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3Com OfficeConnect Ethernet Hub 16C User Manual

Summary of OfficeConnect Ethernet Hub 16C

  • Page 1

    Officeconnect ® ethernet hub 16c user guide (3c16702a) 3c16702.Book page i tuesday, july 13, 1999 10:16 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 ethernet hub 16c—front 6 ethernet hub 16c—rear 7 before you start 8 workstation connections 8 hub connections 8 stacking the units together 9 the rubber feet 9 the stacking clip 9 positioning your officeconnect hub 10 securing the officeconnect hub 10 connect...

  • Page 4

    4 3c 16 70 2 .Bo ok p age 4 t u es d ay, j u ly 13 , 1 9 9 9 1 0 :1 6 a m.

  • 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 y our n etwork ethernet hub 16c—front 9 1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 coax 1% 2% 3% 6% 12% 25% 50% 80% port status network utilization alert power collision officeconnect ethernet hub 16c green = ok, yellow = partitioned alert led orange alerts you to excessive network use or an i...

  • Page 7

    7 ethernet hub 16c—rear power adapter socket only use the power adapter that is supplied with this officeconnect hub. Do not use any other adapter. Coaxial port can be used to connect your hub to other officeconnect hubs and equipment with 10base-2 (coaxial) cabling. Uplink/normal switch affects the...

  • 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 officeconnect 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...

  • 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 connecting hubs using 10base-2 ( coaxial ) when using 10base-2 (coaxial) cable, it is important that both ends of the segment are properly terminated with 50 ohm terminators (end pieces). Only use 50 ohm 10base-2 (coaxial) cables and use a ‘y’ piece for each hub. You can use ‘t’ pieces but ‘y’ pi...

  • Page 13

    13 connecting hubs using 10base-t you can connect hubs together with 10base-t in a number of ways, but for simplicity we recommend the following method: 1 starting from the bottom, connect port 16 of the lower hub to port 15 of the hub immediately above. Repeat for each hub (as shown in figure 4). 2...

  • 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 refer to figure 5 below to compare the wiring of a straight-through and a crossover cable. Figure 5 straight-through cable/crossover cable 1 normal port pin pin uplink port rx+ rx- tx+ tx- rx- rx+ tx- tx+ 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 normal port pin pin normal port rx+ rx- tx+ tx- rx+ rx- tx+ ...

  • 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...

  • Page 25

    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 ethernet hub 16c the duration of the warranty for the officeconnect ethernet hub 16c (3c16702a) is lifetime, including the power adapter. Advance hardware exchange is available during the first year from your date of purchase in accordance wi...

  • 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 w a ll m ount ing scr e w hol e gui de 1 4 2 m m (5 .6 in .) 3c 16 70 2 .Bo ok p age 31 t u es da y , j u ly 1 3 , 19 9 9 10 :1 6 a m.

  • Page 32

    P a rt no . Dua 1 6 7 0 -2 a a a 0 2 pu bl is hed j u n e 19 99 32 3c 16 70 2 .Bo ok p age 32 t u es da y , j u ly 1 3 , 19 9 9 10 :1 6 a m.