D-Link DWL-7100AP Manuale utente

DWL-7100AP

802.11a/802.11g (2.4/5GHz)

Manual

Building Networks for People

D-Link

AirPremier™ AG

Wireless Access Point

Contents

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

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

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

Installation Considerations ................................................................... 8

Getting Started ..................................................................................... 9

Using the Conﬁguration Menu ............................................................ 11

Using the AP Manager ....................................................................... 31

Networking Basics .............................................................................. 51

Troubleshooting .................................................................................. 64

Technical Speciﬁcations ..................................................................... 70

Contacting Technical Support ............................................................. 72

Warranty ............................................................................................ 73

Registration ........................................................................................ 76

Contents of Package:

D-Link AirPremierTM AG DWL-7100AP

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

Power Adapter – 5V DC, 2.0A

Manual on CD

Quick Installation Guide

Ethernet Cable

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

DWL-7100AP will cause damage and void the warranty for this 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

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

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

for the DWL-7100AP, 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-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 conﬁguration

menu. No longer will you have to manually input a new WEP key frequently 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-intensive applications like graphics or multimedia will beneﬁt

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

Inclusion of all three standards (802.11g; 802.11a; 802.11b) means that the DWL-7100AP

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

*“Maximum wireless signal rate derived from IEEE Standard 802.11a and 80211g speciﬁcations. Actual data

throughput will vary. Network conditions and environmental factors, including volume of network trafﬁc, building

materials and construction, and network overhead lower actual data throughput rate.”

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

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

higher level of security for your data and communications than has previously

been available.



Features

Faster Wireless Networking with speeds up to 108Mbps* in Super AG mode

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

IEEE 802.11a, 802.11b and 802.11g standards, the DWL-7100AP can connect

with existing 802.11b-, 802.11g- or 802.11a- compliant wireless network adapter

cards.

LEDs

LED stands for Light-Emitting Diode. 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

A steady light indicates a connection to the Ethernet

port; a blinking light indicates activity

LED LED Activity

A blinking light indicates activity in the respective

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

*“Maximum wireless signal rate derived from IEEE Standard 802.11a and 80211g speciﬁcations. Actual data

throughput will vary. Network conditions and environmental factors, including volume of network trafﬁc, building

materials and construction, and network overhead lower actual data throughput rate.”

Wireless Basics

D-Link AirPremierTM AG 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

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 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.

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 are easy to set up, manage, change and relocate.

Networks that frequently change can beneﬁt from WLANs ease of implementation.

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

conventional Ethernet network devices.

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 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.

Wireless Basics (continued)

Standards-Based Technology

The DWL-7100AP Wireless Access Point utilizes the 802.11a, 802.11b and draft 802.11g

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

the data rate up to 54Mbps, but within the 5GHz band. Both 802.11a and 802.11g utilize

OFDM technology.

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.

The DWL-7100AP offers the most advanced network security features available today,

including WPA.

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

backward compatible with 802.11b devices. This means that if you have an existing

802.11b network, or a network with a mixture of 802.11g, 802.11a and 802.11b, the

devices in that network will be compatible with the DWL-7100AP.

*“Maximum wireless signal rate derived from IEEE Standard 802.11a and 80211g speciﬁcations. Actual data

throughput will vary. Network conditions and environmental factors, including volume of network trafﬁc, building

materials and construction, and network overhead lower actual data throughput rate.”

Wireless Basics (continued)

Installation Considerations

Desktop and laptop computers with wireless network adapters installed can access the

D-Link AirPremierTM AG DWL-7100AP 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:

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.

Building materials can impede the wireless signal - 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.

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 your

D-Link wireless product’s range from 3-90 feet (1-30 meters.) Position

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

Getting Started

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

Infrastructure Network example, shown on the following page, contains the following

D-Link network devices:

A wireless Access Point - D-Link AirPremierTM AG DWL-7100AP

An Ethernet Router - D-Link DI-604

A laptop computer with a wireless adapter - D-Link AirPremierTM AG DWL-AG660

A desktop computer with a wireless adapter - D-Link AirPremierTMAG DWL-AG530

A Cable modem - 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 not

need to assign a static IP address.

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

with other D-Link AirPremierTM AG products.

You will need a broadband Internet access (Cable/DSL) subscription

Consult with your Cable/DSL provider for proper installation of the modem

Connect the modem to an Ethernet broadband router such as the

DI-604. (See the Quick Installation Guide included with the DI-604.)

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

Installation Guide included with the DWL-7100AP.)

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

D-Link AirPremierTM AG DWL-AG530 wireless PCI adapter into an available PCI slot.

(See the Quick Installation Guide included with the DWL-AG530.)

Install the drivers for the D-Link AirPremierTM AG DWL-AG660 into the laptop

computer. (See the Quick Installation Guide included with the DWL-AG660.)

For a typical wireless setup (as shown above,) please do the following:

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 Router

DWL-7100AP

DWL-AG660

DWL-AG530

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