D-Link DWL_7100 Manuale utente

DWL-7100AP

802.11a/802.11g (2.4/5GHz)

Manual

Building Networks for People

D-Link

AirPremier AG

Wireless Access Point

Contents

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

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

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

InstallationConsiderations ....................................................................8

GettingStarted......................................................................................9

UsingtheConfigurationMenu..............................................................11

NetworkingBasics ..............................................................................27

Troubleshooting...................................................................................42

TechnicalSpecifications ......................................................................48

ContactingTechnical Support ..............................................................51

WarrantyandRegistration ...................................................................52

Contents of Package:

D-Link AirPremierTM AG DWL-7100AP

802.11a/802.11g (2.4GHz/5GHz) Wireless Access Point

PowerAdapter – 5V DC, 2.0A

Manualon CD

QuickInstallation Guide

Ethernet Cable

Note:Using apower supplywith adifferent voltagethan theone includedwith the

DWL-7100APwill cause damage and voidthe warranty forthis product.

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

System Requirements For Configuration:

Package Contents

At least 128MB of memory and a 500MHz processor



Computer with Windows, Macintosh, or Linux-based operating

system with an installed Ethernet adapter

Internet Explorer or Netscape Navigator version 6.0 or above,

with JavaScript enabled



Introduction

The DWL-7100AP has the newest, strongest and most advanced security features

availabletoday.When used with other 802.11WPA(Wi-FiProtectedAccess)compatible

products in a network with a RADIUS server, the security features include:

WPA: Wi-Fi ProtectedAccesswhichauthorizesandidentifiesusersbasedonasecret

keythatchangesautomatically at regular intervals.WPAusesTKIP(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.)

For home usersthat will notincorporate a RADIUSserver in theirnetwork, the security

forthe DWL-7100AP, usedin 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-7100AP 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

configurationmenu.Nolonger will you have to manuallyinputanewWEPkeyfrequently

to ensure security. With the DWL-7100AP, you will automatically receive a new key

every time you connect, vastly increasing the safety of your communication.

At up to fifteen times the speed of previous wireless devices (up to 108Mbps in Super

AG mode), you can work faster and more efficiently, increasing productivity. With the

DWL-7100AP, bandwidth-intensiveapplications likegraphics ormultimedia will benefit

significantly because large files are able to move across the network quickly.

Inclusionofallthreestandards(802.11g;802.11a;802.11b) meansthattheDWL-7100AP

is versatile enough to allow connection to almost any 802.11 network or device.

Better security with WPA- The DWL-7100AP can securely connect to wire-

less clients on the network using WPA (Wi-Fi Protected Access) providing a

muchhigherlevel of securityforyour data and communicationsthanhas previ-

ouslybeenavailable.



Compatible with the 802.11b standard toprovide a wirelessdatarateofup to

11Mbpswith802.11bdevices.



Features

FasterWireless Networking withspeeds up to108Mbpsin Super AGmode

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

withthe IEEE802.11a, 802.11b and 802.11g standards, the DWL-7100APcan

connectwith existing 802.11b-,802.11g-or802.11a- compliantwirelessnetwork

adaptercards.

LEDs

LED stands for Light-EmittingDiode. The DWL-7100AP Wireless Access Point has

5 Green LEDs as shown below:

Power

LAN (10/100)

WLAN

(802.11a and

802.11b or

802.11g)

A steady light indicates a connection to a power

source

Asteady light indicates a connection to the Ethernet

port;ablinking light indicatesactivity

LED LED Activity

A blinking light indicates activity in the respective

wireless mode: 802.11a and/or 802.11b/802.11g

Wireless Basics

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

easy-to-useand compatiblehigh-speedwirelessconnectivitywithinyour home,business

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

AirPremierTM AG 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

wirelessnetworkingdelivers.

Awireless local areanetwork (WLAN) is a cellularcomputer network thattransmits and

receives data with radio signals instead of wires. Wireless LANs are used increasingly

in both home and office environments, and public areas such as airports, coffee shops

anduniversities.Innovativeways to utilize WLANtechnologyarehelpingpeople to work

and communicate more efficiently. Increased mobility and the absence of cabling and

otherfixed infrastructure haveproven to bebeneficial for manyusers.

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

Ethernetadapter cards.

Peopleuse wireless LAN technology for many differentpurposes:

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

within the operating range of the WLAN. Management decisions based on real-time

informationcan significantly improveworker efficiency.

Low Implementation Costs -WLANs areeasytosetup,manage,changeandrelocate.

NetworksthatfrequentlychangecanbenefitfromWLANseaseofimplementation.WLANs

can operate in locations where installation of wiring may be impractical.

Installation and Network Expansion - Installing a WLAN system can be fast and

easy and can eliminate the need to pull cable through walls and ceilings. Wireless

technology allows the network to go where wires cannot go - even outside the home or

office.

Inexpensive Solution - Wireless network devices are as competitively priced as

conventionalEthernetnetworkdevices.

Scalability - WLANs can be configured in a variety of ways to meet the needs of

specific applications and installations. Configurations are easily changed and range

fromPeer-to-Peer networks suitablefor a small number ofusers to largerinfrastructure

networkstoaccommodatehundredsorthousandsofusers,dependingonthenumberof

wirelessdevicesdeployed.

Wireless Basics (continued)

Standards-Based Technology

The DWL-7100APWirelessAccessPointutilizesthe802.11a, 802.11b anddraft802.11g

standard.

The IEEE 802.11g standard is an extension of the 802.11b standard. It increases the

data rate up to 54Mbps within the 2.4GHz band.The 802.11a standard also increases

thedatarate upto 54Mbps,but within the5GHz band. Both802.11a and802.11gutilize

OFDM technology.

Thismeans that inmost environments, withinthe specified range ofthis device, youwill

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 transmitting high-speed

digitaldataoveraradiowaveutilizingOFDM (OrthogonalFrequencyDivisionMultiplexing)

technology. OFDM works by splitting the radio signal into multiple smaller sub-signals

thatare thentransmitted simultaneously at differentfrequencies tothe receiver.OFDM

reducesthe amount ofcrosstalk (interference)in signaltransmissions.

TheDWL-7100APoffersthe most advancednetwork securityfeatures availabletoday,

including WPA.

In addition to its compatibility with 802.11g and 802.11a devices, the DWL-7100AP is

compatiblewith802.11bdevices.Thismeansthatifyouhaveanexisting802.11bnetwork,

oranetworkwitha mixture of 802.11g,802.11a and 802.11b,thedevicesinthat network

willbe compatiblewith theDWL-7100AP.

Wireless Basics (continued)

Installation Considerations

Desktopand laptop computerswith wirelessnetwork adapters installedcan access the

D-LinkAirPremierTM AGDWL-7100APfromvirtuallyanywherewithinitsoperatingrange.

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

rangesvary dependingon thetypes ofmaterials andbackground RF (radio frequency)

noisein your homeor business. Thekey to maximizingwireless range isto follow these

basicguidelines:

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! Position devices so that the signal will travel straight through a

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

Buildingmaterials can impede thewireless signal -a solid metaldooror

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

wirelessdevicesandcomputers with wireless adapters sothatthesignal

passesthrough drywallor opendoorways andnot othermaterials.

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

electrical devices or appliances that may generate extreme RF noise.

Keep the number of walls and ceilings between the DWL-7100AP and

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

yourD-Linkwirelessproduct’srangefrom3-90feet(1-30meters.)Position

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

Getting Started

An Infrastructure wireless network contains an access point or router. The

Infrastructure Network example,shown onthe following page, contains thefollowing

D-Linknetworkdevices:

Awireless Access Point - D-Link AirPremierTM AG DWL-7100AP

AnEthernet Router - D-Link DI-604

A laptop computer with a wireless adapter - D-Link AirPremierTM AG DWL-AG650

A desktop computer with a wireless adapter - D-Link AirPremierTMAG DWL-AG520

ACablemodem - D-Link DCM-201

If you need to assign IP addresses to the computers on the network, please

remember that the IP address for each computer must be in the same IP

address range as all the computers in the network, and the subnet mask

must be exactly the same for all the computers in the network.

For example: If the first computer is assigned an IP address of 192.168.0.2 with a

subnet mask of 255.255.255.0, then the second computer can be assigned an IP

address of 192.168.0.3 with a subnet mask of 255.255.255.0, etc.

IMPORTANT: If computers or other devices are assigned the same IP

address, one or more of the devices may not be visible on the network.

IP ADDRESS

Note:If you are using a DHCP-capable router in your network you will notneed

to assign a static IP address.

Right out of the box, with its default settings, the DWL-7100AP will automati-

cally connect with other D-Link AirPremierTM AG products.

Youwill need a broadbandInternetaccess (Cable/DSL) subscription

ConsultwithyourCable/DSLproviderforproper installation of the modem

Connectthe modem toan Ethernet broadbandrouter such asthe

DI-604.(Seethe Quick InstallationGuide included withthe DI-604.)

Connect the router to the D-Link AirPremierTM AG DWL-7100AP. (See the Quick

InstallationGuideincluded with the DWL-7100AP.)

If you are connecting a desktop computer in your network, you can install the

D-LinkAirPremierTM AG DWL-AG520wirelessPCI adapter intoanavailable PCI slot.

(Seethe Quick Installation Guide included with theDWL-AG520.)

Installthe drivers forthe D-Link AirPremierTM AGDWL-AG650into the laptop

computer. (See theQuick InstallationGuideincluded with theDWL-AG650.)

Fora typical wirelesssetup(as shown above,)please do thefollowing:

An Infrastructure wireless network contains an access point or router. The

Infrastructure Network example,shown here,contains the following D-Link network

devices:

Getting Started (continued)

Ethernet RouterEthernet Router

Ethernet Router

DWL-7100AP

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