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3Com 11a/b/g Wireless Workgroup Bridge
User Guide
Model: WL-560
3CRWE675075
http://www.3com.com/
Part No. DUA6750-75AAA01
Published November 2004
Version 1.0.2
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3Com Corporation Copyright © 2004, 3Com Corporation. 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 350 Campus Drive adaptation) without written permission from 3Com Corporation. Marlborough 3Com Corporation reserves the right to revise this documentation and to make changes in content from time MA USA 01752-3064 to time without obligation on the part of 3Com Corporat
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CONTENTS ABOUT THIS GUIDE Conventions 2 Related Documentation 2 Accessing Online Documentation 3 Product Registration and Support 4 1 INTRODUCTION Product Features 5 Security 5 Wireless Network Standards 6 Network Configuration and Planning 7 Example Configurations 8 2 INSTALLING THE BRIDGE Unpacking the Bridge 9 Observing Safety Precautions 10 Deciding Where to Place the Bridge 11 Wall-Mounting the Bridge 11 Installing the Locking Bar 12 Placing the Bridge on a Flat Surface 13 Connecting the Br
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3 CONFIGURING THE BRIDGE Using Secure Web Server Connection 23 Using the 3Com Wireless Infrastructure Device Manager 24 Using the Configuration Management System 27 Clearing and Applying System Configuration Settings 28 Changing System Properties 29 Setting IP Network Properties 30 Setting Wireless Network Properties 31 Manually Select Radio Channels 33 Setting Up an Ad-Hoc Network 34 Changing Wireless Security Settings 35 Changing RADIUS Settings 37 Changing SNMP Settings 38 Using the Access Co
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A OBTAINING SUPPORT FOR YOUR 3COM PRODUCT Register Your Product to Gain Service Benefits 53 Solve Problems Online 53 Purchase Extended Warranty and Professional Services 54 Access Software Downloads 54 Contact Us 54 Telephone Technical Support and Repair 55 END USER LICENSE AGREEMENT REGULATORY INFORMATION
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ABOUT THIS GUIDE This guide provides all the information you need to install and use the 3Com 11a/b/g Wireless Workgroup Bridge in its default state. The guide is intended for use by IT managers and experienced network installation and administration professionals who have a basic knowledge of current networking concepts. If the information in the release notes that are shipped with your product differ from the information in this guide, follow the instructions in the release notes. Most u
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2 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device. Warning Information that alerts you to potential personal injury. Table 2 Text Conventions Convention Description Screen displays This typ
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Accessing Online Documentation 3 ■ Quick Start Guide—printed guide that describes basic installation. ■ Online Help—product help systems that describe how to use the Configuration Management System and 3Com Wireless Infrastructure Device Manager. ■ Release Note—printed note that describes important product information. ■ README.TXT file—text file located on the 3Com Installation CD that describes last-minute product information. Accessing Online The CD supplied with your Bridge contains the
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4 ABOUT THIS GUIDE Product To register your product with 3Com, go to the following Web page: Registration and http://esupport.3com.com Support For support information, see “Obtaining Support for your 3Com Product” on page 53 or log on to the 3Com Web site at http://www.3com.com and navigate to the product support page.
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INTRODUCTION 1 3Com wireless technology has all of the benefits of a local area network (LAN) without the constraints and expense of network wiring. 3Com 11a/b/g Wireless LAN products provide easy, affordable, flexible ways to extend wireless networks to more users. This guide shows how you can use the 3Com 11a/b/g Wireless Workgroup Bridge in your office or classroom to connect groups of wired Ethernet client devices to your wireless LAN. Product Features The 3Com 11a/b/g Wireless Workgro
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6 CHAPTER 1: INTRODUCTION Wireless Network Understanding the characteristics of the 802.11a and 802.11g standards Standards can help you make the best choice for your wireless implementation plans. 802.11a Ratified in 2002, 802.11a is IEEE’s more recent wireless standard. It operates at the 5 GHz band and supports data rates at up to 54 Mbps. Because there are fewer devices in the 5 GHz band, there’s less potential for RF interference. However, because it is at an entirely different radio s
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Network Configuration and Planning 7 Consider 802.11g when you need wider coverage and vendor compatibility and you are: ■ Maintaining support for existing 802.11b users and the existing wireless investment while providing for expansion into 802.11g. ■ Implementing a complete wireless LAN solution, including bridges, gateways, access points and clients; Wi-Fi certification guarantees compatibility among vendors. ■ Providing access to hot spots in public spaces such as coffee shops or univer
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8 CHAPTER 1: INTRODUCTION Example The following examples illustrate ways you can use the Bridge to Configurations configure Ethernet client devices into workgroups. (Details for setting up specific configurations are in “Installing the Bridge” on page 9.) Wireless Infrastructure Network You can connect several computers, including those with non-Windows operating systems, and network printers, as shown in Figure 1. Figure 1 Wireless Infrastructure Network Hub Access Point 11a/b/g W ireless
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INSTALLING THE BRIDGE 2 This chapter contains the information you need to install and set up the Bridge. It covers the following topics: ■ Unpacking the Bridge ■ Observing Safety Precautions ■ Deciding Where to Place the Bridge ■ Connecting the Bridge ■ Checking the LED Indicators ■ Attaching An External Antenna ■ Determining if you Need to Configure the Bridge ■ Using the 3Com Installation CD Unpacking the Make sure that you have the following items, which are included with the Bridge Bridge:
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10 CHAPTER 2: INSTALLING THE BRIDGE Figure 3 shows the front view of the Bridge, including the LEDs and connecting ports. It also shows the cradle, which is used to mount the Bridge to a wall or to install the Bridge on a flat surface. Figure 3 Bridge 11a/b/g Wireless Workgroup Bridge Power Port Serial Port Ethernet Port Cradle Observing Safety This equipment must be installed in compliance with local and national Precautions building codes, regulatory restrictions, and FCC rules. For the s
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Deciding Where to Place the Bridge 11 Deciding Where to Place the Bridge in a dry, clean location near the hub, computer, or Place the Bridge printer that will be connected to the Bridge. The location must have a power source and be within the following distance of a Wi-Fi compliant wireless LAN access point or ad-hoc wireless station: ■ For 802.11a compatibility, place the Bridge within 50 m (164 ft) of a Wi-Fi compliant wireless LAN access point. ■ For 802.11b/g compatibility, place the Br
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12 CHAPTER 2: INSTALLING THE BRIDGE 2 Route the power and Ethernet cables through the large opening in the cradle. Figure 5 shows a cable being routed under the cradle. Figure 5 Routing Cable Under the Cradle 3 Connect the power and Ethernet cables to the ports on the Bridge. 4 Snap the Bridge onto the cradle. Installing the For additional security, install the locking bar in the cradle after the Bridge Locking Bar is mounted to the wall. Use your own lock to secure it in place. To install t
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Deciding Where to Place the Bridge 13 2 Push the locking bar through the opening until the hole on the locking bar is exposed. 3 Insert a lock through the hole on the locking bar, and then close the lock to secure it in place, as shown in Figure 7. Figure 7 Securing the Locking Bar Placing the Bridge on The Bridge comes with four rubber feet that can be used to install the a Flat Surface Bridge on a flat surface such as a table or desktop. CAUTION: Do not place the Bridge on any type of met
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14 CHAPTER 2: INSTALLING THE BRIDGE Connecting the The Bridge has power, Ethernet, and serial ports, as shown in Figure 8. Bridge Before connecting the Bridge to an Ethernet device, connect the power. Figure 8 Connecting the Power Power Cable Ethernet Cable Connecting to a The Bridge can also be connected to a serial device, as shown in Figure 9. Serial Device Serial cables come with a variety of connector sizes. If your connector is large and prevents the cradle from being attached to th
