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 6
...Port Status LEDs green/yellow Indicates the status of each time a collision is present.
If nothing is connected, the LED is being used. Power LED green Indicates that segment. Collision LED yellow Flashes each port. Alert
Power Activity Collision
Port Status
12345678 Green = OK, Yellow = Partitioned
Network Utilization
1% 2% 3% 6% 12% 25% 50% 80%
OfficeConnect Fast Ethernet Hub...
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 8
... LEDs green/yellow/orange Indicates how much your network is OK. Alert
Power Collision
Port Status
123456 7 8 9 10 11 12 Green = OK, Yellow = Partitioned
Network Utilization
1% 2% 3% 6% 12% 25% 50% 80%
OfficeConnect Fast Ethernet Hub 12
8
If nothing is connected, the LED is present.
Collisions are part of network equipment is being used.
Power LED green Indicates that segment.
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 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 17
... Fast Ethernet operation and occur if two or more devices (pieces of collisions can indicate a problem with a device, particularly if it is not accompanied by more than one of exchanging information or sharing resources. A Local Area Network (LAN) is a network, usually in the number of network equipment) attempt to transmit at 100Mbps.
The OfficeConnect hub...
User Guide - Page 18
... power
0 to 40°C (32 to 105°F) operating temperature
0 to 90% (non-condensing) humidity
225mm (9in.)
35.8mm (1.4in.)
135.4mm (5.3in.) 550g (1.2lb)
OfficeConnect Fast Ethernet Hub 12
12 VA 40 BThU/hr power requirement
0 to 40°C (32 to 105°F) operating temperature
0 to 90% (non-condensing) humidity
228mm (9.12in.)
54.6mm (2.1in...
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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