D-Link DWL-G630 - AirPlus G 802.11g Wireless PC... User manual

Manual
Building Networks for People
802.11g/2.4GHz
DWL-G630
D-Link
AirPlus G AirAir
TM
Wireless G Notebook Adapter
Version 2.00

2
Contents
Package Contents ................................................................................ 3
Introduction........................................................................................... 4
Features ............................................................................................... 5
Wireless Basics .................................................................................... 6
Getting Started ................................................................................... 10
Using the Configuration Utility ............................................................ 13
Networking Basics.............................................................................. 24
Troubleshooting.................................................................................. 44
Technical Specifications..................................................................... 51

3
Package Contents
Contents of Package:
D-Link AirPlus™ G DWL-G630
802.11g / 2.4GHz Wireless G Notebook Adapter
Manual, Warranty and Drivers on CD
Printed Quick Installation Guide
If any of the above items are missing, please contact your reseller.
System Requirements for Configuration:

An 802.11g or 802.11b access point (for Infrastructure mode)
or another 802.11g, or 802.11b wireless adapter (for Ad-Hoc;
Peer-to-Peer networking mode).

At least 32MB of memory and a 300MHz processor

Windows 7/VISTA/XP/2000/Me/98SE
A laptop or notebook computer with an available 32-bit
Cardbus slot





4
Introduction
*Not all servers can provide Authentication
The DWL-G630 has the newest, strongest and most advanced security
features available today. When used with other 802.11 WPA/WPA2 (Wi-Fi
Protected Access/Wi-Fi Protected Access 2TM) and 802.1X compatible
products in a network with a RADIUS server, the security features include:
WPA/WPA2: Wi-Fi Protected Access/Wi-Fi Protected Access 2TM
which authorizes and identifies users based on a secret key that
changes automatically at regular intervals. WPA/WPA2 uses TKIP
(Temporal Key Integrity Protocol) to change the temporal key every
10,000packets (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-G630, 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/WPA2, the DWL-G630 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-G630, you will automatically receive a new key
every time you connect, vastly increasing the safety of your communication.
The D-Link AirPlus™ G DWL-G630 Wireless G Notebook Adapter is an
802.11b/802.11g high-performance, wireless adapter that supports high-
speed wireless networking at home, at work or in public places.
Unlike most network cards, the DWL-G630 provides data transfers at up to
54 Mbps (compared to the standard 11 Mbps) when used with other D-Link
AirPlus™ G products. The 802.11g standard is backwards compatible with
802.11b products.

5
Features
LEDs
LED stands for Light-Emitting Diode. The DWL-G630 has the following LEDs:

Compatible with 802.11b and 802.11g Devices -
Fully compatible
with the IEEE 802.11b and 802.11g standards, the DWL-G630 can
connect with existing 802.11b, 802.11g- compliant routers, access
points and cards. That means you can still communicate with col-
leagues and friends while you have the ability to link to even more
wireless networks.

Better Security with 802.1X and WPA/WPA2 -With the DWL-G630
in your laptop PC you can securely connect to a wireless network
using 802.1x for wireless authentication, as well as WPA/WPA2 (Wi-
Fi Protected Access/Wi-Fi Protected Access 2TM) providing you a
much higher level of security for your data and communication than
has previously been available.

A steady light indicates a
connection to an access point
Link
A blinking light indicates data is
being transmitted
Activity
Faster Wireless Networking - Faster data transfers mean increased
productivity. With the DWL-G630 in your PC, you will have the fl ex-
ibility of wireless networking speeds that save you time and money.

32-bit Cardbus Performance/Plug & Play Connectivity -32-bit Cardbus Performance/Plug & Play Connectivity
-
32-bit Cardbus Performance/Plug & Play Connectivity The DWL-G630
is a powerful 32-bit Cardbus adapter that installs quickly and eas-
ily into laptop PCs, and when used with other D-Link AirPlus™ G
Air
Plus™ G
Air
products will automatically connect to the network out of the box.

6
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. 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 offi ce 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 fi xed infrastructure
have proven to be benefi cial 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.

7
Wireless Basics (continued)
People use WLAN 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 signifi cantly improve worker effi ciency.
Low Implementation Costs - WLANs are easy to set up, manage, change
and relocate. Networks that frequently change can benefi t 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 offi ce.
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.
The DWL-G630 is compatible with the following wireless products:
D-Link AirPremier™ AG DWL-AG660,
D-Link AirPlus Xtreme G™ DWL-G650
Wireless Cardbus Adapters used with laptop computers
D-Link AirPremier™ G DWL-7100AP,D-Link AirPlus DWL-2100AP
Wireless Access Points


The DWL-G630 is also interoperable with other 802.11g and 802.11b
standards-compliant devices.
D-Link AirPremier™ AG DI-784, D-Link AirPlus Xtreme G™
DI-624 Wireless Routers



D-Link AirPlus™ G DWL-G510
Wireless PCI cards used with desktop computers

8
Standards-Based Technology
The DWL-G630 Wireless G Notebook Adapter utilizes the 802.11b and
802.11g standards.
The IEEE 802.11g standard is an extension of the 802.11b standard. It
increases the data rate up to 54 Mbps within the 2.4GHz band utilizing 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 D-Link DWL-G630 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/WPA2 , 802.1x, TKIP, AES and Pre-Shared Key mode.
The DWL-G630 is backwards compatible with 802.11b devices. This means
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.

9
Wireless Basics (continued)
Installation Considerations
The D-Link AirPlus™ G DWL-G630 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.
4
Keep the number of walls and ceilings between the DWL-G630 and
other network devices to a minimum - each wall or ceiling can reduce
your DWL-G630 range from 3-90 feet (1-30 meters.) Position your
devices so that the number of walls or ceilings is minimized.
1
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.
2
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
3

10
Getting Started
Infrastructure - using an access point or wireless router
such as the DWL-7100AP, DI-624.
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-G630 Wireless G
Notebook 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 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 AirPlus Xtreme G™ DI-624
A laptop computer with a wireless adapter -
D-Link AirPlus Xtreme G™ DWL-AG660
A desktop computer with a wireless adapter -
D-Link AirPlus™ G DWL-G510
A Cable modem - D-Link DCM-201
There are basically two modes of networking:
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12
Getting Started (continued)
Setting up a Wireless Ad-Hoc Network
Install the DWL-G630 into a laptop computer. (See the Quick
Installation Guide included with the DWL-AG660).
Set the wireless configuration for the adapters to Ad-Hoc mode, set
the adapters to the same channel, and assign an IP address to each
computer on the Ad-Hoc network. (See box below).
When assigning 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
DWL-G630
DWL-G630
Install the D-Link DWL-G630 Wireless G Notebook Adapter into one
laptop computer. (See the Quick Installation Guide included with the
DWL-G630).
Laptop
Laptop
Laptop
Laptop

Configuration Utility (continued)
If you are using Windows 7 and VISTA, you will need to use the Zero Configuration
Utility.
Using Windows®7
If you receive the Wireless Networks
Detected bubble, click on the center
of the bubble to access the utility.
or
Left-click the wireless icon in your system tray
(lower-right corner next to the time).
The utility will display any available wireless
networks in your area. Click on a network
(displayed using the SSID) and click the Connect
button.
If you get a good signal but cannot access the
Internet, check your TCP/IP settings for your
wireless adapter. Refer to the Networking Basics
section in this manual for more information.
14

Configuration Utility (continued)
Using Windows®Vista™
If you receive the Wireless Networks Detected
bubble, click on the center of the bubble to access
the utility.
or
Right-click on the wireless computer icon in your
system tray (lower-right corner next to the time).
Select Connect to a network.
The utility will display any available
wireless networks in your area.
Click on a network (displayed
using the SSID) and click the
Connect button.
If you get a good signal but cannot
access the Internet, check you
TCP/IP settings for your wireless
adapter. Refer to the Networking
Basics section in this manual for
more information.
Enter the same security key or
passphrase that is on your router
and click Connect.
It may take 20-30 seconds to
connect to the wireless network. If
the connection fails, please verify
that the security settings are
correct. The key or passphrase
must be exactly the same as on
the wireless router.
15

16
Link Info
Using the Configuration Utility (continued)
After clicking on the Configuration Utility icon, the
Link Info
screen will dis-
play the settings for the DWL-G630:
SSID:
The Service Set Identifier is
the name assigned to the wire-
less network. The factory SSID
setting is
default
.
Tx Rate:
Tx Rate settings are automatically determined for an optimal speed up to a
maximum of 54Mbps.
Status:
Displays the MAC address of
the access point or router to
which the DWL-G630 is asso-
ciated.
Channel:
The channel selection is automatically determined by the DWL-G630.
Frequency:
802.11g indicates that the
DWL-G630 is communicating
in the 2.4GHz band.
Encryption:
You can see if WEP (Wired Equivalent Privacy) is
Enabled
or
Disabled
here.
Wireless Mode:
Either
Infrastructure
or
Ad-Hoc
will be displayed here. (Please see the
Get-
ting Started
section in this manual for an explanation of these two modes.)
Signal Strength/Link Quality:
Packet Count:
Displays the statistics of the data packets that are transmitted and received.
Rescan Button:
Rescans for the strongest signal in your environment and associates with
that access point or router.
Displays the Link Quality for the DWL-G630 wireless connection to the ac-
cess point. The signal strength represents the wireless signal between the
access point and the DWL-G630. The percentage coincides with the graphi-
Authentication:
If Authentication is in use; it will be indicated here.

17
Wireless Mode:
Authentication:
Keys 1-4:
Select the default key.
Data Encryption:
IP Settings:
Click on the pull-down menu; select from the
following options:
Infrastructure - Connecting to the WLAN
using an access point. (This is the
default setting).
Ad-Hoc - Wireless mode used when connecting directly to a computer
equipped with a wireless adapter in a Peer-to-Peer environment.
Choose one of the following modes:
Click
Apply
to save changes.
When you click
IP Settings
in the Configuration window, the pop-up screen
shown on the next page will appear. Configure the IP settings in that window.
Hexadecimal digits consist of the numbers 0-9 and the letters A-F.
ASCII (American Standard Code for Information Interchange) is a code for
representing English letters as numbers from 0-127.
Using the Configuration Utility (continued)
Configuration
Select Enabled or Disabled.
Open Authentication- The DWL-G630 is visible to all devices on the network.
Shared Authentication- Allows communication only with other devices
with identical WEP settings.
WPA*/WPA2* - Select to enable WPA/WPA2. Click Athentication Config.
WPA-PSK*/WPA2-PSK* - Select to enable WPA-PSK/WPA2-PSK.
Click Authentication Config.
*(See the following pages for more detailed configuration instructions.)
IEEE802.1x:
Enable 802.1x in this field. (802.1x is automatically enabled when WPA/
WPA2 or WPA-PSK/WPA2-PSK is selected.)
SSID:
Service Set Identifier is a name that identifies
a wireless network. Access points and wireless
devices attempting to connect to a specific
WLAN (Wireless Local Area Network) must
use the same SSID. The default setting is
Key Length:
Select the key length and either ASCII or hexadecimal format.

Confi guration > IP Settings
Using the Confi guration Utility (continued)
Obtain an IP Address Automatically:
Choose this option to obtain an IP address automatically through a DHCP
server.
Assign the following IP Address:
Choose this option to assign a static IP address.
Obtain DNS Server Address Automatically:
Choose this option to obtain a DNS server address automatically.
Use the following DNS Server address:
If you make this selection, enter the Preferred DNS server and the Alternate
DNS server in the appropriate fi
elds.

Using the Confi guration Utility (continued)
Confi guration>WPA/WPA2
Advanced Security Settings
Authentication > WPA/WPA2 >802.1X
The Advanced Security Set-
tings screen will appear, as
shown below.
Select the EAP Type you
want to use. Configure
the information needed
for authenticating.
Click OK.The WPA/WPA2
confi guration is complete!
Trusted CA List.
Inner Authentication
Protocol.
For an explanation
of the terms shown
in this window please see
the appendix.
Select WPA /WPA2 in
the Authentication fi eld.
Click
Authentication Confi g
When you select WPA/
WPA2,802.1X is Enabled .

Confi guration > WPA-PSK/WPA2-PSK
Enabled
Select WPA-PSK/WPA2-PSK
in the Authentication fi eld.
Click
Authentication Confi g
When you select WPA-PSK/
WPA2-PSK, 802.1X is Enabled.
Using the Confi guration Utility (continued)
Authentication > WPA-PSK/WPA2-PSK > 802.1X
Enter the WPA/WPA2
pass phrase.
WPA-PSK/
WPA2-PSK
does not a
require a RADIUS
server in the network.
Click OK. The WPA-
PSK/WPA2-PSK conf-
iguration is complete!
Advanced Security Settings
WPA-PSK
WPA-PSK
WPA-PSK