D-Link Air DWL-520 User manual

Manual

D-Link Air

DWL-520

2.4GHz

Building Networks for People

Wireless PCI Adapter

Contents

PackageContents ................................................................................3

Introduction............................................................................................4

Wireless Basics....................................................................................6

GettingStarted....................................................................................10

UsingtheConfigurationUtility..............................................................13

NetworkingBasics ..............................................................................20

Troubleshooting...................................................................................33

TechnicalSpecifications ......................................................................38

ContactingTechnical Support ..............................................................40

Warranty..... ........................................................................................41

Registration..... ....................................................................................44

Contents of Package:

D-Link Air DWL-520

2.4 GHz Wireless PCIAdapter

Manual and Warranty on CD

QuickInstallationGuide

Package Contents

If any of the above items are missing, please contact your reseller.

System Requirements:



Windows XP, Windows 2000, Windows ME, or Windows 98SE



A computer with an available 32-bit PCI slot



At least 32 MB of memory and a 300 MHz processor



An 802.11b Access Point (e.g., DWL-900AP+), or an 802.11b

wireless adapter (e.g., DWL-650.)



This manual applies specifically to the DWL-520 revision C1. Please

referto earlier versionsof this manualif youhave aprevious version

ofthe DWL-520.

Introduction

The D-Link Air DWL-520 Wireless PCIAdapter is an 802.11b wireless adapter

that supports high-speed wireless networking at home, at work or in public

places.

The DWL-520 is compatible with existing 802.11b devices such as the D-Link

Air andAirPlus family of products including the DWL-650 and DWL-650+ Wire-

less Cardbus Adapters, the DI-614+ Wireless Router, DWL-900AP+ Wireless

Access Point and the DWL-120 Wireless USB Adapter.

The DWL-520 is an ideal way to connect your desktop computer to a Wireless

Local Area Network (WLAN.) After completing the steps outlined in the Quick

Installation Guide (included in the package) you will have the ability to share

information and resources, such as files and printers, and take full advantage

of a “connected” environment for work or play!

The DWL-520 includes software drivers for the most popular Microsoft Win-

dows operating systems (Windows XP, Windows 2000, Windows Me, Win-

dows 98SE) and can be integrated into a larger network, running, in either Ad

Hoc mode (without an Access Point) or Infrastructure mode (with an Access

Point.) Please take a look at our Getting Started section in this manual to see

examples of typical network setups using the DWL-520 in both Infrastructure

and Ad-Hoc modes.

This manual provides a quick introduction to wireless technology and its appli-

cation as it relates to networking. Take a moment to read through this manual

and get acquainted with wireless technology.

Link: Solid green light indicates connection to the network

ACT: Blinking green light indicates activity on the network

LEDS

LED stands for Light-Emitting Diode.

Features & Benefits

Providesameasure of security for theinformation transmitted over awireless

network with high data encryption at 64 or 128-bit WEP.



Supportsinfrastructurenetworksvia an access point and peer-to-peercommu-

nicationinad-hoc mode



32-bitPCI performance



User-friendly configuration and diagnostic utilities

Maximumreliability, throughput andconnectivity with automaticdatarate

switching

Operatesinthe2.4GHzfrequency range

Providesa simple andinexpensive wayto connectyour desktopcomputerto

a wireless network at home, or at the office

Wi-Ficompatible

Fullycompliant with the 802.11bstandard and interoperablewith all existing

802.11b-compliantdevices

Quick and Easy Installation- The DWL-520 installs quickly and easily to a

standard PCI 2.2 slot in a desktop computer. By following the simple steps

outlined in the Quick Installation Guide, you can connect to an available

wireless network in a matter of seconds

HighPerformance 32-bit PCI- The highcapacity PCI interfaceutilized by the

DWL-520ensuresoptimal performance in transmittinga wireless signal within

the desktop computer. By utilizing a standard PCI 2.2 interface, the DWL-520

ensuresa wide range ofcompatibility with motherboardsused byPC manu-

facturers

Provideshigh-speedwirelessconnection up to 11Mbps

D-Link wireless products are based on industry standards to provide easy-to-

useand compatiblehigh-speedwirelessconnectivitywithin yourhome,business

or public access wireless networks. Strictly adhering to the IEEE standard, the

D-Link wireless family of products will allow you to securely access the data

you want, when and where you want it. You will be able to enjoy the freedom

that wireless networking delivers.

A wireless local area network (WLAN) is a cellular computer network that

transmits and receives data with radio signals instead of wires. Wireless LANs

are used increasingly in both home and office environments, and public areas

suchas airports,coffeeshops anduniversities. Innovativeways toutilize WLAN

technology are helping people to work and communicate more efficiently.

Wireless Basics

Increased mobility and the absence of cabling and other fixed infrastructure

have proven to be beneficial for many users.

Wireless users can use the same applications they use on a wired network.

Wireless adapter cards used on laptop and desktop systems support the same

protocols as Ethernet adapter cards.

Under many circumstances, it may be desirable for mobile network devices to

linkto aconventionalEthernetLANin orderto useservers,printersoran Internet

connection supplied through the wired LAN. A Wireless Router is a device

used to provide this link.

Wireless Basics (continued)

People use wireless LAN technology for many different purposes:

Mobility - Productivity increases when people have access to data in any

locationwithin theoperating rangeof theWLAN. Managementdecisionsbased

on real-time information can significantly improve worker efficiency.

Low Implementation Costs –WLANs (Wireless Local Area Networks) are

easyto setup, manage,change andrelocate. Networksthat frequentlychange,

bothphysicallyand logically,can benefit fromWLANsease ofimplementation.

WLANscan operatein locationswhereinstallationofwiringmaybeimpractical.

Installation Speed and Simplicity - Installing a wireless LAN system can

be fast and easy and can eliminate the need to pull cable through walls and

ceilings.

Network Expansion - Wireless technology allows the network to go

where wires cannot.

Scalability – Wireless Local Area Networks (WLANs) can be configured in a

variety of topologies to meet the needs of specific applications or existing

infrastructures. Configurations are easily changed and range from peer-to-

peer networks suitable for a small number of users to larger infrastructure

networks to accommodate hundreds or thousands of users, depending on the

number of wireless devices deployed.

The DWL-520 is compatible with 802.11b wireless products, which include:

2.4GHz Wireless Cardbus Adapters used with laptop computers

(D-Link Air DWL-650, D-Link AirPlus DWL-650+)

2.4GHz Wireless PCI cards used with desktop computers

(D-Link AirPlus DWL-520+)

Enhanced 2.4GHz Wireless Access Point

(D-Link Air DWL-900AP, D-Link AirPlus DWL-900AP+)

Enhanced 2.4GHz Wireless Broadband Router

(D-Link AirPlus DI-614+, DI-714P+)

Standards-Based Technology

Based on the IEEE 802.11b standard, the DWL-520 is also interoperable with

existing compatible 2.4GHz wireless technology with data transfer speeds of

up to 11Mbps.

Wireless Basics (continued)

Installation Considerations

The D-Link Air DWL-520 lets you access your network, using a wireless

connection, from virtually anywhere. Keep in mind, however, that the number,

thicknessand locationof walls,ceilings, orotherobjectsthatthewirelesssignals

must pass through, may limit the range. Typical ranges vary depending on the

types of materials and background RF (radio frequency) noise in your home or

business. The key to maximizing wireless range is to follow these basic

guidelines:

1. Keep the number of walls and ceilings between the DWL-520 and

other network devices to a minimum - each wall or ceiling can reduce

your D-Link Air Wireless product’s range from 3-90 feet (1-30 meters.)

Position your devices so that the number of walls or ceilings is minimized.



2. Be aware of the direct line between network devices.A wall that is

1.5 feet thick (.5 meters), at a 45-degree angle appears to be almost 3

feet (1 meter) thick. At a 2-degree angle it looks over 42 feet (14 meters)

thick! Try to make sure that devices are positioned so that the signal will

travel straight through a wall or ceiling for better reception.

3. Building Materials make a difference - a solid metal door or aluminum

studs may have a negative effect on range. Try to position wireless

devices and computers with wireless adapters so that the signal passes

through drywall or open doorways and not other materials.

4. Keep your product away (at least 3-6 feet or 1-2 meters) from electrical

devices or appliances that generate RF noise.

Installation Considerations (continued)

There are basically two modes of networking:

Infrastructure – using an Access Point or Router, such as

theDI-614+

Ad-Hoc – directly connecting to another computer, for peer-to-

peer communication, using wireless network adapters on

each computer, such as two or more DWL-520 wireless

network adapters.

On the following pages we will show you an example of an Infrastructure

Network and an Ad-Hoc Network.

An Infrastructure network contains an Access Point or Router. The

Infrastructure Network example shown on the following page contains the

following D-Link network devices (your existing network may be comprised

of other devices):

Getting Started

With its default settings, the DWL-520, when activated, will

connect with other D-Link Air products, right out of the box.

A wireless Router - D-Link AirPlus DI-614+

A laptop computer with a wireless adapter -

D-Link Air DWL-650

A desktop computer with a wireless adapter -

D-Link Air DWL-520

A Cable modem - D-Link DCM-200



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