X 204617 1 ...

Page 42: ...ower on the switch See the Verifying Switch Operation section on page 2 5 Connect to a 10 100 or 10 100 1000 port and run Express Setup See the Catalyst 2960 Switch Getting Started Guide for instructions Connect to the front panel ports See the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 14 the Connecting to SFP Modules section on page 2 18 and the Connecting to a Dual Purpose...

Page 43: ...o attach the cable guide to the left or right bracket Figure 2 9 Attaching the Cable Guide on the Catalyst 2960 Switch Wall Mounting This section does not apply to the Catalyst 2960 8 port switches For information applicable to those switches see Chapter 3 Switch Installation 8 Port Switches To install the switch on a wall follow the instructions in these sections Attaching the Brackets to the Swi...

Page 44: ...has an RPS connector and you are not using an RPS with your switch use the two Phillips pan head screws to attach the RPS connector cover to the back of the switch as shown in Figure 2 11 Note The Catalyst 2960 8 port switches and the Catalyst 2960 24 S 2960 24TC S 2960 48TT S and 2960 48TC S switches do not have an RPS connector Warning If an RPS is not connected to the switch install an RPS conn...

Page 45: ...d Mount the switch with the front panel facing up as shown in Figure 2 12 Warning To comply with safety regulations mount the switches on a wall with the front panel facing up Statement 266 Warning If a redundant power system RPS is not connected to the switch install an RPS connector cover on the back of the switch Statement 265 Figure 2 12 Mounting the Switch on a Wall 1 User supplied screws 204...

Page 46: ...ep 2 Place the switch on the table or shelf near an AC power source After the switch is mounted on the table do these tasks to complete the installation Power on the switch See the Verifying Switch Operation section on page 2 5 Connect to a 10 100 or 10 100 1000 port and run Express Setup See the Catalyst 2960 Switch Getting Started Guide for instructions Connect to the front panel ports See the C...

Page 47: ...ed device have established link The port LED is amber while Spanning Tree Protocol STP discovers the topology and searches for loops This can take up to 30 seconds and then the port LED turns green If the port LED does not turn on the device at the other end might not be turned on or there might be a cable problem or a problem with the adapter installed in the attached device See Chapter 4 Trouble...

Page 48: ...e potential damage to the cables the cable connector or the optical interfaces in the SFP module Disconnect all cables before removing or installing an SFP module Removing and installing an SFP module can shorten its useful life Do not remove and insert SFP modules more often than is absolutely necessary Figure 2 14 SFP Module with a Bale Clasp Latch Step 1 Attach an ESD preventive wrist strap to ...

Page 49: ...nnector into the SFP module Removing SFP Modules Step 1 Attach an ESD preventive wrist strap to your wrist and to a bare metal surface on the chassis Step 2 Disconnect the LC connector from the SFP module Tip For reattachment note which cable connector plug is send TX and which is receive RX Step 3 Insert a dust plug into the optical ports of the SFP module to keep the optical interfaces clean Ste...

Page 50: ...T SFP Modules section For instructions about how to install or remove an SFP module see the Installing and Removing SFP Modules section on page 2 15 For instructions on how to connect to a dual purpose port see the Connecting to a Dual Purpose Port section on page 2 20 Connecting to Fiber Optic SFP Modules Warning Class 1 laser product Statement 1008 Caution Do not remove the rubber plugs from the...

Page 51: ...takes about 30 seconds and then the port LED turns green If the LED is off the target device might not be turned on there might be a cable problem or there might be problem with the adapter installed in the target device See Chapter 4 Troubleshooting for solutions to cabling problems Step 5 If necessary reconfigure and restart the switch or target device Connecting to 1000BASE T SFP Modules Cautio...

Page 52: ...there might be problem with the adapter installed in the target device See Chapter 4 Troubleshooting for solutions to cabling problems Step 4 If necessary reconfigure and restart the switch or target device Connecting to a Dual Purpose Port You can configure the dual purpose port as either a 10 100 1000 port or as an SFP module port For a detailed description of this port see the Dual Purpose Port...

Page 53: ...management options to change the default configuration Start the device manager which is in the switch memory to manage individual switches The device manager 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 device manager online help Start the Network As...

Page 54: ...2 22 Catalyst 2960 Switch Hardware Installation Guide OL 7075 09 Chapter 2 Switch Installation 24 and 48 Port Switches Where to Go Next ...

Page 55: ...aring for Installation page 3 1 Verifying Switch Operation page 3 5 Installing the Switch page 3 5 Where to Go Next page 3 18 For information about connecting to the switch see Chapter 2 Switch Installation 24 and 48 Port Switches Preparing for Installation This section covers these topics Warnings page 3 1 Installation Guidelines page 3 3 Equipment That You Supply page 3 4 Box Contents page 3 5 T...

Page 56: ...0950 compliant limited power source Statement 353 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Statement 1001 Warning Read the installation instructions before connecting the system to the power source Statement 1004 Warning Class 1 laser product Statement 1008 Warning The plug socket combination must be accessible at all times because it s...

Page 57: ...al and national electrical codes Statement 1074 Installation Guidelines This section is specific to the Catalyst 2960 8 port switches For information applicable to the other Catalyst 2960 switches see Chapter 2 Switch Installation 24 and 48 Port Switches When you determine where to place the switch be sure to observe these requirements The operating environment must be within the ranges listed in ...

Page 58: ...er lengths of single mode fiber optic cable you might need to insert an inline optical attenuator in the link to avoid overloading the receiver When the fiber optic cable span is less than 15 43 miles 25 km you should insert a 5 decibel dB or 10 dB inline optical attenuator between the fiber optic cable plant and the receiving port on the 1000BASE ZX SFP module at each end of the link Equipment Th...

Page 59: ... through a 10 100 1000 uplink port which can receive power from an upstream PoE switch You can also connect the switch to an AC power adapter on the rear panel See the Power Input Port Catalyst 2960PD 8TT L Switch section on page 1 13 for more information As the switch powers on it begins the POST a series of tests that runs automatically to ensure that the switch functions properly LEDs can blink...

Page 60: ...mmend that you attach the rubber feet Doing so helps prevent airflow restriction and overheating Step 3 Place the switch on the desk or shelf Note We strongly recommend that you allow at least 3 inches 7 6 cm of clearance around the ventilation openings to prevent airflow restriction and overheating Do not stack switches or place switches side by side unless they are separated on all sides by at l...

Page 61: ...te Wait before you attach the screw template to the desk or shelf Figure 3 1 Installing the Mounting Screws on Top of a Desk or Shelf Step 3 Peel the adhesive strip off the bottom of the screw template and attach it to the top of the desk or shelf 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 three screw template slots Step 5 Insert three screws in the sl...

Page 62: ...x C Configuring the Switch with the CLI Based Setup Program Under the Desk or Shelf Mounting with Mounting Screws This section is specific to the Catalyst 2960 8 port switches For information applicable to the other Catalyst 2960 switches see Chapter 2 Switch Installation 24 and 48 Port Switches Step 1 Locate the screw template The template is used to align the mounting screw holes and is also use...

Page 63: ...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 or shelf Step 7 Place the switch onto the mounting screws and slide the switch forward until it locks in place as shown in Figure 3 4 Note We strongly recommend that you allow at least 3 inches 7 6 cm of clearance around the ventilatio...

Page 64: ... run Express Setup See the switch getting started guide for instructions 3 Connect to the front panel ports See the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 14 the Connecting to SFP Modules section on page 2 18 and the Connecting to a Dual Purpose Port section on page 2 20 to complete the installation For configuration instructions about using the CLI setup program go to Ap...

Page 65: ...e correct procedures could result in a hazardous situation to people and damage to the system Statement 378 Note Do not wall mount the switch with its front panel facing up or sideways According to safety regulations wall mount the switch with its front panel facing down to prevent airflow restriction and to provide easier access to the cables Follow the steps in this section to install the switch...

Page 66: ... 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 Step 8 Place the switch onto the mounting screws and slide it down until it locks in place as shown in Figure 3 6 1 Wall 3 Screw template 2 Screws CABL...

Page 67: ...a 10 100 or 10 100 1000 port and run Express Setup See the switch getting started guide for instructions 3 Connect to the front panel ports See the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 14 the Connecting to SFP Modules section on page 2 18 and the Connecting to a Dual Purpose Port section on page 2 20 to complete the installation For configuration instructions about usin...

Page 68: ...g magnet do these tasks to complete the installation 1 Power on the switch See the Verifying Switch Operation section on page 3 5 2 Connect to a 10 100 or 10 100 1000 port and run Express Setup See the switch getting started guide for instructions 3 Connect to the front panel ports See the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 14 the Connecting to SFP Modules section on ...

Page 69: ...ch Rack page 3 16 Attaching Brackets to the Switch Figure 3 8 shows how to attach a 19 inch bracket to one side of the switch Follow the same steps to attach the second bracket to the opposite side Figure 3 8 Attaching the 19 inch Brackets for Rack Mounting Warning To prevent bodily injury when mounting or servicing this unit in a rack you must take special precautions to ensure that the system re...

Page 70: ...ng started guide for instructions 3 Connect to the front panel ports See the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 14 the Connecting to SFP Modules section on page 2 18 and the Connecting to a Dual Purpose Port section on page 2 20 to complete the installation For configuration instructions about using the CLI setup program go to Appendix C Configuring the Switch with th...

Page 71: ... to a firmly attached plywood mounting backboard Do not wall mount the switch with its front panel facing up or sideways according to safety regulations Wall mount the switch with its front panel facing down to prevent airflow restriction and to provide easier access to the cables Figure 3 10 Mounting the Switch on a Wall After the switch is mounted on the wall do these tasks to complete the insta...

Page 72: ...anager is a 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 device manager online help Start the Network Assistant application which is described in the Getting Started with Cisco Network Assistant guide Through this GUI you can configure and monitor a switch cluster or a...

Page 73: ...e with your SNMP application for details This chapter describes these topics for troubleshooting problems Diagnosing Problems page 4 1 Clearing the Switch IP Address and Configuration page 4 5 Locating the Switch Serial Number page 4 6 Diagnosing Problems The LEDs on the front panel provide troubleshooting information about the switch They show POST failures port connectivity problems and overall ...

Page 74: ...eview these sections when troubleshooting switch connectivity problems Bad or Damaged Cable page 4 2 Ethernet and Fiber Cables page 4 3 Link Status page 4 3 Transceiver Module Port Issues page 4 3 Port and Interface Settings page 4 4 Ping the End Device page 4 4 Spanning Tree Loops page 4 4 Bad or Damaged Cable Always look at the cable for marginal damage or failure A cable might connect at the ph...

Page 75: ...le might have encountered physical stress that causes it to function at a marginal level If the link light for the port does not come on Connect the cable from the switch to a known good device Make sure that both ends of the cable are connected to the correct ports Verify that both devices have power Verify that you are using the correct cable type See Appendix B Connector and Cable Specification...

Page 76: ... received by its neighbor but the switch does not receive the traffic that is sent from the neighbor A broken fiber optic cable other cabling or a port issue could cause this one way communication You can enable the UniDirectional Link Detection UDLD protocol on the switch to help identify difficult to find unidirectional link problems UDLD supports a normal mode of operation the default and an ag...

Page 77: ...tiation issues occur To troubleshoot autonegotiation problems try to manually set both sides of the connection If this does not solve the problem the firmware or software on your NIC card might be causing the problem Upgrade the NIC card driver to the latest version available from the manufacturer Cabling Distance If the port statistics show excessive FCS late collision or alignment errors verify ...

Page 78: ...g the Switch Serial Number If you contact Cisco Technical Assistance you need to know the serial number of your switch See Figure 4 1 through Figure 4 3 to locate the serial number on your switch You can also use the show version command to get the serial number Figure 4 1 Serial Number Location on the Catalyst 2960 24PC L 2960 24LT L 2960 48PST L 2960 24TC S 2960 48TC S 2960 24TT L 2960 48TT S 29...

Page 79: ...lation Guide OL 7075 09 Chapter 4 Troubleshooting Locating the Switch Serial Number Figure 4 3 Serial Number Location on the Catalyst 2960 8TC L Catalyst 2960G 8TC L Catalyst 2960 8TC S and Catalyst 2960PD 8TT L Switches 200186 SN XXXNNNNXXXX ...

Page 80: ...4 8 Catalyst 2960 Switch Hardware Installation Guide OL 7075 09 Chapter 4 Troubleshooting Locating the Switch Serial Number ...

Page 81: ...ns Table A 5 on page A 3 Catalyst 2960 48TC L 2960 48TT S and 2960 48TT L Switch Specifications Table A 6 on page A 3 Catalyst 2960G 24TC L and Catalyst 2960G 48TC L Switch Specifications Table A 7 on page A 4 Catalyst 2960 8TC L 2960G 8TC L 2960 8TC S and 2960PD 8TT L Switch Specifications Table A 8 on page A 5 Catalyst 2960 48PST S 2960 24PC S and 2960 24LC S Switch Specifications Table A 1 Envi...

Page 82: ...e switch input power 100 to 240 VAC autoranging 8 to 4 A 50 to 60 Hz Catalyst 2960 24PC L 3 to 1 5 A 50 to 60 Hz Catalyst 2960 24LT L 5 to 2 A 50 to 60 Hz Catalyst 2960 48PST L 12 V 11 25 A 48 V 7 8 A Catalyst 2960 24PC L 12 V 8 3 A 48 V 2 7A Catalyst 2960 24LT L 12 V 4 A 48 V 7 8A Catalyst 2960 48PST L 100 W 341 BTUs per hour Catalyst 2960 24PC L 51 W 174 BTUs per hour Catalyst 2960 24LT L 483 W ...

Page 83: ...input voltage for RPS 675 Power consumption Power rating 100 to 240 VAC autoranging 1 3 to 0 8 A 50 to 60 Hz 12 V 5 A 12 V 5 A 45 W 154 BTUs per hour 0 075 KVA Physical Dimensions Weight Dimensions H x D x W 8 lb 3 63 kg 1 73 x 9 3 x 17 5 in 4 39 x 23 62 x 44 45 cm Table A 6 Catalyst 2960G 24TC L and Catalyst 2960G 48TC L Switch Specifications Power Requirements AC input voltage DC input voltage f...

Page 84: ...atalyst 2960PD 8TT L 20 W 68 BTUs per hour Catalyst 2960 8TC L and Catalyst 2960 8TC S 30 W 102 BTUs per hour Catalyst 2960G 8TC L 11 W 38 BTUs per hour Catalyst 2960PD 8TT L1 0 035 KVA Catalyst 2960 8TC L Catalyst 2960 8TC S and Catalyst 2960PD 8TT L 0 05 KVA Catalyst 2960G 8TC L 11 W Catalyst 2960PD 8TT L 1 The power consumption for the Catalyst 2960PD 8TT L switch is for the switch system and d...

Page 85: ...alyst 2960 48PST S Power consumption1 1 The power consumption values are for the switch input power 100 W 341 BTUs per hour Catalyst 2960 24PC S 51 W 174 BTUs per hour Catalyst 2960 24LC S 483 W 1647 BTUs per hour Catalyst 2960 48PST S Power rating 0 470 KVA Catalyst 2960 24PC S 0 175 KVA Catalyst 2960 24LC S 0 5 KVA Catalyst 2960 48PST S Power over Ethernet 15 4 W per port maximum 370 W switch ma...

Page 86: ...A 6 Catalyst 2960 Switch Hardware Installation Guide OL 7075 09 Appendix A Technical Specifications ...

Page 87: ...onsole Port page B 4 10 100 1000 Ports The 10 100 1000 Ethernet ports on the Catalyst 2960 switch use standard RJ 45 connectors Figure B 1 shows the pinout Note The auto MDIX feature is enabled by default For configuration information for this feature see the switch software configuration guide or the switch command reference Connecting to 10BASE T and 100BASE TX Compatible Devices When connecting...

Page 88: ...0BASE T devices such as servers workstations and routers you must use a four twisted pair Category 5 straight through cable wired for 10BASE T 100BASE TX and 1000BASE T Figure B 7 shows the straight through cable schematics When connecting the ports to other devices such as switches or repeaters you must use a four twisted pair Category 5 or higher crossover cable Figure B 8 shows the crossover ca...

Page 89: ...are into beams or view directly with optical instruments Figure B 3 Copper SFP Module RJ 45 Connector Dual Purpose Ports The Ethernet port on a dual purpose port uses standard RJ 45 connectors Figure B 4 shows the pinouts The SFP module slot on a dual purpose port uses SFP modules for fiber optic and copper uplink ports See the Catalyst 2960 switch release notes for a list of supported SFP modules...

Page 90: ...rmation see Table B 2 and Table B 3 Cable and Adapter Specifications These sections describe the cables and adapters used with Catalyst 2960 switches SFP Module Cable Specifications page B 4 Two Twisted Pair Cable Pinouts page B 6 Four Twisted Pair Cable Pinouts for 1000BASE T Ports page B 6 Crossover Cable and Adapter Pinouts page B 7 SFP Module Cable Specifications Table B 1 lists the cable spec...

Page 91: ... MM 850 MMF 62 5 125 62 5 125 50 125 50 125 160 200 400 500 722 feet 220 m 902 feet 275 m 1640 feet 500 m 1804 feet 550 m 1000BASE LX LH GLC LH SM 1310 MMF3 SMF 3 A mode conditioning patch cord is required Using an ordinary patch cord with MMF 1000BASE LX LH SFP modules and a short link distance can cause transceiver saturation resulting in an elevated bit error rate BER When using the LX LH SFP m...

Page 92: ...atic Figure B 6 Two Twisted Pair Crossover Cable Schematic Four Twisted Pair Cable Pinouts for 1000BASE T Ports Figure B 7 and Figure B 8 show the schematics of four twisted pair cables for 10 100 1000 ports on Catalyst 2960 switches Figure B 7 Four Twisted Pair Straight Through Cable Schematic for 10 100 1000 Ports Switch 3 TD 6 TD 1 RD 2 RD Router or PC 3 RD 6 RD 1 TD 2 TD H5578 Switch 3 TD 6 TD...

Page 93: ...sover Cable To identify a crossover cable compare the two modular ends of the cable Hold the cable ends side by side with the tab at the back The wire connected to the pin on the outside of the left plug should be a different color from the wire connected to the pin on the inside of the right plug See Figure B 9 Figure B 9 Identifying a Crossover Cable 1 TP0 2 TP0 3 TP1 6 TP1 1 TP0 Switch Switch 2...

Page 94: ...25 female DTE adapter is not supplied with the switch You can order a kit part number ACS DSBUASYN containing this adapter from Cisco Table B 2 Console Port Signaling Using a DB 9 Adapter Switch Console Port DTE RJ 45 to DB 9 Terminal Adapter Console Device Signal DB 9 Pin Signal RTS 8 CTS DTR 6 DSR TxD 2 RxD GND 5 GND GND 5 GND RxD 3 TxD DSR 4 DTR CTS 7 RTS Table B 3 Console Port Signaling Using ...

Page 95: ...ing to the Console Port page C 3 3 Starting the Terminal Emulation Software page C 3 4 Connecting to a Power Source page C 4 5 Entering the Initial Configuration Information page C 4 Accessing the CLI For an unconfigured switch you can access the CLI through Express Setup or through the console port Accessing the CLI Through Express Setup You can access the CLI on an unconfigured switch by placing...

Page 96: ... can access the CLI on a configured or unconfigured switch by connecting the console port of the switch to the serial port on your PC or workstation and accessing the switch through a Telnet session To access the switch through the console port follow these steps Connecting to the Console Port page C 3 Starting the Terminal Emulation Software page C 3 Connecting to a Power Source page C 4 Entering...

Page 97: ...Figure C 1 Figure C 1 Connecting a Switch to a PC Step 2 Attach the DB 9 female DTE of the adapter cable to a PC serial port or attach an appropriate adapter to the terminal Starting the Terminal Emulation Software Before you power on the switch start the terminal emulation session so that you can see the output display from the power on self test POST The terminal emulation software frequently a ...

Page 98: ... the switch begins POST the System RPS Status Duplex and Speed LEDs turn green The System LED blinks green and the other LEDs remain solid green When the POST completes successfully the System LED remains green The RPS LED remains green for some time and then reflects the switch operating status The other LEDs turn off and then reflect the switch operating status If a switch fails POST the System ...

Page 99: ...or management of the system extended setup will ask you to configure each interface on the system Would you like to enter basic management setup yes no yes Step 2 Enter a host name for the switch and press Return On a command switch the host name is limited to 28 characters on a member switch to 31 characters Do not use n where n is a number as the last character in a host name for any switch Ente...

Page 100: ... 106 Subnet mask for this interface 255 0 0 0 255 0 0 0 Step 9 Enter Y to configure the switch as the cluster command switch Enter N to configure it as a member switch or as a standalone switch If you enter N the switch appears as a candidate switch in the Network Assistant GUI You can configure the switch as a command switch later through the CLI the device manager or the Network Assistant applic...

Page 101: ...lete the setup program the switch can run the default configuration that you created If you want to change this configuration or want to perform other management tasks use one of these tools Command line interface CLI Network Assistant for one or more switches To use the CLI enter commands at the Switch prompt through the console port by using a terminal emulation program or through the network by...

Page 102: ...C 8 Catalyst 2960 Switch Hardware Installation Guide OL 7075 09 Appendix C Configuring the Switch with the CLI Based Setup Program Entering the Initial Configuration Information ...

Page 103: ...2 2 6 auto MDIX 1 11 2 15 2 20 B 1 B 3 C 2 autonegotiation 1 11 autonegotiation troubleshooting 4 4 B bodily injury prevention warning 2 2 3 2 bodily injury warning 2 3 2 6 3 2 3 15 brackets See mounting brackets C cable guard 1 19 3 4 cable guide attaching 2 11 cable lengths 2 4 3 3 cable lock 3 4 cables crossover four twisted pair pinout 1000BASE T ports B 7 identifying B 7 two twisted pair pino...

Page 104: ...bed 1 21 specifications B 4 to B 8 crossover cable B 7 crossover cable connecting to 1000BASE T SFP module ports 2 19 crossover cable pinout four twisted pair 1000BASE T ports B 7 D DC power RPS 1 3 descriptions of switch models 1 1 desk mounting 2 14 3 6 device manager described 1 22 to configure switch 2 21 3 18 diagnosing problems 4 1 disconnecting device warning 2 3 dual purpose ports connecto...

Page 105: ...C 3 See also procedures installation instructions warning 2 2 3 2 installing SFP modules 2 16 to 2 17 internal power supply 1 20 J jewelry removal warning 2 2 3 2 L LEDs color meanings 1 17 dual purpose port 1 18 duplex 1 16 front panel 1 15 interpreting 1 17 PoE 1 16 1 18 port mode 1 16 1 17 POST results 2 6 3 5 4 2 C 4 RPS 1 16 speed 1 16 STATUS 1 16 system 1 15 troubleshooting with 4 1 to 4 2 l...

Page 106: ... 1 8 POST LEDs 2 6 3 5 4 2 C 4 results 2 6 3 5 4 1 C 4 running at power on 2 6 3 5 4 2 power connecting to 2 5 3 5 connectors 1 19 1 20 power on 2 5 3 5 power on self test See POST Power over Ethernet See PoE Power over Ethernet See PoE power supply AC power outlet 1 20 for the Catalyst 2960PD 8TT L switch 1 13 internal 1 20 RPS connector 1 20 power supply warning 2 3 3 3 procedures connection 2 1...

Page 107: ...erminal emulation software C 3 trained and qualified personnel warning 2 3 troubleshooting 4 1 to 4 6 bad or damaged cable 4 2 connection problems 4 2 diagnosing problems 4 1 Ethernet and fiber optic cables 4 3 link status 4 3 ping end device 4 4 port and interface settings 4 4 POST 4 1 spanning tree loops 4 4 speed duplex and autonegotiation 4 4 switch performance 4 4 troubleshooting spanning tre...

Page 108: ...atalyst 2960 Switch Hardware Installation Guide OL 7075 09 read the wall mounting instructions 2 2 3 11 3 17 restricted access area 2 3 RPS 2 2 2 13 stacking the chassis 2 2 3 2 trained and qualified personnel 2 3 ...

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