3Com Hub - Manuals

3Com Hub – Manual in PDF format online.

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Manual

Manual 3Com Hub

Summary

Page 5 - NTRODUCTION; Welcome to the world of networking with 3Com; Figure 1; Small Network W ith OfficeConnect Hub; OfficeConnect

5 I NTRODUCTION Welcome to the world of networking with 3Com ® . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking ...

Page 6 - Dual Speed Hub 8—Front; Alert LED; Power LED; Collision LEDs; Port Status LEDs

6 C REATING YOUR N ETWORK Dual Speed Hub 8—Front OfficeConnect Dual Speed Hub 8 Network Utilization Alert Power 1 2 3 4 5 6 7 8 Port Status Green = OK Flash = Partitioned 1% 2% 3% 6% 12% 25% 50% 80% 100M 10M 100M 10M 100M 10M Collision Alert LED orange Off when the Hub is operatingcorrectly. Lit for...

Page 7 - Dual Speed Hub 8—Rear; Power Adapter socket

7 Dual Speed Hub 8—Rear Power Adapter socket Only use the power adapterthat is supplied with thisOfficeConnect Dual SpeedHub 8. Do not use any otheradapter. Eight 10/100BASE-TX ports Use suitable TP cable with RJ-45connectors. You can connect the Hubto any workstation or otherequipment that has a 10...

Page 8 - Before You Start; Workstation Connections

8 Before You Start Your OfficeConnect hub comes with: ■ One power adapter for use with the OfficeConnect hub. ■ A Product Registration card for you to fill out and return. ■ Four rubber feet. ■ A stacking clip. ■ Two unit labels and eight cable ties. ■ An OfficeConnect Network Assistant CD-ROM. The ...

Page 9 - Stacking the Units Together; The Rubber Feet; You can stack up to a maximum of four; Figure 2; Stacking Your Units Together

9 Stacking the Units Together The Rubber Feet The four self-adhesive rubber feet prevent your hub from moving around on your desk. Only stick the feet to the marked areas at each corner of the underside of your hub if you intend to place the unit directly on top of the desk. Do not fix the feet if y...

Page 10 - Positioning Your Hub; When installing your OfficeConnect hub, ensure:; Securing Your Hub; CAUTION

10 Positioning Your Hub When installing your OfficeConnect hub, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ Water or m...

Page 11 - Connecting Another OfficeConnect Hub; Fast Ethernet (100Mbps) Configuration Rules

11 Connecting Workstations and Other Equipment to Your Hub WARNING: Please read the ‘Important Safety Information’ section before you start. WARNHINWEIS: Bitte lesen Sie den Abschnitt ‘Wichtige Sicherheitsinformationen’ sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire ...

Page 12 - Figure 3; Configuration Rules and Example of a Fast Ethernet; Figure 4

12 3Com 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 length (A or C) of 100m (328ft) to be used, as shown in Figure 3. Figure 3 Configuration Rules and Example of a Fast Ethernet (100Mbps) Network Etherne...

Page 13 - At frequent intervals, visually check that:; Figure 5; Correct Connections for OfficeConnect Hubs; Switch set to; Twisted pair cable

13 Making the Connection to Another Hub You can connect a 10BASE-T, 100BASE-TX, or another 10/100BASE-TX OfficeConnect hub to any port on the Dual Speed Hub 8. Use the following method: 1 Using a straight-through cable, connect the Uplink/Normal port of the Dual Speed Hub 8 to any of the ports on th...

Page 14 - Do not use any other

14 P ROBLEM S OLVING The OfficeConnect Hub has been designed to aid you when detecting and solving possible problems with your network. These problems are rarely serious; the cause is usually a disconnected or damaged cable, or incorrect configuration. If this section does not solve your problem, co...

Page 15 - Port Status LED flashing.; The port is partitioned, probably; Figure 6

15 Port Status LED flashing. The port is partitioned, probably due to a network loop. Examine your connections and remove the loop. Each piece of equipment needs only one connection to your Hub. Link between the Hub and another OfficeConnect hub not working. Check your connections; follow the inform...

Page 17 - Dimensions and Operating Conditions; VCCI Class B

17 D IMENSIONS AND S TANDARDS Dimensions and Operating Conditions Standards Functional: ISO 8802/3IEEE 802.3 Safety: UL 1950, EN 60950CSA 22.2 #950IEC 950 EMC: EN 55022 Class B † EN 50082-1FCC Part 15 Class B † * ICES-003 Class B † VCCI Class B † CNS 13438 Class A Environmental: EN 60068 (IEC 68) † ...

Page 18 - Reducing the waste generated by all operations.; End Of Life Statement

18 E NVIRONMENTAL S TATEMENTS It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: ■ Establishing environmental performance standards that comply with national legislation and regulations. ■ Conserving energy, materials and...

Page 19 - Warnings contain directions that you

19 I MPORTANT S AFETY I NFORMATION WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.You must read the following safety information carefully before you install or remove the unit: ■ Exceptional care must be taken during installation ...

Page 20 - Warnhinweise enthalten

20 W ICHTIGE S ICHERHEITSHINWEISE WARNHINWEIS: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen sind sorgfältig zu befolgen. Sie müssen die folgenden Sicherheitsinformationen sorgfältig durchlesen, bevor Sie das Geräts installieren oder ausbau...

Page 21 - Les avertissements présentent des

21 C ONSIGNES IMPORTANTES DE SÉCURITÉ AVERTISSEMENT: Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle. Vous devez respecter attentivement toutes les consignes.Nous vous demandons de lire attentivement les consignes suivantes de sécurité av...

Page 22 - Online Technical Services; World W ide Web site.; World Wide Web Site

22 T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This section describes these services. Information contained in this section is correct at time of publication. For the most recent information, 3Com recommends that you access the 3Com C...

Page 23 - Support from Your Network Supplier; Support from 3Com; Diagnostic error messages.

23 Support from Your Network Supplier If you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and...

Page 24 - From the following countries, you may use the toll-free numbers:

24 Here is a list of worldwide technical telephone support num-bers: Country Telephone Number Country Telephone Number Asia, Pacific Rim AustraliaHong KongIndiaIndonesiaJapanMalaysiaNew ZealandPakistanPhilippines 1 800 678 515800 933 486+61 2 9937 5085001 800 61 0090031 61 64391800 801 7770800 446 3...

Page 26 - Returning Products for Repair; To obtain an authorization number, call or fax:; Latin America

26 Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain a Return Material Authorization (RMA) number. Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’s expense. To obtain an authorization...

Page 27 - Com Corporation L; IMITED; Com OfficeConnect Dual Speed Hub 8

27 3Com Corporation L IMITED W ARRANTY 3Com OfficeConnect Dual Speed Hub 8 The duration of the warranty for the OfficeConnect Dual Speed Hub 8 (3C16750A) is lifetime, including the power adapter. Advance hardware exchange is available during the first year from your date of purchase in accordance wi...

Page 30 - FCC S; CSA S

30 E LECTROMAGNETIC C OMPATIBILITY FCC S TATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules, and the Canadian Department of Communications Equipment Standards entitled, “Digital Apparatus,” ICES-003. These li...