Enterasys Networks RBTSA-AA, RBTSA-AB manual 802.11a, 802.11g

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8CHAPTER 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 spectrum, it is not compatible with 802.11g.

The higher spectrum provides about 50 m (164 ft) of coverage—about half what 802.11g offers.

Consider 802.11a when you need high throughput in a confined space and you are:

Running high-bandwidth applications like voice, video, or multimedia over a wireless network that can benefit from a five-fold increase in data throughput.

Transferring large files like computer-aided design files, preprint publishing documents or graphics files, such as MRI scans for medical applications, that demand additional bandwidth.

Supporting a dense user base confined to a small coverage area. Because 802.11a has a greater number of non-overlapping channels, you can pack more wireless devices in a tighter space.

802.11g

802.11g operates in the 2.4 GHz band at up to 54 Mbps. Ratified in 2003, it supports the widest coverage—up to 100 m (328 ft). However, is subject to a greater risk of radio interference because it operates in the more popular 2.4 GHz band.

802.11b operates at up to 11 Mbps and supports coverage up to 100 m (328 ft).

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Contents RoamAbout Page Contents Obtaining Support for Your Enterasys Networks Product END User License Agreement Regulatory Information Page About this Guide Conventions List conventions that are used throughout this guideConventions Documentation Accessing OnlineRelated Product Registration Support About this Guide Introduction 802.11a 802.11gPlanning ConfigurationNetwork Example ConfigurationsWireless Infrastructure Network Operating systems, and network printers, as shown in FigureUnpacking Ethernet AdapterEthernet Adapter Deciding Where to Place the Ethernet Adapter To wall-mount the Ethernet Adapter Place the Ethernet Adapter onto the wall, as shown in FigureConnecting Connect the powerInstalling the Ethernet Adapter Connecting to a Hub As follows IndicatorsChecking the LED LED Descriptions External Antenna Need to ConfigureAttaching An Determining if youNetworks without a Dhcp Server Ethernet Adapter Default Settings Shows the Ethernet Adapter configuration factory defaultsUsing the Enterasys Networks Installation CD Installing the Ethernet Adapter Configuring the Ethernet Configuring the Ethernet Adapter Click Configure Button Description Management UsingConfigure the Ethernet Adapter through your Web browser SystemClearing Applying System Configuration Settings System Properties Setting Description Wireless Network Select Specify the Wireless LAN Service Area to allow External and one internal antenna- this setting Set the Data Preamble 104/128-bit Shared Key No Security Open System40/64-bit Shared Key WEP 128/152-bit Shared KeyTkip Radius Authentication Server Settings Enables or disables Snmp Using the Configuration Management System Configuring Operation Mode About UartConfiguring Uart Settings Configuring Network Serial Port Settings0x34 0x31 0x33 0x39 Applying Settings Factory DefaultsUsing FTP default To restore the settings through softwareClick Restore Using Tftp Using HttpUnder Tools, click Backup Wireless Ethernet Adapter For details Click Refresh to update the information SummaryFollowing table ProblemsDiagnosing Troubleshooting Disconnecting the To disconnect the Ethernet Adapter SymptomSolutionsUpgrading Ethernet UninstallingSoftware Adapter FirmwareEnterasys Networks using one of the following methods Getting HelpPage END User License Agreement Page Regulatory Information MANUFACTURER’S Declaration of Conformity Canada Industry Canada IC Europe EU Declaration of Conformity Bipt 108, 112, 116