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3Com 3C16751A User Manual

Manual is about: OfficeConnect Dual Speed Hub

Summary of 3C16751A

  • Page 1

    Officeconnect ® dual speed hub 16 user guide (3c16751a) 3c16751_booklet.Book page i tuesday, july 13, 1999 11:29 am.

  • Page 2

    3com corporation ■ 5400 bayfront plaza ■ santa clara, california ■ 95052-8145 copyright © 1999, 3com technologies. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation)...

  • Page 3

    3 introduction 5 creating your network 6 dual speed hub 16—front 6 dual speed hub 16—rear 7 before you start 8 workstation connections 8 twisted pair (tp) cables 8 hub connections 8 stacking the units together 9 the rubber feet 9 the stacking clip 9 positioning your hub 10 securing your hub 10 conne...

  • Page 4

    4 3c16751_booklet.Book page 4 tuesday, july 13, 1999 11:29 am.

  • Page 5: Ntroduction

    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: Reating

    6 c reating your n etwork dual speed hub 16—front officeconnect dual speed hub 16 network utilization alert power 1 2 3 4 5 6 7 8 port status green = 100m yellow = 10m flash = partitioned 1% 2% 3% 6% 12% 25% 50% 80% 100m 10m 9 10 11 12 13 14 15 16 100m 10m collision alert led orange off when the hub...

  • Page 7

    7 dual speed hub 16—rear power adapter socket only use the power adapter that is supplied with this officeconnect dual speed hub 16. Do not use any other adapter. Sixteen 10/100base-tx ports use suitable tp cable with rj-45 connectors. You can connect the hub to any workstation or other equipment th...

  • Page 8

    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

    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

    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

    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

    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

    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 16. Use the following method: 1 using a straight-through cable, connect the uplink/normal port of the dual speed hub 16 to any of the ports on ...

  • Page 14: Roblem

    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

    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 16: Etworking

    16 n etworking t erminology a network is a collection of workstations (for example, ibm-compatible pcs) and other equipment (for example, printers), connected for the purpose of exchanging information or sharing resources. Networks vary in size, some are within a single room, others span continents....

  • Page 17: Imensions

    17 d imensions and s tandards dimensions and operating conditions standards functional: iso 8802/3 ieee 802.3 safety: ul 1950, en 60950 csa 22.2 #950 iec 950 emc: en 55022 class b † en 50082-1 fcc part 15 class b † * ices-003 class b † vcci class b † cns 13438 class a environmental: en 60068 (iec 68...

  • Page 18: Nvironmental

    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: Mportant

    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: Ichtige

    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: Onsignes

    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 a...

  • Page 22: Echnical

    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

    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

    24 here is a list of worldwide technical telephone support numbers: country telephone number country telephone number asia, pacific rim australia hong kong india indonesia japan malaysia new zealand pakistan philippines 1 800 678 515 800 933 486 +61 2 9937 5085 001 800 61 009 0031 61 6439 1800 801 7...

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    25 latin america argentina brazil chile colombia at&t +800 666 5065 0800 13 3266 1230 020 0645 98012 2127 mexico peru puerto rico venezuela 01 800 care (01 800 2273) at&t +800 666 5065 800 666 5065 at&t +800 666 5065 north america 1 800 876-3266 country telephone number country telephone number 3c16...

  • Page 26

    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

    27 3com corporation l imited w arranty 3com officeconnect dual speed hub 16 the duration of the warranty for the officeconnect dual speed hub 16 (3c16751a) is lifetime, including the power adapter. Advance hardware exchange is available during the first year from your date of purchase in accordance ...

  • Page 28

    28 marked on the outside of the package, and sent prepaid and packaged appropriately for safe shipment, and it is recommended that they be insured or sent by a method that provides for tracking of the package. The repaired or replaced item will be shipped to customer, at 3com's expense, not later th...

  • Page 29

    29 d isclaimer some countries, states, or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers, or the limitation of liability for personal injury, so the above limitations and exc...

  • Page 30

    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...

  • Page 31

    31 wall mounting screw hole guide 142mm (5.6in.) 3c16751_booklet.Book page 31 tuesday, july 13, 1999 11:29 am.

  • Page 32

    Part no. Dua 1675-1aaa02 published june 1999 32 3c16751_booklet.Book page 32 tuesday, july 13, 1999 11:29 am.