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Nortel Networks 5625HD Preliminary Steps, Previous Module Configuration Incompatibility

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Using the Model 5625HD EtherSpeed Switch Module

4-2 206208-A

Preliminary Steps

If you suspect problems with a newly installed Model 5625HD switch module,

start troubleshooting by checking the following items:

• Check all power cable connections and power sources.

• Check network cable connections to be sure connectors are properly seated.

• Make sure the cables are the correct type, with correctly wired connectors.

• Check the LEDs for indication of link status.

Previous Module Configuration Incompatibility

Symptom: A module in a powered-on chassis fails to start up.

The slot the module occupies in the System 500xBH/BHC chassis may have had a

different module type installed in it previously.

The Model 5625HD switch module keeps the configuration of an identical

replacement module. If the replacement is not a Model 5625HD switch module,

the module needs to be reconfigured after it has been replaced. Follow the

procedure described in “Installing the Switch Module” on page3-6.

To check for possible incompatibility in module type:

1. Connect a SpeedView managemen t station to the MCP port on the

switch, using either the direct c onnection or the modem conn ection.

This procedure is described in Using SpeedView 4.0 for Windows and Release

Notes for SpeedView 4.1.

2. Select the Map menu.

If this module is displayed with all ports disabled, t he MCP module is not able

to manage this module because there is no stored configuration information

about the module. You must enable the ports and download the new

configuration to the MCP module.

After you download the new configuration, you are prompted to reset the

switch.

Contents

Main ii Copyright 1999 Nortel Networks Trademarks Statement of Conditions USA Requirements Only European Requirements Only Japan/Nippon Requirements Only Taiwan Requirements Canada Requirements Only Nortel Networks Software License Agreement iv Page Page Contents Page Page Page Figures Page Page Page Preface Before You Begin Related Publications Page How to Get Help Chapter 1 Overview of the Model 5625HD Switch Module Overview of the EtherSpeedII Switch Module Page Features of the Model 5625HD Switch Module Page Overview of the Model 5625HD Switch Module 206208-A 1-5 Physical Description Figure 1-2. Model 5625HD EtherSpeedII 24-Port Autonegotiating Switch Module Switch Configuration and Management Spanning Tree Protocol 802.1d Support Support for Virtual LANs Filtering Hot-Swapping Capability About the Model 500xBH/BHC Backplane 1-10 LEDs Port LEDs Figure 1-5. LEDs on the Model 5625HD Switch Module 10/100 Mb/s UTP Autonegotiation Ports 5625HD Page Connecting to Ethernet Hubs and Network Devices Network Configuration Examples 2-4 Figure 2-1. Network Example Giving a Server a Dedicated Port 2-6 Replacing a Bridge Figure 2-3. Replacing a Bridge Desktop Switch with ATM Uplinks 2-8 Figure 2-4. Desktop Switch with ATM Uplinks Segment Switch in an Enterprise Network Desktop Switch and Frame-to-Cell Converter Multi-Link Trunking Default Port Configuration Predefined SpeedView Configurations Chapter 3 Installing the Model 5625HD Switch Module Arranging Modules in a Model 500xBH/BHC Chassis Page Page Required Tools and Equipment Installing the Switch Module Page Checking LEDs Making 10/100 Mb/s Connections Connecting Terminals and Management Stations Page Checking the Module Connection to the Backplane Removing and Replacing the Switch Module Conditions for Replacing a Switch Module Removing a Switch Module Installing the Replacement Switch Module Reconfiguring the Replacement Switch Module Page Chapter 4 Troubleshooting Preliminary Steps Previous Module Configuration Incompatibility Model 5625HD Switch Module Startup Failure Port Connection Problems Page Page Appendix A Technical Specifications Using the Model 5625HD EtherSpeed Switch Module A-2 Technical Specifications Page Appendix B Cables and Connectors UTP Cable Length Limitations UTP Cabling 10BASE-T/100BASE-TX MDI Ports and MDI-X Ports Page B-4 UTP Cables and Connectors Figure B-3. 10BASE-T/100BASE-TX Ethernet UTP Crossover Cable TableB-1. 10BASE-T/100BASE-TX MDI-X Port Pin Assignments Using Category 5 Unshielded Twisted Pair Cables Using Shielded Twisted Pair Cables 206208-A C-1 Port LEDs Appendix C LEDs Figure C-1. LED Display for the Model 5625HD Switch Module 5625HD 10/100 Switch Host Port Status C-2 TableC-1. LEDs on the Model 5625HD Switch Module RJ-45 LEDs Page Index Numbers A B C D E F H I R S T U V