3com 3C16722A Instrukcja Użytkownika

OfficeConnect®Fast Ethernet Hub 4, Hub 8, Hub 12User Guide (3C16723A, 3C16722A, 3C16721A)3C16721.book Page i Wednesday, July 7, 1999 3:05 PM

10Before You StartYour OfficeConnect hub comes with: One power adapter for use with the OfficeConnect hub A Product Registration card for you to fill

11Stacking the Units TogetherThe Rubber FeetThe four self-adhesive rubber feet prevent your hub from moving around on your desk. Only stick the feet t

12Positioning Your OfficeConnect HubWhen installing your OfficeConnect hub, ensure: It is out of direct sunlight and away from sources of heat. Cablin

13Connecting Workstations and Other Equipment to Your HubWARNING: Please read the ‘Important Safety Information’ section before you start.WARNHINWEIS:

14Connecting 100BASE-TX HubsYou can connect two OfficeConnect hubs together, as seen in Figure 4, with 100BASE-TX in a number of ways, but for simplic

15PROBLEM SOLVINGThe OfficeConnect hub has been designed to aid you when detecting and solving possible problems with your network. These problems are

16Port Status LED not lit for a port that has a connection. There is a problem with this particular connection. Check that the equipment connected to

17NETWORKING TERMINOLOGYA Network is a collection of workstations (for example, IBM-compatible PCs) and other equipment (for example, printers), conne

18DIMENSIONS AND STANDARDSDimensions and Operating ConditionsOfficeConnect Fast Ethernet Hub 4OfficeConnect Fast Ethernet Hub 8OfficeConnect Fast Ethe

19StandardsFunctional: ISO 8802/3IEEE 802.3Safety: UL 1950, EN 60950CSA 22.2 #950IEC 950EMC: EN 55022 Class B†EN 50082-1FCC Part 15 Class B†*ICES-003

3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145Copyright © 1999, 3Com Technologies. All rights reserved. No part of t

20ENVIRONMENTAL STATEMENTSIt is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committe

21IMPORTANT SAFETY INFORMATIONWARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.You

22WICHTIGE SICHERHEITSHINWEISEWARNHINWEIS: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen s

23CONSIGNES IMPORTANTES DE SÉCURITÉAVERTISSEMENT: Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité pe

24TECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This section describes these services.Inf

25Support from Your Network SupplierIf you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service pa

26Here is a list of worldwide technical telephone support numbers:Country Telephone Number Country Telephone NumberAsia, Pacific RimAustraliaHong Kong

27Latin AmericaArgentinaBrazilChileColombiaAT&T +800 666 50650800 13 32661230 020 064598012 2127MexicoPeruPuerto RicoVenezuela01 800 CARE (01 800

28Returning Products for RepairBefore you send a product directly to 3Com for repair, you must first obtain a Return Material Authorization (RMA) numb

293Com Corporation LIMITED WARRANTY3Com OfficeConnect Fast Ethernet Hub 4, Hub 8, Hub 12The duration of the warranty for the OfficeConnect Fast Ethern

3Introduction 5Creating Your Network 6Fast Ethernet Hub 4 and Hub 8—Front 6Fast Ethernet Hub 4 and Hub 8—Rear 7Fast Ethernet Hub 12—Front 8Fast Ethern

30pre-authorized by 3Com with a Return Material Authorization (RMA) number marked on the outside of the package, and sent prepaid and packaged appropr

31DISCLAIMERSome countries, states, or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or con

32ELECTROMAGNETIC COMPATIBILITYFCC STATEMENTThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant

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35Wall mounting screw hole guideFast Ethernet Hub 4 and 8 150mm (5.9in.)Wall mounting screw hole guideFast Ethernet Hub 12 142mm (5.6in.)3C16721.book

Part No. DUA 1672-1AAA03Published June 1999363C16721.book Page 36 Wednesday, July 7, 1999 3:05 PM

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5INTRODUCTIONWelcome to the world of networking with 3Com®. In the modern business environment, communication and sharing information is crucial. Comp

6CREATING YOUR NETWORKFast Ethernet Hub 4 and Hub 8—Front12345678 1% 2% 3% 6% 12% 25% 50% 80%Port StatusNetwork UtilizationGreen = OK, Yellow = Parti

7Fast Ethernet Hub 4 and Hub 8—RearPower adapter socketOnly use the power adapter that issupplied with this OfficeConnecthub. Do not use any other ada

8Fast Ethernet Hub 12—Front7182931041151261% 2% 3% 6% 12% 25% 50% 80%Port StatusNetwork UtilizationOfficeConnect Fast Ethernet Hub 12AlertPowerCollisi

9Fast Ethernet Hub 12—Rear126X7X1XPOWERPower adapter socketOnly use the power adapter that issupplied with this OfficeConnecthub. Do not use any other