3Com 5500-EI, 5500G-EI Tabl e 11 Pin assignments

Ethernet Port RJ-45 Pin Assignments 125

Tabl e 11 Pin assignments

Pin Number 10/100 1000

Ports configured as MDIX

1Receive Data + Bidirectional Data B+

2Receive Data - Bidirec tional Data B-

3Transmit Data + Bidi rectional Data A+

4Not assigned Bidirectional Data A-

5Not assigned Bidirectional Data D+

6Transmit Data – Bidirectional Data D-

7Not assigned Bidirectional Data C+

8Not assigned Bidirectional Data C-

10014925-AD_S5500_GSG.book Page 125 Thursday, August 16, 2007 12:29 PM

Contents

Main 3Com Corporation 350 Campus Drive Marlborough, MA USA 01752-3064 C 1 2 3 4 5 6 A B C D E Page ABOUT THIS GUIDE Release Notes Conventions Related Documentation Page Documentation Comments 1 About the Switch 5500 Family The Switch 5500 Family includes mixed media devices consisting of those described in Tabl e 3. Tabl e 3 Switch 5500 Family Hardware Tabl e 4 summarizes the hardware features that are supported by the Switch 5500. Tabl e 4 Hardware Featu res 14 CHAPTER 1: INTRODUCING THE SWITCH 5500 FAMILY Switch 5500 Family Front View Figure 2 Switch 5500-SI and EI 52-Port front view Figure 3 Switch 5500-EI 28-Port PWR - front view Switch 5500 Family Front View 15 Figure 4 Switch 5500-EI 52-Port PWR - front view Switch 5500G-EI 16 CHAPTER 1: INTRODUCING THE SWITCH 5500 FAMILY 10014925-AD_S5500_GSG.book Page 16 Thursday, August 16, 2007 12:29 PM Figure 7 Switch 5500G-EI (48 port) front view STK 1000BASE-X Ports 10/100/1000BASE-TX Ports Power LED Page Page Page Page Switch 5500 Rear View Detail Figure 9 Switch 5500-SI, EI and FX rear view Switch 5500G-EI Figure 10 Switch 5500-EI PWR - rear view Page Page Page Page Page Default Settings Tabl e 10 Default Settings Page 2 Package Contents Choosing a Suitable Site Rack-mounting Page Page Connecting a Redundant Power Supply Page Page Page Page Page Page Installing and Removing the Power Module Placing Units On Top of Each Other The Power-up Sequence Page Page Tabl e 19 1000BASE-X SFP Port Cable Range Choosing the Correct Cables for the 100BASE-X SFP Ports Tabl e 20 100BASE-X SFP Port Cable Range SFP Operation Page Page Installing and Removing the Optional Interface Module Packing and Shipping the Switch 5500 Page Page Page 3 Methods of Managing a Switch Page 58 CHAPTER 3: SETTING UP FOR MANAGEMENT 10014925-AD_S5500_GSG.book Page 58 Thursday, August 16, 2007 12:29 PM Setting Up Your Switch Manually configure the IP information for your switch or view the automatically configured IP information. Prepare for your chosen method of management Figure 25 Initial Switch Setup and Management Process Page Page Manually Configuring the IP Information Page Page Page Page Page Viewing Automatically Configured IP Information Page Setting Up Command Line Interface Setting Up Command Line Interface Management using SSH Setting Up Web Interface Setting Up SNMP Changing the Default Passwords Downloading the Configuration Conversion Utility 4 F How To Interconnect Units Tabl e 23 SuperStack 4 Switch 5500 Support for XRN Distributed Fabric Page Guidelines For Interconnecting Units Unit Numbering within the Fabric Unit Numbering within the Fabric 79 10014925-AD_S5500_GSG.book Page 79 Thursday, August 16, 2007 12:29 PM DCONDCON If you are having problems, refer to Solving Fabric Formation Problems on page 86. DCONDCON Up Connector (Blue Label) Down Connector (Yellow Label) Stacking Port LED Page 5 Solving Problems Indicated by LEDs Solving Hardwa re Solving Communication Page Solving Fabric Formation 6 The Contents of the Executable File Upgrading from the Command Line Page Page Page Page Page Page Upgrading from the Bootrom Interface Page Page Page Bootrom Upgrade Page Page Page A Power Cord Set Japan Important Safety Information Page Page Linformation de Scurit Importante Page Page Wichtige Sicherheitsinformationen Page Informacin de Seguridad Importante Page Page Importanti Informazioni di Sicurezza Page Page Wane informacje o zabezpieczeniach Page Page Page Page B Null Modem Cable PC-AT Serial Cable Modem Cable Ethernet Port RJ-45 Pin Assignments 10/100 and 1000BASE-T RJ-45 connections. Tabl e 11 Pin assignments Page C Switch 5500 (28 Port) Switch 5500 PWR (28 Port) Switch 5500 (52 Port) Switch 5500 PWR (52 Port) Switch 5500 FX (28 Port) Switch 5500G-EI (24 Port) Switch 5500G-EI PWR (24 Port) Switch 5500G-EI (48 Port) Switch 5500G-EI PWR (48 Port) Switch 5500G-EI SFP (24-Port) RPS Earthing Lead Page D P Register Your Product Purchase Value-Added Services Troubleshoot Online Access Software Downloads Telephone Technical Support and Repair Contact Us Page E 3Com Network Supervisor 3Com Network Director 3Com Network Access Manager 3Com Enterprise Management Suite Integration Kit with HP OpenView Network Node Manager Page I A B C D S T U W X REGULATORY NOTICES FCC S CSA S VCCI S