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