3com 3C16751A User Manual

OfficeConnect® Dual Speed Hub 16User Guide (3C16751A)3C16751_booklet.book Page i Tuesday, July 13, 1999 11:29 AM

10Positioning Your HubWhen installing your OfficeConnect hub, ensure: It is out of direct sunlight and away from sources of heat. Cabling is away from

11Connecting Workstations and Other Equipment to Your HubWARNING: Please read the ‘Important Safety Information’ section before you start.WARNHINWEIS:

123Com recommends that the cable (B) between the Fast Ethernet hubs is no longer than 5m (16.4ft). This allows the maximum hub-to-workstation cable le

13Making the Connection to Another HubYou can connect a 10BASE-T, 100BASE-TX, or another 10/100BASE-TX OfficeConnect hub to any port on the Dual Speed

14PROBLEM SOLVINGThe OfficeConnect Hub has been designed to aid you when detecting and solving possible problems with your network. These problems are

15Port Status LED flashing. The port is partitioned, probably due to a network loop. Examine your connections and remove the loop. Each piece of equip

16NETWORKING TERMINOLOGYA Network is a collection of workstations (for example, IBM-compatible PCs) and other equipment (for example, printers), conne

17DIMENSIONS AND STANDARDSDimensions and Operating Conditions StandardsFunctional: ISO 8802/3IEEE 802.3Safety: UL 1950, EN 60950CSA 22.2 #950IEC 950EM

18ENVIRONMENTAL STATEMENTSIt is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committe

19IMPORTANT SAFETY INFORMATIONWARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.You

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

20WICHTIGE SICHERHEITSHINWEISEWARNHINWEIS: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen s

21CONSIGNES IMPORTANTES DE SÉCURITÉAVERTISSEMENT: Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité pe

22TECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This section describes these services.Inf

23Support from Your Network SupplierIf you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service pa

24Here is a list of worldwide technical telephone support numbers:Country Telephone Number Country Telephone NumberAsia, Pacific RimAustraliaHong Kong

25Latin AmericaArgentinaBrazilChileColombiaAT&T +800 666 50650800 13 32661230 020 064598012 2127MexicoPeruPuerto RicoVenezuela01 800 CARE (01 800

26Returning Products for RepairBefore you send a product directly to 3Com for repair, you must first obtain a Return Material Authorization (RMA) numb

273Com Corporation LIMITED WARRANTY3Com OfficeConnect Dual Speed Hub 16The duration of the warranty for the OfficeConnect Dual Speed Hub 16 (3C16751A)

28marked on the outside of the package, and sent prepaid and packaged appropriately for safe shipment, and it is recommended that they be insured or s

29DISCLAIMERSome countries, states, or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or con

3Introduction 5Creating your Network 6Dual Speed Hub 16—Front 6Dual Speed Hub 16—Rear 7Before You Start 8Workstation Connections 8Twisted Pair (TP) Ca

30ELECTROMAGNETIC COMPATIBILITYFCC STATEMENTThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant

31Wall mounting screw hole guide142mm (5.6in.)3C16751_booklet.book Page 31 Tuesday, July 13, 1999 11:29 AM

Part No. DUA 1675-1AAA02Published June 1999323C16751_booklet.book Page 32 Tuesday, July 13, 1999 11:29 AM

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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 NETWORKDual Speed Hub 16—FrontOfficeConnect Dual Speed Hub 16Network UtilizationAlertPower12345678Port StatusGreen = 100M Yellow = 10M

7Dual Speed Hub 16—RearPower Adapter socketOnly use the power adapterthat is supplied with thisOfficeConnect Dual SpeedHub 16. Do not use any otherada

8Before You StartYour OfficeConnect hub comes with: One power adapter for use with the OfficeConnect hub. A Product Registration card for you to fill

9Stacking the Units TogetherThe Rubber FeetThe four self-adhesive rubber feet prevent your hub from moving around on your desk. Only stick the feet to