D-Link Air DWL-120 User manual
2.4GHz USB
Wireless Adapter
DWL-120
©2002 D-Link Systems, Inc. All rights reserved. Trademarks or registered trademarks are the property of their respective holders. Software and
specifications subject to change without notice. DWL-120 10032002
If any of the above items are missing, please contact your reseller.
CD-ROM (containing Drivers, Manual and Warranty)
This product works with the following operating
system software: Windows XP, Windows
2000, Windows Me, Windows 98se
Before You Begin
You must have at least the following:
•You will need a computer with an available USB port to connect the
DWL-120 Wireless USB adapter.
•At least a 300 MHz processor and 32 MB of memory
•An 802.11b Access Point (for Infrastructure Mode) or another 802.11b wireless
adapter (for Ad-Hoc; Peer-to-Peer networking mode.)
DWL-120 Wireless USB Adapter
Check Your Package Contents
These are the items included with your DWL-120 purchase:
Mini-USB Cable
The Install Screen will appear.
If the CD Autorun function
does not automatically start
on your computer , type
“D:\Setup.exe.” If it does
start, proceed to the next
screen.
Click Install Driver/PC Utility
The letter “D”
represents the
letter of the CD-ROM
drive. Your CD-ROM
drive may be a different
drive letter.
Turn on the computer and
Insert the D- Link Air DWL-120 Driver
CD in the CD-ROM drive.
The step-by-step instructions that follow are shown
in Windows XP. The steps and screens are similar
for the other Windows operating systems
Insert the D-Link CD-ROM Into Your
Computer Do NOT install
the DWL-120
PCI Adapter into your
computer before
installing the driver
software on the D-Link
CD!
Type “D:\Setup.exe.”
Click OK
Click Next
Click Next
Click Finish
Click No, I will restart
my computer later
Antenna
Used to wirelessly
connect to 802.11b
networks.
Mini-USB Port
Used to connect the
DWL-120 to your
computer.
Shut down your computer
Link/Activity LED
Link - Indicates that the DWL-120 is
properly installed in the computer.
Activity - blinks when data is being
transmitted through the wireless
connection.
Installing the DWL-120 Wireless USB
Adapter to Your Computer
A. Make sure to turn off your computer.
Restart Your Computer
When you restart your computer
this Found New Hardware
Wizard (Windows XP) screen
will appear:
C. Firmly insert the other end of
the USB cable (smaller plug)
into the DWL-120.
Select Install the software
automatically (Recommended)
Click Next
B. Install the DWL-120, firmly
insert one end of the USB
cable (larger plug) into your
computer’s USB Port.
For Windows 2000, this
Digital Signature Not
Found screen may appear
during the installation.
Click Yes to continue
the installation
Click Finish
Windows XP will automatically
load the driver files.
The Windows XP drivers
are Microsoft WHQL
(Windows Hardware
Quality Labs) Certified.
Click Yes to finalize the
installation
For Windows Me and 98, this
screen may appear.
Your Installation is Complete!
After you’ve continued in Windows XP (or after the computer restarts in the
other Windows operating systems), the D-Link Air DWL-120 Configura-
tion Utility will automatically start and the utility icon will appear in the
bottom right hand corner of the desktop screen (systray). If this icon
appears GREEN, then you have successfully installed the DWL-120,
are connected to a wireless network and are ready to communicate!
Appendix
Using the Configuration Utility
A
B
C
D
E
F
G
A. Associated SSID:The
Service Set Identifier is the
name assigned to the
wireless network. The factory
SSID setting is set to default
C. Network Type: The
factory setting is set to
Infrastructure. Ad-Hoc
mode is used for peer-to-
peer networking.
B. Mac Address:
Displays the MAC
Address of the Access
Point that is associated
with the DWL-120.
E. WEP: (Wireless
Encryption Proto-
col) Displays
encryption status.
D. Status: Displays
the current connec-
tion state of the
DWL-120.
F. Link Quality: Displays the
wireless signal strength for the
DWL-120 wireless connection
to the access point.
G. System: Displays the MAC
Address and Firmware version for
the DWL-120.
Double-click the utility icon to use
the configuration utility.
I. SSID: The Service Set Identifier is
the name assigned to the wireless
network. The factory SSID setting
is set to default. Make changes
here to match the SSID on existing
Wireless Router or Access Point.
J. TxRate: You can
adjust the transmis-
sion rate to get the
best signal possible
depending on your
usage and your
environment.
H. Network Type:
The factory setting is
set to Infrastructure.
Ad-Hoc mode is
used for peer-to-peer
networking.
L
M
K
J
I
H
K. Default Settings:
Reverts the DWL-120
back to its factory
default settings.
L. WEP Settings: Will
allow you to configure
the Encryption for your
DWL-120. By default
WEP is disabled.
M. Advanced Settings: To
configure advanced settings for
Power, RTS and Fragmentation
Threshold.
IP Address Configuration
To connect to a network, make sure
the proper network settings are
configured for DWL-120.
For Microsoft Windows XP:
Go to Start > right click on
My Network Places >
select Properties > Double-click on
the Network Connection associated
with the DWL-120.
Input a static IP address in the same
range as the Wireless Router or
Access Point.
Static IP address setup
Click OK
IP address: 192.168.0.51
Subnet mask: 255.255.255.0
Click OK
Click Internet Protocol (TCP/IP)
Click Properties
Select Obtain an IP address
automatically (if the Wireless
Router or Access Point has DHCP
server enabled)
Select Obtain DNS server
address automatically
Dynamic IP address setup
Used when a DHCP server is available on
the local network. (i.e. Router)
Used when a DHCP server is not available
on the local network.
Select Use the following IP address
For Windows 2000 users:
Go to Start > Settings > Network and
Dial-up Connections > Double-click on
the Local Area Connection associated
with the DWL-120 > select Properties
Used when a DHCP server is available on
the local network. (i.e. Router)
Static IP address setup
Input a static IP address in the same
range as the Wireless Router or
Access Point.
Click Properties
Click OK
IP address: 192.168.0.51
Subnet mask: 255.255.255.0
Click OK
Click Internet Protocol (TCP/IP)
Select Obtain an IP address
automatically (if the Wireless Router
or Access Point has DHCP server
enabled)
Select Obtain DNS server
address automatically
Select Use the following IP
address
Dynamic IP address setup
Used when a DHCP server is not available
on the local network.
Click Internet Protocol (TCP/IP)
Go to Start > Settings > Control Panel > Double-
click on the Local Area Connection associated
with the DWL-120 > select Properties
Used when a DHCP server is available on
the local network. (i.e. Router)
For Windows Me and 98se users:
Click Properties
Select Obtain an IP address
automatically (if the Wireless
Router or Access Point has
DHCP server enabled)
Select Detect connection
to network media
Click OK
IP address: 192.168.0.51
Subnet mask: 255.255.255.0
Select Use the following IP
address
Click Internet Protocol (TCP/IP)
Click OK
Input a static IP address in the same
range as the Wireless Router or
Access Point.
Dynamic IP address setup
Static IP address setup
Used when a DHCP server is not available
on the local network.
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