D-Link Air Xpert DWL-AG650 Manuel utilisateur

Manual

Building Networks for People

Tri-mode, Dual-band

DWL-AG650S

D-Link

Air PremierAG

Wireless Cardbus Adapter

Contents

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

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

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

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

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

NetworkingBasics ..............................................................................22

Troubleshooting...................................................................................35

TechnicalSpecifications ......................................................................40

ContactingTechnical Support ..............................................................42

Warranty.......................... ...................................................................43

Contents of Package:

D-Link Air Premiere AG DWL-AG650S

Tri-mode, Dual-band Wireless Cardbus Adapter

Manual, Warranty and Drivers on CD

PrintedQuickInstallationGuide

Package Contents

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

System Requirements for Configuration:



An 802.11a, 802.11b or 802.11g access point (for Infrastruc-

ture mode) or another 802.11a, 802.11b, or 802.11g wireless

adapter (forAd-Hoc; Peer-to-Peer networking mode).



At least 128MB of memory and a 500MHz processor



Windows XP/2000/Me/98SE



Alaptop or notebook computer with an available 32-bit

cardbus slot



Introduction

*Not all servers can provide Authentication

The D-Link Air Premier AG DWL-AG650S Tri-mode Dual-band Wireless

CardbusAdapterisan 802.11a / 802.11b /802.11ghigh-performance, wireless

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

public places.

Featuringa breakthroughall-in-one tri-modedual-band design,the new D-Link

Air Premier AG DWL-AG650S is a next generation laptop PC adapter that

connects to 802.11a (in the 5GHz band) and 802.11g networks (in the 2.4GHz

band)at54Mbps(108MbpsinTurbomode)and802.11bnetworks(inthe2.4GHz

band) at 11Mbps.

The DWL-AG650S has the newest, strongest and most advanced security

features available today. When used with other 802.11 WPA (Wi-Fi Protected

Access) and 802.1x compatible products in a network with a RADIUS server,

the security features include:

WPA: Wi-Fi Protected Access which authorizes and identifies users based

on a secret key that changes automatically at regular intervals. WPA

uses TKIP (Temporal Key Integrity Protocol) to change the temporal

key every 10,000 packets (a packet is a kind of message transmitted

over a network.) This ensures much greater security than the standard

WEP security. (By contrast, the previous WEP encryption

implementations required the keys to be changed manually.)

802.1x: Authentication which is a first line of defense against intrusion. In the

authentication process, the Authentication Server* verifies the identity

of the client attempting to connect to the network. Unfamiliar clients

would be denied access.

For home users that will not incorporate a RADIUS server in their network, the

security for the DWL-AG650S, used in conjunction with other WPA-compatible

802.11 products, will still be much stronger than ever before. Utilizing the Pre-

Shared Key mode of WPA, the DWL-AG650S will obtain a new security key

every time it connects to the 802.11 network. You only need to input your

encryption information once in the configuration menu. No longer will you have

to manually input a new WEPkey frequently to ensure security. With the DWL-

AG650S,youwillautomaticallyreceiveanewkeyeverytimeyouconnect,vastly

increasing the safety of your communication.

Features

LEDs

LED standsforLight-EmittingDiode.TheDWL-AG650S hasthefollowingLEDs:

User-friendly configuration and diagnostic utilities

Versatility - The DWL-AG650S is fully compatible with IEEE 802.11a

and802.11bstandards,makingitinteroperablewith802.11aand802.11b

wireless routers and access points in your office, home or at public

wireless hotspots.



32-bit Cardbus Performance/Plug & Play Connectivity -The DWL-

AG650S is a powerful 32-bit cardbus adapter that installs quickly and

easilyintolaptop PCs, andwhen used with otherD-Link AirPremierAG

products will automatically connect to the network out of the box.



Compatible with 802.11a, 802.11b and 802.11g Devices - Fully com-

patiblewiththeIEEE802.11a,802.11band802.11gstandards,theDWL-

AG650S can connect with existing 802.11b, 802.11g- or 802.11a- com-

pliant routers, access points and cards. That means you can still com-

municatewithcolleaguesand friends while youhavetheability to link to

even more wireless networks.



Faster Wireless Networking - Faster data transfers mean increased

productivity. With the DWL-AG650S in your laptop PC, you will have

the flexibility of wireless networking speeds that save you time and

money.



Better Security with 802.1x and WPA-With the DWL-AG650S inyour

laptopPCyou can securelyconnect to awirelessnetwork using 802.1x

for wireless authentication, as well as WPA (Wi-Fi Protected Access)

providingyou a much higher levelof securityfor your data and commu-

nication than has previously been available.



Asteadylightindicates a con-

nection to an access point

Link

Ablinkinglightindicates

data is being transmitted

Activity

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

useandcompatiblehigh-speedwirelessconnectivitywithin your home,business

or public access wireless networks. D-Link wireless products will allow you

access to the data you want, when and where you want it. You will be able to

enjoy the freedom that wireless networking brings.

A Wireless Local Area Network (WLAN) is a computer network that transmits

and receives data with radio signals instead of wires. WLANs are used

increasingly in both home and office environments, and public areas such as

airports, coffee shops and universities. Innovative ways to utilize WLAN

technology are helping people to work and communicate more efficiently.

Increased mobility and the absence of cabling and other fixed infrastructure

have proven to be beneficial for many users.

Wireless Basics

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.

Wireless Basics (continued)

People use WLAN technology for many different purposes:

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

locationwithintheoperatingrangeoftheWLAN. Managementdecisionsbased

on real-time information can significantly improve worker efficiency.

Low Implementation Costs –WLANs are easy to set up, manage, change

and relocate. Networks that frequently change can benefit from WLANs ease

ofimplementation. WLANs can operate inlocations where installation of wiring

may be impractical.

Installation and Network Expansion - Installing a WLAN system can be

fastandeasyandcan eliminatetheneedtopullcablethroughwallsandceilings.

Wireless technology allows the network to go where wires cannot go - even

outside the home or office.

InexpensiveSolution –Wirelessnetworkdevicesareascompetitively priced

as conventional Ethernet network devices.

Scalability –WLANscan be configured inavariety of waystomeet the needs

of specific applications and installations. 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-AG650S is compatible with the following wireless products:

D-Link AirPro DWL-A650,D-Link AirPlus DWL-650+

and D-Link AirPlus Xtreme G DWL-G650

Wireless Cardbus Adapters used with laptop computers

D-Link AirPro DWL-A520 and D-Link AirPlus DWL-520+,

D-Link AirPlus Xtreme G DWL-G520,

and D-Link Air Premier AG DWL-AG520S

Wireless PCI cards used with desktop computers

D-Link AirPlus DWL-900AP+, D-Link AirPlus Xtreme G DWL-

2000AP and D-Link Air PremierAG DWL-7000APS

Wireless Access Points



D-Link AirPlus DI-614+, D-Link AirPlus Xtreme G DI-624 and

D-Link Air Premier AG DI-774S

Wireless Broadband Routers

Standards-Based Technology

The DWL-AG650S Wireless Cardbus Adapter utilizes the 802.11a, 802.11b

and 802.11g standard.

TheIEEE802.11g standardisanextensionofthe802.11b standard.Itincreases

the data rate up to 54 Mbps within the 2.4GHz band (108Mbps inTurbo mode.)

The 802.11a standard also increases the data rate up to 54 Mbps, but within

the 5GHz band. Both 802.11a and 802.11g utilize OFDM technology.

Thismeans that inmost environments, within the specifiedrange of thisdevice,

you will be able to transfer large files quickly or even watch a movie in MPEG

format over your network without noticeable delays. This technology works by

transmittinghigh-speeddigitaldataoveraradiowaveutilizingOFDM (Orthogonal

FrequencyDivisionMultiplexing) technology.OFDM works by splittingthe radio

signalintomultiple smaller sub-signalsthat are thentransmittedsimultaneously

atdifferentfrequenciestothereceiver. OFDM reducestheamountof crosstalk

(interference) in signal transmissions. The D-Link DWL-AG650S will

automatically sense the best possible connection speed to ensure the greatest

speed and range possible.

Wireless Basics (continued)

802.11g offers the most advanced network security features available today,

including:WPA,802.1x,TKIP, AES and Pre-Shared Key mode.Thesesecurity

featuresareexplainedinmoredetailintheIntroductionandthe Features section

of this manual.

TheDWL-AG650S isbackwards compatiblewith 802.11b devices.Thismeans

that if you have an existing 802.11b network, the devices in that network will be

compatible with 802.11g devices at speeds up to 11Mbps in the 2.4GHz range.

Wireless Basics (continued)

Installation Considerations

The D-Link Air Premier DWL-AG650S lets you access your network, using a

wireless connection, from virtually anywhere within its operating range. Keep

in mind, however, that the number, thickness and location of walls, ceilings, or

other objects that the wireless signals 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:

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

devices or appliances that generate RF noise.

Keep the number of walls and ceilings between the DWL-AG650S and

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

your DWL-AG650S’s range from 3-90 feet (1-30 meters.) Position your

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

Be aware of the direct line between network devices.Awall 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! Position devices so that the signal will travel straight through a

wall or ceiling (instead of at an angle) for better reception.

Building materials can impede the wireless signal - a solid metal door

oraluminum studs may havea negative effectonrange.Try toposition

wireless devices and computers with wireless adapters so that the

signalpasses throughdrywalloropendoorwaysandnotothermaterials.

Getting Started

Infrastructure – using an access point or wireless router

such as the DWL-7000APS.

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-AG650S Wireless

Network CardbusAdapters.

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 a wireless 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):

A wireless router - D-Link Air Premier AG DI-774S

A laptop computer with a wireless adapter -

D-Link Air Premier AG DWL-AG650S

A desktop computer with a wireless adapter -

D-Link Air Premier AG DWL-AG520S,

D-Link AirPlus Xtreme G DWL-G520,

D-Link AirPro DWL-AB520, or D-Link AirPlus DWL-520+

A cable modem - D-Link DCM-201

There are basically two modes of networking:



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