Americas Headquarters
Catalyst 3750 Switch Hardware Installation Guide
February
Cisco Systems, Inc 170 West Tasman Drive San Jose, CA
Turn the television or radio antenna until the interference stops
Gigabit Ethernet Switch Front Panel Descriptions
Fast Ethernet Front Panel Switches
Features
C O N T E N T S
Network Configurations
Preparing for Installation
Powering On the Switch and Running POST
Installation Guidelines
Troubleshooting
Installing and Removing SFP Modules
Where to Go Next
Port and Interface Settings
Technical Specifications
Entering the Initial Configuration Information D-7
IP Settings
Cable and Adapter Specifications
Purpose
Preface
Audience
Organization
SAVE THESE INSTRUCTIONS
Conventions
Warning IMPORTANT SAFETY INSTRUCTIONS
viii
Related Publications
Obtaining Documentation, Obtaining Support, and Security Guidelines
Features, page Front Panel Description, page
Features
Product Overview
C H A P T E R
10-Gigabit Ethernet Configuration
Fast Ethernet Front Panel Switches, page
Fast Ethernet Front Panel Switches
Front Panel Description
Gigabit Ethernet Switch Front Panel Descriptions, page
Figure 1-2 Catalyst 3750-24TS Front Panel
Catalyst 3750-24TS Switch Front Panel Description
Catalyst 3750-48TS Switch Front Panel Description
Figure 1-3 Catalyst 3750-48TS Front Panel
Figure 1-4 Catalyst 3750-24PS Switch Front Panel
Catalyst 3750-24PS Switch Front Panel Description
Catalyst 3750-48PS Switch Front Panel Description
Figure 1-5 Catalyst 3750-48PS Switch Front Panel
Catalyst 3750G-24PS Switch Front Panel Description, page
Gigabit Ethernet Switch Front Panel Descriptions
Catalyst 3750G-48TS Switch Front Panel Description, page
Catalyst 3750G-48PS Switch Front Panel Description, page
Figure 1-8 Catalyst 3750G-24TS Front Panel
Catalyst 3750 Switch Hardware Installation Guide
Figure 1-7 Catalyst 3750G-24T Front Panel
Figure 1-9 Catalyst 3750G-24TS-1U Front Panel
Figure 1-11 Catalyst 3750G-24PS Switch Front Panel
Catalyst 3750G-48TS Switch Front Panel Description
Catalyst 3750G-24PS Switch Front Panel Description
Figure 1-10 Catalyst 3750G-48TS Front Panel
Figure 1-12 Catalyst 3750G-48PS Switch Front Panel
Catalyst 3750G-48PS Switch Front Panel Description
Catalyst 3750G-16TD Switch Front Panel Description
Figure 1-13 Catalyst 3750G-16TD Switch Front Panel
1-10
10/100 and 10/100/1000 Ports
Wireless
The 10/100 ports on the Catalyst 3750-24PS and 3750-48PS switches and the 10/100/1000 ports on the Catalyst 3750G-24PS, 3750G-48PS, 3750G-24WS-S25, and 3750G-24WS-S50 switches provide PoE support for devices that are compliant with IEEE 802.3af. They also provide Cisco pre-standard PoE support for Cisco IP Phones and Cisco Aironet Access Points
1-11
1-12
100BASE-FX Ports
SFP Module Slots
SFP Modules
XENPAK Module Slot Catalyst 3750G-16TD Switch
LEDs
1-13
Chapter 1 Product Overview 10/100 and 10/100/1000 Ports
Catalyst 3750 Switch Hardware Installation Guide
1-14
OL-6336-07
1-15
Figure 1-16 Catalyst 3750G-12S and Catalyst 3750G-12S-SD Switch LEDs
1. The RPS LED is not used on the Catalyst 3750G-12S-SD switch
1-16
Figure 1-18 Catalyst 3750G-24WS-S25 and 3750G-24WS-S50 Switch LEDs
Catalyst 3750 Switch Hardware Installation Guide
Chapter 1 Product Overview 10/100 and 10/100/1000 Ports
Color
Color
System Status
RPS Status
Port Mode
Port Mode
Mode LED
Description
Port LED Color
Port Mode
Meaning of LED Colors in Different Modes on the Switch
Meaning
Port LED Color
Port Mode
Stack LED
Meaning
1 Stack member 1 3 Stack member 2 Stack member
1-21
Power Connectors, page Console Port, page
Rear Panel Description
Rear Panel Overview
Catalyst 3750G-24TS Switch Rear Panel, Figure
1-23
Figure 1-21 Catalyst 3750G-24TS Switch Rear Panel
Catalyst 3750G-12S-SD Switch Rear Panel
1-24
Figure 1-23 Catalyst 3750-24FS Switch Rear Panel
Catalyst 3750-24PS and Catalyst 3750-48PS Switches Rear Panel
1-25
Power Connectors
StackWise Ports
STACK A
Cisco RPS Connector
Internal Power Supply Connector
DC Power Connector
Cisco RPS
1-27
Management Options
Console Port
Network Configurations
1-28
Preparing for Installation, page Verifying Switch Operation, page
Switch Installation
Preparing for Installation
Planning the Stack, page Installing the Switch, page
Warnings
PWR-RPS2300, PWR675-AC-RPS-N1=. Statement
Warning Class 1 laser product. Statement
Catalyst 3750G Integrated Wireless LAN Controller Switches
Warning No user-serviceable parts inside. Do not open. Statement
Installation Guidelines
Verifying Package Contents
Verifying Switch Operation
Cabling Considerations, page Recommended Cabling Configurations, page
Planning the Stack
Planning Considerations, page Powering Considerations, page
Warning Attach only the Cisco RPS model to the RPS receptacle
Cabling Considerations
Powering Considerations
Planning Considerations
Figure 2-2 Example of a Stack with Half Bandwidth Connections
A B C
Figure 2-1 Example of a Stack with Full Bandwidth Connections
Figure 2-3 Example of a Stack with a Failover Condition
2-10
Recommended Cabling Configurations
Stacking Switches in Vertical Racks or on a Table
Side-by-Side Mounting in a Rack or on a Wall
Installing the Switch
Rack-Mounting
Rack-Mounting, page Wall-Mounting, page
Attaching Brackets to All Other Catalyst 3750 Switches, page
Removing Screws from the Switch, page
Attaching Brackets to the Catalyst 3750G-24TS Switch, page
Mounting the Switch in a Rack, page Attaching the Cable Guide, page
Figure 2-12 Removing Screws from the 3750G-24TS Switch
2-13
Attaching Brackets to the Catalyst 3750G-24TS Switch
2-14
POWER
Chapter 2 Switch Installation Installing the Switch
Catalyst 3750 Switch Hardware Installation Guide
2-15
POWER
Chapter 2 Switch Installation Installing the Switch
Catalyst 3750 Switch Hardware Installation Guide
2-16
Figure 2-20 Attaching Brackets for 19-Inch Racks, Front Panel Forward
SERVICE
2-17
Figure 2-21 Attaching Brackets for 19-Inch Racks, Rear Panel Forward
Figure 2-22 Attaching Brackets for 19-Inch Telco Racks
Attaching Brackets to All Other Catalyst 3750 Switches
2-18
Figure 2-23 Rack-Mounting Brackets
Attaching Brackets for 19-Inch Racks and 19-Inch Telco Racks
2-19
POWER
Chapter 2 Switch Installation Installing the Switch
Catalyst 3750 Switch Hardware Installation Guide
2-20
Figure 2-27 Attaching Brackets for 19-Inch Telco Racks
Attaching Brackets for 23-Inch Racks
2-21
Figure 2-28 Attaching Brackets for 23-Inch Racks, Front Panel Forward
Figure 2-30 Attaching Brackets for 24-Inch Racks, Front Panel Forward
Attaching Brackets for 24-Inch Racks and 24-Inch Telco Racks
2-22
Figure 2-31 Attaching Brackets for 24-Inch Racks, Rear Panel Forward
Figure 2-32 Attaching Brackets for 24-Inch Telco Racks
Attaching Brackets for ETSI Racks
2-23
Figure 2-33 Attaching Brackets for ESTI Racks, Front Panel Forward
Mounting the Switch in a Rack
2-24
2-25
750G SERIES
Attaching the Cable Guide
2-26
Attaching the RPS Connector Cover, page
Wall-Mounting
Attaching the Brackets to the Switch for Wall-Mounting, page
Mounting the Switch on a Wall, page
Statement
Attaching the Brackets to the Switch for Wall-Mounting
Attaching the RPS Connector Cover
2-28
2-29
Mounting the Switch on a Wall
Figure 2-43 Mounting the Switch on a Wall
2-30
Connecting StackWise Cable to StackWise Ports
Table- or Shelf-Mounting
Figure 2-44 Inserting the StackWise Cable in a StackWise Port
STACK 1 STACK
2-31
STACK
STACK
STACK
STACK
2-33
Installing and Removing SFP Modules
Installing SFP Modules into SFP Module Slots
Removing SFP Modules from SFP Module Slots
2-34
Removing a XENPAK Module, page
Installing and Removing XENPAK Modules Catalyst 3750G-16TD Switch
Removing SFP Modules from SFP Module Slots, page
2-35
Installing a XENPAK Module
2-36
series 104764
2-37
Figure 2-51 Removing the XENPAK Module Slot Cover
series 104573
Figure 2-53 Removing a XENPAK Module
Removing a XENPAK Module
2-38
Connecting to the 10/100 and 10/100/1000 Ports
2-39
2-40
Device
Crossover Cable
Straight-Through Cable
Warning Class 1 laser product. Statement
Connecting to an SFP Module
Connecting to a Fiber-Optic SFP Module
2-41
Step 4 Observe the port status LED
2-42
2-43
Connecting to 1000BASE-T SFP Modules
Figure 2-57 Connecting to an SFP Module Port
2-44
Connecting to a XENPAK Module
Warning Class 1 laser product. Statement
Where to Go Next
2-45
2-46
Chapter 2 Switch Installation Where to Go Next
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-07
Diagnosing Problems, page
Troubleshooting
Diagnosing Problems
Clearing the Switch IP Address and Configuration, page
Verify Switch Connections
Verify Switch POST Results
Monitor Switch LEDs
Bad or Damaged Cable
PoE Connections
Transceiver Module Port Issues
Link Status
Spanning Tree Loops
Port and Interface Settings
Ping the End Device
Autonegotiation and NIC Cards
Monitor Switch Performance
Speed, Duplex, and Autonegotiation
Cabling Distance
Clearing the Switch IP Address and Configuration
Replacing a Failed Stack Member
Figure 3-3, Catalyst 3750-24PS Switch Serial Number Location
Finding the Switch Serial Number
Figure 3-2, Catalyst 3750G-16TD Switch Serial Number Location
Figure 3-5, Catalyst 3750G-24TS Switch Serial Number Location
Chapter 3 Troubleshooting Finding the Switch Serial Number
Figure 3-2 Catalyst 3750G-16TD Switch Serial Number Location
Figure 3-3 Catalyst 3750-24PS Switch Serial Number Location
Catalyst 3750 Switch Hardware Installation Guide
Figure 3-7 Catalyst 3750-24PS Switch Serial Number Location
Figure 3-5 Catalyst 3750G-24TS Switch Serial Number Location
Figure 3-6 Catalyst 3750-24TS Switch Serial Number Location
Chapter 3 Troubleshooting Finding the Switch Serial Number
Chapter 3 Troubleshooting
Figure 3-8 Catalyst 3750G-24WS Switch Serial Number Location
Figure 3-9 Catalyst 3750-48PS Switch Serial Number Location
Finding the Switch Serial Number
Catalyst 3750 Switch Hardware Installation Guide
Figure 3-11 Catalyst 3750-48TS Switch Serial Number Location
Chapter 3 Troubleshooting Finding the Switch Serial Number
3-11
3-12
Chapter 3 Troubleshooting Finding the Switch Serial Number
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-07
Technical Specifications
A P P E N D I X A
Power Requirements
Power Requirements
Physical Dimensions
Physical Dimensions
Table A-3 Specifications for the Catalyst 3750-24FS Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Table A-4 Specifications for the Catalyst 3750-24TS Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Table A-5 Specifications for the Catalyst 3750G-24T Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Physical Dimensions
Power Requirements
Power over Ethernet
Table A-6 Specifications for the Catalyst 3750-24PS Switch
Physical Dimensions
Power Requirements
Power over Ethernet
Table A-7 Specifications for the Catalyst 3750G-24PS Switch
Physical Dimensions
Power Requirements
Power over Ethernet
Table A-8 Specifications for the Catalyst 3750-48PS Switch
Physical Dimensions
Power Requirements
Power over Ethernet
Table A-9 Specifications for the Catalyst 3750G-48PS Switch
Table A-10 Specifications for the Catalyst 3750G-16TD Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Table A-11 Specifications for the Catalyst 3750G-24TS Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Table A-12 Specifications for the Catalyst 3750G-24TS-1U Switch
Power Requirements
Physical Dimensions
Environmental Ranges
Power Requirements
Power Requirements
Physical Dimensions
Physical Dimensions
Physical Dimensions
Power Requirements
Power over Ethernet
Environmental Ranges
“Connector Specifications” section on page B-1
Connector and Cable Specifications
Connector Specifications
“Cable and Adapter Specifications” section on page B-5
Figure B-1 10/100 Port Pinouts
10/100 and 10/100 /1000 Ports
100BASE-FX Ports
Figure B-2 10/100/1000 Port Pinouts
Cisco Part Number
SFP Module Ports
Type
Wavelength
XENPAK Module Ports Catalyst 3750G-16TD Switch
XENPAK
Maximum Distance
SFP Module Cable Specifications, page B-5
Cable and Adapter Specifications
SFP Module Cable Specifications
Console Port
SFP Module
Two Twisted-Pair Cable Pinouts
Wavelength
nanometers
Four Twisted-Pair Crossover Cable Schematic for 10/100/1000 Ports
Four Twisted-Pair Cable Pinouts for 10/100 Ports
Two Twisted-Pair Crossover Cable Schematic
Figure B-8
Identifying a Crossover Cable
Switch Console
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports
Crossover Cable and Adapter Pinouts
Table B-4 Console Port Signaling Using a DB-9 Adapter
RJ-45-to-DB-9
Switch Console
Switch Console
Console
Preparing for Installation, page C-2 Grounding the Switch, page C-2
Connecting to DC Power
Connecting to DC Power
Wiring the DC-Input Power Source, page C-4
Preparing for Installation
Grounding the Switch
Page
Wiring the DC-Input Power Source
Figure C-5 Positive and Negative Positions on the Switch Rear Panel
Figure C-6 Stripping the DC-Input Power Source Wire
Figure C-7 Inserting Wires in the Terminal Block Plug
Figure C-9 Completed Wiring of Terminal Block Plug
Figure C-8 Torquing the Terminal-Block Captive Screws
Page
3. Stacking the Switches Optional, page D-4
Configuring the Switch with the CLI-Based Setup Program
1. Accessing the CLI, page D-2 2. Taking Out What You Need, page D-3
4. Connecting to the Console Port, page D-5
Accessing the CLI Through the Console Port
Accessing the CLI
Accessing the CLI Through Express Setup
Entering the Initial Configuration Information, page D-7
Taking Out What You Need
Stacking the Switches Optional
Connecting to the Console Port
Connecting to a Power Source
Starting the Terminal Emulation Software
Completing the Setup Program
Entering the Initial Configuration Information
IP Settings
Page
Page
Catalyst 3750 Switch Hardware Installation Guide
Appendix D Configuring the Switch with the CLI-Based Setup Program
Entering the Initial Configuration Information
D-10
IN-1
Numerics
I N D E
IN-2
IN-3
IN-4
IN-5
IN-6
