3Com USB Network Interface Datasheet

Contents

3Com CorporationP.O. Box 581455400 Bayfront PlazaSanta Clara, CA 95052-8145Phone: 1 800 NET 3Comor 1 408 326 5000Fax: 1 408 326 5001World Wide Web:www.3com.comAsia Pacific RimSydney, Australia: 61 2 9937 5000Melbourne, Australia: 61 3 9934 8888Beijing, China: 86 10 68492 568Shanghai, China: 86 21 6350 1581Hong Kong: 852 2501 1111India: 91 11 644 3974Indonesia: 62 21 572 2088Osaka, Japan: 81 6 536 3303Tokyo, Japan: 81 3 5977 3266Toll free from Japan: 0120 313266Korea: 82 2 3455 6300Malaysia: 60 3 715 1333New Zealand: 64 9 366 9138Philippines: 632 892 4476Singapore: 65 538 9368Taiwan: 886 2 2 377 5850Thailand: 662 231 8151 53Com Austria43 1 580 17 03Com Benelux B.V.Belgium: 32 2 725 0202Netherlands: 31 346 58 62 113Com CanadaCalgary: 1 403 265 3266Edmonton: 1 403 423 3266Montreal: 1 514 683 3266Ottawa: 1 613 566 7055Toronto: 1 416 498 3266Vancouver: 1 604 434 32663Com Eastern Europe/CISBulgaria: 359 2 962 5222Czech Republic: 420 2 21845 800Hungary: 36 1 250 83 41Poland: 48 22 6451351Russia: 7 095 258 09 40Slovak Republic: 421 7 317 8503Com France33 1 69 86 68 00Carrier and Client Access: 33 1 41 97 46 003Com GmbHMunich, Germany: 49 89 6273203Com IberiaPortugal: 351 1 3404505Spain: 34 1 509 69 003Com Latin AmericaU.S. Headquarters: 1 408 326 2093Miami, Florida: 1 305 461 8400Argentina: 54 1 312 3266Brazil: 55 11 246 5001Chile (serving Chile, Bolivia, and Peru): 562240 6200Colombia: 57 1 629 4847Mexico: 52 5 520 7841/7847Peru: 51 1 221 5399Venezuela: 58 2 953 81223Com MediterraneoMilan, Italy: 39 2 253011Rome, Italy: 39 6 52799413Com Middle East971 4 3195333Com Nordic ABDenmark: 45 48 10 50 00Finland: 358 9 435 420 67Norway: 47 22 58 47 00Sweden: 46 8 587 05 6003Com Southern Africa27 11 807 43973Com Switzerland41 844 833 9333Com UK Ltd.Edinburgh: 44 131 240 2900Ireland: 353 1 823 5000Manchester: 44 161 873 7717Winnersh: 44 1189 27 82003Com USB Network InterfaceSpecificationsUSB InterfaceUniversal Serial BusSpecification 1.0 compliantUSB type B connector forstandard shielded USB cable,maximum length 5 mEthernet InterfaceISO 8802/3, IEEE 802.3 com-pliant, RJ-45 connector for UTPor STP cable (Category 3 or 5),maximum length 100 mThroughputUp to 6 Mbps (sustained)MTBFIn excess of 1 million hours(100 years)Physical Dimensions25 mm x 55 mm x 68 mm(1 in x 2.2 in x 2.7 in)Operating Temperature0 to 50°CHumidity10 to 90% noncondensingStorage Temperature-40° to 70°CStorage HumidityUp to 95% relative humidityOperating Voltage5 V (USB standard)Operating Current140 mAComplianceSafety Agency CertificationUL 1950, EN 60950, CSA 22.2No. 950EMC EmissionsICES-003 Class B, FCC Part 15Class B, EN 55022 Class B, VCCIClass B (Japan), As/NZS 3548Class B, CISPR Class B, CNS13438 Class BShielded cables must be used toensure compliance with theClass B requirements of thesestandards. The use of unshieldedcables complies with Class Arequirements.CompatibilityEthernet half-duplex modePromiscuous mode is notsupported.Package Contents• USB Network Interface• USB cable—0.6 m (2 ft)• Installation diskette• Installation guide (in English,French, German, Italian, andSpanish)Ordering Information3Com USB Network Interface3C19250To learn more about 3Com products and services, visit our World Wide Web site at www.3com.com. 3Com is a publicly traded corporation(Nasdaq:COMS).Copyright © 1998 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and OfficeConnect are registered trademarks of 3ComCorporation. More connected. is a trademark of 3Com Corporation. Windows 98 is a trademark of Microsoft. Other product and brand namesmay be trademarks or registered trademarks of their respective owners. All specifications are subject to change without notice.Printed in U.S.A. on recycled paper 400431-001 12/98SimplifiedNetworkingToday, many small businessesand an increasing number ofhome users have more thanone PC and several periph-erals such as printers,modems, and scanners.There are enormous benefitsto networking such devices,such as sharing these expen-sive peripherals, transferringfiles of unlimited sizebetween PCs, providing asingle dial-up connection forInternet access, and backingup files fast and easy—not tomention enjoying interactivenetwork games.Despite these benefits, asurprising number of users shyaway from networking. Oftenthis is because they are con-cerned with what theyperceive to be the complexitiesof installing and configuring aNIC inside their PC.The 3Com USB NetworkInterface presents a simplealternative to installing aninternal NIC by providing acompact adapter that plugsinto the USB port at theback of the PC.What Is USB?USB (Universal Serial Bus) isa new type of connectorfitted to most PCs availabletoday. It offers true plug-and-play setup andhot-swapping capability sodevices can be added,removed, or swapped whileyour PC is up and running.ApplicationsOnce you install the USBNetwork Interface, you’reready to connect to anEthernet network. Forexample, to start sharingprinters and exchanging fileswith other PCs in your homeor office, you can connect tothe 3Com OfficeConnect®Hub TP4. Or for sharedhigh-speed Internet access,connect to a 3ComOfficeConnect LAN Modem.Whichever device youchoose, by connecting to astandard Ethernet network,you can connect USB andnon-USB PCs (equippedwith conventional NICs)and peripherals on thesame network.Using OfficeConnect®Network AssistantTo make it even easier to setup and maintain a network,you can take advantage ofthe OfficeConnect NetworkAssistant CD-ROM—a step-by-step guide to networksetup, expansion, and trou-bleshooting. Best of all, theNetwork Assistant CD-ROMships FREE with allOfficeConnect Ethernethubs and networking kits.When To Use a USB HubA USB hub connects mul-tiple USB peripherals, suchas a mouse or digital camera,to one PC. It cannot connectPCs together. The 3ComUSB Network Interface canbe connected to a PC via aself-powered USB hub.

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