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11 Mbps Wireless LAN
Access Point 8000
User Guide
Version 1.1
http://www.3com.com/
http://support.3com.com/registration/frontpg.pl/
Published April, 2002
Version 1.1.2
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3Com Corporation Copyright © 2002 3Com Corporation. All rights reserved. No part of this documentation may be 5400 Bayfront Plaza reproduced in any form or by any means or used to make any derivative work (such as translation, Santa Clara, California transformation, or adaptation) without written permission from 3Com Corporation. 95052-8145 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part
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CONTENTS 1 INTRODUCTION Wireless and Wired Networks 1 Access Point 8000 Feature Summary 1 Installation Overview 2 2 INSTALLING THE ACCESS POINT Before You Begin 5 Deciding Where to Place Equipment 5 Connecting the Standard Antenna 6 Placing the Access Point 6 Mounting on a Wall 7 Mounting on a Ceiling 8 Connecting Power 9 Connecting to an Ethernet Network 10 Checking the LEDs 10 Selecting A Different Antenna
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Using the Configuration Management System 25 Changing Access Point Properties 26 Setting Network Properties 26 Setting Data Transmission Properties 27 Setting Advanced Data Transmission Properties 28 Setting up Security 29 Security Settings 29 Access Point Encryption Settings 30 Setting up a User Access List 30 Setting up a MAC Address Access List 31 Defining RADIUS Servers 31 Configuring for SNMP Management 31 Defining a TFTP Serv
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Returning Products for Repair 48 REGULATORY COMPLIANCE INFORMATION INDEX
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INTRODUCTION 1 The 3Com wireless product family lets you set up a local area network (LAN) without the restraints of network cabling. If your office already has an Ethernet LAN, the 3Com 11 Mbps Wireless LAN Access Point 8000 can extend the network without additional cabling. The access point security features extend the security of installed wired networks to include all wireless components. The type of network you configure depends on the size of your office and whether you require
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HAPTER NTRODUCTION 2 C 1: I User support Supports up to 256 simultaneous users, regardless of mode of operation. DHCP support Uses DHCP to obtain a leased IP address and network configuration information from a server. If the network has no DHCP server, the access point’s internal DHCP server assigns IP addresses to wireless clients in a stand-alone wireless network. SNMP and MIB interfaces SNMP, HP OpenView, and 3Com Network Supervisor (3NS). Authentication features
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Installation Overview 3 5 After hardware installation is complete, install the access point tools, utilities, and user guide from the installation CD. See “Installing Software Utilities” on page 14. 6 To set up a wireless client to authenticate through the access point to your RADIUS server, refer to “Using the Wireless 802.1x Agent” on page 19. 7 To set access point security or configure the wireless network, refer to “Configuring the Access Point 8000” on page 23. 8 Review the syst
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INSTALLING THE ACCESS POINT 2 Before You Begin The following items are required for installation: 3Com Integrated Power-over-Ethernet power supply and power cord. Standard category 5 straight (8-wire) Ethernet cable for connecting the access point to the power supply. This length of cable must reach from the access point to the power supply. If you plan to connect the access point to a wired network, you will need an additional length of Ethernet cable. I
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HAPTER NSTALLING THE CCESS OINT 6 C 2: I A P selecting the final location and be sure to allow for routing the antenna cable as required. Do not install the access point in wet or dusty areas without protection. Make sure the temperature ranges between –20˚ C to 55˚ C (–4˚ F to 131˚ F). Connecting the The access point is supplied with standard detachable antennas. These should be Standard Antenna attached before the access point is installed. 1 Carefully unpack the st
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Placing the Access Point 7 Mounting on a Wall To mount an access point on a wall, follow the instructions on the mounting template supplied in the box and refer to the following illustration. Preferably, mount the access point near the ceiling above any obstructions that could block transmission. Position the antenna so that the arms point out and away from the access point at a 45˚ angle 1 2 3 4
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TO POWER SUPPLY RESET POWER WIRELESS ETHERNET RESET TO POWER SUPPLY 8 CHAPTER 2: INSTALLING THE ACCESS POINT Mounting on a Ceiling To mount an access point to the T-rail grid of an acoustical ceiling, you must first attach the mounting bracket to the access point as shown. Align the T-rail grips with the ceiling T-rail, adjusting them so they grip the T-rail snugly. Tighten the screws on the T-rail grip. Position the antenna so that the arms point down and away from the access point at a 45˚ a
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POWER WIRELESS ETHERNET TO ACCESS POINT TO HUB/SWITCH RESET TO POWER SUPPLY Connecting Power 9 Connecting Power The access point is powered by the 3Com Integrated Power-over-Ethernet power supply, which provides power over a standard category 5 straight (8-wire) Ethernet cable. This eliminates the need to run standard power directly to the access point. The power supply can be located at any point between the access point and the LAN access port (if you plan to connect to a wired LAN), where
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POWER WIRELESS ETHERNET Ethernet TO ACCESS POINT TO HUB/SWITCH RESET TO POWER SUPPLY 10 CHAPTER 2: INSTALLING THE ACCESS POINT Connecting to an Use a standard Ethernet cable to connect the access point to an Ethernet network, Ethernet Network as shown below. To avoid damaging other components connected to the network, make sure that the Ethernet cable connected to the LAN port is plugged into the To Hub/Switch port on the power supply (not the To Access Point port). Checking the LEDs LED Desc
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Selecting A Different Antenna 11 Selecting A Different The standard detachable portable antenna supplied with the access point is a Antenna multi-purpose antenna suitable for a variety of environments, including office LANs, physical plants, and factory floors. If your site has special requirements that might be served by different types of antenna, four optional antenna models are available, as shown below: Model number 3CWE490 3CWE492 3CWE497 3CWE498 Design and type Omnidirectional Ceiling-m
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12 CHAPTER 2: INSTALLING THE ACCESS POINT a design, be sure that it can pass signals used in the 2.5 GHz signal range. Many inexpensive units are available with F connectors, but these are typically designed for cable TV-UHF applications and may degrade the signals in the band used by the access point. Ceiling Mount Omnidirectional Antenna The ceiling-mount omnidirectional antenna (model number 3CWE492) is designed to cover large, open areas. It should be located at or near the center of
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Selecting A Different Antenna 13 Directional Panel Antenna The ceiling, wall, and corner-mount flat-panel directional antenna (model 3CWE498) provides stable coverage both indoors and outdoors. The panel can be mounted virtually anywhere and in any orientation. The flat-panel directional antenna operates with a gain of 8 dBi. Depending on the country where the access point is being installed, there may be transmit power restrictions: When using this antenna in the United States, Canada
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14 CHAPTER 2: INSTALLING THE ACCESS POINT antenna to achieve the maximum possible received signal strength. See “Using the Site Survey Tool” on page 39 for more information. 1 Position the antenna so that there are minimal "A" side obstacles between it and any client with which it will communicate. While maintaining a direct line of sight between the antenna and a client is not strictly necessary, such an arrangement helps to ensure a strong signal. Ensure that access is available for rou
