3Com 3C17204, 3C172203

Returning Products for Repair 69

U.S.A.and Canada 1 800 NET 3Com

(1 800 638 3266)

Enterprise Customers:

1 800 876 3266

1 408 326 7120

(nottoll-free)

Country Telephone Number Fax Number

17204ua.book Page 69 Monday, August 13, 2001 11:28 AM

Contents

Main 3Com Corporation 5400 BayfrontPlaza Santa Clara, California 95052-8145 C A BOUT THIS G 1 SUPERSTACK 3S 2 3 4 A B D C Page ABOUT THIS GUIDE Conventions Tab l e 1 Notice Icons Tab l e 2 TextConventions Related Documentation Product Registration Documentation Comments 1 SUPERSTACK 3S About the Switch 4400 Summary of Software Features Table4 summarizes the software features that are supported by the Switch 4400. Tab l e 4 Softwarefeatures Switch 4400 Front View Detail Page Page Switch 4400 Rear View Detail Default Settings Tab l e 6 Default Settings 2 Package Contents Choosinga Suitable Site Rack-mounting Placing Units On TopofEachOther Stacking Units The Power-up Sequence Page Page Page 3 Setting Up Overview Page Initial Switch Setup Manual Setup Page Page Page Page Automatic Setup Page Page Methods of Managing a Switch Page Setting Up Command Line Interface Setting Up Web Interface Setting Up SNMP Default Users and Passwords 4 Solving Problems Indicated by LEDs Solving Hardware Problems Solving Communication Problems Page Page A Important Safety Information Linformationde ScuritImportante Page Wichtige Sicherheitsinformationen Page B Modem Cable RJ-45 Pin Assignments Pin assignments are identical for 10BASE-TX and 100BASE-T RJ-45 connectors. Tab l e 11 Pin assignments Tab l e 12 Pin assignments Page C ECHNICAL SPECIFICATIONS Switch 4400 (24-port) Tab l e 13 Switch 4400 (24-port) TechnicalSpecifications Page Switch 4400 (48-port) Tab l e 14 Switch 4400 (48-port) TechnicalSpecifications Page D ECHNICAL SUPPORT Online Technical Services Support from Your Network Supplier Support from 3Com Support from 3Com 67 Asia, Pacific Rim Returning Products for Repair Page Page I Numbers A B C R S T U W REGULATORY NOTICES FCC S I NFORMATION T O T HE U CSA S VCCIS