3Com 3C16751 User Manual
3Com 3C16751 User Manual

3Com 3C16751 User Manual

3com duel speed hub user guide

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Part No.
DUA1675-1AAA01
Published
August 1998
I
NTRODUCTION
Welcome to the world of networking with 3Com
In the modern business environment, communication
and sharing information are crucial. Computer
networks have proved to be one of the fastest modes
of communication. The OfficeConnect
range from 3Com brings the power of computer
networks to the small office.
The OfficeConnect Dual Speed Hub 16 is an
easy-to-use Class II hub (repeater) with 16
10/100BASE-TX ports. It allows you to set up a
network with both Ethernet (10Mbps) and Fast
Ethernet (100Mbps) workstations and other devices
(a Class II hub can be connected to another Fast
Ethernet hub, a Class I hub cannot).
When referring to the OfficeConnect Dual Speed
Hub 16, this guide uses the term 'Hub'.
Each port on the Hub can be connected to either a
10BASE-T (Ethernet) or a 100BASE-TX (Fast Ethernet)
device. The port senses the speed of the connected
equipment and operates at the appropriate speed.
If you wish to extend an existing Ethernet network
into Fast Ethernet, adding a Dual Speed Hub 16 can
offer a more cost-effective migration path than
adding both a 100Mbps hub and a 10/100Mbps
switch.
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ONNECT
3C16751
3C16751
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D
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Small Network with OfficeConnect Dual Speed Hub 16
The Hub is ideal for use with other OfficeConnect
products. The OfficeConnect product range is
compact and attractively designed for desktop use,
and neatly stacks together with clips. For further
information, refer to the "OfficeConnect Product
Range " sheet that accompanies the Hub.
This guide helps you get the most out of your Hub.
1
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PEED
UB
16
16

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Summary of Contents for 3Com 3C16751

  • Page 1 Part No. DUA1675-1AAA01 Published August 1998 NTRODUCTION Welcome to the world of networking with 3Com In the modern business environment, communication and sharing information are crucial. Computer networks have proved to be one of the fastest modes of communication. The OfficeConnect range from 3Com brings the power of computer networks to the small office.
  • Page 2: Your Network

    REATING Networking Terminology 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 3: Before You Start

    Hub, you need: One 10BASE-T, 10/100BASE-TX, or 100BASE-TX adapter card for each workstation. 3Com produce a range of easy to install network adapters, which provide your workstation with a suitable connection. One suitable TP cable for each workstation.
  • Page 4: Positioning Your Officeconnect Hub

    If you are using port 16 to connect a workstation, ensure the MDI/MDIX switch is set to MDIX (out). TP cables are very easy to use. To connect a cable, simply slot the connector into the appropriate RJ45 port.
  • Page 5: Connecting Another Officeconnect Hub

    (such as a switch), must not exceed 205m (672ft). Each cable (A, B, or C) must not exceed 100m (328ft). 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 the example.
  • Page 6: Safety Information

    3Com Corporation, 5400 Bayfront Plaza, Santa Clara, California, 95052-8145, U.S.A. © 3Com Technologies, 1998. 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) without permission from 3Com Technologies.
  • Page 7: Dimensions And Operating Conditions

    OfficeConnect hub not working. Check your connections; follow the information given in the “Connecting Another OfficeConnect Hub” section on page 5. It is likely that an MDI/MDIX switch is incorrectly set. Alert LED continuously lit. There is a problem with the network.
  • Page 8: Limited Warranty

    3Com's Corporate Service Center or to an Authorized 3Com Service Center Year 2000 Compliance: For information on Year 2000 compliance and 3Com products, visit the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html Environmental Statement: Please recycle this user guide after use.

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3c16751bOfficeconnect dual speed hub 16

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