D-Link AirPro DWL-AB520 Bedienungsanleitung

AirPro DWL-AB520

D-LINK

2.4GHz / 5GHz Multimode

Manual

Building Networks for People

Wireless PCI Adapter

Contents

Package Contents ................................................................................3

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

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

Getting Started ...................................................................................10

Using the Configuration Utility ............................................................13

Networking Basics ..............................................................................18

Troubleshooting..................................................................................31

Technical Specifications .....................................................................34

Contacting Technical Support.............................................................36

Warranty and Registration ..................................................................37

Contents of Package:

D-Link AirPro DWL-AB520

2.4 GHz / 5GHz Multimode Wireless PCI Adapter

Manual and Warranty on CD

Quick Installation Guide

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 802.11a/802.11b Multimode Access Point (e.g., DWL-

6000AP or DI-764), or an 802.11a Access Point (e.g., DWL-

5000AP for Infrastructure Mode), or an 802.11b Access

Point (e.g., DWL-900AP+), or an 802.11a wireless adapter

(e.g., DWL-A650 for laptops or DWL-A520 for Ad-Hoc

mode), or an 802.11b wireless adapter (e.g., DWL-650+.)



Introduction

*When used with other D-Link AirPro products.

D-Link introduces the integrated multimode 802.11a/802.11b wireless PCI

Adapter, as part of the high performance D-Link AirPro series of wireless

networking products.

Featuring a breakthrough all-in-one multimode design, the new D-Link AirPro

DWL-AB520 Multimode Wireless PCI Adapter is a next generation PCI Adapter

that simultaneously serves both 802.11a wireless networks at 54 Mbps (72

Mbps in proprietary Turbo mode*) and 802.11b wireless networks at 11Mbps.

The D-Link AirPro DWL-AB520 delivers the fastest IEEE standards-based

wireless technology in the industry and is interoperable with other 802.11a and

802.11b wireless devices.

After completing the steps outlined in the Quick Installation Guide (included in

your package) not only will you have the ability to share information and

resources, but you will also be able to enjoy the freedom that wireless networking

delivers, at speeds capable of handling large data files or video streams.

Fully compatible with the 802.11a standard to provide an optimal wireless

54Mbps data rate (provides a 72Mbps data rate in proprietary Turbo Mode).

Features



Fully compatible with the 802.11b standard to provide an optimal wireless

data rate of 11Mbps.

Dynamic data rate scaling at 6, 9, 12, 18, 24, 36, 48, 54 for 802.11a

Dynamic data rate scaling at 1, 2, 5.5, and 11Mbps for 802.11b

Maximum reliability, throughput and connectivity with automatic data rate

switching

Supports wireless data encryption with 64-bit WEP, 128-bit WEP and 152-bit

WEP with Dynamic Keying for more secure networking.



Provides an extended omni-directional antenna with 2 ~ 4dBi



Supports PCI Local Bus 2.2 standard

User-friendly configuration and diagnostic utilities

LEDS

LED stands for Light-Emitting Diode. The DWL-AB520 has the following

LEDs as shown below:

LED LED Activity

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

to-use and compatible high-speed wireless connectivity within your home,

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 such as airports, coffee shops and universities. Innovative ways

Wireless Basics

A steady light indicates a connection to a power source

A blinking light indicates network activity

Power

Activity

more efficiently. 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 link to a conventional Ethernet LAN in order to use servers, printers or an

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

device used to provide this link.

to utilize WLAN technology are helping people to work and communicate

Wireless Basics (continued)

People use wireless LAN technology for many different purposes:

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 information can significantly improve worker efficiency.

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

easy to set up, manage, change and relocate. Networks that frequently change,

both physically and logically, can benefit from WLANs ease of implementation.

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

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-AB520 is compatible with other D-Link AirPro 802.11a products,

which include:

♦5GHz Wireless Cardbus Adapters used with laptop computers

(DWL-A650)

♦5GHz Multimode Wireless Broadband Routers computers (DI-764,

and DI-754)

♦5GHz Wireless Access Points (DWL-5000AP, DWL-6000AP)

The DWL-AB520 is also compatible with D-Link Air and AirPlus 802.11b

wireless products, which include:

♦2.4GHz Wireless Cardbus Adapters used with laptop computers

(DWL-650, DWL-650+)

♦2.4GHz Wireless PCI cards used with desktop computers

(DWL-520, DWL-520+)

♦Enhanced 2.4GHz Wireless Access Point (DWL-900AP+)

♦Enhanced 2.4GHz Wireless Broadband Router (DI-614+)

Standards-Based Technology

The versatile DWL-AB520 Wireless Multimode PCI Adapter integrates both

802.11a and 802.11b standards into a single unit.

The IEEE 802.11a standard designates that devices may operate at an optimal

data rate of 54 Mbps (72 Mbps in proprietary Turbo mode.) This means that in

most environments, within the specified range of this device, 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 transmitting high-

speed digital data over a radio wave utilizing OFDM (Orthogonal Frequency

Division Multiplexing) technology. OFDM works by splitting the radio signal

into multiple smaller sub-signals that are then transmitted simultaneously at

different frequencies to the receiver. OFDM reduces the amount of crosstalk

(interference) in signal transmissions. D-Link AirPro 802.11a products will

automatically sense the best possible connection speed to ensure the greatest

speed and range possible.

Based on the IEEE 802.11b standard, the DWL-AB520 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 AirPro DWL-AB520 lets you access your network, using a wireless

connection, from virtually anywhere. 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:

1. Keep the number of walls and ceilings between the DWL-AB520 and

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

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

Position your receiving 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.

There are basically two modes of networking:

Infrastructure – using an Access Point, such as the DWL-900AP+,

DWL-5000AP or DWL-6000AP.

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-AB520 wireless network PCI 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-AB520 will connect with

other D-Link AirPro products, right out of the box.

A wireless Router - D-Link AirPro DI-764

A laptop computer with a wireless adapter -

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

A desktop computer with a wireless adapter -

D-Link AirPro DWL-AB520

A Cable modem - D-Link DCM-200

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