Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware
Installation Guide
First Published: 2016-09-28
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CONTENTS
Preface
Preface vii
Document Conventions vii
Related Documentation ix
Obtaining Documentation and Submitting a Service Request ix
CHAPTER 1
Product Overview 1
Switch Models 1
Front Panel 2
PoE Ports 3
10/100/1000 Ports 4
Console Ports 4
USB Type A Port 5
SFP Module Slots 5
LEDs 6
System LED 7
Modes for Port LEDs 7
PoE LED 7
Console LEDs 8
Port LEDs 8
Rear Panel 8
Internal Power Supply 10
Security Slot 10
Network Configurations 11
CHAPTER 2
Switch Installation 13
Safety Warnings 13
Box Contents 16
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Tools and Equipment 17
Installation Guidelines 17
Verifying Switch Operation 18
Installing the Switch 18
Rack-Mounting 18
Attaching the Rack-Mount Brackets 20
Mounting a 24-Port or 48-Port Switch in a Rack 21
Wall-Mounting 22
Attaching the Brackets for Wall-Mounting 23
Mounting on a Wall 23
Installing the Switch on a Table or Shelf 25
After Switch Installation 25
Installing the Power Cord Retainer (Optional) 25
Installing SFP Modules 28
Installing an SFP Module 28
Removing an SFP Module 30
Connecting to SFP Modules 30
Connecting to Fiber-Optic SFP Modules 30
Connecting to 1000BASE-T SFP 31
10/100/1000 PoE and PoE+Port Connections 33
10/100/1000 Port Connections 34
Auto-MDIX Connections 34
CHAPTER 3
Troubleshooting 35
Diagnosing Problems 35
Switch POST Results 35
Switch LEDs 35
Switch Connections 35
Bad or Damaged Cable 35
Ethernet and Fiber-Optic Cables 36
Link Status 36
10/100/1000 Port Connections 36
10/100/1000 PoE+ Port Connections 37
SFP Module 37
Interface Settings 37
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Contents
Ping End Device 38
Spanning Tree Loops 38
Switch Performance 38
Speed, Duplex, and Autonegotiation 38
Autonegotiation and Network Interface Cards 38
Cabling Distance 39
Finding the Switch Serial Number 39
APPENDIX A
Technical Specifications 41
Physical Specifications 41
Environmental Specifications 42
Power Requirements 42
PoE Power Consumption 43
APPENDIX B
Connector and Cable Specifications 45
Connector Specifications 45
10/100/1000 Ports (Including PoE) 45
SFP Module Connectors 46
Cables and Adapters 46
SFP Module Cables 46
Cable Pinouts 48
Console Port Adapter Pinouts 49
APPENDIX C
Configuring the Switch 51
Configuring the Switch Using the Configuration Setup Wizard 51
Quick Setup: Accessing the Configuration Setup Wizard 51
Completing the Configuration Setup Wizard 52
Configuring the Switch Using the CLI 52
Accessing the CLI Through the Console Port 52
Connecting the RJ-45 Console Port 53
Connecting the USB Console Port 53
Installing the Cisco Microsoft Windows USB Device Driver 54
Installing the Cisco Microsoft Windows XP USB Driver 54
Installing the Cisco Microsoft Windows 2000 USB Driver 54
Installing the Cisco Microsoft Windows Vista and Windows 7 USB Driver 55
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Contents
Uninstalling the Cisco Microsoft Windows USB Driver 55
Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver 55
Using the Setup.exe Program 55
Using the Add or Remove Programs Utility 56
Uninstalling the Cisco Microsoft Windows Vista and Windows 7 USB Driver 56
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Contents
Preface
Document Conventions, page vii
Related Documentation, page ix
Obtaining Documentation and Submitting a Service Request, page ix
Document Conventions
This document uses the following conventions:
DescriptionConvention
Both the ^symbol and Ctrl represent the Control (Ctrl) key on a keyboard. For
example, the key combination ^D or Ctrl-D means that you hold down the Control
key while you press the D key. (Keys are indicated in capital letters but are not
case sensitive.)
^ or Ctrl
Commands and keywords and user-entered text appear in bold font.bold font
Document titles, new or emphasized terms, and arguments for which you supply
values are in italic font.
Italic font
Terminal sessions and information the system displays appear in courier font.Courier font
Bold Courier font indicates text that the user must enter.Bold Courier font
Elements in square brackets are optional.[x]
An ellipsis (three consecutive nonbolded periods without spaces) after a syntax
element indicates that the element can be repeated.
...
A vertical line, called a pipe, indicates a choice within a set of keywords or
arguments.
|
Optional alternative keywords are grouped in brackets and separated by vertical
bars.
[x | y]
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
vii
DescriptionConvention
Required alternative keywords are grouped in braces and separated by vertical
bars.
{x | y}
Nested set of square brackets or braces indicate optional or required choices
within optional or required elements. Braces and a vertical bar within square
brackets indicate a required choice within an optional element.
[x {y | z}]
A nonquoted set of characters. Do not use quotation marks around the string or
the string will include the quotation marks.
string
Nonprinting characters such as passwords are in angle brackets.< >
Default responses to system prompts are in square brackets.[ ]
An exclamation point (!) or a pound sign (#) at the beginning of a line of code
indicates a comment line.
!, #
Reader Alert Conventions
This document may use the following conventions for reader alerts:
Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Note
Means the following information will help you solve a problem.
Tip
Means reader be careful. In this situation, you might do something that could result in equipment damage
or loss of data.
Caution
Means the described action saves time. You can save time by performing the action described in the
paragraph.
Timesaver
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with
standard practices for preventing accidents. Use the statement number provided at the end of each warning
to locate its translation in the translated safety warnings that accompanied this device. Statement 1071
SAVE THESE INSTRUCTIONS
Warning
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
viii
Preface
Document Conventions
Related Documentation
Before installing or upgrading the switch, refer to the switch release notes.Note
Cisco Validated Designs documents, located at:
http://www.cisco.com/go/designzone
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 all new and revised Cisco
technical documentation, at:
http://www.cisco.com/c/en/us/td/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS version 2.0.
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Preface
Related Documentation
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
x
Preface
Obtaining Documentation and Submitting a Service Request
CHAPTER 1
Product Overview
The Cisco Catalyst 2960-L Series switches are fixed-configuration, Gigabit Ethernet switches that provide
entry-level enterprise-class Layer 2 access for branch offices, conventional workspace, and out-of-wiring
closet applications.
Cisco Catalyst 2960-L Series switches provide support for the following features:
8, 16, 24 or 48 Gigabit Ethernet ports with line-rate forwarding performance
Two or four Gigabit Small Form-Factor Pluggable (SFP) uplinks
Power over Ethernet Plus (PoE+) support with up to 370W of PoE budget and Persistent PoE
Fanless operation with operational temperature up to 45°C for deployment outside the wiring closet
Reduced power consumption and advanced energy management
RJ-45 and USB Mini-Type B console ports
USB Type A port supports file system
Switch Models, page 1
Front Panel, page 2
Rear Panel, page 8
Network Configurations, page 11
Switch Models
Table 1: Cisco Catalyst 2960-L 24-Port and 48-Port Switch Models and Description
DescriptionSoftware
Image
Switch Model
24 10/100/1000 Ethernet ports; four 1-Gigabit Ethernet small form-factor
pluggable (SFP) module uplink slots
Lan LiteWS-C2960L-24TS-LL
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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DescriptionSoftware
Image
Switch Model
24 10/100/1000 Power over Ethernet plus (PoE+) ports (PoE budget of
195W); four 1-Gigabit Ethernet small form-factor pluggable (SFP) module
uplink slots
Lan LiteWS-C2960L-24PS-LL
48 10/100/1000 Ethernet ports; four 1-Gigabit Ethernet small form-factor
pluggable (SFP) module uplink slots
Lan LiteWS-C2960L-48TS-LL
48 10/100/1000 Power over Ethernet plus (PoE+) ports (PoE budget of
370W); four 1-Gigabit Ethernet small form-factor pluggable (SFP) module
uplink slots
Lan LiteWS-C2960L-48PS-LL
Front Panel
This section describes the front panel components of a 24-port and 48-port Cisco Catalyst 2960-L switch.
24 or 48 downlink ports of one of these types:
10/100/1000
10/100/1000 PoE+
SFP ports
USB Type A connectors
USB mini-Type B (console) port
RJ-45 console port
LEDs
Mode button
Figure 1: Front Panel of a 24-Port Cisco Catalyst 2960-L PoE Switch
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
Front Panel
USB mini-Type B (console) port5Mode button1
RJ-45 console port6Switch LEDs2
SFP module slots7USB Type A port3
24 10/100/1000 PoE+ ports
The yellow color marking around the ports
indicates that the switch is a PoE switch.
Note
4
Figure 2: Front Panel of a 48-Port Cisco Catalyst 2960-L PoE Switch
USB mini-Type B (console) port5Mode button1
RJ-45 console port6Switch LEDs2
SFP module slots7USB Type A port3
48 10/100/1000 PoE+ ports
The yellow color marking around the
ports indicates that the switch is a PoE
switch.
Note
4
PoE Ports
The ports provide PoE support for devices compliant with IEEE 802.3af and IEEE 802.3at and also provide
PoE support for Cisco IP Phones and Cisco Aironet Access Points. The PoE switch ports are Power Source
equipment (PSE) and Power Device (PD) capable and source power to PD devices connected to the downlink
ports. A switch can source POE power of up to 30.8W per port.
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
PoE Ports
Depending on the switch model and the number of PoE ports, the maximum switch power output varies
between 236.89 W to 440.66 W. On a per-port basis, you can control whether or not a port automatically
provides power when an IP phone or an access point is connected.
The PoE ports use RJ-45 connectors with Ethernet pinouts. The 10BASE-T, 100BASE-TX, 1000BASE-T
traffic requires Category 5 or Category 5e twisted pair (UTP) cable. The 10BASE-T traffic can use Category 3
or Category 4 UTP cable.
10/100/1000 Ports
The 10/100/1000 ports use RJ-45 connectors with Ethernet pinouts. The maximum cable length is 328 feet
(100 meters). The 10BASE-T, 100BASE-TX, 1000BASE-T traffic requires Category 5 or Category 5e twisted
pair (UTP) cable. The 10BASE-T traffic can use Category 3 or Category 4 UTP cable.
Console Ports
The console ports connect the switch to a PC running Microsoft Windows or to a terminal server.
RJ-45 console port (EIA/TIA-232). The RJ-45 console port connection uses an RJ-45-to-DB-9 female
cable.
USB mini-Type B console port (5-pin connector).
If you use the USB mini-Type B console port, the Cisco Windows USB device driver must be installed on
any PC connected to the console port (for operation with Microsoft Windows). Mac OS X or Linux do not
require special drivers.
The 4-pin mini-Type B connector resembles the 5-pin mini-Type B connectors. They are not compatible. Use
only the 5-pin mini-Type B.
This illustration shows a 5-pin mini-Type B USB port.
Figure 3: USB Mini-Type B Port
With the Cisco Windows USB device driver, you can connect and disconnect the USB cable from the console
port without affecting Windows HyperTerminal operations.
The console output always goes to both the RJ-45 and the USB console connectors, but the console input is
active on only one of the console connectors at any one time. The USB console takes precedence over the
RJ-45 console. When a cable is connected into the USB console port, the RJ-45 console port becomes inactive.
Conversely, when the USB cable is disconnected from the USB console port, the RJ-45 port becomes active.
You can use the command-line interface (CLI) to configure an inactivity timeout which reactivates the RJ-45
console if the USB console has been activated and no input activity has occurred on the USB console for a
specified time.
After the USB console deactivates due to inactivity, you cannot use the CLI to reactivate it. Disconnect and
reconnect the USB cable to reactivate the USB console. For information on using the CLI to configure the
USB console interface, see the software guide.
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
10/100/1000 Ports
USB Type A Port
The USB Type A port provides access to external USB flash devices (also known as thumb drives or USB
keys).
The port supports Cisco USB flash drives with capacities from 128 MB to 8 GB (USB devices with port
densities of 128 MB, 256 MB, 1 GB, 4 GB, and 8 GB are supported). Cisco IOS software provides standard
file system access to the flash device: read, write, erase, and copy, as well as the ability to format the flash
device with a FAT file system.
SFP Module Slots
The switch has four 1-Gigabit SFP module slots. The SFP slots support only the SFP modules.
For Cisco SFP modules documentation, including compatibility matrixes, refer to this URL: http://
www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
USB Type A Port
LEDs
You can use the switch system and port LEDs to monitor switch activity and performance.
Figure 4: Switch LEDs
PoE LED 1
4SYST LED (system)1
Console LED5STAT LED (status)2
Port LEDs6SPEED LED3
1Only on switch models that support PoE.
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
LEDs
System LED
System StatusColor
System is not powered on.Off
System is operating normally.Green
System is receiving power but is not operating
properly.
Amber
POST is in progress.Blinking Green
Modes for Port LEDs
The port LEDs, as a group or individually, display information about the switch and about the individual
ports.
DescriptionPort ModeLED
The port status. This is the default mode.Port statusSTAT
The port operating speed: 10, 100, or 1000
Mb/s.
Port speedSPEED
The PoE status.PoE port powerPoE
PoE LED
Even if the PoE mode is not selected, the LED shows PoE problems when they are detected. The PoE LED
is only on the switches that support PoE.
DescriptionColor
PoE mode is not selected.Off
PoE mode is selected. Ports are functioning correctly.Green
PoE mode is not selected
At least one of the 10/100 or 10/100/100 PoE ports has been denied
power
At least one of the ports has a PoE fault
Blinking amber
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
LEDs
Console LEDs
The console LEDs show which console port is in use.
If you connect a cable to a console port, the switch automatically uses that port for console communication.
If you connect two console cables, the USB-mini console port has priority.
DescriptionColorLED
USB-mini console port is active.GreenUSB-mini console port
Port is not active.
RJ-45 console port is active.
Off
Port LEDs
RJ-45 ports and SFP-module slots have port LEDs. These LEDs, as a group or individually, provide information
about the switch and about the individual ports.
DescriptionLED Color
No link or port was administratively shut down.Off
Link present but is not sending or receiving data.Green
Activity. Port is sending or receiving data.
Currently this is not supported for SFP
ports.
Note
Blinking green
Link fault. Error frames can affect connectivity, and errors such as
excessive collisions, CRC errors, and alignment and jabber errors are
monitored for link faults.
Currently this is not supported for SFP
ports.
Note
Alternating green-amber
Port is blocked by Spanning Tree Protocol (STP) and is not forwarding
data. After a port is reconfigured, the port LED is amber for up to 30
seconds as STP searches for loops.
Currently this is not supported for SFP
ports.
Note
Amber
Rear Panel
A security slot
An AC power connector
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
Rear Panel
A loop (for the optional power cord retainer)
Heat sink fins (PoE models only)
Figure 5: Rear Panel of a Non-PoE Switch
A loop (for the optional power cord
retainer)
3Security Slot1
An AC power connector2
Figure 6: Rear Panel of a PoE Switch
A loop (for the optional power cord
retainer)
3Security Slot1
Heat sink fins4An AC power connector2
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
Rear Panel
Internal Power Supply
All the switches are powered through their internal power supplies. The internal power supply is an autoranging
unit that supports input voltages between 100 and 240 VAC (max of 90V to 264V). The AC frequency range
of the power supply is 50Hz~60Hz. Plug the AC power cord into the AC power connector and into an AC
power outlet.
Security Slot
The switches have security slots on the rear panel. You can install an optional cable lock, such as the type
that is used to secure a laptop computer, to secure the switch.
Figure 7: Switch Rear Panel
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
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Product Overview
Internal Power Supply
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