Catalyst 3750 Metro Switch Hardware Installation Guide

Transcription

1 Catalyst 3750 Metro Switch Hardware Installation Guide April 2012 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA USA Tel: NETS (6387) Fax: Text Part Number:

2 THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense. The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. Modifying the equipment without Cisco s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense. You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following 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 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 public domain version of the UNIX operating system. All rights reserved. Copyright 1981, Regents of the University of California. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS. 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3 CONTENTS Preface vii Audience i-vii Purpose i-vii Organization i-vii Conventions i-viii Related Publications i-ix Obtaining Documentation and Submitting a Service Request ix Product Overview 1-1 Features 1-1 Front Panel Description 1-2 Console Port /100 and 10/100/1000 Ports 1-3 SFP Module Slots 1-3 LEDs 1-4 System LED 1-4 Power LEDs 1-5 Master LED 1-5 Port LEDs and Modes 1-5 Rear Panel Description 1-7 Power Connectors 1-7 Power Supply Connector 1-7 Management Options 1-7 Network Configurations 1-8 Switch Installation 2-1 Preparing for Installation 2-1 Warnings 2-1 Installation Guidelines 2-4 Verifying Package Contents 2-5 Verifying Switch Operation 2-5 Connecting a PC or Terminal to the Console Port 2-6 Powering On the Switch and Running POST 2-7 iii

4 Contents Powering Off the Switch and Disconnecting the Console Port 2-7 Installing the Switch 2-7 Rack-Mounting 2-7 Removing Screws from the Switch 2-8 Attaching Brackets to the Switch 2-8 Mounting the Switch in a Rack 2-11 Attaching the Cable Guide 2-12 Wall-Mounting 2-12 Attaching the Brackets to the Switch for Wall-Mounting 2-12 Mounting the Switch on a Wall 2-13 Table- or Shelf-Mounting 2-14 Installing and Removing SFP Modules 2-14 Installing SFP Modules into SFP Module Slots 2-15 Removing SFP Modules from SFP Module Slots 2-16 Connecting to the 10/100 Ports 2-17 Connecting to an SFP Module 2-18 Connecting to a Fiber-Optic SFP Module 2-19 Connecting to 1000BASE-T SFP Modules 2-20 Where to Go Next 2-21 Connecting the Power Supply 3-1 Connecting to AC Power 3-1 Removing the AC Power Supply 3-3 Connecting to DC Power 3-4 Preparing for Installation 3-4 Grounding the Switch 3-5 Preparing the Ground Wire 3-5 Connecting the Grounding Wire to Earth Ground 3-7 Installing the DC Power Supply in the Switch 3-7 Wiring the DC-Input Power Source 3-9 Removing the DC Power Supply 3-12 Connecting to Both AC and DC Power in the Switch 3-13 Troubleshooting 4-1 Diagnosing Problems 4-1 Verify Switch POST Results 4-2 Monitor Switch LEDs 4-2 iv

5 Contents 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 4-3 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 Configuration 4-5 Finding the Switch Serial Number 4-6 Technical Specifications A-1 Connector and Cable Specifications B-1 Connector Specifications B-1 10/100 Ports B-1 Connecting to 10BASE-T- and 100BASE-TX-Compatible Devices B-2 100BASE-FX Ports B-2 Connecting to 1000BASE-T Devices B-3 SFP Module Ports B-4 Console Port B-4 Cable and Adapter Specifications B-5 SFP Module Cable Specifications B-5 Two Twisted-Pair Cable Pinouts B-6 Four Twisted-Pair Cable Pinouts for 10/100 Ports B-7 Identifying a Crossover Cable B-8 Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports B-8 Adapter Pinouts B-9 Configuring the Switch with the CLI-Based Setup Program C-1 Taking Out What You Need C-2 Connecting to the Console Port C-3 Starting the Terminal-Emulation Software C-3 Connecting to a Power Source C-4 v

6 Contents Entering the Initial Configuration Information C-4 IP Settings C-4 Completing the Setup Program C-5 Connecting to an Ethernet Port C-7 I NDEX vi

7 Preface Audience This guide is for the networking or computer technician responsible for installing the Catalyst 3750 Metro switch. We assume that you are familiar with the concepts and terminology of Ethernet and local area networking. If you are interested in more training and education in these areas, learning opportunities including training courses, self-study options, seminars, and career certifications programs are available on the Cisco Training & Events web page: Purpose This guide documents the hardware features of the Catalyst 3750 Metro switch. It describes the physical and performance characteristics 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 standard Cisco IOS Release 12.1 or 12.2 commands, see the Cisco IOS documentation set from the Cisco.com home page by choosing Support > Documentation > Product and Support Documentation/Cisco IOS Software. Organization This guide is organized into these chapters: Chapter 1, Product Overview, is a physical and functional overview of the switch. This chapter describes the switch ports, the standards they support, and the switch LEDs. Chapter 2, Switch Installation, includes procedures on how to power on the switch; how to install the switch in a rack, on a wall, on a table, or shelf; and how to make port connections. Chapter 3, Connecting the Power Supply, describes how to connect the AC and DC power supply units and how to remove the units. Chapter 4, Troubleshooting, describes how to identify and resolve some of the problems that might arise when you install the switch and how to identify the serial number when it is necessary to call technical support for help. vii

8 Conventions Preface Appendix A, Technical Specifications, lists the physical and environmental specifications for the switch and the regulatory agency approvals. Appendix B, Connector and Cable Specifications, describes the connectors, cables, and adapters that you use to connect to the switch. Appendix C, Configuring the Switch with the CLI-Based Setup Program, provides a quick step-by-step installation and setup procedure for a switch. Conventions This document uses these conventions and symbols for notes, cautions, and warnings: Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in this manual. Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. Warning 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 The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Catalyst 3750 Metro Switch that ships with the product. The EMC regulatory statements are also included in that guide. viii

9 Preface Related Publications Related Publications These documents provide complete information about the switch and are available from this Cisco.com site: Note Before installing, configuring, or upgrading the switch, see the release notes on Cisco.com for the latest information. Release Notes for the Catalyst 3750 Metro Switch Catalyst 3750 Metro Switch Getting Started Guide Regulatory Compliance and Safety Information for the Catalyst 3750 Metro Switch Catalyst 3750 Metro Switch Software Configuration Guide Catalyst 3750 Metro Switch Command Reference Catalyst 3750 Metro Switch System Message Guide These compatibility matrix documents are available from this Cisco.com site: Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix Cisco 100-Megabit Ethernet SFP Modules Compatibility Matrix Cisco CWDM SFP Transceiver Compatibility Matrix Cisco Small Form-Factor Pluggable Modules Compatibility Matrix Compatibility Matrix for 1000BASE-T Small Form-Factor Pluggable Modules 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: 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. ix

10 Related Publications Preface x

11 CHAPTER 1 Product Overview The Catalyst 3750 Metro switch, also referred to as the switch, is a stackable metro Ethernet switch that can be used as customer-located equipment (CLE) to connect to enterprise customer routers or switches. You can connect other devices to the switch, including Cisco IP phones, a Cisco Wireless Access Point, workstations, servers, and PCs. This chapter provides a functional overview of the switch. These topics are included: Features, page 1-1 Front Panel Description, page 1-2 Rear Panel Description, page 1-7 Management Options, page 1-7 Features You can deploy the switch as an aggregation switch. You can aggregate Ethernet traffic from other network devices with 10BASE-T, 100BASE-TX, and 1000BASE small-form factor pluggable (SFP) modules (1000BASE-T, 1000BASE-BX, 1000BASE-SX, 1000BASE-LX/LH, or 1000BASE-ZX SFP modules). Refer to the switch software configuration guide for examples that show how you might deploy Catalyst 3750 Metro switches in your network. These are the switch features: Hardware 24 10/100 Ethernet ports 4 small form-factor pluggable (SFP) module slots. Two are standard SFP module ports, and two are enhanced-services SFP module ports. The enhanced-services ports support multiprotocol label switching (MPLS), hierachical quality of service (QoS), and enhanced 802.1Q tunneling. For information about port numbering, see the Front Panel Description section on page power supply slots that support AC or DC input For instructions on installing power supply units, see Chapter 3, Connecting the Power Supply. The switch supports these SFP modules: 100BASE-FX (only in the standard SFP module ports) 1000BASE-BX 1000BASE-LX 1-1

12 SYST DUPLX 1X 2X 11X 12X 13X 14X 23X 24X ES PORTS Front Panel Description Chapter 1 Product Overview 1000BASE-SX 1000BASE-T 1000BASE-ZX Coarse wavelength-division multiplexing (CWDM) Note When you install 1000BASE-T SFP modules in the standard ports, they can operate at 10, 100, or 1000 Mb/s in full-duplex mode. When you install 1000BASE-T SFP modules in the enhanced-services ports, they operate only at 1000 Mb/s. Configuration For 10/100 ports, autonegotiates the speed and the duplex settings For standard ports, autonegotiates the speed and the duplex settings Power redundancy through an optional second power supply Front Panel Description The switch FastEthernet ports are numbered 1 through 24 (in software they are numbered fastethernet1/0/1 to fastethernet1/0/24). These ports are grouped into pairs. The first member of the pair (port 1) is above the second member (port 2) on the far left, as shown in Figure 1-1. Port 3 is above port 4, and so on. Figure 1-1 Catalyst 3750 Metro Switch Front Panel RPS MASTR STAT CONSOLE MODE SPEED STACK Catalyst 3750 Metro series Console port 3 Standard SFP module ports 2 10/100 ports 4 Enhanced-services SFP module ports The standard SFP module ports are numbered 1 and 2 (left to right). In software, they are numbered gigabitethernet1/0/1 and gigabitethernet1/0/2. The enhanced-services SPF module ports are numbered 1 and 2 (left to right). In software, they are numbered gigabitethernet 1/1/1 and gigabitethernet 1/1/2. 1-2

13 Chapter 1 Product Overview Front Panel Description Console Port You can connect the switch to a PC through the console port by using 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 Appendix B, Connector and Cable Specifications. 10/100 and 10/100/1000 Ports You can set the 10/100 ports on the switch to operate in any combination of half duplex, full duplex, 10 Mb/s or 100 Mb/s. You can set the standard 1000BASE-T SFP module ports to operate in 10, 100, or 1000 Mb/s in full duplex. The 1000BASE-T SFP module operates only at 1000 Mb/s in the enhanced-services ports. You can also set these ports for speed and duplex autonegotiation in compliance with IEEE 802.3ab. (The default setting is autonegotiate.) When you set the port for autonegotiation, it identifies the speed and duplex settings of the attached device and advertises its own capabilities. If the connected device also supports autonegotiation, the switch port negotiates the best connection (that is, the fastest line speed that both devices support and full-duplex transmission if the attached device supports it) and configures itself accordingly. In all cases, the attached device must be within 100 meters (328 feet). 100BASE-TX and 1000BASE-T traffic requires a Category 5 or higher cable. 10BASE-T traffic can use Category 3 or Category 4 cables. When you connect the switch to workstations, servers, routers, and Cisco IP Phones, be sure that the cable is a straight-through cable. When you connect the switch to switches or hubs, use a crossover cable. When you use a straight-through or crossover cable for 1000BASE-T connections, be sure to use a twisted four-pair, Category 5 or higher cable for proper operation. Pinouts for the cables are described in Appendix B, Connector and Cable Specifications. You can use the mdix auto interface configuration command to enable the automatic crossover feature. When the automatic crossover feature is enabled, the switch detects the required cable type and configures the interfaces accordingly. Therefore, you can use either a crossover or a straight-through cable for all connections to an Ethernet port on the switch. The automatic crossover feature is disabled by default. For configuration information for this feature, refer to the switch software configuration guide or the switch command reference. SFP Module Slots The switch uses Gigabit Ethernet SFP modules to establish fiber-optic connections. These transceiver modules are field-replaceable, providing the uplink interfaces when inserted in an SFP module slot. You can use the SFP modules for Gigabit uplink connections to other switches. You use fiber-optic cables with or MT-RJ LC or MT-RJ connectors to connect to a fiber-optic SFP module. You use Category 5 or higher cable with RJ-45 connectors to connect to a copper SFP module. When you install 1000BASE-T SFP modules in the standard ports, they can operate at 10, 100, or 1000 Mb/s in full-duplex mode. When you install 1000BASE-T SFP modules in the enhanced-services ports, they operate only at 1000 Mb/s. The switch supports 100BASE-FX SFP modules only in standard ports. See the Features section on page 1-1 for a list of SFP modules that the switch supports. Refer to the Release Notes for the Catalyst 3750 Metro Switch for the most current list of Cisco SFP module options that the switch supports. For more information about these SFP modules, refer to your SFP module documentation. 1-3

14 Front Panel Description Chapter 1 Product Overview In addition to supporting the features described previously, the enhanced-services SFP modules support autonegotiation. Refer to the software guides for this switch for information about the features of the enhanced-services ports. LEDs You can use the switch LEDs to monitor switch activity and performance. Figure 1-2 shows the switch LEDs and the Mode button that you use to select one of the port modes. Figure 1-2 Catalyst 3750 Metro Switch LEDs 10 SYST PWR A PWR B 1X MASTR STAT CONSOLE DUPLX SPEED 11X STACK 13X MODE 2X 23X 12X 14X X Mode button 6 Master LED 2 Stack LED (not used) 7 Power B LED 3 Speed LED 8 Power A LED 4 Duplex LED 9 System LED 5 Status LED 10 Port LED System LED The System LED shows whether the system is receiving power and is functioning properly. Table 1-1 lists the LED colors and their meanings. Table 1-1 Color Off Green Amber System LED System Status System is not powered on. System is operating normally. System is receiving power but is not functioning properly. 1-4

15 Chapter 1 Product Overview Front Panel Description Power LEDs The switch supports up to two power supplies. The PWR A and PWR B LEDs show the status of the power supply in power slot A and power slot B, respectively. Table 1-2 lists the LED colors and their meanings. Table 1-2 Color Off Green Amber Power LED Status Indicators Status The power supply is not installed. The power supply is connected and operating correctly. The power supply is installed but is either in a fault condition or is not connected to a valid input power source. The power LEDs for slot A and slot B work independently of each other. Master LED The Master LED is used in stacking. For this product, which does not support stacking, the Master LED is green. Port LEDs and Modes Each RJ-45 port and SFP module slot has a port LED. These port LEDs, as a group or individually, display information about the switch and about the individual ports. The port modes determine the type of information that the port LEDs display. Table 1-3 lists the mode LEDs and their associated port modes and meanings. To select or change a mode, press the Mode button until the desired mode is highlighted. When you change port modes, the meanings of the port LED colors also change. Table 1-4 explains how to interpret the port LED colors in different port modes. Table 1-3 Port Mode LEDs Mode LED Port Mode Description STAT Port status The port status. This is the default mode. DUPLX Port duplex mode The port duplex mode: full duplex or half duplex. SPEED Port speed The port operating speed: 10 or , 100, or 1000 Mb/s. STACK Not used. 1-5

16 Front Panel Description Chapter 1 Product Overview Table 1-4 Meaning of LED Colors in Different Modes on the Switch Port Mode LED Color Meaning STAT Off No link, or port was administratively shut down. (port status) Green Link present. Flashing green Activity. Port is sending or receiving data. DUPLX (duplex) SPEED STACK (stack member) Alternating green-amber Amber Flashing amber Off Green 10/100 ports Off Green SFP ports Off Green Flashing green 1. CRC = cyclic redundancy check Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC 1 errors, and alignment and jabber errors are monitored for a link-fault indication. Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data. Note After a port is reconfigured, the port LED can remain amber for up to 30 seconds as STP checks the switch for possible loops. Port is blocked by STP and is sending or receiving packets. Port is operating in half duplex. Port is operating in full duplex. Port is operating at 10 Mb/s. Port is operating at 100 Mb/s. Port is operating at 10 Mb/s. Port is operating at 100 Mb/s. Port is operating at 1000 Mb/s. Note 1000BASE-T SFP modules can operate at 10, 100, or 1000 Mb/s in full-duplex mode only in standard SFP ports. Not used. 1-6

17 Chapter 1 Product Overview Rear Panel Description Rear Panel Description The switch rear panel has two power slots, a grounding lug, and two StackWise ports (not used). (See Figure 1-3.) Figure 1-3 Catalyst 3750 Metro Switch Rear Panel STACK 1 STACK StackWise ports (not used) 3 Power slot A (shown with an installed AC power supply) 2 Grounding lug (used with a DC power supply) 4 Power slot B Power Connectors Power Supply Connector A power supply that is installed in power slot A powers the switch. This power supply is a field-replaceable unit (FRU). You can connect an optional FRU power supply in slot B to provide backup power if power supply A fails. You can power the switch by using either an AC power supply, a DC power supply, or a combination of the two. The power supply is an autoranging 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. See Chapter 3, Connecting the Power Supply, for instructions on how to connect the DC power. Management Options The switch offers several management options: Cisco IOS command-line interface (CLI) You can fully configure and monitor the switch from the CLI. You can access the CLI either by connecting your management station directly to the switch console port or by using Telnet from a remote management station. See Appendix C, Configuring the Switch with the CLI-Based Setup Program, and refer to the Catalyst 3750 Metro Switch Command Reference on Cisco.com for more information about using the CLI. 1-7

18 Management Options Chapter 1 Product Overview CiscoView application The CiscoView device-management application displays the switch image that you can use to set configuration parameters and to view switch status and performance information. The CiscoView application, which you purchase separately, can be a standalone application or part of a Simple Network Management Protocol (SNMP) platform. Refer to the CiscoView documentation for more information. SNMP network management You can manage switches from a SNMP-compatible management station that is running platforms such as HP OpenView or SunNet Manager. The switch supports a comprehensive set of Management Information Base (MIB) extensions and four Remote Monitoring (RMON) groups. Refer to the switch software configuration guide on Cisco.com and the documentation that came with your SNMP application for more information. Cisco Intelligence Engine 2100 (IE2100) Cisco IE200 Series Configuration Registrar is a network management device that works with embedded CNS agents in the switch software. You can automate initial configurations and configuration updates by generating switch-specific configuration changes, sending them to the switch, executing the configuration change, and logging the results. Network Configurations Refer to the switch software configuration guide on Cisco.com for network configuration concepts and examples of using the switch to create dedicated network segments and interconnecting the segments through Gigabit Ethernet connections. 1-8

19 CHAPTER 2 Switch Installation This chapter describes how to start your switch and how to interpret the power-on self-test (POST) that ensures proper operation. It describes how to install the switch and make connections to the switch. 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 2-7 Installing and Removing SFP Modules, page 2-14 Connecting to the 10/100 Ports, page 2-17 Connecting to an SFP Module, page 2-18 Where to Go Next, page 2-21 Preparing for Installation This section covers these topics: Warnings, page 2-1 Installation Guidelines, page 2-4 Verifying Package Contents, page 2-5 Verifying Switch Operation, page 2-5 Warnings These warnings are translated into several languages in the Regulatory Compliance and Safety Information Guide for the Catalyst 3750 Metro Switch, which ships with the switch. Warning To prevent the switch from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of 113 F (45 C). To prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around the ventilation openings. Statement 17B 2-1

20 Preparing for Installation Chapter 2 Switch Installation 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 can cause serious burns or weld the metal object 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 To comply with safety regulations, mount switches on a wall with the front panel facing up. Statement 266 Warning Suitable for mounting on or over concrete or other non-combustible surface only. Statement 345 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 This product relies on the building s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 15 A, 80 Vdc Statement 1005 Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety: This unit should be mounted at the bottom of the rack if it is the only unit in the rack. When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack. If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement

21 Chapter 2 Switch Installation Preparing for Installation Warning Class 1 laser product. Statement 1008 Warning Avoid direct exposure to the laser beam. Statement 1012 Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017 Warning The plug-socket combination must be accessible at all times, because it serves as the main disconnecting device. Statement 1019 Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement 1022 Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024 Warning This unit might have more than one power supply connection. All connections 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 must be connected through an approved network termination unit with integral circuit protection. 10/100/1000 Ethernet Statement 1044 Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046 Warning No user-serviceable parts inside. Do not open. Statement

22 Preparing for Installation Chapter 2 Switch Installation Warning Installation of the equipment must comply with local and national electrical codes. Statement 1074 Caution To comply with the Telcordia GR-1089 Network Equipment Building Systems (NEBS) standard for electromagnetic compatibility and safety, connect the Ethernet cables only to intrabuilding or unexposed wiring or cabling. Note For a list of EMC regulatory statements, see the Regulatory Compliance and Safety Information for the Catalyst 3750 Metro Switch. Guidelines for Particulate Matter Cisco Ethernet Switches are equipped with cooling mechanisms, such as fans and blowers. However, these fans and blowers 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 standard provide guidelines for acceptable working environments and acceptable levels of suspended particulate matter: Network Equipment Building Systems (NEBS) GR-63-CORE National Electrical Manufacturers Association (NEMA) Type 1 International Electrotechnical Commission (IEC) IP-20 Installation Guidelines When you determine where to place the switch, be sure to observe these restrictions: When you connect cables from 10/100 ports and 1000BASE-T SFP module ports to other devices, you can use cable lengths up to 328 feet (100 meters). See Table B-2 on page B-5 for a list of cable specifications for 1000BASE-SX, 1000BASE-LX, 1000BASE-BX, 1000BASE-ZX, and CWDM fiber-optic SFP module connections. Each port must match the wave-length specifications on the other end of the cable, and for reliable communications, the cable must not exceed the stipulated cable length. Note When you use shorter distances of single-mode fiber 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 15.5 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. Operating environment must be within the ranges listed in Appendix A, Technical Specifications. 2-4

23 Chapter 2 Switch Installation Preparing for Installation Clearance to front and rear panels should be such that You can easily read the front-panel indicators. Access to ports is sufficient for unrestricted cabling. Make sure that there is access to the rear of the rack if you are planning to stack the switches. If you do not have access to the rear panel, make sure that you cable the switches before you rack-mount them. The AC power cord can reach from the AC power outlet to the connector on the switch rear panel. Cabling must be away from sources of electrical noise, such as radios, power lines, and fluorescent lighting fixtures. Make sure the cabling is safely away from other devices that might damage the cables. Airflow around the switch and through the vents must be unrestricted. Temperature around the unit does not exceed 113 F (45 C). Note If you install the switch in a closed or multirack assembly, the temperature around it might be greater than normal room temperature. Verifying Package Contents Note Carefully remove the contents from the shipping container, and check each item for damage. If any item is missing or damaged, contact your Cisco representative or reseller for support. Return all packing material to the shipping container, and save it. The switch is shipped with these items: Catalyst 3750 Metro Switch Getting Started Guide Regulatory Compliance and Safety Information for the Catalyst 3750 Metro Switch AC power supply (installed) or a DC power supply (installed with ground lug installed) AC power cord (AC-powered switches) 2 DC terminal block plugs (used with DC-powered switches but shipped with both) One RJ-45-to-DB-9 adapter cable Mounting kit containing: Four rubber feet for mounting the switch on a table Two 19-inch rack-mounting brackets Four Phillips flat-head screws for attaching the brackets to the switch Four Phillips machine screws for attaching the brackets to a rack Four Phillips truss-head screws and a bracket for mounting the switch on a wall One cable guide and one black Phillips machine screw for attaching the cable guide to one of the mounting brackets Two terminal block plugs One RPS connector cover with 2 number-4 panhead screws (not used with this switch) 2-5

24 Preparing for Installation Chapter 2 Switch Installation Verifying Switch Operation Before installing the switch in a rack, on a wall, or on a table or shelf, you should power the switch and verify that the switch passes POST. These sections describe the steps required to connect a PC to the switch console port and to power on the switch: Connecting a PC or Terminal to the Console Port, page 2-6 Powering On the Switch and Running POST, page 2-7 Connecting a PC or Terminal to the Console Port To connect a PC to the console port, use the supplied RJ-45-to-DB-9 adapter cable. To connect the switch console port to a terminal, you need to provide a 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 Cable and Adapter Specifications section on page B-5. You can use terminal-emulation software frequently a PC application such as Hyperterminal or Procomm Plus to make communication between the switch and your PC or terminal possible. Follow these steps to connect the PC or terminal to the switch: Step 1 Step 2 Configure the baud rate and character format of the PC or terminal to match these console port default characteristics: 9600 baud 8 data bits 1 stop bit No parity None (flow control) Use the supplied RJ-45-to-DB-9 adapter cable to insert the RJ-45 connector into the console port, as shown in Figure 2-1. Figure 2-1 Connecting to the Console Port SYST PWR A PWR B 1X MASTR STAT CONSOLE DUPLX SPEED 11X STACK MODE 2X 12X Console port 2-6

25 Chapter 2 Switch Installation Installing the Switch Step 3 Step 4 Attach the DB-9 female DTE adapter of the RJ-45-to-DB-9 adapter cable to a PC, or attach an appropriate adapter to the terminal. Start the terminal-emulation program if you are using a PC or terminal. Powering On the Switch and Running POST To power on the switch, follow these steps: Step 1 Step 2 Step 3 Step 4 Make sure that you have started the terminal emulation software program (such as ProComm, HyperTerminal, tip, or minicom) from your management station. See the Connecting a PC or Terminal to the Console Port section on page 2-6 for information on connecting to the switch console port. If you are using an AC power supply, connect one end of the AC power cord to the AC power connector on the switch, and then connect the other end of the power cord to an AC power outlet. If you are using a DC power supply, see the Connecting to DC Power section on page 3-4 for instructions on how to connect the DC power supply. Secure the power cord with the power cord retainer. For more information, see the Connecting to AC Power section on page 3-1. As the switch powers on, it begins POST, a series of tests that run automatically to ensure that the switch functions properly. When the switch begins POST, the System, the Power A, the Power B, the Master, the Status, the Duplex, the Speed, and the Stack LEDs turn green. The System LED blinks green, and the other LEDs remain continuous green. If POST fails, see Chapter 4, Troubleshooting, to determine a course of action. When the POST is complete, the System LED remains green. The Power A LED remains green for some time and then resumes operating status. The other LEDs turn off and resume their operating status. Powering Off the Switch and Disconnecting the Console Port Disconnect the power cord from the switch. Disconnect the cable from the switch console port. Install the switch in a rack, on a wall, or on a table or shelf as described in the Installing the Switch section on page 2-7. Installing the Switch This section describes these installation procedures: Rack-Mounting, page 2-7 Wall-Mounting, page 2-12 Table- or Shelf-Mounting, page

26 1 2 Installing the Switch Chapter 2 Switch Installation Rack-Mounting To install the switch in a 19-inch or 24-inch rack (24-inch racks require optional mounting hardware), follow the instructions described in these procedures: Removing Screws from the Switch, page 2-8 Attaching Brackets to the Switch, page 2-8 Mounting the Switch in a Rack, page 2-11 Attaching the Cable Guide, page 2-12 Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety: This unit should be mounted at the bottom of the rack if it is the only unit in the rack. When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack. If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006 Note Installing the switch in a 24-inch rack requires an optional bracket kit not included with the switch. You can order a kit containing the 24-inch rack-mounting brackets and hardware from Cisco (part number RCKMNT-1RU). Removing Screws from the Switch If you plan to install the switch in a rack, you must first remove the screws in the switch chassis so that you can attach the mounting brackets. Figure 2-2 shows how to remove the chassis screws in a switch. Figure 2-2 Removing Screws from the Switch Catalyst 3750 Metro series ES PORTS 2-8

27 Chapter 2 Switch Installation Installing the Switch Attaching Brackets to the Switch The bracket orientation and the brackets that you use depend on whether you are attaching the brackets for a 19-inch or a 24-inch rack. For 19-inch racks, use bracket part number XX; for 24-inch racks, use bracket part number XX. Figure 2-3 through Figure 2-7 show how to attach each type of bracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side. Figure 2-3 Attaching Brackets for 19-Inch Racks, Front Panel Forward 1 SYST PWR A PWR B 1X MASTR STAT CONSOLE DUPLX SPEED 11X STACK MODE 2X 12X Phillips flat-head screws Figure 2-4 Attaching Brackets for 24-Inch Racks, Front Panel Forward 1 SYST PWR A PWR B 1X MASTR STAT CONSOLE DUPLX SPEED 11X STACK MODE 2X 12X Phillips flat-head screws Figure 2-5 Attaching Brackets for 19-Inch Racks, Rear Panel Forward Phillips flat-head screws 2-9

28 Installing the Switch Chapter 2 Switch Installation Figure 2-6 Attaching Brackets for 24-Inch Racks, Rear Panel Forward Phillips flat-head screws Figure 2-7 Attaching Brackets for 24-Inch Telco Racks Catalyst 3750 Metro series ES PORTS Phillips flat-head screws 2-10

29 PWR B MODE DUPLX 1X 2X 11X 12X 13X 14X 23X 24X ES PORTS Chapter 2 Switch Installation Installing the Switch Mounting the Switch in a Rack After the brackets are attached to the switch, use the four supplied number-12 Phillips machine screws to securely attach the brackets to the rack, as shown in Figure 2-8. Figure 2-8 Mounting the Switch in a Rack SYST PWR A MASTR STAT CONSOLE SPEED STACK Catalyst 3750 Metro series Phillips machine screws After the switch is mounted in the rack, perform these tasks to complete the installation, run the setup program, and access the switch: Connect to the console port, and start the emulation software. See the Connecting to the Console Port section on page C-3 and the Starting the Terminal-Emulation Software section on page C-3. Power on the switch. See the Connecting to a Power Source section on page C-4. Run the setup program. See the Completing the Setup Program section on page C-5. Connect to the front-panel ports. See the Connecting to the 10/100 Ports section on page 2-17 and the Connecting to an SFP Module section on page 2-18 to complete the installation. To use the CLI, enter commands at the Switch> prompt through the console port by using a terminal program or through the network by using Telnet. For configuration information, refer to the switch software configuration guide or the switch command reference. 2-11

30 SYST PWR A PWR B MODE STAT DUPLX STACK 1 2 1X 2X X 12X 13X 14X 23X 24X Installing the Switch Chapter 2 Switch Installation Attaching the Cable Guide We recommend that you attach the cable guide to prevent the cables from obscuring the front panel of the switch and the other devices that are installed in the rack. Use the supplied black screw, as shown in Figure 2-9, to attach the cable guide to the left or right bracket. Figure 2-9 Attaching the Cable Guide on the Switch MASTR CONSOLE SPEED Catalyst 3750 Metro series ES PORTS Cable guide screw Wall-Mounting To install the switch on a wall, follow these instructions: Attaching the Brackets to the Switch for Wall-Mounting, page 2-12 Mounting the Switch on a Wall, page 2-13 Attaching the Brackets to the Switch for Wall-Mounting Figure 2-10 shows how to attach two 19-inch brackets to one side of the switch. Follow the same steps to attach the other two brackets to the opposite side. Figure 2-10 Attaching the 19-inch Brackets for Wall-Mounting Catalyst 3750 Metro series ES PORTS Phillips truss-head screws 2-12

31 MODE Chapter 2 Switch Installation Installing the Switch Mounting the Switch on a Wall For the best support of the switch and cables, make sure that the switch is attached securely to wall studs or to a firmly attached plywood mounting backboard. Mount the switch with the front panel facing up, as shown in Figure Warning To comply with safety regulations, mount switches on a wall with the front panel facing up. Statement 266 Warning Suitable for mounting on or over concrete or other non-combustible surface only. Statement 345 Figure 2-11 Mounting the Switch on a Wall SYST RPS MASTR STAT DUPLX SPEED STACK User-supplied screws After the switch is mounted on the wall, perform these tasks to complete the installation, to run the setup program, and to access the switch: Connect to the console port, and start the emulation software. See the Connecting to the Console Port section on page C-3 and the Starting the Terminal-Emulation Software section on page C-3. Power on the switch. See the Connecting to a Power Source section on page C

32 Installing and Removing SFP Modules Chapter 2 Switch Installation Table- or Shelf-Mounting Run the setup program. See the Completing the Setup Program section on page C-5. Connect to the front-panel ports. See the Connecting to the 10/100 Ports section on page 2-17 and the Connecting to an SFP Module section on page 2-18 to complete the installation. To use the CLI, enter commands at the Switch> prompt through the console port by using a terminal program or through the network by using Telnet. For configuration information, refer to the switch software configuration guide or the switch command reference. Follow these steps to install the switch on a table or shelf: Step 1 Step 2 Locate the adhesive strip with the rubber feet in the mounting-kit envelope. Attach the four rubber feet to each of the corners on the bottom of the unit. Place the switch on the table or shelf near an AC power source. After the switch is mounted on the table, you might need to perform these tasks to complete the installation, run the setup program, and access the switch: Connect to the console port, and start the emulation software. See the Connecting to the Console Port section on page C-3 and the Starting the Terminal-Emulation Software section on page C-3. Power on the switch. See the Connecting to a Power Source section on page C-4. Run the setup program. See the Completing the Setup Program section on page C-5. Connect to the front-panel ports. See the Connecting to the 10/100 Ports section on page 2-17 and the Connecting to an SFP Module section on page 2-18 to complete the installation. To use the CLI, enter commands at the Switch> prompt through the console port by using a terminal program or through the network by using Telnet. For configuration information, refer to the switch software configuration guide or the switch command reference. Installing and Removing SFP Modules These sections describe how to install and remove SFP modules. SFP modules are inserted into SFP module slots on the front of the switch. These field-replaceable modules provide uplink interfaces. You can use any combination of SFP modules. Refer to the release notes for the list of SFP modules that the Catalyst 3750 Metro switch supports. Each port must match the wave-length specifications on the other end of the cable, and the cable must not exceed the stipulated cable length for reliable communications. See Table B-2 on page B-5 for cable specifications. Use only Cisco SFP modules on the Catalyst 3750 Metro switch. Each SFP module has an internal serial EEPROM that is encoded with security information. This encoding provides a way for Cisco to identify and validate that the SFP module meets the requirements for the switch. For detailed instructions on installing, removing, and cabling the SFP module, refer to your SFP module documentation. 2-14