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3Com 3C16753 - OfficeConnect Dual Speed Hub 8 User Manual

Manual is about: User Guide

Summary of 3C16753 - OfficeConnect Dual Speed Hub 8

  • Page 1

    Officeconnect ® dual speed hub 5 (3c16755) dual speed hub 8 (3c16753) dual speed hub 16 (3c16754) user guide officeconnect ® dual speed hub 5 (3c16755) dual speed hub 8 (3c16753) dual speed hub 16 (3c16754) user guide.

  • Page 2

    3com corporation ■ 5400 bayfront plaza ■ santa clara, california ■ 95052-8145 copyright © 2001, 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 8—front 6 dual speed hub 8—rear 7 dual speed hub 16—front 8 dual speed hub 16—rear 9 before you start 10 workstation connections 10 twisted pair (tp) cables 10 hub connections 10 stacking the units together 11 the rubber feet 11 the stacking cl...

  • Page 4

    4.

  • 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 5 and dual speed 8—front power led green indicates that the hub is powered on. Power collision 10m 100m green = 100m, yellow = 10m, flash = activity officeconnect dual speed hub 8 port status leds green (100mbps link) / yellow (10mbps link) if the led is on, ...

  • Page 7

    7 dual speed hub 5 and dual speed 8—rear power 1x 8 10-30 vdc 1.0 a max + - uplink/normal power adapter socket only use the power adapter that is supplied with this officeconnect dual speed hub 8. Do not use any other adapter. Eight 10/100base-tx ports use suitable tp cable with rj-45 connectors. Yo...

  • Page 8

    8 dual speed hub 16—front power led green indicates that the power supply to the hub is collision leds yellow flash each time a collision is detected on the hub's 100mbps or 10mbps segment. Occasional collisions are a normal part of network operation; however, sustained collisions may indicate a pro...

  • Page 9

    9 dual speed hub 16—rear 10/100base-tx 16 8x 1x 9x uplink/normal warning: rj-45 ports. These are shielded rj-45 data sockets. They cannot be used as telephone sockets. Only connect rj-45 data connectors to these sockets. Warnhinweis: rj-45-anschlüsse dies sind abgeschirmte rj-45- datenbuchsen. Sie k...

  • Page 10

    10 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. The extra parts mentioned in the next section are not supplied with the hub. Workstation...

  • Page 11

    11 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 ...

  • Page 12

    12 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 13

    13 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 14

    14 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). Figure 3 configuration rules and example of a fast ethernet (100mbps) network ethernet (10mbps) configuration rules yo...

  • Page 15

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

  • Page 16: Roblem

    16 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 17

    17 figure 6 straight-through cable/crossover cable.

  • Page 18: Etworking

    18 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 19: Imensions

    19 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) *refer ...

  • Page 20: Nvironmental

    20 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 21: Mportant

    21 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 22: Ichtige

    22 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 23: Onsignes

    23 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 24: Echnical

    24 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 25

    25 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 26

    26 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...

  • Page 27

    27 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.

  • Page 28

    28 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 29

    29 3com corporation l imited w arranty 3com officeconnect dual speed hub 5, hub 8, hub 16 the duration of the warranty for the officeconnect dual speed hub 5 (3c16755), dual speed hub 8 (3c16753) and dual speed hub 16 (3c16754) is lifetime, including the power adapter. Advance hardware exchange is a...

  • Page 30

    30 and remedies are exclusive and are in lieu of all other warranties, terms, or conditions, express or implied, either in fact or by operation of law, statutory or otherwise, including warranties, terms, or conditions of merchantability, fitness for a particular purpose, satisfactory quality, corre...

  • Page 31

    31 r egulatory s tatements 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 limits are...

  • Page 32

    Part no. Dua1675-1aaa05 published may 2001 32.