D-Link AirPlus DWL-900AP+ Bedienungsanleitung

D-Link AirPlus DWL-900AP+

2.4 GHz Wireless Access Point

Manual

RevA&B. 100404

Building Networks for People

Contents

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

2. Introduction.................................................. 4

3. Wireless Basics........................................... 7

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

5. Using the Configuration Menu.............. 12

6. Using the AirPlus AP Manager.............. 24

7. Troubleshooting ........................................ 28

8. Networking Basics................................... 33

9. Technical Specifications........................ 67

10. Contacting Technical Support............. 69

11. Warranty.......................... ......................70

1. Package Contents

Contents of Package:

• D-Link AirPlus DWL-900AP+ Enhanced 2.4GHz Wireless Access

Point

• Power Supply – 5V DC, 2.0A

• Manual on CD

• Quick Installation Guide

• Ethernet Cable

Note: Using a power supply with a different voltage rating than the one included with

the DWL-900AP+ will cause damage and void the warranty for this product.

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

System Requirements:

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

system with an installed Ethernet adapter

• Internet Explorer or Netscape Navigator version 4.0 or above, with

JavaScript enabled

2. Introduction

The D-Link AirPlus DWL-900AP+ Wireless Access Point is an enhanced

802.11b high-performance wireless access point. It is an ideal way to

extend the reach and number of computers connected to your wireless

network.

Unlike most 802.11b access points, the DWL-900AP+ is capable of data

transfer speeds of up to 22 Mbps (compared to the standard 11 Mbps) when

used with other D-Link AirPlus products such as the DWL-520+ Wireless

PCI Adapter.

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

in your package) you will have the ability to share information and resources,

such as files and printers, and enjoy the freedom that wireless networking

delivers.

The DWL-900AP+ is compatible with most popular operating systems,

including Macintosh, Linux and Windows, and can be integrated into a large

network. This Manual is designed to help you connect the Access Point and

the D-Link AirPlus 2.4GHz Wireless Adapters into a network in Infrastructure

mode. Please take a look at the Getting Started section in this manual to

see an example of an Infrastructure network using the DWL-900AP+.

This manual provides a quick introduction to wireless technology and its

application as it relates to networking. Please take a moment to read

through this manual and get acquainted with wireless technology.

Connections

MDII RJ-45 Ethernet

Port

• Straight-Through

cable is required

when connecting to a

router or switch

• Cross-Over

cable is required to

connect to a computer

Reset Button

Power

Features & Benefits

• Up to 2X Faster with AirPlus Products - high-speed wireless data

transfer rates up to 22Mbps.*With twice the data rate and capacity,

the DWL-900AP+ delivers media rich content such as digital images,

videos, and MP3 files much faster than standard 802.11b networks

• Fully 802.11b Compatible – Fully compatible with the IEEE 802.11b

standard and interoperable with all existing 802.11b compliant

devices

• Improved Performance – Up to 20% faster data transfer rates on

standard 802.11b networks

• Stronger Network Security with 256-bit WEP Encryption – Supports

64/128/256-bit WEP encryption for higher level of security for your

data and wireless communication than encryption found in existing

802.11b products

• Built-in DHCP Server – If enabled, it will automatically assign IP

addresses to wireless clients on the local network.

• Web-based interface for Managing and Configuring – Easy-to-use

interface independent of the operating system

• 5 Different Operation Modes – Capable of operating in one of four

different operation modes to meet your wireless networking

requirements: Access Point, AP-to-AP Bridging, AP-to-Multipoint

Bridging, Wireless Client, and Wireless Repeater.

LEDS

LED stands for Light-Emitting Diode. The DWL-900AP+ Wireless Access

Point has 3 LEDs as shown below:

Power

LAN

WLAN

Power: solid green light indicates connection

LAN: blinking green light indicates activity; solid green light

indicates connection

WLAN: blinking green light indicates wireless activity; solid

green light indicates connection

3. Wireless Basics

D-Link AirPlus 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 AirPlus 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

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 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 Access

Point (AP) is a device used to provide this link.

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.

Wireless Basics

Network Expansion - Wireless technology allows the network to go where

wires cannot go.

Reduced Cost-of-Ownership - While the initial investment required for

wireless LAN hardware might be higher than the cost of wired LAN hardware,

overall installation expenses and life-cycle costs will be significantly lower.

Long-term cost benefits are greatest in dynamic environments requiring

frequent moves, adds, and changes.

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

variety of topologies to meet 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 full infrastructure networks

of thousands of users that allow roaming over a broad area.

D-Link AirPlus Wireless Family of LAN products include:

♦ Enhanced 2.4GHz Wireless Cardbus Adapters used with laptop

computers (DWL-650+)

♦ Enhanced 2.4GHz Wireless PCI cards used with desktop computers

(DWL-520+)

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

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

The DWL-900AP+ will also work with D-Link Air 802.11b wireless adapters,

which include:

♦ 2.4GHz Wireless Cardbus Adapters used with laptop computers

(DWL-650)

♦ 2.4GHz Wireless PCI cards used with desktop computers (DWL-520)

Standards - Based Technology

The IEEE standard-based technology assures that the D-Link AirPlus

Products are interoperable with existing compatible 2.4GHz wireless

technology. This means you will be able to transfer large files quickly or

even watch a movie in MPEG format over your network without noticeable

delays. The technology works by using multiple frequencies in the 2.4GHz

range at speeds up to 22 Mbps. D-Link AirPlus products will automatically

sense the best possible connection speed to ensure optimal network

performance.

Installation Considerations

Designed to go up to 1,312 feet (400 meters) outdoors and up to 328 feet

(100 meters) indoors, D-Link’s AirPlus DWL-900AP+ 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 wireless Access

Point and your receiving device (e.g., the DWL-650+) to a minimum -

Each wall or ceiling can reduce your D-Link AirPlus Wireless product’s

range from 3-90 feet (1-30 meters.) Position your Access Points,

Residential Gateways, and computers so that the number of walls or

ceilings is minimized.

2. Be aware of the direct line between Access Points, Residential

Gateways (routers) and computers. 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 the Access Points and adapters 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 Access Points,

and computers with wireless adapters so that the signal passes through

drywall or open doorways and not other materials.

4. Make sure that the device’s antenna is positioned for best reception by

using the software signal strength tools included with your product.

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

devices or appliances that may generate extreme RF noise.

For the average home, signal range should not be an issue. If you

experience low or no signal strength in areas of your home that you wish to

access, consider positioning the Access Point in a location directly between

the computers with wireless adapters. Additional Access Points can be

connected to provide better coverage in rooms where the signal does not

appear as strong as desired.

4. Getting Started

For the price of a single IP Address from your Broadband Internet Service

provider you can share the Internet with all the computers on your local

network, without sacrificing speed or security, using D-Link AirPlus

networking products.

IP ADDRESS

An Infrastructure network contains an Access Point. The Infrastructure

Network example shown on the next page contains the following D-Link

network devices:

A wireless Access Point - D-Link AirPlus DWL-900AP+

An Ethernet Broadband Router - D-Link DI-604

A laptop computer with a wireless adapter - D-Link AirPlus DWL-650+

A desktop computer with a wireless adapter - D-Link AirPlus DWL-520+

A Cable modem - D-Link DCM-200

DHCP stands for Dynamic Host Configuration Protocol.

It is a protocol for assigning dynamic IP addresses “automatically.”

With a DHCP-capable gateway/router, there is

no need to manually assign an IP address.

Please note: If you have a DHCP-capable router, such as the D-

Link DI-604 or DI-614+, there is no need to assign an IP Address.

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 o

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.

Right out of the box, with its default settings, the DWL-900AP+ will

automatically connect with other D-Link Air or AirPlus products.

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