US Robotics USR2450 User manual

Wireless Access Point
Windows 95, 98, 2000, Me, NT, and XP
Companion Reference uide
R24.0258.00

1
Step 1. Connect the Wireless Access Point
• Use the Ethernet port and an RJ-45 cable to connect the Wireless
Access Point to one of the follo ing devices: a cable or DSL modem
ith routing capabilities, a hub, a bridge, an existing Ethernet LAN,
or a router.
• Attach the antenna to the Wireless Access Point.
• Attach the po er supply to the Wireless Access Point.
Step Two: Install your software
Note: You only need to install this software on the PC or laptop that was
originally connected to your modem, bridge, router, or hub.
Insert your U.S. Robotics Installation CD-ROM into your CD-ROM drive.
In the Choose Setup Language indo , select your preferred language
and click OK.
Note: If your CD-RO does not automatically launch, click Windows Start,
Run, and type D:\setup (or the appropriate letter of your CD-RO drive)
and click OK.
Some files ill be copied to your system, and then you ill be asked to
read the license agreement. Read the agreement and click Yes.

32
Follo the on-screen instructions and ait for some files to be copied to
your hard drive. A indo ill appear sho ing you the files that have
loaded onto your system. Close this indo . The program indo ith
the Configuration Utility icons ill appear. Close this indo .
Note: Each Wireless Access PC Card or PCI Adapter in the wireless network
must have the Infrastructure mode selected within the Configuration Utility.
If you are using a U.S Robotics Wireless Access PC Card or PCI Adapter, the
Configuration Utility will look like the graphic below.
Note: The Wireless
Configuration Utility for
the Wireless Access Point
is not currently supported
for Windows NT.
The Installation CD Graphic User Interface (GUI) ill appear on your
screen. Click Software.
Click the icon for the U.S. Robotics Wireless Configuration Utility.
Click Wireless Access Point.

54
Wireless Activity LED ill blink. If you press the Reset button a second
time, all setting information except for the pass ord and the encryption
data ill be cleared. If this is done, the Wireless Link Indicator ill blink.
Step 4. Configuration of the Wireless Access Point
After the Wireless Access Point is installed, click Windo s Start, Programs,
and WLAN Access Point Utility to launch the Access Point Configuration
Utility. Click AP in the toolbar and then click Scan.
This ill search for the Wireless Access Point in the net ork. If a Wireless
Access Point is detected, the WLAN Access Point Utility ill display the
Wireless Access Point information. By default, all Wireless Access Points
are named WLAN01. After you successfully connect to the WLAN Access
Point Utility, you can change the name of the Wireless access Point.
If you are using multiple Wireless Access Points, you must kno the MAC
address of the Wireless Access Point you are currently configuring. The
MAC address is located on the bottom of the Wireless Access Point case
and in the Utility tool in the State field. Locate the correct Wireless Access
Point in the list that appears. If the listed Wireless Access Point does not
match the MAC address on the bottom of the correct Wireless Access
Point, refer to the Troubleshooting section in this guide or in the User
Guide on the Installation CD-ROM for more information.
Double-click the correct Wireless Access Point in the list.
If the Wireless Access Point in the list has an IP address, the Access Point
Web Configurator ill launch in your default Web bro ser.
Congratulations! You have finished installing your hard are and the
necessary soft are. You should no be able to connect your Wireless
Access PC Cards and PCI Adapters to the Wireless Access Point.
If the Wireless Access Point in the list does not have an IP address,
proceed to the Assigning an IP address to the Wireless Access Point
section in this guide.
Step 3. Verify the detection of the Wireless Access Point
The WLAN Access Point Utility should automatically detect the ne
Wireless Access Point. If the WLAN Access Point Utility does not autom-
atically detect the Wireless Access Point, refer to the Troubleshooting
section of this guide. The WLAN Access Point Utility program icon in the
system tray ill change from red to green hen a Wireless Access Point
is detected.
The Wireless Access Point has five LED status indicators. The function
of each indicator is described in the follo ing table and graphic:
Po er
Wired Link
Indicator Wireless Link
Indicator
Wireless
Activity
If you need to reset the Wireless Access Point at any time, perform the
follo ing steps. Press in and hold the Reset button. While holding in the
Reset button, unplug the po er adapter from the Wireless Access Point
and then plug it back in. Release the Reset button and then press it once.
This ill restore the factory default settings. When this is performed, the
LED Status Description
Power ON/Red Indicates that po er is being supplied
Wired Link Indicator ON/Green Indicates that the Wireless Access Point Ethernet
Cable is connected to your LAN.
Wired Activity Blinking/Yello Indicates that the Wireless Access Point is transmit
ting or receiving data on the 10 Mbps Ethernet LAN.
Wireless Link Indicator Blinking/Green Indicates that the PC Card or PCI Adapter is
connecting to the Wireless Access Point.
Wireless Activity Blinking/Yello Indicates that the Wireless Access Point is transmit
ting data to or receiving data from a Wireess Access
PC card or PCI Adapter.
Wired
Activity

7
Access Point Web Configurator
To access the Access Point Web Configurator, double-click the name
of the correct Wireless Access Point in the list. The utility automatically
links to the Login Page of the Access Point Web Configurator using your
Windo s default bro ser. The default pass ord is WLAN_AP. Enter
the pass ord and click Login.
Depending on your firm are version, you may be prompted to enter
a user name. If you are prompted for a user name, type Default. The
Pass ord and User Name fields are case-sensitive.
6
Assigning an IP address to the Wireless
Access Point.
If you see the follo ing indo hen you double-click the Wireless
Access Point in the Access Point Configuration Utility, your Wireless
Access Point did not acquire a valid IP address for your net ork and
you ill need to manually assign an IP address.
Perform the follo ing steps to assign an IP address:
• After you see the indo stating a free IP address could not be
determined, click OK. The follo ing indo ill appear.
This ill allo you to manually input an IP address for your Wireless
Access Point. If you can communicate ith the Wireless Access Point
through an Ethernet connection, the Wireless Access Point ill receive
the net ork information from the computer it is connected to.
• In the Assign Temporary IP Address indo , verify that the Wireless
Access Point has been identified ith the correct net ork and enter
a valid IP address. An address ith at least one zero at the end
represents the Net ork Address. Change the zero at the end to any
number bet een 1 and 253 to assign a valid IP address. An example
of hat you might see is 192.168.0.0. Change this to 192.168.0.x
( here x is bet een 1 and 253).
• After you have entered an IP address, click OK and you ill receive
a message saying that the IP address is temporary. Click OK to finish
the installation procedure.

98
Click Encryption to change the encryption security settings.
Within the Encryption option, you can modify the WEP and the Key Entry.
There are three levels of encryption available: Disabled, WEP_64, and
WEP_128. If you select WEP_64 or WEP_128, and Passphrase for a Key
Entry, you must then enter a passphrase. This ill generate the hex value
to encrypt your data. Each computer that ill be connecting to the ireless
net ork must have this exact information entered. If you select Manual
Entry for Key Entry, you must then manually assign the hex keys for
either 64-Bit Encryption or for 128-Bit Encryption. This method is only
recommended for advanced users or for net ork compatibility.
When you are finished making any changes, click Apply Changes to save
your settings.
There are four configuration screens ithin the Access Point Web
Configurator: AP Information MIB, AP Control MIB, TCP/IP Settings, and
Change Password. The Home option ithin each configuration screen ill
return you to the main selection menu.
The AAPP IInnffoorrmmaattiioonn MMIIBBoption supplies you ith the basic setting
information for your Wireless Access Point.
The AP Control MIB option allo s you to modify the DS Channel, the SSID,
and the RTS Threshold. Once any changes are made in this option, you ill
not be able to communicate ith the Wireless Access Point until you make
the same changes to all of the Wireless Access PC Cards or PCI Adapters in
the ireless net ork. You can also restore the default settings by clicking
Factory Default.

1110
Troubleshooting
My computer does not recognize the Wireless Access Point after I
changed the settings.
Possible Solution:
Ensure that the WLAN Configuration utility is installed for your Wireless
Access Point and that the Configuration utility is installed and functioning
for your Wireless Access PC Cards or PCI Adapters.
Possible Solution:
Ensure that you are contacting the correct Wireless Access Point and
using the correct MAC address.
Possible Solution:
Ensure that the correct pass ord and encryption option are being used.
If you changed the settings in the configuration of the Wireless Access
Point, you must also change the settings of every Wireless Access PC
Card or PCI Adapter attached to this net ork. The settings of the
Wireless Access PC Cards or PCI Adapters must match the ne settings
of the Wireless Access Point.
I am unable to communicate with the Wireless Access Point.
Possible Solution:
Be sure that each Wireless PC Card or PCI Adapter that you ant to
connect to the ireless net ork is set to Infrastructure mode ithin the
Configuration Utility. If your Wireless Access PC Cards or PCI Adapters are
not set to Infrastructure mode, they ill not be able to communicate ith
the Wireless Access Point.
Possible Solution:
Your Wireless Access Point may not be responding. Try resetting the
Wireless Access Point to reactivate it. Press in and hold the Reset button.
While holding in the Reset button, unplug the po er adapter from the
Wireless Access point and then plug it back in. Release the Reset button
and then press it once. This ill restore the factory default settings. When
this is performed, the Wireless Activity LED ill blink. If you press the
Reset button a second time, all setting information except for the pass-
ord and the encryption data ill be cleared. If this is done, the Wireless
Link Indicator ill blink.
Possible Solution:
Your Wireless Access Point may not have received a valid IP address for
your net ork. If you see a indo stating that a free IP address could
not be determined hen you double-click the Wireless Access Point in
the Access Point Configuration Utility, you need to manually assign an IP
address. Refer to the Assigning an IP address to the Wireless Access Point
section in this guide.
I am unable to enter the Wireless Access Point Web Configurator.
Possible Solution:
Be certain that you are entering the correct user name (if there is one) and
pass ord. The pass ord field is case-sensitive. The default pass ord is
WWLLAANN__AAPPand there is no default user name.
The TCP/IP Settings option ill
supply your current settings, as
ell as give you the option to
change any of these settings.
When you are finished making
any changes, click Apply
Changes to save your settings.
There is also the Change
Password option, here you
can change your pass ord.
It is recommended that you
rite do n the pass ord for
future reference. If you forget
your pass ord, you ill be
locked out of the Access Point Web Configurator. You can reset the
Wireless Access Point to restore the default settings. Press in and hold the
Reset button. While holding in the Reset button, unplug the po er adapter
from the Wireless Access point and then plug it back in. Release the Reset
button and then press it once. This ill restore the factory default settings.
When this is performed, the Wireless Activity LED ill blink. If you press
the Reset button a second time, all setting information except for the
pass ord and the encryption data ill be cleared. If this is done, the
Wireless Link Indicator ill blink.
When you are finished changing your pass ord, click Apply for the ne
pass ord to be activated. For security purposes, it is recommended
that you change your pass ord after you successfully log in. Anytime
you reset the Wireless Access Point, your pass ord ill revert to the
default setting.
When you are finished vie ing or changing your Wireless Access Point
information, click Logout. You ill then be asked if you are sure that you
ant to logout. Click Yes.

1312
To obtain the most current support information, including procedures to
obtain Service Repair Orders, visit the U.S. Robotics Web site:
http:// .usr.com
Regulatory Approvals
Federal Communications Commission Statement
This device complies ith FCC Rules Part 15. Operation is subject to the follo ing
t o conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may
cause undesired operation.
This equipment has been tested and found to comply ith the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy. If this equipment
is not installed and used in accordance ith the manufacturer’s instructions, it may cause
harmful interference to radio communications. Ho ever, there is no guarantee that
interference ill not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, hich can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the follo ing measures:
• Reorient or relocate the receiving antenna.
• Increase the separation bet een the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to hich the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is
required to assure compliance ith FCC regulations. Modifications to this unit not
expressly approved by the party responsible for compliance could void the user’s
authority to operate this equipment.
F Radiation Exposure Statement
This equipment complies ith FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated ith
minimum distance 20cm bet een the radiator and your body.
Manufacturer’s Disclaimer Statement
The information in this document is subject to change ithout notice and does not
represent a commitment on the part of the vendor. No arranty or representation,
either expressed or implied, is made ith respect to the quality, accuracy or fitness
for any particular purpose of this document. The manufacturer reserves the right to
make changes to the content of this document and/or the products associated ith
it at any time ithout obligation to notify any person or organization of such
changes. In no event ill the manufacturer be liable for direct, indirect, special,
incidental or consequential damages arising out of the use or inability to use this
product or documentation, even if advised of the possibility of such damages.
UL Listing/CUL Listing or CSA Certified
This information technology equipment is UL-Listed and CUL Listed or CSA-Certified
for the uses described in the users guide.
My Wireless Access Point is not appearing in the list when I scan for it.
Possible Solution:
You may be on a computer that is physically too far a ay from the
Wireless Access Point. Try moving closer to the Wireless Access Point and
repeating the scan procedure. Check any physical connections bet een
the Wireless Access Point and your modem, router, hub, LAN, or s itch.
My computer is not acknowledging my Wireless Access Point.
Possible Solution:
Be certain that the Wireless Access Point is plugged into a po er source
and is properly installed. Make sure the Ethernet cable is securely con-
nected to the Ethernet port on the Wireless Access Point and to the
Ethernet port on your cable or DSL modem, router, hub, or bridge.
I am experiencing poor link uality in some areas of my home or office.
Possible Solution:
You might be encountering interference from alls or other structures that
is lo ering your link quality. Try placing your Wireless Access Point at a
higher location, such as a higher shelf, or repositioning it in a different
area of your room or office.
Are You Still Having Problems?
1. Go to the Support section of the U.S Robotics Web site at .usr.com.
Many of the most common difficulties users experience have been
addressed in the FAQ and Troubleshooting Web pages for your specific
product.
2. Call the U.S. Robotics Technical Support Department
Technical questions about U.S. Robotics products can also be ans ered
by technical support specialists.
Country Voice Online Support Hours
United States [phone] http:// .usr.com/support/s-contact.asp 8:00 A.M. - 7:00 P.M., M-F CST
anada [phone] http:// .usr.com/international.asp 8:00 A.M. - 7:00 P.M., M-F CST
Argentina AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
Brazil AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
México AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
hile AT&T Direct + [phone] [email protected] 9:00 A.M.– 5:00 P.M., M-F CST
olômbia AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
osta Rica AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
Peru AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST
Puerto Rico AT&T Direct + [phone] [email protected] 9:00 A.M.– 5:00 P.M., M-F CST
Venezuela AT&T Direct + [phone] [email protected] 9:00 A.M. – 5:00 P.M., M-F CST

1514
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