3Com 3C17204, 3C172203 C

CT

ECHNICAL SPECIFICATIONS

Switch 4400

(24-port)

Tab l e 13 Switch 4400 (24-port) TechnicalSpecifications

Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.)

Weight:2.8 kg (6.2 lbs)

EnvironmentalRequirements

Operating Temperature 0°to 40 °C(32°to104 °F)

StorageTemperature –40 °to+70 °C(-40°to158 °F)

Operating Humidity 10–95% relative humidity, non-condensing

Standards EN60068to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32.

Operationaltesting: paras 2.1, 2.2, 2.30 and 2.13).

Safety

AgencyCertifications UL1950, EN60950, CSA 22.2 No. 950, IEC 60950

EMC

Emissions CISPRR 22 Class A, EN55022 Class A, FCC Part 15 Subpart B Class A,

ICES-003 Class A, AS/NZS 3548 Class A, CNS 13438 Class A, EN61000-3-2,

EN61000-3-3

Immunity EN5 5024

HeatDissipation 75 watts maximum (1300 BTU/hour maximum)

PowerSupply

ACL ine Frequency 50/60 Hz

Input Voltage Options 90–240 VAC

CurrentRating 2.3 A (amps)(maximum)

(continued)

17204ua.book Page 61 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