Cisco OL-16447-01 User Manual

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Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

February 2009

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Text Part Number: OL-16447-01

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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: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If the equipment causes interference to radio or television reception, which can be determined by turning the equipment off and on, users are encouraged to try to correct the interference by using one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Modifications to this product not authorized by Cisco 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. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

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relationship between Cisco and any other company. (1110R)

Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

IMPLIED, INCLUDING, WITHOUT

CONTENTS

Preface vii

Audience i-vii

Purpose i-vii

Related Publications i-viii

Obtaining Documentation and Submitting a Service Request i-ix

CHAPTER

1 Product Overview 1-1

Setting Up the Switch 1-1

Switch Models 1-1

Front Panel 1-2

AC- and DC-Power Input Connectors 1-4 Alarm Input Port 1-4 Management Port 1-5 10/100 Fast Ethernet Ports 1-5 Dual-Purpose Ports 1-5 SFP Modules 1-5

SFP Module Patch Cable 1-6 UNIs, NNIs, and ENIs 1-7 LEDs 1-7

Switch LED Panels 1-8

Power-Supply Module LEDs 1-9

Ethernet Management Port LED 1-10

Alarm LEDs 1-11

Port LEDs 1-11

Dual-Purpose Port LEDs 1-11

CHAPTER

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Rear Panel 1-12

Power Supply Features 1-13

Management Options 1-14

Network Configurations 1-14

2 Switch Installation 2-1

Warnings 2-1

Installation Guidelines 2-4

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

iii

Contents

Verifying Switch Operation 2-5

Powering Off the Switch 2-5

Installing the Switch 2-5

Rack-Mounting 2-6

Removing Screws from the Switch 2-6 Attaching Brackets to the Switch 2-7 Mounting in a Rack 2-13

Wall-Mounting 2-14

Attaching Brackets for Wall-Mounting 2-14 Mounting the Switch on a Wall 2-15

Table- or Shelf-Mounting 2-19

Installing and Removing SFP Modules 2-19

Installing SFP Modules 2-19 Removing SFP Modules 2-21

Inserting and Removing the SFP Module Patch Cable 2-21

Removing the SFP Module Patch Cable 2-22

CHAPTER

Connecting to the 10/100 and 10/100/1000 Ports 2-22

Connecting to Fiber-Optic SFP Modules 2-24

Connecting to 1000BASE-T SFP Modules 2-25

Connecting to Dual-Purpose Ports 2-26

Where to Go Next 2-26

3 Installing and Removing AC- and DC-Power-Supply Modules 3-1

Product Overview 3-1

Power-Supply Module Description 3-1 Handle-Side Description 3-2 Connector-Side Description 3-4

Power-Supply Module Installation 3-4

Tools and Equipment 3-5 Installation Guidelines 3-5 Installing an AC-Power-Supply Module 3-6 Removing AC-Power-Supply Modules 3-7 Installing a DC-Power-Supply Module 3-8

Preparing for Installation 3-9 Grounding the Switch 3-9 Installing the DC-Power-Supply Module in the Switch 3-11 Wiring the DC-Input Power Source 3-12

Removing the DC-Power-Supply Module 3-16

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Power Supply Settings 3-17

Contents

CHAPTER

4 Troubleshooting 4-1

Diagnosing Problems 4-1

Switch POST Results 4-1 Switch LEDs 4-2 Switch Connections 4-2

Bad or Damaged Cable 4-2

Ethernet and Fiber Cables 4-2

Link Status 4-2

SFP Module Port Issues 4-3

Port and Interface Settings 4-3

Ping the End Device 4-3

Spanning Tree Loops 4-3 Switch Performance 4-4

Speed, Duplex, and Autonegotiation 4-4

Autonegotiation and NICs 4-4

Cabling Distance 4-4

Clearing the Switch IP Address and Configuration 4-4

Finding the Switch Serial Number 4-5

APPENDIX

A Technical Specifications A-1

Environmental Ranges and Technical Specifications for the Switch A-1

Environmental and Technical Specifications for the Power-Supply Modules A-6

B Connector and Cable Specifications B-1

Connector Specifications B-1

10/100 B-1 SFP Module Connectors B-2 Dual-Purpose Ports B-3 10/100 Ethernet Management Port B-3 Alarm Input Port B-3

Cables and Adapters B-4

SFP Module Cables B-4 Cable Pinouts B-6 Console Port Adapter Pinouts B-7

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Contents

APPENDIX

NDEX

C Configuring the Switch with the CLI-Based Setup Program C-1

Accessing the CLI Through the Console Port C-1

Starting the Terminal-Emulation Software C-1

Entering the Initial Configuration Information C-2

IP Settings C-2 Completing the Setup Program C-2

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Audience

Purpose

Preface

This guide is for the networking or computer technician installing the Cisco Metro Ethernet (ME) 3400E Series Ethernet Access switch, also known as the switch. We assume that you are familiar with the concepts and terminology of Ethernet and local area networking.

This guide describes the hardware features of the 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 Cisco.com at:

http://www.cisco.com/en/US/products/ps9637/tsd_products_support_series_home.html

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.

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Related Publications

Preface

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.

SAVE THESE INSTRUCTIONS

Statement 1071

The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Cisco ME 3400E Ethernet Access Switches that ships with the product on

the documentation CD. The EMC regulatory statements are also included in that guide.

Related Publications

These documents provide information about the switch and are available from this Cisco.com site:

http://www.cisco.com/en/US/products/ps9637/tsd_products_support_series_home.html

• Release Notes for the Cisco ME 3400E Ethernet Access Switch

Note Before installing, configuring, or upgrading the switch, see the release notes on Cisco.com for

the latest information.

• Cisco ME 3400E Ethernet Access Switch Software Configuration Guide

• Cisco ME 3400E Ethernet Access Switch Command Reference

• Cisco ME 3400E, ME 3400, and ME 2400 Ethernet Switches System Message Guide

• Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

• Cisco ME 3400E Ethernet Access Switch Getting Started Guide

• Cisco ME 3400E Ethernet Access Switch Power-Supply Module Quick Start Guide

• Regulatory Compliance and Safety Information for the Cisco ME 3400E Ethernet Access Switch

• Cisco Small Form-Factor Pluggable Modules Installation Notes

• Cisco CWDM GBIC and CWDM SFP Installation Notes

These compatibility matrix documents are available from this Cisco.com site:

http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html

• Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix

• Cisco 100-Megabit Ethernet SFP Modules Compatibility Matrix

• Cisco CWDM SFP Transceiver Compatibility Matrix

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Preface

Obtaining Documentation and Submitting a Service Request

• 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:

http://www.cisco.com/en/US/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.

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Obtaining Documentation and Submitting a Service Request

Preface

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

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CHAP T E R

Product Overview

The Cisco Metro Ethernet (ME) 3400E Ethernet Access switch—referred to as the switch—is an Ethernet home

• Setting Up the Switch, page 1-1

• Switch Models, page 1-1

• Front Panel, page 1-2

• Rear Panel, page 1-12

• Power Supply Features, page 1-13

• Fans, page 1-14

• Management Options, page 1-14

access switch that you can connect to other network devices, such as routers, other switches, a

access gateway (HAG), or a computer.

Setting Up the Switch

See the Cisco ME 3400E Ethernet Access Switch Getting Started Guide on the documentation CD for instructions on how to initially configure your switch. The getting started guide also covers switch management options, basic rack-mounting procedures, port and module connections, power connection procedures, and troubleshooting help.

For instructions on setting up your switch using the command-line interface (CLI), see Appendix C,

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

Switch Models

You can deploy the switch as a backbone switch, aggregating 10BASE-T, 100BASE-TX, 1000BASE-T, and fiber-optic Ethernet traffic from other network devices.

See the switch software configuration guide for examples that show how you might deploy the switch in your network.

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Front Panel

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Front Panel

Chapter 1 Product Overview

Table 1-1 Cisco ME 3400E Models and Descriptions

Switch Model Description

Cisco ME 3400E-24TS-M 24 10/100 FastEthernet downlink ports and 2 dual-purpose ports

(2 10/100/1000BASE-T copper ports and 2 SFP1 module slots); supports removable AC- and DC-power supplies.

Cisco ME 3400EG-12CS-M 12 dual-purpose ports and 4 SFP-module slots; supports removable

AC- and DC-power supplies.

Cisco ME 3400EG-2CS-A 2 dual-purpose ports and 2 SFP-module slots, AC-power input.

1. SFP = small form-factor pluggable.

Figure 1-1 shows the Cisco ME 3400E-24TS-M front panel. The 10/100 Fast Ethernet downlink ports

are grouped in pairs. The first member of the pair (port 1) is above the second member (port 2) on the left. Port the dual-purpose ports as either copper-based 10/100/1000 ports or as fiber-optic SFP-module ports. See the

3 is above port 4, and so on. The dual-purpose ports are numbered 1 and 2. You can configure

“SFP Modules” section on page 1-5 for more information.

Figure 1-1 Cisco ME 3400E-24TS-M Front Panel

1 AC-power input connectors 1 and 2 6 Ethernet management port

2 DC-power input connectors (supports

7 10/100 Fast Ethernet downlink ports 1 to 24

power feeds A and B)

3 LEDs 8 10/100/1000 ports

4 Alarm input port 9 SFP-module slots

5 Console port

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The Cisco ME 3400EG-12CS-M has 12 dual-purpose ports, numbered 1 to 12, and supports both AC and DC power. You can configure these as either copper-based 10/100/1000 ports or as fiber-optic SFP-module ports. The Gigabit Ethernet uplink SFP-module slots are numbered 13 to 16.

Figure 1-2 Cisco ME 3400EG-12CS-M Front Panel

Front Panel

AC-power input connectors 1 and 2 6 Ethernet management port

2 DC-power input connectors A and B 7 SFP-module slots

3 LEDs 8 10/100/1000 ports

4 Alarm input port 9 Gigabit Ethernet SFP-module slots

5 Console port

The Cisco ME 3400EG-2CS-A has two dual-purpose ports, numbered 1 and 2. See Figure 1-3. You can configure these ports as either copper-based 10/100/1000 ports or as fiber-optic SFP-module ports. The Gigabit Ethernet uplink SFP-module slots are numbered 3 and 4.

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1-3

Front Panel

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Chapter 1 Product Overview

Figure 1-3 Cisco ME 3400EG-2CS-A Front Panel

1 LEDs 5 Air intake vents

2 Alarm input port 6 10/100/1000 ports

3 Console port 7 Gigabit Ethernet SFP-module slots

4 Ethernet management port 8 SFP-module slots

AC- and DC-Power Input Connectors

The Cisco ME 3400E-24TS-M and the Cisco ME 3400EG-12CS support combinations of power-supply modules: two AC, two DC, or one AC and one DC. The two AC- and one DC-power connectors on the front panel accommodate the mixture of AC- and DC-power-supply modules. The DC-power connector has the standard A and B feeds for DC redundancy. See

DC-Power-Supply Modules.”

Chapter 3, “Installing and Removing AC- and

Alarm Input Port

The switch supports four alarm inputs. The alarm input is a dry-contact alarm port. Use the CLI to define each alarm input to respond to a normally open or closed dry-contact closure and to define the alarm severity as minor, major, or critical. When a condition triggers an alarm, the console displays an alarm message, and the corresponding Alarm LED responds (see the

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“Alarm LEDs” section on page 1-11).

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Chapter 1 Product Overview

Management Port

You can connect the switch to a host such as a Windows workstation or a terminal server through the 10/100

Ethernet management port or the console port. The 10/100 Ethernet management port connection uses a standard RJ-45 crossover or straight-through Ethernet cable. The console port connection uses the supplied RJ-45-to-DB-9 female cable.

The Ethernet management port operates in any combination of half duplex, full duplex, or 10 or 100 Mb/s, and its traffic is isolated from the other ports. See Tab le 1-7 for descriptions of the Ethernet management port LEDs. See the “10/100 Ethernet Management Port” section on page B-3 for pinout information.

For console port and adapter pinout information, see the “Console Port Adapter Pinouts” section on

page B-7.

10/100 Fast Ethernet Ports

You can set the 10/100 ports on the switch to operate in any combination of half duplex, full duplex, or 10 or 100 Mb/s. You can set the ports for speed and duplex autonegotiation. The default setting is autonegotiate.

When set for autonegotiation, the port senses 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 (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 328 feet (100

Front Panel

meters).

Dual-Purpose Ports

You can configure the dual-purpose ports on the switch as either 10/100/1000 ports or as SFP-module ports. You can set the 10/100/1000 ports to autonegotiate. You can also configure them as fixed 10, 100, or 1000 Mb/s (Gigabit) Ethernet ports.

By default, the switch dynamically selects the medium for each dual-purpose port (10/100/1000BASE-T or SFP). When a link is achieved on one media type, the switch disables the other media type until the active link goes down. If links are active on both media, the SFP-module port has priority, but you can manually designate the port as an RJ-45 port or an SFP port by using the media-type interface configuration command.

You can configure the speed and duplex settings consistent with the selected media type. For information on configuring interfaces, see the switch software configuration guide.

SFP Modules

The switch Gigabit Ethernet SFP modules are used for connections to other devices. These transceiver modules are field-replaceable, providing the uplink interfaces when inserted in an SFP-module slot. You can use any combination of SFP modules. The SFP modules have LC connectors for fiber-optic connections or RJ-45 connectors for copper connections.

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Front Panel

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Chapter 1 Product Overview

For more information on configuring interfaces, see the switch software configuration guide.

Table 1-2 Supported Cisco SFP Modules

Part Number Description

GLC-FE-100BX-D GLC-FE-100BX-U

GLC-FE-100EX 100BASE-EX

GLC-FE-100FX 100BASE-FX

GLC-FE-100LX 100BASE-LX10

GLC-FE-100ZX 100BASE-ZX

GLC-BX-D GLC-BX-U

GLC-LH-SM SFP-GE-L

GLC-SX-MM GLC-GE-S

GLC-T SFP-GE-T

SFP-GE-ZX-SM 1000BASE-ZX

CWDM-xxxx-SFP CWDM

DWDM-xxxx-SFP DWDM

1. Supported on SFP-only ports, not supported on dual-purpose ports.

100BASE-BX10

1000BASE-BX10

1000BASE-LX/LH

1000BASE-SX

1000BASE-T and 10/100/1000BASE-T

Note The Cisco ME 3400E-24TS-M does not support 1000BASE-T SFP modules.

For more information about SFP modules, see your SFP module documentation and the “Installing and

Removing SFP Modules” section on page 2-19. For cable specifications, see Appendix B, “SFP Module Connectors.”

SFP Module Patch Cable

The switch supports the SFP-module patch cable, a 0.5-meter, copper, passive cable with SFP module connectors at each end (see Figure 1-4). The patch cable connects two switches in a cascaded configuration.

Figure 1-4 SFP-Module Patch Cable

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Chapter 1 Product Overview

See the “Inserting and Removing the SFP Module Patch Cable” section on page 2-21 for more information about using the SFP module patch cable.

You can order the SFP module patch cable (part number CAB-SFP-50CM=).

UNIs, NNIs, and ENIs

The switch supports user-network interfaces (UNIs), network node interfaces (NNIs), and enhanced network interfaces (ENIs). UNIs are typically connected to a host, such as customer premises equipment (CPE) or a home access gateway. NNIs are typically connected to a router or to another switch. ENIs have the same functionality as UNIs, but can be configured to support protocol control packets for Cisco Discovery Protocol (CDP), Spanning-Tree Protocol (STP), Link Layer Discovery Protocol (LLDP), EtherChannel Link Aggregation Control Protocol (LACP), or Port Aggregation Protocol (PAgP). Every port is in an UNI, ENI, or NNI mode at any time, but not all ports have to all be set the same.

By default, the dual-purpose ports on the Cisco ME 3400E-12CS-M and on the Cisco ME 3400EG-2CS-A are configured as UNIs, and the SFP-only uplink ports are configured as NNIs. You must specifically configure ports to be ENIs; no ports are ENIs by default. By default, the 10/100 ports on the Cisco ME 3400E-24TS-M are UNIs, and the dual-purpose ports are NNIs.

A port can be reconfigured from UNI to NNI or an ENI, and the reverse. When a port is reconfigured as another interface type, it inherits all the characteristics of that interface type. For information on configuring interfaces, see the switch software configuration guide.

Front Panel

LEDs

You can use the switch system and port LEDs to monitor switch activity and performance.

• Switch LED Panels, page 1-8

• Power-Supply Module LEDs, page 1-9

• Ethernet Management Port LED, page 1-10

• Alarm LEDs, page 1-11

• Port LEDs, page 1-11

• Dual-Purpose Port LEDs, page 1-11

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Switch LED Panels

Chapter 1 Product Overview

Figure 1-5 Cisco ME 3400E-24TS-M and Cisco ME 3400EG-12CS-M System and Alarm LEDs

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1 SYST (system) LED 5 ALM 1 (alarm 1) LED

2 PSU 1 (power supply 1) LED 6 ALM 2 (alarm 2) LED

3 PSU 2 (power supply 2) LED 7 ALM 3 (alarm 3) LED

4 MGMT (Ethernet management port) LED 8 ALM 4 (alarm 4) LED

Figure 1-6 Cisco ME 3400EG-2CS-A System and Alarm LEDs

1 SYST (system) LED 4 ALM 2 (alarm 2) LED

2 MGMT (Ethernet management port) LED 5 ALM 3 (alarm 3) LED

3 ALM 1 (alarm 1) LED 6 ALM 4 (alarm 4) LED

Table 1-3 System LED

Color System Status

Off System is not powered on.

Blinking green POST1 is in progress.

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Table 1-3 System LED (continued)

Color System Status

Green System is operating normally.

Amber System is receiving power but is not functioning properly.

1. POST = power-on self-test.

Power-Supply Module LEDs

The power-supply module LEDs show whether power-supply modules 1 and 2 are receiving power.

Figure 1-7 Switch Power-Supply LEDs

Front Panel

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1 AC-power-supply LEDs 3 PSU 2 (power supply 2) LED

2 PSU 1 (power supply 1) LED 4 DC-power-supply LEDs

The Cisco ME 3400E-24TS-M and the Cisco ME 3400EG-12CS-M have power-supply module LEDs labeled PSU 1 and PSU 2. See Figure 1-7.

Table 1-4 PSU 1 and PSU 2 Power-Supply LEDs

Color System Status

Off Power-supply module (1 or 2) is either not installed or not producing power.

Green Power-supply module (1 or 2) is installed and producing power in an acceptable range.

The fans are operating normally.

Red Power-supply module (1 or 2) is not producing power in an acceptable range, or a fan has

failed.

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Front Panel

Chapter 1 Product Overview

When an AC-power-supply module is installed, the AC 1 and AC 2 LEDs show which power supply is on (see Figure 1-7).

Table 1-5 AC-Power-Supply LEDs

Color System Status

Off AC-power-supply module is not installed.

Green AC-power-supply module is installed, and AC-power input (1 or 2) is present.

Amber AC-power-supply module is installed, and AC-power input (1 or 2) is not present.

When DC-power-supply modules are installed, the DC A and DC B LEDs show which power supply is on (see Figure 1-7).

Table 1-6 DC-Power-Supply LEDs

Color System Status

Off DC-power-supply module is not installed. A DC-power-supply module is installed, and a

single DC-power input (A or B) is used and the CLI is configured to allow a single DC-input feed.

Green DC-power-supply module is installed, and the DC-power input (A or B) is present and is

in the operating range.

Amber DC-power-supply module is installed, and the DC-power input (A or B) is not present or

is not in the operating range.

Ethernet Management Port LED

Table 1-7 Ethernet Management Port LED

Color System Status

Off No link, or port was administratively shut down.

Green Link present but not sending or receiving data.

Blinking green Activity. Port is sending or receiving data.

Alternating green/amber

1. CRC = cyclic redundancy check.

2. Jabber errors occur when data packets exceed the prescribed lengths.

Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC1 errors, and alignment and jabber errors2 are monitored for a link-fault indication.

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Alarm LEDs

Port LEDs

Front Panel

Table 1-8 Alarm LEDs

Color System Status

Off No alarm

Amber Minor alarm

Red Major alarm

Blinking red Critical alarm

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.

Table 1-9 Meaning of Port LED Colors

LED Color Meaning

Off No link, or port was administratively shut down.

Green Link present but not sending or receiving data.

Blinking green Activity. Port is sending or receiving data.

Alternating green-amber

Amber Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data.

Dual-Purpose Port LEDs

The dual-purpose port LEDs on the switch show the connection of either a copper-based connector or an SFP module. See Figure 1-8. The ports can autonegotiate, or you can manually configure each dual-purpose port as either an 10/100/1000 with copper connectors or as an SFP-module port, but not both types at the same time.

Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault indication.

After a port is reconfigured, the port LED can remain amber for up to 30 seconds as STP checks the switch for possible loops.

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Rear Panel

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Figure 1-8 Example of the Switch Dual-Purpose Port LEDs

1 SFP-module port in-use LED 3 Copper-based port in-use LED

2 SFP-module slot 4 Copper-based connector

Rear Panel

The rear panel on the Cisco ME 3400E-24TS-M and the Cisco ME 3400EG-12CS-M has two power-supply slots for installing the removable power supplies and a ground connector. See

Figure 1-9.

The rear panel on the Cisco ME 3400EG-2CS-A has a fan exhaust, a ground connection, and an AC-power connector (

Figure 1-9 Cisco ME 3400E-24TS-M and Cisco ME 3400EG-12CS-M Rear Panels

Figure 1-11).

1 Power-supply slot 1 3 Ground connection

2 Power-supply slot 2

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PSU OK

+24V -48V

PSU OK

+24V -48V

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Figure 1-10 Cisco ME 3400E-24TS-M and Cisco ME3400EG-12CS-M Rear Panels

1 Extraction handle

Figure 1-11 Cisco ME 3400EG-2CS-A Rear Panel

Power Supply Features

1 Fan exhaust 3 AC-power connector

2 Ground connection

Power Supply Features

The Cisco ME 3400E-24TS-M and Cisco ME 3400EG-12CS-M support two modular redundant power supplies, either AC or DC. The switch requires a single power supply to operate. If a failure occurs with a power supply, replace only that failed power supply to maintain redundancy.

See Chapter 3, “Installing and Removing AC- and DC-Power-Supply Modules,” for instructions on installing the AC- and DC-power supplies. See Appendix A, “Technical Specifications,” for voltage and other specifications.

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Fans

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Front

Back

Chassis Airflow

Fans

Chapter 1 Product Overview

Air flow on an ME-3400E-24TS-M is front to back.

Figure 1-12 ME-3400E-24TS-M Air Flow

The switch can operate with only one fan. For maximum efficiency, at least two of the four fans should be operational in a warm environment. A power supply immediately.

fan failure triggers an alarm. When a fan fails, replace the

Management Options

• Cisco IOS 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 the switch command reference on Cisco.com for more information.

For setup instructions that use the CLI, go to Appendix C, “Configuring the Switch with the

CLI-Based Setup Program.”

• CiscoView application

The CiscoView device-management application displays the switch image so that you can set configuration parameters and 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. See 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. See the switch software configuration guide on Cisco.com and the documentation that came with your SNMP application for more information.

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Chapter 1 Product Overview

Network Configurations

See the switch software configuration guide on Cisco.com for an explanation of network configuration concepts. The software configuration guide also provides examples of network configurations that use the switch to create dedicated network segments that are interconnected through Ethernet connections.

Management Options

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Chapter 1 Product Overview

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CHAP T E R

Switch Installation

Read the topics and perform the procedures in this order:

• Warnings, page 2-1

• Installation Guidelines, page 2-4

• Verifying Switch Operation, page 2-5

• Installing the Switch, page 2-5

• Installing and Removing SFP Modules, page 2-19

• Inserting and Removing the SFP Module Patch Cable, page 2-21

• Connecting to the 10/100 and 10/100/1000 Ports, page 2-22

• Connecting to Fiber-Optic SFP Modules, page 2-24

• Connecting to 1000BASE-T SFP Modules, page 2-25

• Connecting to Dual-Purpose Ports, page 2-26

• Where to Go Next, page 2-26

Warnings

Warning

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These warnings are translated into several languages in the Regulatory Compliance and Safety Information for the Cisco ME 3400E Ethernet Access Switches document that ships with the switch.

These warning statements apply to all the switches:

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.

Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and equipment damage.

Statement 48

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

Statement 43

2-1

Warnings

Chapter 2 Switch Installation

Warning

Blank faceplates (filler panels) serve three important functions: they prevent exposure to hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all cards and faceplates are in place.

Warning

Note Ethernet cables must be shielded and grounded at both ends when they are used in a central office

Ethernet cables must be shielded when used in a central office environment.

Statement 156

Statement 171

environment.

Warning

Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people

Warning

and damage to the system.

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Statement 378

Statement 1001

Warning

Read the installation instructions before connecting the system to the power source.

Statement 1004

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

Statement 1006

Statement 1008

Warning

the rack.

Class 1 laser product.

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

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Chapter 2 Switch Installation

Warnings

Warning

The plug-socket combination must be accessible at all times, because it serves as the main disconnecting device.

Statement 1019

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

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Ultimate disposal of this product should be handled according to all national laws and regulations.

Statement 1040

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

Caution To comply with the Telcordia GR-1089 Network Equipment Building Systems (NEBS) standard for

When installing or replacing the unit, the ground connection must always be made first and disconnected last.

No user-serviceable parts inside. Do not open.

Installation of the equipment must comply with local and national electrical codes.

Statement 1046

Statement 1073

Statement 1074

electromagnetic compatibility and safety, connect the Ethernet cables only to intrabuilding or nonexposed wiring or cabling.

Note The grounding architecture of this product is DC-isolated (DC-I).

You can use the grounding lug to attach a wrist strap for ESD protection during servicing.

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Installation Guidelines

Chapter 2 Switch Installation

These warning statements apply to the Cisco ME 3400E-24TS-M and the Cisco ME 3400EG-12CS-M:

Warning

To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of: 149•F (65•C)

This unit might have more than one power supply connection. All connections must be removed to de-energize the unit.

Statement 1047

This warning statement applies to the Cisco ME 3400EG-2CS-A:

Warning

To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of: 140•F (60•C)

Statement 1047

Installation Guidelines

Before installing the switch, verify that these guidelines are met:

• For Ethernet ports, including the 10/100, the 10/100/1000 dual-purpose, and 1000BASE-T SFP

module ports, cable lengths from the switch to connected devices can be up to 328 feet (100 meters).

• For cable requirements for SFP module connections, see the “Cable Pinouts” section on page B-6.

• Operating environment is within the ranges listed in Appendix A, “Technical Specifications.”

Statement 1028

• Front-panel indicators can be easily read, and access to ports is sufficient for unrestricted cabling.

• AC-power cord reaches from the power outlet to the connector.

• Cabling is away from sources of electrical noise, such as radios, power lines, and fluorescent

lighting fixtures. Make sure that the cabling is safely away from other devices that might damage the cables.

• Airflow around the switch and through the vents is unrestricted.

Note If the switch is installed in a closed or multirack assembly, the temperature around it might be

greater than normal room temperature.

• Before you connect the switch to a power source, note the power consumption specifications in

Appendix A, “Technical Specifications.”

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Chapter 2 Switch Installation

Verifying Switch Operation

Before installing the switch in a rack, on a wall, on a table, or on a shelf, you should power the switch and verify that the switch passes the power-on self-test (POST).

• To power on the Cisco ME 3400E-24TS-M and Cisco ME 3400EG-12CS-M, see Chapter 3,

“Installing and Removing AC- and DC-Power-Supply Modules.”

• To power on the Cisco ME 3400EG-2CS-A, connect one end of the AC- power cord to the AC-power

connector on the switch, and connect the other end of the power cord to an AC-power outlet. (See

Figure 2-1.)

Figure 2-1 Cisco ME 3400EG-2CS-A Rear Panel

Verifying Switch Operation

280951

When the switch begins POST, the System LED blinks green, and the other LEDs remain solid green. When the switch passes POST, the System LED becomes solid green. The other LEDs turn off and return to their operating status. If the switch fails POST, the System LED is solid amber.

Note Contact Cisco Systems immediately if your switch fails POST.

Powering Off the Switch

After a successful POST, disconnect the power cord from the switch. Install the switch in a rack, on a wall, on a table, or on a shelf as described in the

Installing the Switch

• Rack-Mounting, page 2-6

• Wall-Mounting, page 2-14

• Table- or Shelf-Mounting, page 2-19

“Installing the Switch” section on page 2-5.

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Installing the Switch

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Rack-Mounting

To install the switch in a 19-inch, 23-inch, 24-inch rack, or a European Telecommunications Standards Institute (ETSI) rack, follow these instructions. (The 24-inch racks and the ETSI racks require optional mounting hardware.)

• Removing Screws from the Switch, page 2-6

• Attaching Brackets to the Switch, page 2-7

• Mounting in a Rack, page 2-13

Chapter 2 Switch Installation

Warning

Note Installing the switch in a 24-inch rack requires an optional bracket kit that is not included with the

• 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

switch. You can order a kit containing the 24-inch rack-mounting brackets and hardware from Cisco. The kit part number is RCKMNT-1RU= (700-12398-XX).

Removing Screws from the Switch

First remove the screws in the switch chassis so that the mounting brackets can be attached (Figure 2-2).

Figure 2-2 Removing Screws from the Switch

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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, 23-inch, 24-inch, or an ETSI rack. Figure 2-3 shows the standard types of mounting brackets.

Figure 2-3 Rack-Mounting Brackets

Installing the Switch

19-inch brackets 3 24-inch rack-mounting brackets

2 23-inch mounting brackets 4 ETSI-rack brackets

• For 19-inch racks, use part number RCKMNT-19IN-1RU (700-08209-XX) on all except the

Cisco ME 3400EG-2CS-A, and see Figure 2-4 on page 2-8. For the Cisco ME 3400EG-2CS-A, use RCKMNT-19-CMPCT= (700-23401-XX), and see Figure 2-5 on

page 2-9.

• For 23-inch racks, use part number RCKMNT-23IN-1RU (700-21646-XX) on all except the

Cisco ME 33400EG-2CS-A, and see Figure 2-6 on page 2-10. For the Cisco ME 3400EG-2CS-A, use RCKMNT-23-CMPCT= (700-23402-01).

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Installing the Switch

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• For 24-inch racks, use part number RCKMNT-24IN-1RU (700-13248-XX), and see Figure 2-7 on

page 2-11.

• For ETSI racks, use part number RCKMNT-ETSI-1RU= (700-19781-XX), and see Figure 2-8 on

page 2-12. The Cisco ME 3400EG-2CS-A does not support the ETSI racks.

Attaching Brackets for 19-Inch Racks

Figure 2-4 shows how to attach brackets for 19-inch racks on all switches except the

Cisco ME 3400EG-2CS-A.

Figure 2-4 Attaching Brackets for 19-Inch Racks

Chapter 2 Switch Installation

2-8

1 Phillips flat-head screws 3 Rear-mounting position

2 Front-mounting position 4 Mid-mounting position

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Attaching Brackets on Cisco ME 3400EG-2CS-A for 19-Inch, 23-Inch, and 24-Inch Racks

Figure 2-5 shows how to use the tab on the bracket and the Phillips flat-head screw to attach the short

side of each bracket to the switch.

Figure 2-5 Attaching Brackets for 19-Inch, 23-Inch, and 24-Inch Racks

Installing the Switch

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Installing the Switch

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Attaching Brackets for 23-Inch Racks

Figure 2-6 shows how to attach brackets for the 23-inch racks on all switches except the

Cisco ME 3400EG-2CS-A.

Figure 2-6 Attaching Brackets for 23-Inch Racks

Chapter 2 Switch Installation

2-10

1 Phillips flat-head screws 3 Rear-mounting position

2 Front-mounting position 4 Mid-mounting position

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Chapter 2 Switch Installation

Attaching Brackets for 24-Inch Racks

Figure 2-7 shows how to attach brackets for the 24-inch racks on all switches except the

Cisco ME 3400EG-2CS-A.

Figure 2-7 Attaching Brackets for 24-Inch Racks

Installing the Switch

1 Phillips flat-head screws 3 Rear-mounting position

2 Front-mounting position 4 Mid-mounting position

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Installing the Switch

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Attaching Brackets for ETSI Racks

Figure 2-8 shows how to attach brackets for the ETSI racks on all switches except the

Cisco ME 3400EG-2CS-A.

Figure 2-8 Attaching Brackets for ETSI Racks

Chapter 2 Switch Installation

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1 Phillips flat-head screws 3 Rear-mounting position

2 Front-mounting position 4 Mid-mounting position

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Chapter 2 Switch Installation

Mounting in a Rack

After the brackets are attached on the switch, use the four supplied number-12 Phillips machine screws to securely attach the brackets to the rack. See Figure 2-9.

Figure 2-9 Mounting in a Rack

Installing the Switch

1 Phillips machine screws 2 Cable guide and screw

Figure 2-10 Mounting Cisco ME 3400EG-2CS-A in a Rack

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1 Black Phillips machine screw 3 Number-10 Phillips truss-head screws

2 Cable guide

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Installing the Switch

After the switch is mounted in the rack, you need to do these tasks to complete the installation:

• Power on the switch. See the “Verifying Switch Operation” section on page 2-5.

• Connect to the RJ-45 connector of a dual-purpose port, and run the initial configuration dialog.

• Connect to the front-panel ports. See the “Connecting to the 10/100 and 10/100/1000 Ports” section

• We recommend attaching the cable guide to prevent the cables from obscuring the front panel of the

For configuration instructions about using the CLI setup program, go to Appendix C, “Configuring the

Switch with the CLI-Based Setup Program.”

Wall-Mounting

• Attaching Brackets for Wall-Mounting, page 2-14

• Mounting the Switch on a Wall, page 2-15

Chapter 2 Switch Installation

See the Cisco ME 3400E Ethernet Access Switch Getting Started Guide for instructions.

on page 2-22, the “Connecting to Fiber-Optic SFP Modules” section on page 2-24, and the “Connecting to 1000BASE-T SFP Modules” section on page 2-25 to complete the installation.

switch and the other devices installed in the rack. Use the supplied black screw shown in Figure 2-9 to attach the cable guide to the left or right bracket.

Note Wall-mounting has not been evaluated for NEBS applications.

Attaching Brackets for Wall-Mounting

Figure 2-11 Attaching 19-inch Bracket to Wall-Mount Cisco ME 3400EG-12CS-M or

Cisco ME 3400E-24TS-M

1 Phillips truss-head screws

Follow the same steps to attach the second bracket to the opposite side.

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Chapter 2 Switch Installation

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Figure 2-12 Attaching 19-inch Brackets to Wall-Mount Cisco ME 3400EG-2CS-A

1 Phillips flat-head screw

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.

Warning

Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people and damage to the system.

Statement 378

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Installing the Switch

280843

SU O

-48V

48V

Cisco ME 3400EG-12CS-M

Mount the switch with the front panel facing down (Figure 2-13).

Figure 2-13 Mounting Cisco ME 3400EG-12CS-M on a Wall

Chapter 2 Switch Installation

1 User-supplied screws

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Chapter 2 Switch Installation

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PSU OK

+24V -48V

PSU OK

+24V -48V

Cisco ME 3400E-24TS-M

Mount the switch with the side panel facing up (Figure 2-14).

Figure 2-14 Mounting Cisco ME 3400E-24TS-M on a Wall

Installing the Switch

1 User-supplied screws

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Installing the Switch

Cisco ME 3400EG-2CS-A

Mount the switch with the side panel facing up (Figure 2-15).

Caution The side that has the air vents must face up.

Figure 2-15 Mounting the Cisco ME 3400EG-2CS-A on a Wall

Chapter 2 Switch Installation

2-18

User-supplied screws

You need to do these tasks to complete the installation:

• Power on the switch. See the “Verifying Switch Operation” section on page 2-5.

• Connect to a 10/100 port or to the RJ-45 connector of a dual-purpose port, and run the initial

configuration dialog. See the Cisco ME 3400E Ethernet Access Switch Getting Started Guide for instructions.

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Chapter 2 Switch Installation

• Connect to the front-panel ports. See the “Connecting to the 10/100 and 10/100/1000 Ports” section

on page 2-22, the “Connecting to Fiber-Optic SFP Modules” section on page 2-24, and the “Connecting to 1000BASE-T SFP Modules” section on page 2-25 to complete the installation.

For configuration instructions about using the CLI setup program, go to Appendix C, “Configuring the

Switch with the CLI-Based Setup Program.”

Table- or Shelf-Mounting

Follow these steps to install the switch on a table or a shelf:

Step 1 Place the switch on a table or a shelf near an AC-power source.

Step 2 After the switch is placed on the table or shelf, you need to do these tasks to complete the installation:

• Power on the switch. See the “Verifying Switch Operation” section on page 2-5.

• Connect to a 10/100 port or to the RJ-45 connector of a dual-purpose port, and run the initial

configuration dialog. See the Cisco ME 3400E Ethernet Access Switch Getting Started Guide for instructions.

Installing and Removing SFP Modules

• Connect to the front-panel ports. See the “Connecting to the 10/100 and 10/100/1000 Ports” section

on page 2-22, the “Connecting to Fiber-Optic SFP Modules” section on page 2-24, and the “Connecting to 1000BASE-T SFP Modules” section on page 2-25 to complete the installation.

For configuration instructions about using the CLI setup program, go to Appendix C, “Configuring the

Switch with the CLI-Based Setup Program.”

Note When the connectors are not being used, replace the dust covers on them for protection.

Installing and Removing SFP Modules

Installing SFP Modules

Figure 2-16 shows an SFP module that has a bale-clasp latch.

Caution We strongly recommend that you do not install or remove fiber-optic SFP modules with cables attached

because of the potential damage to the cables, the cable connector, or the optical interfaces in the SFP module. Disconnect all cables before removing or installing an SFP module.

Removing and installing an SFP module can shorten its useful life. Do not remove and insert SFP modules more often than is absolutely necessary.

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Installing and Removing SFP Modules

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280844

Figure 2-16 SFP Module with a Bale-Clasp Latch

Step 1 Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface.

Step 2 Find the send (TX) and receive (RX) markings that identify the top side of the SFP module.

On some SFP modules, the send and receive (TX and RX) markings might be replaced by arrows that show the direction of the connection, either send or receive (TX or RX).

Step 3 Align the SFP module in front of the slot opening and push until you feel the connector on the module

snap into place in the rear of the slot (see Figure 2-17).

Chapter 2 Switch Installation

Figure 2-17 Installing an SFP Module into an SFP Module Slot

Step 4 For fiber-optic SFP modules, remove the dust plugs from the optical ports, and store them for later use.

Caution Do not remove the dust plugs from the fiber-optic SFP module port or the rubber caps from the

fiber-optic cable until you are ready to connect the cable. The plugs and caps protect the SFP module ports and cables from contamination and ambient light.

Step 5 Insert the cable connector into the SFP module:

• For fiber-optic SFP modules, insert the LC or MT-RJ cable connector into the SFP module.

• For copper 1000BASE-T SFP modules, insert the RJ-45 cable connector into the SFP module.

Note When connecting to 1000BASE-T SFP modules, be sure to use a twisted four-pair, Category 5 or

higher cable.

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Chapter 2 Switch Installation

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Removing SFP Modules

Step 1 Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface.

Step 2 Disconnect the cable from the SFP module. For reattachment, note which cable connector plug is send

(TX) and which is receive (RX).

Step 3 Insert a dust plug into the optical ports of the SFP module to keep the optical interfaces clean.

Step 4 Pull the bale out and down to eject the module.

Figure 2-18 Removing a Bale-Clasp Latch SFP Module

Inserting and Removing the SFP Module Patch Cable

Bale clasp

Step 5 Grasp the SFP module, and carefully remove it from the module slot.

Step 6 For fiber-optic SFP modules, insert a dust plug into the optical ports of the SFP module to keep the

optical interfaces clean.

Step 7 Place the removed SFP module in an antistatic bag or other protective environment.

Inserting and Removing the SFP Module Patch Cable

To insert an SFP module patch cable into the SFP module slot, follow these steps:

Step 1 Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface.

Step 2 Insert the SFP module patch cable into the slot until you feel the connector on the cable snap into place

in the rear of the slot (see Figure 2-19).

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Connecting to the 10/100 and 10/100/1000 Ports

Figure 2-19 Inserting an SFP Module Patch Cable into an SFP Module Slot

Step 3 Repeat these steps for the second switch to which you want to connect the first switch.

Figure 2-20 Connecting Two Switches with an SFP Module Patch Cable

Chapter 2 Switch Installation

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Removing the SFP Module Patch Cable

To remove an SFP module patch cable from the SFP module slot, release the connector, and pull it from the SFP module slot.

Connecting to the 10/100 and 10/100/1000 Ports

The switch 10/100 and 10/100/1000 ports configure themselves to operate at the speed of attached devices. If the attached ports do not support autonegotiation, you can explicitly set the speed and duplex parameters. Connecting devices that do not autonegotiate or that have their speed and duplex parameters manually set can reduce performance or result in no linkage.

To maximize performance, choose one of these methods for configuring the Ethernet ports:

• Let the ports autonegotiate both speed and duplex.

• Set the port speed and duplex parameters on both ends of the connection.

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Chapter 2 Switch Installation

Follow these steps to connect to 10BASE-T, 100BASE-TX, or 1000-BASE-T devices:

Step 1 When connecting to workstations, servers, and routers, connect a straight-through cable to an RJ-45

connector on the front panel. (See Figure 2-21.) When connecting to switches or repeaters, use a crossover cable. (See the “Cables and Adapters” section on page B-4 for cable-pinout descriptions.)

Note You can use the mdix auto interface configuration command in the CLI to enable the automatic

medium-dependent interface crossover (auto-MDIX) feature. The switch then detects the required cable type for copper Ethernet connections and configures the interfaces accordingly. Therefore, you can use either a crossover or a straight-through cable for connections to a copper 10/100, 10/100/1000, or 1000BASE-T SFP module port on the switch, regardless of the type of device on the other end of the connection.

Step 2 Connect the other end of the cable to an RJ-45 connector on the other device. The port LED turns on

when both devices have established link. (See Figure 2-21.)

Figure 2-21 Connecting to an Ethernet Port

Connecting to the 10/100 and 10/100/1000 Ports

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The port LED is amber while Spanning Tree Protocol (STP) discovers the topology and searches for loops. This takes about 30 seconds, and then the port LED turns green. If the port LED does not turn on, the device at the other end might not be turned on, or there might be a cable problem or a problem with the adapter installed in the attached device. See

Chapter 4, “Troubleshooting,” for solutions to cabling

problems.

Note On user network interface (UNI) ports, the port LED is green after the link is established. It does

not turn amber because STP is not supported.

Step 3 Reconfigure and reboot the connected device, if necessary.

Step 4 Repeat Steps 1 through 3 to connect each device.

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Connecting to Fiber-Optic SFP Modules

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Connecting to Fiber-Optic SFP Modules

Chapter 2 Switch Installation

Warning

Caution Do not remove the rubber plugs from the SFP module port or the rubber caps from the fiber-optic cable

Class 1 laser product.

Statement 1008

until you are ready to connect the cable. The plugs and caps protect the SFP module ports and cables from contamination and ambient light.

Before connecting to the SFP module, be sure that you understand the port and cabling stipulations in the “Installation Guidelines” section on page 2-4 and in the “SFP Modules” section on page 1-5. See

Appendix B, “Connector and Cable Specifications,” for information about the LC on the SFP module.

Step 1 Remove the rubber plugs from the module port and fiber-optic cable, and store them for future use.

Step 2 Insert one end of the fiber-optic cable into the SFP module port (see Figure 2-22).

Figure 2-22 Connecting to a Fiber-Optic SFP Module Port

2-24

Step 3 Insert the other cable end into a fiber-optic connector on a target device.

Step 4 Observe the port status LED.

The LED turns green when the switch and the target device have an established link.

The LED turns amber while the STP discovers the network topology and searches for loops. This process takes about 30 seconds, and then the port LED turns green.

If the LED is off, the target device might not be turned on, there might be a cable problem, or there might be problem with the adapter installed in the target device. See

Chapter 4, “Troubleshooting,” for

solutions to cabling problems.

Step 5 If necessary, reconfigure and restart the switch or target device.

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Connecting to 1000BASE-T SFP Modules

Follow these steps to connect a Category 5 or higher cable to a 1000BASE-T SFP module (see

Figure 2-23):

Figure 2-23 Connecting to a 1000BASE-T SFP Module

1 RJ-45 connector

Connecting to 1000BASE-T SFP Modules

Caution To prevent ESD damage, follow your normal board and component handling procedures.

Step 1 When connecting to servers, workstations, and routers, insert a four twisted-pair, straight-through

cable in the RJ-45 connector. When connecting to switches or repeaters, insert a four twisted-pair, crossover cable.

Note When connecting to a 1000BASE-T device, be sure to use a four twisted-pair, Category 5 or higher cable.

You can use the mdix auto interface configuration command in the CLI to enable the automatic medium-dependent interface crossover (auto-MDIX) feature. When the auto-MDIX feature is enabled, the switch detects the required cable type for copper Ethernet connections and configures the interfaces accordingly. Therefore, you can use either a crossover or a straight-through cable for connections to a copper 10/100, 10/100/1000, or 1000BASE-T SFP module port on the switch, regardless of the type of device on the other end of the connection.

Step 2 Insert the other cable end in an RJ-45 connector on a target device.

Step 3 Observe the port status LED.

The LED turns green when the switch and the target device have an established link.

The LED turns amber while the STP discovers the network topology and searches for loops. This process takes about 30 seconds, and then the port LED turns green.

If the LED is off, the target device might not be turned on, there might be a cable problem, or there might be problem with the adapter installed in the target device. See Chapter 4, “Troubleshooting,” for solutions to cabling problems.

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Step 4 If necessary, reconfigure and restart the switch or target device.

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Connecting to Dual-Purpose Ports

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Connecting to Dual-Purpose Ports

Step 1 Insert an RJ-45 connector or an SFP module in the port. See Figure 2-24.

For more information about RJ-45 connectors and SFP modules, see the “Connecting to the 10/100 and

10/100/1000 Ports” section on page 2-22 and the “Connecting to Fiber-Optic SFP Modules” section on page 2-24.

Figure 2-24 Connecting to a Dual-Purpose Port

Chapter 2 Switch Installation

Step 2 Connect the other end of the cable to the other device. The switch automatically detects the connection

and configures the port.

By default, the switch detects that either an RJ-45 copper connector or a fiber-optic SFP module in a dual-purpose port and configures the port accordingly. You can change this setting and configure the port to recognize only an RJ-45 connector or only an SFP module by using the media type interface configuration command. For more information, see the switch command reference.

Where to Go Next

You can use the default configuration or use any of the management options described in the

“Management Options” section on page 1-15 to change the switch settings.

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CHAP T E R

Installing and Removing AC- and DC-Power-Supply Modules

This chapter provides the installation and removal instructions for the AC- and DC-power-supply modules for the Cisco ME 3400E-24TS-M and the Cisco ME 3400EG-12CS-M. Your switch ships with at least one power-supply module installed, either AC or DC, depending on your order. The power-supply modules are field-replaceable units (FRUs).

For translations of the safety warnings in this chapter, see the Regulatory Compliance and Safety Information for the Cisco ME 3400E Switch on the documentation CD and also on Cisco.com.

• Product Overview, page 3-1

• Power-Supply Module Installation, page 3-4

• Power Supply Settings, page 3-17

Product Overview

This section gives an overview of the AC- and DC-power-supply modules.

• Power-Supply Module Description, page 3-1

• Handle-Side Description, page 3-2

• Connector-Side Description, page 3-4

Power-Supply Module Description

Table 3-1 Power-Supply Module Model Numbers and Descriptions

Model number Description

ME34X-PWR-AC AC-power-supply and fan module.

ME34X-PWR-DC DC-power-supply and fan module.

ME34X-PWR-BLANK= Spare blank cover for power-supply and fan module slot.

The 80-W AC-power-supply module is an autoranging unit that supports input voltages between 85 and 264 VAC. The DC-power-supply module has dual input feeds (A and B) and supports input voltages between –36 to –72 VDC for telecom applications and +18 to +36 VDC for industrial applications.

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Product Overview

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PSU OK

The AC-power-supply modules ship with a power cord to connect to an AC-power outlet. The DC-power-supply module ships with a terminal block to be wired for DC-power outlet connections.

Each power supply is cooled by internal fans. For maximum efficiency, at least two of the four fans should be operational in a warm environment. A fan failure triggers an alarm. When a fan fails, replace the power supply immediately.

You can order the generic AC-power cord (part number CAB-AC).

Handle-Side Description

Figure 3-1 80-W AC-Power-Supply Module Handle Side

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

1 Power-supply module 3 Extraction handle

2 PSU OK LED

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

280823

+24V

2 3

PSU OK

+24V -48V

280824

Figure 3-2 80-W DC-Power-Supply Module Handle Side

1 Power-supply module 3 DC-power-supply voltage switch

2 PSU OK LED 4 Extraction handle

Product Overview

Figure 3-3 shows the DC-power-supply module PSU OK LED and the DC-voltage selector.

• For telecom applications (–36 to –72 VDC), set the DC-voltage selector to –48 VDC.

• For industrial applications (+18 to +36 VDC), set the DC-voltage selector to +24 VDC.

Figure 3-3 DC-Voltage Selector

The PSU OK LED on the AC-power-supply module looks the same as the one in Figure 3-3. The AC-power-supply module does not have a voltage selector.

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Power-Supply Module Installation

Table 3-2 PSU OK LED Descriptions

AC-Power-Supply Module

LED Description

Off No input power.

Green Operating normally. Input, 12-V output, and both fans OK.

Red Fault detected: 12-V output, fan failure, or input out of range.

DC-Power-Supply Module

LED Description

Off No input power.

Green Operating normally. Input, 12-V output, and both fans OK.

Red Fault detected: 12-V output, fan failure, or input out of range.

Connector-Side Description

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Figure 3-4 shows the connector side of the power-supply module, which connects to the switch rear

panel through its power-supply slot.

Figure 3-4 Power-Supply Module Connector Side

1 Fans 2 Connector pins

Power-Supply Module Installation

• Tools and Equipment, page 3-5

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3-4

• Installation Guidelines, page 3-5

• Installing an AC-Power-Supply Module, page 3-6

• Installing a DC-Power-Supply Module, page 3-8

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Tools and Equipment

Obtain these necessary tools and equipment:

• Ratcheting torque screwdriver with a number-2 Phillips head that exerts up to 15 inch-pounds (in-lb)

of pressure.

• Power-supply power-cord retainer in the switch accessory kit.

Installation Guidelines

Observe these guidelines when you install a power-supply module:

• Do not force the power-supply module into the slot. This can damage the pins on the switch if they

are not aligned with the unit.

• A power-supply module that is only partially connected to the switch can disrupt the system

operation.

• Turn off switch power before you install the module.

• Verify that you are using the correct power cord.

Power-Supply Module Installation

Warning

Caution To prevent overheating and to maintain proper air flow, either a power-supply module or a blank cover

Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed circuitry could constitute an energy hazard.

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Statement 1001

Statement 206

Statement 156

must be installed in each power-supply module slot at all times. Never operate the switch for extended periods of time without either a power-supply module or a blank cover installed in each power-supply module slot. (See Figure 3-5.) You can order the blank cover (part number ME34X-PWR-BLANK=) from Cisco.

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Power-Supply Module Installation

PSU OK

+24V -4

280948

PSU OK

280827

Figure 3-5 Blank Cover Installed on the Power-Supply Slot

Installing an AC-Power-Supply Module

This procedure is for installing an AC-power-supply module in the PSU 1 power-supply slot. Repeat these steps to install a power-supply module in the PSU 2 power-supply slot.

Note If you operate the switch with two power supplies, enter the power-supply dual global

configuration command to configure the switch to send a message when one power supply is missing.

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Each AC-power input is dedicated to one power-supply module (PSU 1 or PSU 2). One AC-power input does not power on both power-supply modules at the same time (

Figure 3-6 AC-Power-Supply Diagram

AC-1

AC-2

PSU-1

PSU-2

280937

Figure 3-6):

To install an AC-powered power-supply module, follow these steps:

Step 1 Verify that the power from the power source is off.

Step 2 Insert the new power-supply module in the power-supply slot, and gently push it into the slot

(see Figure 3-7). When correctly inserted, the power-supply module is flush with the switch rear panel.

Figure 3-7 Inserting an AC-Power-Supply Module in a Switch

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

280828

Step 3 Align the two captive screws with the screw holes in the panel. Use a ratcheting torque screwdriver to

torque each screw to 10 in-lb.

Step 4 Connect the AC-power cord to the front panel power supply and to an AC-power outlet.

Step 5 (Optional) Snap the AC-power-cord retainer into place, and attach the plastic bushing to secure the

power cord (see Figure 3-8).

Figure 3-8 AC-Power Supply and Power-Cord Retainer in a Switch

Power-Supply Module Installation

Step 6 Turn on the power at the power source.

Step 7 Confirm that both the AC 1 LED and the PSU 1 LED are green. (If you can access the switch rear panel,

verify that the PSU OK LED is green.) See Table 3 -2 for a description of the power-supply module LEDs. See Table 1-4 on page 1-9 and Table 1-5 on page 1-10 for system and power-supply LED descriptions.

Removing AC-Power-Supply Modules

Step 1 Turn off the power at its source.

Step 2 Detach the power-cord retainer and the plastic bushing from the power cord.

Step 3 Remove the power cord from the power connector.

Step 4 Use a Phillips screwdriver to loosen the two captive screws that secure the power-supply module to the

chassis. One screw is on the lower right of the module, and the other screw is on the upper left of the module.

Caution Do not leave the power-supply slot open for more than 90 seconds while the switch is running.

Step 5 Remove the power-supply module from the power slot by pulling on the extraction handle.

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Caution To prevent overheating and to maintain proper air flow, either an AC- or DC-power-supply module or a

blank cover should be installed in both power-supply module slots at all times. Never operate the switch for extended periods of time without either a power-supply module or a blank cover installed in the each power-supply module slot. (See Figure 3-5.)

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Power-Supply Module Installation

Installing a DC-Power-Supply Module

This procedure is for installing an DC-power-supply module into the PSU 1 power-supply slot. Repeat these steps to install a power-supply module in the PSU 2 power-supply slot.

To connect the switch to a DC-input power source, follow these steps:

1. Preparing for Installation, page 3-9

2. Grounding the Switch, page 3-9

3. Installing the DC-Power-Supply Module in the Switch, page 3-11

4. Wiring the DC-Input Power Source, page 3-12

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Warning

Caution Installation of the equipment must comply with local and national electrical codes.

Note The grounding architecture of this product is DC-isolated (DC-I).

Note We recommend that you use 18 AWG copper wiring for Network Equipment Building Systems (NEBS)

An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure that no exposed portion of the DC-input power source wire extends from the terminal block plug.

Statement 122

Before connecting or disconnecting ground or power wires to the chassis, ensure that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. Use a voltmeter to test for 0 (zero) voltage at the power terminals on the chassis.

Statement 196

installation. This guideline follows the standard guidelines for DC-power wiring in the central office.

3-8

Note You can use the grounding lug to attach a wrist strap for ESD protection during servicing.

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Each DC-power input (A ± and B ±) is connected to both power-supply module 1 (PSU 1) and power-supply module 2 (PSU 2). The power-supply modules cannot be powered independently. DC inputs and returns are diode-isolated (Figure 3-9).

Figure 3-9 DC-Power-Supply Diagram

PSU-1

DC A DC B

Power-Supply Module Installation

Preparing for Installation

Obtain these necessary tools and equipment:

• Ratcheting torque screwdriver with a number-2 and a number-1 Phillips head that exerts up to

15 inch-pounds (in-lb).

• Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920,

CT-920CH, CT-930, or CT-940CH).

• Wire-stripping tools.

• Copper ground wire (insulated or noninsulated) for the ground connection.

• Dual-hole, right-angle ground lug from the switch accessory kit (for the Cisco ME 3400E-24TS-M

and the Cisco ME 3400EG-12CS-M).

• Dual-hole ground lug from the switch accessory kit (for the Cisco ME 3400EG-2CS-A).

• Four leads of 16-gauge copper wire.

• Four-position DC-terminal-block connector from the accessory kit.

To order a spare or replacement DC-connector, use this source:

• Amphenol PCD: ELFF0422S1 (Cisco part number 29-6063-0).

http://www.amphenolpcd.com/

PSU-2

280936

Grounding the Switch

To make sure that the equipment is reliably connected to earth ground, follow the grounding procedure instructions and observe these warnings:

Warning

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When installing or replacing the unit, the ground connection must always be made first and disconnected last.

Statement 1024

Statement 1046

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Power-Supply Module Installation

Insulation

Wire lead

0.5 in. (12.7 mm) ± 0.02 in. (0.5 mm)

60528

Caution To make sure that the equipment is reliably connected to earth ground, follow the grounding

procedure instructions, and use a UL-listed lug suitable for number-6 AWG wire and two number-10-32 ground-lug screws.

Follow these steps to install either a single-ground lug or a dual-ground lug on the switch. Make sure to follow any grounding requirements at your site.

Step 1 Locate the ground adaptor and the dual-hole lug that ships with the switch.

Step 2 If your ground wire is insulated, use a wire stripping tool to strip the 12-gauge or 6-gauge ground wire

to 0.5 inch (12.7 mm) ± 0.02 inch (0.5 mm) (Figure 3-10). Use 12-gauge copper ground wire for the single-ground connection. Use 6-gauge copper ground wire for the ground connection.

Figure 3-10 Stripping the Ground Wire

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Step 3 Slide the open end of the ground lug over the exposed area of the wire.

Step 4 Use a Panduit crimping tool to crimp the ground lug to the wire (see Figure 3-11).

Figure 3-11 Crimping the Ground Lug

280938

Step 5 Remove the ground screw from the switch rear panel.

Step 6 Attach the dual-hole lug and the wire assembly to the adaptor with the supplied nuts (Figure 3-12).

Step 7 Use a ratcheting torque screwdriver to torque the ground-lug screws to 60 in-lb.

Step 8 Connect the other end of the grounding wire to an appropriate grounding point at your site or to the rack.

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

280939

PSU OK

+24V -4

PSU OK

+24V -48V

280826

Figure 3-12 Attaching the Ground Lug and Wire Assembly

Dual-hole ground lug

Power-Supply Module Installation

Installing the DC-Power-Supply Module in the Switch

Step 1 Verify that power is off at the DC circuits. To ensure that power is removed from the DC circuits, locate

the circuit breakers for the DC circuits, switch the circuit breakers to the OFF position, and tape the circuit-breaker switches in the OFF position.

Step 2 Insert the new power-supply module into the power-supply slot, and gently push it into the slot (see

Figure 3-13). When correctly inserted, the power supply is flush with the switch rear panel.

Figure 3-13 Inserting a DC-Power-Supply Module

Step 3 Align the two captive screws with the screw holes. Use a ratcheting torque screwdriver to torque each

screw to 7 in-lb.

Step 4 Set the DC-voltage selector (see Figure 3-14):

• For telecom applications (–36 to –72 VDC), set the DC-voltage selector to –48 VDC.

• For industrial applications (+18 to +36 VDC), set the DC-voltage selector to +24 VDC.

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Power-Supply Module Installation

PSU OK

+24V -48V

Figure 3-14 DC-Voltage Selector

Step 5 Connect the input power as described in the “Wiring the DC-Input Power Source” section.

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

280824

Wiring the DC-Input Power Source

Before you wire the DC-input power source, review the warnings in this section and this information:

Warning

Caution Connect the unit only to a DC-power source that complies with either DC mains or Safety Extra-Low

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 10 A

Statement 1005

A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.

Statement 1022

Only trained and qualified personnel should be allowed to install or replace this equipment.

Statement 103

Voltage (SELV) requirements in IEC 60950 based safety standards. Do not connect to a hazardous voltage source.

3-12

Caution The DC-power-supply voltage should be within the range that you select on the DC-power-supply

voltage switch, either –36 to –72 VDC or +18 to +36 VDC. If the supply voltage is not in this range, the switch might not operate properly or might be damaged.

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280941

280942

0.25 in. (6.3 mm) ± 0.02 in. (0.5 mm)

60531

Step 1 To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit,

switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position.

Step 2 Locate the terminal block plug (see Figure 3-15).

Figure 3-15 Terminal Block Plug

Step 3 Identify the positive and negative feed positions for the terminal block connection. The wiring sequence

is positive to positive and negative to negative for both the A and the B feed wires.

The switch front panel shows the positive and negative positions for both the A and B feed wires. (See

Figure 3-16.)

Power-Supply Module Installation

Figure 3-16 Positive and Negative Positions

1 Positive position 2 Negative position

Step 4 Use an 18-gauge (1 mm) wire-stripping tool to strip each of the four wires coming from the DC-input

power source to 0.27 inch (6.6 mm) ± 0.02 inch (0.5 mm). Do not strip more than 0.29 inch (7.4 mm) of insulation from the wire. Stripping more than the recommended amount of wire can leave exposed wire from the terminal block plug after installation.

Figure 3-17 Stripping the DC-Input Power Source Wire

Step 5 Insert the exposed wire of one of the four DC-input power source wires into the terminal block plug.

Make sure that you cannot see any wire lead. Only wire with insulation should extend from the terminal block.

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Power-Supply Module Installation

280943

280944

Figure 3-18 Inserting Wires in the Terminal Block Plug

Return (positive) Feed A 3 Return (positive) Feed B

2 Supply (negative) Feed A 4 Supply (negative) Feed B

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Step 6 Use a ratcheting torque screwdriver to torque the terminal block captive screw (above the installed wire

lead) to 4.5 in-lb (see Figure 3-19).

Caution Do not overtorque the terminal-block captive screws. The recommended maximum torque is 4.5 in-lb.

Figure 3-19 Torquing the Terminal-Block Captive Screws

1 Torque to 4.5 in-lb

Step 7 Repeat Step 5 and Step 6 for the remaining three DC-input power source wires. Figure 3-20 shows the

completed wiring of a terminal block plug.

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280945

Figure 3-20 Completed Wiring of Terminal Block Plug for Telecom Applications

Return (positive) Feed A 3 Return (positive) Feed B

2 Supply (negative) Feed A 4 Supply (negative) Feed B

Power-Supply Module Installation

Step 8 Insert the terminal block plug in the terminal block header on the switch front panel. (See Figure 3-21).

Caution Secure the wires coming in from the terminal block so that they cannot be disturbed by casual contact.

For example, use tie wraps to secure the wires to the rack.

Figure 3-21 Inserting the Terminal Block in the Block Header

280946

Step 9 Secure the terminal block by using the screws on the far left and right of the terminal block.

Step 10 Remove the tape from the circuit-breaker switch handle, and move the circuit-breaker handle to the

ON position.

Step 11 Move the DC-power source circuit-breaker handles to the ON position.

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Power-Supply Module Installation

280831

Step 12 Confirm that both the DCA LED and the PSU 1 LEDs are green. (If you can access the switch rear panel,

verify that the power-supply module PSU OK LED is green.) See Table 3-2 on page 3-4 for a description of the power-supply module LEDs. See Table 1-4 on page 1-9 and Table 1-6 on page 1-10 for the status and DC-power-supply LED descriptions.

Figure 3-22 shows the front of the switch when DC-power-supply modules are installed. The DC A and

DC B LEDs are green when the respective feeds are active.

Figure 3-22 DC-Power Terminal Block With Two Feeds

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Note This illustration shows two sets of feeds installed. You can install one set of feeds, A or B.

See the “Power Supply Settings” section on page 3-17 for information on how to configure the power supply settings.

Removing the DC-Power-Supply Module

Step 1 Turn off power at the DC circuits. To ensure that power is removed from the DC circuits, locate the

circuit breakers for the DC circuits, switch the circuit breakers to the OFF position, and tape the circuit-breaker switches in the OFF position.

Step 2 Use a number-2 Phillips screwdriver to remove the plastic safety cover from the power-supply terminal

blocks.

Step 3 Use a number-1 Phillips screwdriver to remove the DC-input power wires from the power terminals.

Step 4 Use a Phillips screwdriver to loosen the two captive screws at the lower edge that secure the

power-supply module to the switch chassis.

Step 5 Remove the power-supply module from the power slot by pulling on the extraction handle.

3-16

Caution To prevent overheating and to maintain proper air flow, either a power-supply module or a blank cover

must be installed in each power-supply module slot at all times.You can order the blank cover (part number ME34X-PWR-BLANK=) from Cisco.

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Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Power Supply Settings

• Use the no power-supply global configuration command (the default) when installing one

power-supply module. The switch does not send an alarm when the second power-supply module is missing.

• Use the power-supply dual global configuration command when installing two power-supply

modules. When both are operating properly, all applicable LEDs are green, and the switch does not send an alarm. If a power-supply module is missing, the switch sends an alarm. An error message appears and the appropriate power-supply LED turns red.

• Use the power-supply dual dc-feed global configuration command when two DC-input feeds are

connected to the DC-power source. When both are operating properly, all the applicable LEDs are green and the switch does not send an alarm. If only one DC-input feed is connected, and there is at least one DC-power-supply module installed, the switch sends an alarm. An error message appears and the DC-power-supply LED for the missing DC-input feed turns amber. The LED for the connected DC-input feed turns green.

• Use the no power-supply dual dc-feed global configuration command when only one DC-input

feed is connected. The switch does not send an alarm when the second DC-input feed is not connected.

See the switch software configuration guide and switch command reference for more details on these settings.

Power Supply Settings

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Power Supply Settings

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

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Troubleshooting

• Diagnosing Problems, page 4-1

• Clearing the Switch IP Address and Configuration, page 4-4

• Finding the Switch Serial Number, page 4-5

Diagnosing Problems

The LEDs on the front panel provide troubleshooting information about the switch. They show power-on self-test (POST) failures, port-connectivity problems, and overall switch performance. You can also get statistics from the CLI or from an SNMP workstation. See the software configuration guide and the switch command reference on Cisco.com or the documentation that came with your SNMP application for more information.

CHAP T E R

Switch POST Results

As the switch powers on, it begins the POST, a series of tests that runs automatically to ensure that the switch functions properly. It might take several minutes for the switch to complete POST.

When the switch begins POST, the System LED blinks green, and the other LEDs remain solid green. When POST succeeds, the System LED becomes solid green. The other LEDs turn off and return to their operating status. If the switch fails POST, the System LED is solid amber.

You can use the show diagnostics post user EXEC command to display the POST results.

Note POST failures are usually serious. Contact your Cisco technical support representative if your switch

does not pass POST.

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Diagnosing Problems

Switch LEDs

You must have physical access to the switch to do this. Look at the port LEDs for troubleshooting information about the switch. See the “LEDs” section on page 1-7 for a description of the LED colors and their meanings.

Switch Connections

Bad or Damaged Cable

Always examine the cable for marginal damage or failure. A cable might be just good enough to connect at the physical layer, but it could corrupt packets as a result of subtle damage to the wiring or connectors. You can identify this situation because the port has many packet errors or the port constantly flaps (loses and regains link).

• Examine or exchange the copper or fiber-optic cable with a known, good cable.

• Look for broken or missing pins on cable connectors.

• Rule out any bad patch panel connections or media convertors between the source and the

destination. If possible, bypass the patch panel, or eliminate faulty media convertors (fiber-optic-to-copper).

• Try the cable in another port or interface, if possible, to see if the problem follows the cable.

Appendix 4 Troubleshooting

Ethernet and Fiber Cables

Make sure that you have the correct cable type for the connection:

• For Ethernet, use Category 3 copper cable for 10 Mb/s UTP connections. Use either Category 5,

Category 5e, or Category 6 UTP for 10/100 or 10/100/1000 Mb/s connections.

• For fiber-optic connectors, verify that you have the correct cable for the distance and port type. Make

sure that the connected device ports both match and use the same type encoding, optical frequency, and fiber type.

• For copper connections, determine if a crossover cable was used when a straight-through was

required or the reverse. Enable auto-MDIX on the switch, or replace the cable. See Table 2-1 for recommended Ethernet cables.

Link Status

Verify that both sides have link. A single broken wire or one shutdown port can cause one side to show link, but the other side does not have link.

A port LED does not guarantee that the cable is fully functional. The cable might have encountered physical stress that causes it to function at a marginal level. If the port LED does not turn on:

• Connect the cable from the switch to a known good device.

• Make sure that both ends of the cable are connected to the correct ports.

• Verify that both devices have power.

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Appendix 4 Troubleshooting

• Verify that you are using the correct cable type. See Appendix B, “Connector and Cable

Specifications,” for more information.

• Look for loose connections. Sometimes a cable appears to be seated, but is not. Disconnect the cable

and then reconnect it.

SFP Module Port Issues

Use only Cisco SFP modules on the switch. Each Cisco 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 module meets the requirements for the switch. Check these items:

• Bad or wrong SFP module. Exchange the suspect module with known good module. Verify that the

module is supported on this platform. (The switch release notes on Cisco.com list the SFP modules that the switch supports.)

• Use the show interfaces privileged EXEC command to see if the port or module is error-disabled,

disabled, or shutdown. Re-enable the port if needed.

• Make sure that all fiber connections are properly cleaned and securely connected.

Diagnosing Problems

Port and Interface Settings

An obvious but sometimes overlooked cause of port connectivity failure is a disabled interface. Verify that the interface is not disabled or powered off for some reason. If an interface is manually shut down on one side of the link or the other side, the link does not come up until you re-enable the interface. Use the show interfaces privileged EXEC command to see if the interface is error-disabled, disabled, or shutdown on either side of the connection. If needed, re-enable the interface.

Ping the End Device

Ping from the directly connected switch first, and then work your way back port by port, interface by interface, trunk by trunk, until you find the source of the connectivity issue. Make sure that each switch can identify the end device MAC address in its Content-Addressable Memory (CAM) table.

Spanning Tree Loops

STP loops can cause serious performance issues that look like port or interface problems.

Unidirectional links can cause spanning-tree loops. A unidirectional link occurs when the traffic sent by the switch is received by its neighbor, but does not receive traffic sent by the neighbor. A broken fiber-optic cable, other cabling, or a port issue could cause this one-way communication.

The UniDirectional Link Detection (UDLD) protocol helps identify unidirectional link problems. For more information, see the “Understanding UDLD” section in the switch software configuration guide on Cisco.com.

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Clearing the Switch IP Address and Configuration

Switch Performance

Speed, Duplex, and Autonegotiation

If the port statistics show a large amount of alignment errors, frame check sequence (FCS), or late-collisions errors, this might mean a speed or duplex mismatch.

A common issue with speed and duplex is when the duplex settings are mismatched between two switches, between a switch and a router, or between the switch and a workstation or server. Mismatches can happen when manually setting the speed and duplex or from autonegotiation issues between the two devices.

To maximize switch performance and to ensure a link, follow one of these guidelines when changing the duplex or speed settings.

• Let both ports autonegotiate both speed and duplex.

• Manually set the speed and duplex parameters for the ports on both ends of the connection.

• If a remote device does not autonegotiate, set the same duplex settings on the two ports. The speed

parameter adjusts itself even if the connected port does not autonegotiate.

Appendix 4 Troubleshooting

Autonegotiation and NICs

Problems sometimes occur between the switch and third-party network interface cards (NICs). By default, the switch ports and interfaces are set to autonegotiate. Devices like laptops or other devices are commonly set to autonegotiate, yet sometimes autonegotation issues occur.

To troubleshoot autonegotiation problems, try manually setting both sides of the connection. If this does not solve the problem, there could be a problem with the firmware or software on your NIC. You can resolve this by upgrading the NIC driver to the latest available version.

Cabling Distance

If the port statistics show excessive FCS, late-collision, or alignment errors, verify that the cable distance from the switch to the connected device meets the recommended guidelines. See the

Adapters” section on page B-4 for cabling guidelines.

Clearing the Switch IP Address and Configuration

This section describes how to reset the switch by rerunning the initial configuration dialog (system configuration dialog). These are reasons why you might want to reset the switch:

• You installed the switch in your network and cannot connect to it because you assigned the wrong

IP address.

• You want to clear all the configuration settings from the switch and assign a new IP address.

“Cables and

4-4

Caution This procedure clears the IP address and all configuration information stored on the switch. Do not

follow this procedure unless you want to completely reconfigure the switch.

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Appendix 4 Troubleshooting

SN: XXXNNNN

XXXX

204353

SN: XXXNNNN

XXXX

204353

To reset the switch:

1. At the switch prompt, enter enable, and press Return or Enter.

2. At the privileged EXEC prompt, switch#, enter setup, and press Return or Enter.

The switch displays the prompt to run the initial configuration dialog. The switch now behaves like an unconfigured switch. You can configure the switch by using the CLI setup procedure described in

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

Finding the Switch Serial Number

If you contact Cisco Technical Assistance, you need to know the serial number of your switch. Use these figures to locate the serial number location. You can also use the show version privileged EXEC command or the show inventory user EXEC command to get the serial number.

Figure 4-1 Serial Number Location on the Cisco ME 3400E-24TS-M

Finding the Switch Serial Number

Figure 4-2 Serial Number Location on the Cisco ME 3400EG-12CS

Figure 4-3 Serial Number Location on the Cisco ME 3400EG-2CS-A

SN: XXXNNNNXXXX

204355

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Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

4-5

Finding the Switch Serial Number

Appendix 4 Troubleshooting

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APPENDIX

Technical Specifications

• Environmental Ranges and Technical Specifications for the Switch

• Environmental and Technical Specifications for the Power-Supply Modules

Environmental Ranges and Technical Specifications for the Switch

Table A-1 Environmental Ranges for the Switch

Environmental Ranges

Operating temperature See Table A-2, Ta b le A-3, and Ta ble A-4.

Storage temperature –13 to 158°F (–25 to 70°C).

Relative humidity 10 to 85% (noncondensing).

Operating altitude Up to 10,000 ft (3049 m).

Storage altitude Up to 15,000 ft (4570 m).

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The operating temperature for the switch varies depending on the type of SFP module and the number of power-supply modules installed in the switch. In the operating temperature range is supported, and No means it is not supported.

Table A-2 Operating Temperatures for the Cisco ME 3400EG-2CS-A

SFP Module 32 to 131°F (0 to 55°C) 32 to 140°F (0 to 60°C)

GLC-FE-100FX Yes Yes

GLC-FE-100LX Ye s Yes

GLC-FE-100EX Ye s Yes

GLC-FE-100ZX Ye s Yes

GLC-FE-100BX-D Yes Yes

GLC-FE-100BX-U Yes Yes

GLC-SX-MM Yes No

GLC-LH-SM Yes No

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

Tabl e A-2, Ta b le A-3, and Ta ble A-4, Yes means that

A-1

Environmental Ranges and Technical Specifications for the Switch

Table A-2 Operating Temperatures for the Cisco ME 3400EG-2CS-A (continued)

SFP Module 32 to 131°F (0 to 55°C) 32 to 140°F (0 to 60°C)

GLC-ZX-SM Yes No

GLC-BX-D Ye s No

GLC-BX-U Ye s No

GLC-T Yes No

CWDM-xxxx-SFP Yes No

DWDM-xxxx-SFP Yes No

SFP-GE-S Yes Yes

SFP-GE-L Yes Ye s

SFP-GE-T Yes Ye s

CAB-SFP-50CM Ye s Ye s

No SFP module installed Ye s Ye s

Appendix A Technical Specifications

Table A-3 Operating Temperatures for the Cisco ME 3400E-24TS-M

SFP Module

32 to 131°F (0 to 55°C) with 1 Power-Supply Module

32 to 140°F (0 to 60°C) with 1 Power-Supply Module

32 to 149°F (0 to 65°C) with 2 Power-Supply Modules

GLC-FE-100FX Yes Ye s Yes

GLC-FE-100LX Yes Yes Yes

GLC-FE-100EX Yes Yes Yes

GLC-FE-100ZX Yes Yes Yes

GLC-FE-100BX-D Ye s Yes Ye s

GLC-FE-100BX-U Ye s Yes Ye s

GLC-SX-MM Ye s Ye s No

GLC-LH-SM Ye s Yes No

GLC-ZX-SM Ye s Yes No

GLC-BX-D Yes Ye s No

GLC-BX-U Yes Ye s No

CWDM-xxxx-SFP Yes Yes No

DWDM-xxxx-SFP Ye s Ye s No

SFP-GE-S Yes Yes Yes

SFP-GE-L Yes Ye s Yes

SFP-GE-T Yes Ye s Yes

CAB-SFP-50CM Ye s Ye s Yes

No SFP module installed Yes Yes Yes

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Appendix A Technical Specifications

Table A-4 Operating Temperatures for the Cisco ME 3400EG-12CS-M

Environmental Ranges and Technical Specifications for the Switch

SFP Module

32 to 131°F (0 to 55°C) with 1 Power-Supply Module

32 to 140°F (0 to 60°C) with 1 Power-Supply Module

32 to 149°F (0 to 65°C) with 2 Power-Supply Modules

GLC-FE-100FX Ye s Ye s Yes

GLC-FE-100LX Yes Ye s Ye s

GLC-FE-100EX Yes Ye s Ye s

GLC-FE-100ZX Yes Ye s Ye s

GLC-FE-100BX-D Yes Yes Yes

GLC-FE-100BX-U Yes Yes Yes

GLC-SX-MM Ye s Yes No

GLC-LH-SM Yes Yes No

GLC-ZX-SM Yes Yes No

GLC-BX-D Yes Yes No

GLC-BX-U Yes Yes No

GLC-T Yes Yes No

CWDM-xxxx-SFP Ye s Yes No

DWDM-xxxx-SFP Yes Ye s No

SFP-GE-S Yes Yes Yes

SFP-GE-L Ye s Ye s Yes

SFP-GE-T Ye s Ye s Yes

CAB-SFP-50CM Yes Yes Yes

No SFP module installed Yes Yes Ye s

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A-3

Environmental Ranges and Technical Specifications for the Switch

Table A-5 Technical Specifications for the Cisco ME 3400E-24TS-M

Physical Dimensions

Weight 6.35 lb (2.89 kg) with no power-supply module.

Dimensions (H x W x D) 1.75 x 9.8 x 17.5 in. (4.45 x 24.9 x 44.5 cm).

AC-Power Requirements

Input voltage 100 to 240 VAC ± 10% (auto ranging), 50 to 60 Hz.

Power consumption with a single AC-power-supply module installed

Total: 137 BTUs per hour (maximum).

Maximum: 40 W (maximum fan speed, all ports linked).

Typical: 36 W (SFP modules installed, 12 ports linked).

Minimum: 17 W (no SFP modules installed).

Power rating: 120 V (0.050 KVA), 240 V (0.050 KVA).

Power consumption with 2 AC-power-supply modules installed

Total: 185 BTUs per hour (maximum).

Maximum: 54 W (maximum fan speed, all ports linked).

Typical: 38 W (SFP modules installed, 12 ports linked).

Minimum: 22 W (no SFP modules installed).

Appendix A Technical Specifications

Power rating: 120 V (0.070 KVA), 240 V (0.071 KVA).

DC-Power Requirements

Input voltage 18 to 36 VDC or 36 to 72 VDC.

Power consumption with a single DC-power-supply module installed

Total: 164 BTUs per hour (maximum).

Maximum: 48 W (18 VDC input, maximum fan speed, all ports linked).

Typical: 38 W (48 VDC, SFP modules installed, 12 ports linked).

Minimum: 22 W (48 VDC, no SFP modules installed).

Power consumption with 2 DC-power-supply modules installed

Total: 245 BTUs per hour (maximum).

Maximum: 72 W, 18 VDC input (maximum fan speed, all ports linked).

Typical: 48 W (48 VDC, SFP modules installed, 12 ports linked).

Minimum: 29 W (48 VDC, no SFP modules installed).

Note If you install one AC- and one DC-power-supply module in a switch, the power specifications are similar

to installing two DC-power-supply modules.

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Appendix A Technical Specifications

Table A-6 Technical Specifications for the Cisco ME 3400EG-12CS-M

Physical Dimensions

Weight 8.5 lb (3.86 kg) with no power-supply module.

Dimensions (H x W x D) 1.75 x 12.5 x 17.5 in. (4.45 x 44.5 x 31.8 cm).

AC-Power Requirements

Input voltage 100 to 240 VAC ± 10% (auto ranging), 50 to 60 Hz.

Power consumption with a single AC-power-supply module installed

Power consumption with 2 AC-power-supply modules installed

Environmental Ranges and Technical Specifications for the Switch

Total: 273 BTUs per hour (maximum).

Maximum: 80 W (maximum fan speed, maximum power SFPs).

Typical: 50 W (8 SFP modules, 8 RJ-45 ports linked).

Minimum: 30 W (no SFP modules installed).

Power rating: 120 V (0.086 KVA), 240 V (0.118 KVA).

Total: 324 BTUs per hour (maximum).

Maximum: 95 W (maximum fan speed, maximum power SFPs).

Typical: 60 W (8 SFP modules, 8 RJ-45 ports linked).

Minimum: 36 W (no SFP modules installed).

Power rating: 120 V(0.108 KVA), 240 V (0.125 KVA).

DC-Power Requirements

Input voltage 18 to 36 VDC or 36 to 72 VDC.

Power consumption with a single DC-power-supply module installed

Total: 338 BTUs per hour (maximum).

Maximum: 99 W (18 VDC input, maximum fan speed, maximum power SFPs)

Typical: 60 W (48 VDC, 8 SFP modules, 8 RJ-45 ports linked).

Minimum: 32 W (48 VDC, no SFP modules installed).

Power consumption with 2 DC-power-supply modules installed

Total: 392 BTUs per hour (maximum).

Maximum: 115 W (18 VDC input, maximum fan speed, maximum power SFPs).

Typical: 70 W (48 VDC, 8 SFP modules, 8 RJ-45 ports linked).

Minimum: 39 W (48 VDC, no SFP modules installed).

Note If you install one AC- and one DC-power-supply module in a switch, the power specifications are similar

to installing two DC-power-supply modules.

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A-5

Appendix A Technical Specifications

Environmental and Technical Specifications for the Power-Supply Modules

Table A-7 Technical Specifications for the Cisco ME 3400EG-2CS-A

Physical Dimensions

Weight 3.35 lb (1.5 kg)

Dimensions (H x W x D) 1.73 x 7.2 x 10.6 in. (4.4 x 18.3 x 26.9 cm)

AC-Power Requirements

Input voltage 100 to 240 VAC ± 10% (auto ranging), 1 to 0.5 A, 50 to 60 Hz

Power consumption Maximum: 102 BTUs per hour, 30 W

Typical: 75 BTUs per hour, 22 W

Minimum: 45 BTUs per hour, 13 W

Power rating 0.048 KVA

Environmental and Technical Specifications for the Power-Supply Modules

Table A-8 Environmental and Physical Specifications for the AC- and DC-Power-Supply

Modules

Environmental Ranges

Operating temperature AC-power-supply: –13 to 149°F (–25 to 65°C)

DC-power-supply: –40 to 149°F (–40 to 65°C)

Storage temperature –49 to 185°F (–45 to 85°C)

Relative humidity 10 to 90% (noncondensing)

Altitude Up to 10,000 ft (3049 m)

Physical Specifications

Weight AC: 1.7 lb (0.77 kg)

DC: 1.8 lb (0.82 kg)

Dimensions (H x W x D) 1.57 x 3.35 x 7.52 in. (4 x 8.5 x 19.1 cm)

Table A-9 Technical Specifications for the Cisco ME340X-PWR-AC Power-Supply Module

Power Specifications

Maximum output power 80 W

Input voltage range and frequency 100 to 240 VAC ± 10% (auto ranging), 50 to 60 Hz

Input current 100 to 240 VAC ± 10% (auto ranging), 1.5 to 0.7 A

Maximum output ratings 12 V @ 6.7 A

Total input BTU 490 BTUs per hour

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Appendix A Technical Specifications

Table A-10 Technical Specifications for the Cisco ME340X-PWR-DC Power-Supply Module

Power Specifications

Maximum output power 80 W

Input voltage range 18 to 36 VDC or 36 to 72 VDC

Input current 18 to 36 V, 8 to 4 A

Maximum output ratings 12 V @ 6.7 A

Total input BTU 490 BTUs per hour

Environmental and Technical Specifications for the Power-Supply Modules

36 to 72 V, 4 to 2 A

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A-7

Environmental and Technical Specifications for the Power-Supply Modules

Appendix A Technical Specifications

A-8

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H5318

231 45678Pin Label

RD+

RD-

TD+

TD-

Connector and Cable Specifications

• Connector Specifications, page B-1

• Cables and Adapters, page B-4

Connector Specifications

• 10/100, page B-1

• SFP Module Connectors, page B-2

• Dual-Purpose Ports, page B-3

• 10/100 Ethernet Management Port, page B-3

• Alarm Input Port, page B-3

APPENDIX

10/100

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The 10/100 Ethernet ports use standard RJ-45 connectors and Ethernet pinouts with internal crossovers. These ports have the send (TD) and receive (RD) signals internally crossed so that a twisted-pair straight-through cable and adapter can be attached to the port.

Figure B-1 10/100 Port Pinouts

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

B-1

Connector Specifications

Note You can use the mdix auto interface configuration command in the CLI to enable the automatic

Appendix B Connector and Cable Specifications

When connecting 10/100 ports to compatible devices such as servers, workstations, and routers, you can use a two or four twisted-pair straight-through cable wired for 10BASE-T and 100BASE-TX. shows the two twisted-pair straight-through cable schematics. Figure B-8 shows the four twisted-pair straight-through cable schematics.

When connecting the ports to other devices, such as switches or repeaters, you can use a two or four twisted-pair crossover cable.

Figure B-7 shows the two twisted-pair crossover cable schematics.

Figure B-9 shows the four twisted-pair crossover cable schematics.

medium-dependent interface crossover (auto-MDIX) feature. When the auto-MDIX feature is enabled, the switch detects the required cable type for copper Ethernet connections and configures the interfaces accordingly. Therefore, you can use either a crossover or a straight-through cable for connections to a copper 10/100, 10/100/1000, or 1000BASE-T SFP module port on the switch, regardless of the type of device on the other end of the connection.

You can use Category 3, 4, or 5 cabling when connecting to 10BASE-T-compatible devices. You must use Category 5 (or higher) cabling when connecting to 100BASE-TX-compatible devices.

Figure B-6

Note Use a straight-through cable to connect two ports only when one port is designated with an X. Use a

crossover cable to connect two ports when both ports are designated with an X or when both ports do not have an X.

This applies only to switches on which auto-MDIX is disabled.

SFP Module Connectors

Figure B-2 Fiber-Optic SFP Module LC Connector

Warning

Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments.

Statement 1051

B-2

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Appendix B Connector and Cable Specifications

231 45678Pin Label

TP0+

TP0-

TP1+

TP2+

TP2-

TP1-

TP3+

TP3-

H5318

231 45678Pin Label

RD+

RD-

TD+

TD-

Dual-Purpose Ports

The 10/100/1000 Ethernet ports on the dual-purpose ports use standard RJ-45 connectors.

Figure B-3 10/100/1000 Port Pinouts

Connector Specifications

10/100 Ethernet Management Port

The 10/100 Ethernet management port uses standard RJ-45 connectors with Ethernet pinouts.

Figure B-4 10/100 Port Pinouts

Alarm Input Port

The alarm input port uses a standard RJ-45 connector. See “Alarm Input Port” section on page 1-4 for more information.

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Note We recommend using a shielded cable grounded at both ends for NEBS.

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

B-3

Cables and Adapters

280950

23145678Pin Alarm connection

Alarm 1 input

Alarm 2 input

no connection

Alarm 3 input

Alarm 4 input

no connection

Alarm common

Figure B-5 Alarm Input Port Pinouts

Cables and Adapters

Appendix B Connector and Cable Specifications

• SFP Module Cables, page B-4

• Cable Pinouts, page B-6

• Console Port Adapter Pinouts, page B-7

SFP Module Cables

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 required cable length. Copper 1000BASE-T SFP transceivers use standard four twisted-pair, Category 5 (or greater) cable at lengths up to 328 feet (100 meters).

Table B-1 Fiber-Optic SFP Module Port Cabling Specifications

Core Size/Cladding

SFP Module Wavelength (nanometers) Fiber Type

100BASE-BX (GLC-FE-100BX-D

1310 TX 1550 RX

SMF G.652

Size (micron)

GLC-FE-100BX-U)

100BASE-EX 1310 SMF G.652

100BASE-FX

1310 MMF 50/125

(GLC-GE-100FX)

100BASE-FX (GLC-FE-100FX)

100BASE-LX (100BASE-LX10)

100BASE-ZX 1550 SMF G.652 — 262,480 ft (80 km)

B-4

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

1310 MMF 50/125

1310 SMF G.652

62.5/125

Modal Bandwidth (MHz/km)1Cable Distance

— 32,810 feet (10 km)

— 131,240 ft (40 km)

500 500

6,562 feet (2 km) 6,562 feet (2 km)

— 32,810 feet (10 km)

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Appendix B Connector and Cable Specifications

Table B-1 Fiber-Optic SFP Module Port Cabling Specifications (continued)

Cables and Adapters

SFP Module Wavelength (nanometers) Fiber Type

1000BASE-BX10-D (GLC-BX-D)

1000BASE-BX10-U (GLC-BX-U)

1000BASE-SX

1490 TX

SMF G.652

1310 RX

1310 TX

SMF G.652

1490 RX

850 MMF 62.5/125

(GLC-SX-MM)

1000BASE-LX/LH (GLC-LH-SM)

1310 MMF

SMF

1000BASE-ZX

1550 SMF G.652

(GLC-ZX-SM

CWDM 1470, 1490, 1510, 1530, 1550, 1570,

SMF G.652

Core Size/Cladding Size (micron)

62.5/125 50/125 50/125

G.652

Modal Bandwidth (MHz/km)1Cable Distance

— 32,810 feet (10 km)

160 200 400 500

500 400 500 —

722 feet (220 m) 902 feet (275 m) 1640 feet (500 m) 1804 feet (550 m)

1804 feet (550 m) 1804 feet (550 m) 1804 feet (550 m) 32,810 feet (10 km)

— 43.4 to 62 miles

(70 to 100 km)

— 62 miles (100 km)

1590, 1610

DWDM 1560.61, 1559.79, 1558.98, 1558.17,

SMF G.652

— 62 miles (100 km)

1556.55, 1554.55, 1554.94, 1554.13,

1552.13, 1551.72, 1550.92, 1550.12,

1548.51, 1547.72, 1546.92, 1546.12,

1546.12, 1544.53, 1543.73, 1542.94,

1542.14, 1540.56, 1539.77, 1538.98,

1536.61, 1535.82, 1535.04, 1534.25,

1532.68, 1531.90, 1531.12, 1530.33

1. Modal bandwidth applies only to multimode fiber.

2. A mode-field diameter/cladding diameter = 9 micrometers/125 micrometers.

3. Requires a mode-conditioning patch cord. An ordinary patch cord with MMF, 1000BASE-LX/LH SFP modules, and a short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP module with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP module and the MMF cable on both the sending and receiving ends of the link. Link distances greater than 984 feet (300 m) require the mode-conditioning patch cord.

4. 1000BASE-ZX SFP modules can send data up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the distance depends on the fiber quality, the number of splices, and the connectors.

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Note When the fiber-optic cable span is less than 15.43 miles (25 km), you should insert a 5-decibel (dB) or

10-dB inline optical attenuator between the fiber-optic cable plant and the receiving port on the 1000BASE-ZX SFP module at each end of the link.

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

B-5

Cables and Adapters

Switch

3 TD+

6 TD–

1 RD+

2 RD–

Router or PC

3 RD+ 6 RD–

1 TD+ 2 TD–

Switch

3 TD+

6 TD–

1 RD+

2 RD–

Switch

3 TD+ 6 TD–

1 RD+ 2 RD–

1 TP0+

2 TP0-

3 TP1+

6 TP1-

1 TP0+

2 TP0-

3 TP1+

6 TP1-

Switch Router or PC

4 TP2+

5 TP2-

7 TP3+

8 TP3-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

65271

Cable Pinouts

Appendix B Connector and Cable Specifications

Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic

Figure B-7 Two Twisted-Pair Crossover Cable Schematic

Figure B-8 Four Twisted-Pair Straight-Through Cable Schematic for 1000BASE-T Ports

Figure B-9 Four Twisted-Pair Crossover Cable Schematics for 1000BASE-T Ports

Switch Switch

1 TP0+

2 TP0-

3 TP1+

6 TP1-

1 TP0+

2 TP0-

3 TP1+

6 TP1-

B-6

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

4 TP2+

5 TP2-

7 TP3+

8 TP3-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

65274

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Appendix B Connector and Cable Specifications

Pin 1

Pin 2

273807

Pin 6

Pin 3

To identify a crossover cable, compare the two modular ends of the cable. Hold the cable ends side-by-side, with the tab at the back. The wire connected to pin 1 on the left plug should be the same color as the wire connected to pin 3 on the right plug. The wire connected to pin 2 on the left plug should be the same color as the wire connected to pin 6 on the right plug.

Figure B-10 Identifying a Crossover Cable

Cables and Adapters

Console Port Adapter Pinouts

The console port uses an 8-pin RJ-45 connector, which is described in Table B-2 and Ta ble B-3. If you did not order a console cable with your switch, you need to provide an RJ-45-to-DB-9 adapter cable to connect the console port of the switch to a console PC. You need to provide an RJ-45-to-DB-25 female DTE adapter if you want to connect the switch console port to a terminal. You can order a kit (part number ACS-DSBUASYN=) containing that adapter from Cisco. For console port and adapter pinout information, see

Table B - 2 lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable, and the console device.

Table B-2 Console Port Signaling Using a DB-9 Adapter

Switch Console Port (DTE)

Signal DB-9 Pin Signal

RTS 8 CTS

DTR 6 DSR

TxD 2 RxD

GND 5 GND

RxD 3 TxD

DSR 4 DTR

CTS 7 RTS

Table B-2 and Ta b l e B-3.

RJ-45-to-DB-9 Terminal Adapter

Console Device

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B-7

Cables and Adapters

Note The RJ-45-to-DB-25 female DTE adapter is not supplied with the switch. You can order a kit (part number

Appendix B Connector and Cable Specifications

Table B - 3 lists the pinouts for the console port, RJ-45-to-DB-25 female DTE adapter, and the console

device.

ACS-DSBUASYN=) containing this adapter from Cisco.

Table B-3 Console Port Signaling Using a DB-25 Adapter

Switch Console Port (DTE)

Signal DB-25 Pin Signal

RTS 5 CTS

DTR 6 DSR

TxD 3 RxD

GND 7 GND

RxD 2 TxD

DSR 20 DTR

CTS 4 RTS

RJ-45-to-DB-25 Terminal Adapter

Console Device

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APPENDIX

Configuring the Switch with the CLI-Based Setup Program

This appendix provides a command-line interface (CLI)-based setup procedure for a standalone switch. Before connecting the switch to a power source, review the safety warnings in

Installation” and Chapter 3, “Installing and Removing AC- and DC-Power-Supply Modules.”

Accessing the CLI Through the Console Port

You can access the CLI on a configured or unconfigured switch by connecting the console port of the switch to the serial port on your PC or workstation and accessing the switch through a Telnet session.

Starting the Terminal-Emulation Software

Chapter 2, “Switch

Before you power on the switch, start the terminal emulation session so that you can see the output display from the power-on self-test (POST).

The terminal-emulation software—frequently a PC application such as Hyperterminal or ProcommPlus—makes communication between the switch and your PC or terminal possible.

Follow these steps to start a terminal-emulation session:

Step 1 Start the terminal-emulation program if you are using a PC or terminal.

Step 2 Configure the baud rate and character format of the PC or terminal to match these console port default

characteristics:

• 9600 baud or 115200 baud (suggested rate)

• 8 data bits

• 1 stop bit

• No parity

• None (flow control)

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Appendix C Configuring the Switch with the CLI-Based Setup Program

Entering the Initial Configuration Information

To power on the switch, connect one end of the AC-power cord to the AC-power connector on the switch, and connect the other end of the power cord to an AC-power outlet.

To power on a DC switch, see Chapter 3, “Installing and Removing AC- and DC-Power-Supply

Modules.”

Entering the Initial Configuration Information

To set up the switch, you need to complete the setup program, which runs automatically after the switch is powered up. You must assign an IP address and other configuration information necessary for the switch to communicate with the local routers and the Internet.

IP Settings

You will need this information from your network administrator before you complete the setup program:

• Switch IP address

• Subnet mask (IP netmask)

• Default gateway (router)

• Enable secret password

• Enable password

• Telnet password

Completing the Setup Program

Follow these steps to complete the setup program and to create an initial configuration for the switch:

Step 1 Enter Ye s at these two prompts.

Would you like to enter the initial configuration dialog? [yes/no]: yes

At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'.

Basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system.

Would you like to enter basic management setup? [yes/no]: yes

Step 2 Enter a host name for the switch, and press Return.

C-2

On a command switch, the host name is limited to 28 characters; on a member switch to 31 characters. Do not use -n, where n is a number, as the last character in a host name for any switch.

Enter host name [Switch]: host_name

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Appendix C Configuring the Switch with the CLI-Based Setup Program

Step 3 Enter an enable secret password, and press Return.

The password can be from 1 to 25 alphanumeric characters, can start with a number, is case sensitive, allows spaces, but ignores leading spaces. The secret password is encrypted and the enable password is in plain text.

Enter enable secret: secret_password

Step 4 Enter an enable password, and press Return.

Enter enable password: enable_password

Step 5 Enter a virtual terminal (Telnet) password, and press Return.

The password can be from 1 to 25 alphanumeric characters, is case sensitive, allows spaces, but ignores leading spaces.

Enter virtual terminal password: terminal-password

Step 6 (Optional) Configure Simple Network Management Protocol (SNMP) by responding to the prompts.

You can also configure SNMP later through the CLI. To configure SNMP later, enter no.

Configure SNMP Network Management? [no]: no

Step 7 Enter the interface name (physical interface or VLAN name) of the interface that connects to the

management network, and press Return. For this release, always use vlan1 as that interface.

Enter interface name used to connect to the management network from the above interface summary: vlan1

Entering the Initial Configuration Information

Step 8 Configure the interface by entering the switch IP address and subnet mask and pressing Return. The IP

address and subnet masks shown below are examples.

Configuring interface vlan1: Configure IP on this interface? [yes]: yes IP address for this interface: 10.4.120.106 Subnet mask for this interface [255.0.0.0]: 255.0.0.0

Step 9 Enter Y to configure the switch as the cluster command switch. Enter N to configure it as a member

switch or as a standalone switch.

If you enter N, you can configure the switch as a command switch later through the CLI. To configure it later, enter

Would you like to enable as a cluster command switch? [yes/no]: no

no.

You have now completed the initial configuration of the switch, and the switch displays its initial configuration. This is an example of output that appears:

The following configuration command script was created: hostname switch1 enable secret 5 $1$Ulq8$DlA/OiaEbl90WcBPd9cOn1 enable password enable_password line vty 0 15 password terminal-password no snmp-server ! no ip routing

! interface Vlan1 no shutdown ip address 10.4.120.106 255.0.0.0 ! interface FastEthernet1/0/1

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Entering the Initial Configuration Information

! interface FastEthernet1/0/2

interface FastEthernet1/0/3 ! ...<output abbreviated> end

Step 10 These choices appear:

[0] Go to the IOS command prompt without saving this config.

[1] Return back to the setup without saving this config.

[2] Save this configuration to nvram and exit.

If you want to save the configuration and use it the next time the switch reboots, save it in NVRAM by selecting option 2.

Enter your selection [2]:2

Make your selection, and press Return.

Appendix C Configuring the Switch with the CLI-Based Setup Program

After you complete the setup program, the switch can run the default configuration that you created. If you want to change this configuration or want to perform other management tasks, use the CLI.

To use the CLI, enter commands at the Switch> prompt through the console.

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INDEX

LEDs (continued)

power-supply modules

SFP modules (continued)

warnings (continued)

(continued)

Numerics

10/100/1000BASE-T SFP module 1-6

10/100/1000 ports 1-11, B-3

10/100 ports

cable lengths 2-4

connecting to 2-22

described 1-5

1000BASE-BX10 SFP module 1-6

1000BASE-BX SFP module 1-6

1000BASE-LX/LH SFP module 1-6

1000BASE-SX SFP module 1-6

1000BASE-T SFP module 1-6

1000BASE-T SFP module cable lengths 2-4

1000BASE-ZX SFP module 1-6

100BASE-BX SFP module 1-6

100BASE-EX SFP module 1-6

100BASE-FX SFP module 1-6

100BASE-LX SFP module 1-6

100BASE-ZX SFP module 1-6

19-inch rack-mounting brackets 2-8 to 2-9

19- to 24-inch racks 2-6

23-inch rack-mounting brackets 2-10, 2-11

24-inch rack-mounting brackets 2-11

AC power

connecting to 2-5, C-2

AC power-supply module LEDs 1-10

adapter pinouts, terminal

RJ-45-to-DB-25 B-8

RJ-45-to-DB-9 B-7

alarm input port

connectors B-3

described 1-4

autonegotiation

on dual-purpose ports 1-5

troubleshooting 4-4

brackets

See mounting brackets

cable guide, attaching 2-14

cable lengths 2-4

cables

crossover

four twisted-pair pinout, 1000BASE-T ports B-6

identifying B-7

two twisted-pair pinout, 10/100 ports B-6

crossover, connecting to B-2

pinouts B-6

Cisco OL-16447-01 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

Audience

Purpose

Preface

Related Publications

Obtaining Documentation and Submitting a Service Request

Product Overview

Setting Up the Switch

Switch Models

Front Panel

AC- and DC-Power Input Connectors

Alarm Input Port

Management Port

10/100 Fast Ethernet Ports

Dual-Purpose Ports

SFP Modules

SFP Module Patch Cable

UNIs, NNIs, and ENIs

LEDs

Switch LED Panels

Power-Supply Module LEDs

Ethernet Management Port LED

Alarm LEDs

Port LEDs

Dual-Purpose Port LEDs

Rear Panel

Power Supply Features

Fans

Management Options

Network Configurations

Switch Installation

Warnings

Installation Guidelines

Verifying Switch Operation

Powering Off the Switch

Installing the Switch

Rack-Mounting

Removing Screws from the Switch

Attaching Brackets to the Switch

Mounting in a Rack

Wall-Mounting

Attaching Brackets for Wall-Mounting

Mounting the Switch on a Wall

Table- or Shelf-Mounting

Installing and Removing SFP Modules

Installing SFP Modules

Removing SFP Modules

Inserting and Removing the SFP Module Patch Cable

Connecting to the 10/100 and 10/100/1000 Ports

Removing the SFP Module Patch Cable

Connecting to Fiber-Optic SFP Modules

Connecting to 1000BASE-T SFP Modules

Connecting to Dual-Purpose Ports

Where to Go Next

Installing and Removing AC- and DC-Power-Supply Modules

Product Overview

Power-Supply Module Description

Handle-Side Description

Power-Supply Module Installation

Connector-Side Description

Tools and Equipment

Installation Guidelines

Installing an AC-Power-Supply Module

Removing AC-Power-Supply Modules

Installing a DC-Power-Supply Module

Preparing for Installation

Grounding the Switch

Installing the DC-Power-Supply Module in the Switch

Wiring the DC-Input Power Source

Removing the DC-Power-Supply Module

Power Supply Settings

Troubleshooting

Diagnosing Problems

Switch POST Results

Switch LEDs

Switch Connections