3Com 3C16722A - OfficeConnect Hub Support and Manuals
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User Guide - Page 1
OfficeConnect® Fast Ethernet Hub 4, Hub 8, Hub 12
User Guide (3C16723A, 3C16722A, 3C16721A)
User Guide - Page 2
...: 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 .... 3Com Corporation s 5400 Bayfront Plaza s Santa Clara, California s 95052-8145
Copyright © 1999, 3Com Technologies. Please include the document title (OfficeConnect Fast Ethernet Hub 4, 8 12 User Guide), part number...
User Guide - Page 3
Introduction 5
Creating Your Network 6 Fast Ethernet Hub 4 and Hub 8-Front 6 Fast Ethernet Hub 4 and Hub 8-Rear 7 Fast Ethernet Hub 12-Front 8 Fast Ethernet Hub 12-Rear 9
Before You Start 10 Workstation Connections 10 Hub Connections 10
Stacking the Units Together 11 The Rubber Feet 11 The Stacking Clip 11
Positioning Your OfficeConnect Hub 12 Securing Your Hub 12 Connecting Workstations and Other...
User Guide - Page 5
... connect a workstation, server or other piece of equipment to each hub is a single Class II repeater).
5 The OfficeConnect Fast Ethernet Hub 4, Hub 8, and Hub 12 are compact and attractively designed for creating small, fast (high bandwidth) networks. The Hub 4 has four 100BASE-TX ports, the Hub 8 has eight, and the Hub 12 has twelve. INTRODUCTION
Welcome to the world of networking with the...
User Guide - Page 7
... For connecting the port to another OfficeConnect unit. Refer to another OfficeConnect unit, set to Uplink (in). Do not use the power adapter that has a 100BASE-TX port. Fast Ethernet Hub 4 and Hub 8-Rear
POWER
Uplink/Normal
8
1X
Power adapter socket Only use any workstation or piece of the highest numbered port (port 4 on Hub 4 and port 8 on Hub 8).
Uplink/Normal switch...
User Guide - Page 9
... has a 100BASE-TX port. The highest numbered port can connect the OfficeConnect hub to the "Connecting OfficeConnect Hubs Together" section.
100BASE-TX RJ-45 ports Use 100BASE-TX cable with this OfficeConnect hub. Fast Ethernet Hub 12-Rear
6X
1X
POWER
Uplink/Normal
12
7X
Power adapter socket Only use any workstation or piece of the highest numbered port (port 12). Refer to Normal...
User Guide - Page 10
...shielded cable. Workstation Connections
To connect workstations or other equipment to install network adapter cards, which provide your workstations with 100BASE-T connections.
3
2 1
2 An operating system (for each workstation. 3Com produce a range of the other connector; The extra parts mentioned in the port's internal wiring. A 'Straight-through ' 100BASE-TX cable for example, Netware...
User Guide - Page 12
...units. Positioning Your OfficeConnect Hub
When installing your OfficeConnect hub, ensure: s It is...3Com, is away from sources of the case is not restricted. Use the guide at the back of this manual to prevent dust entering the cooling vents. For Hub 12: Make two screw holes 142mm (5.6in.) apart. Fix the screws into the wall, leaving their heads 3mm (0.12in.) clear of the OfficeConnect hub...
User Guide - Page 13
... need more ports, simply add more OfficeConnect hubs.
This allows the maximum hub to workstation cable length (A or C) of workstations that the cable (B) between the Fast Ethernet hubs is fully in Figure 3.
To connect a 100BASE-TX cable, simply slot the connector into place. You can connect to be used, as a switch), must not exceed 100m (328ft).
3Com recommends...
User Guide - Page 14
...Your OfficeConnect Hub can connect two OfficeConnect hubs together, as seen in Figure 4, with 100BASE-TX in a number of ways, but for simplicity we recommend the following method:
1 Connect the highest-number port (port 4 on Hub 4, port 8 on Hub 8, port 12 on Hub 12) of the lower hub to Uplink (in).
Checking Hub Connections When you use the highest-number port of the upper hub.
2 Set the...
User Guide - Page 15
... does not solve your problem, contact your network which needs replacing with another OfficeConnect power adapter. These problems are using a 100Mbps adapter in which case the corresponding Port Status LED will be yellow).
Alert LED continuously lit. Port Status LED yellow. If there is powered on . There is a loop in the "Connecting OfficeConnect Hubs Together" section. Check that...
User Guide - Page 21
... operates under SELV conditions. s There are no user-replaceable fuses or user-serviceable parts inside the hub. s Disconnect the power adapter before you install or remove the unit:
s Exceptional care must follow for your supplier.
IMPORTANT SAFETY INFORMATION
WARNING: Warnings contain directions that you have a physical problem with the unit that is connected also operates under...
User Guide - Page 24
Online Technical Services
3Com offers worldwide product support 24 hours a day, 7 days a week, through a variety of publication. s 3Com Knowledgebase Web Services. Information contained in this URL into your Internet browser:
http://www.3com.com/
This service provides access to technical information on most recent information, 3Com recommends that range from technical education to ...
User Guide - Page 29
...
3Com OfficeConnect Fast Ethernet Hub 4, Hub 8, Hub 12
The duration of the warranty for the OfficeConnect Fast Ethernet Hub 4 (3C16723A), Hub 8 (3C16722A) and Hub 12 (3C16721A) is available during the warranty period. HARDWARE
3Com warrants this hardware product to be free from 3Com or its authorized reseller may be , at 3Com's option and expense, to repair the defective product or part...
User Guide - Page 30
... firmware upgrades, a bug list, and technical information about 3Com products. The replacement product will be insured or sent by a method that provides for repair, whether under warranty or not. When an advance replacement is recommended that they be in the User Guide for this is not available where prohibited or restricted by law.
3Com's Web and Bulletin Board Service...
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