While reading through the User Guide you may see
various icons that call attention to specific items. Below is
a description of these icons:
NOTE: This check mark indicates that there is
a note of interest and is something that you
should pay special attention to while using the
product.
WARNING: This exclamation point indicates
that there is a caution or warning and it is
something that could damage your property or
product.
About This Guide
WEB: This globe icon indicates a noteworthy
website address or e-mail address.
Online Resources
Website addresses in this document are listed without
http:// in front of the address because most current web
browsers do not require it. If you use an older web browser,
you may have to add http:// in front of the web address.
ResourceWebsite
Linksyswww.linksysbycicso.com
Linksys International www.linksysbycisco.com/international
Thank you for choosing the Linksys by Cisco Wireless-N
USB Network Adapter with Dual-Band. Using the latest
wireless networking technology, the Adapter adds
or upgrades wireless connectivity on your notebook
computer. To help protect your data and privacy, you can
use industrial-strength WPA2 encryption to protect your
wireless connection.
LED
Link (Blue) The LED flashes when there is
wireless network activity.
Storing the Cap
When the Adapter is plugged into the USB Extension Base
or your computer’s USB port, the cap may be stored on
the top of the Adapter.
USB Extension Base
A USB Extension Base is provided for easy access to the
USB port. To use the USB Extension Base, connect the
Adapter to the Base, then connect the USB Extension Base
to the USB port on your PC or laptop.
To store the cap, push it onto the top of the adapter until
it fits snugly.
Wireless-N USB Network Adapter with Dual-Band
1
Chapter 2
Wireless Security Checklist
Chapter 2:
Wireless Security Checklist
Wireless networks are convenient and easy to install, so
homes with high-speed Internet access are adopting them
at a rapid pace. Because wireless networking operates by
sending information over radio waves, it can be more
vulnerable to intruders than a traditional wired network.
Like signals from your cellular or cordless phones, signals
from your wireless network can also be intercepted. Since
you cannot physically prevent someone from connecting
to your wireless network, you need to take some additional
steps to keep your network secure.
1. Change the default wireless
network name or SSID
Wireless devices have a default wireless network name
or Service Set Identifier (SSID) set by the factory. This
is the name of your wireless network, and can be up
to 32 characters in length. Linksys wireless products
use linksys as the default wireless network name. You
should change the wireless network name to something
unique to distinguish your wireless network from other
wireless networks that may exist around you, but do not
use personal information (such as your Social Security
number) because this information may be available for
anyone to see when browsing for wireless networks.
2. Change the default password
For wireless products such as access points and routers,
you will be asked for a password when you want to change
their settings. These devices have a default password set
by the factory. The Linksys default password is admin.
Hackers know these defaults and may try to use them
to access your wireless device and change your network
settings. To thwart any unauthorized changes, customize
the device’s password so it will be hard to guess.
4. Enable encryption
Encryption protects data transmitted over a wireless
network. Wi-Fi Protected Access (WPA/WPA2) and Wired
Equivalent Privacy (WEP) offer different levels of security
for wireless communication.
A network encrypted with WPA/WPA2 is more secure
than a network encrypted with WEP, because WPA/WPA2
uses dynamic key encryption. To protect the information
as it passes over the airwaves, you should enable the
highest level of encryption supported by your network
equipment.
WEP is an older encryption standard and may be the
only option available on some older devices that do not
support WPA.
General Network Security Guidelines
Wireless network security is useless if the underlying
network is not secure.
• Password protect all computers on the network and
individually password protect sensitive files.
• Change passwords on a regular basis.
• Install anti-virus software and personal firewall
software.
• Disable file sharing (peer-to-peer). Some applications
may open file sharing without your consent and/or
knowledge.
Additional Security Tips
• Keep wireless routers, access points, or gateways away
from exterior walls and windows.
• Turn wireless routers, access points, or gateways
off when they are not being used (at night, during
vacations).
• Use strong passphrases that are at least eight characters
in length. Combine letters and numbers to avoid using
standard words that can be found in the dictionary.
3. Enable MAC address filtering
Linksys routers give you the ability to enable Media Access
Control (MAC) address filtering. The MAC address is a
unique series of numbers and letters assigned to every
networking device. With MAC address filtering enabled,
wireless network access is provided solely for wireless
devices with specific MAC addresses. For example, you can
specify the MAC address of each computer in your home
so that only those computers can access your wireless
network.
Wireless-N USB Network Adapter with Dual-Band
WEB: For more information on wireless security,
visit www.linksysbycisco.com/security
2
Chapter 3
Chapter 3:
Configuration
The Linksys Wireless Manager is used to configure the
Adapter. The Wireless Manager lets you search for available
wireless networks, establish or terminate a connection
with a wireless network, and save a wireless network’s
settings.
How to Access the Wireless Manager
After you have installed the Adapter, the Linksys Wireless
Manager icon appears in the system tray of your computer.
If the Adapter is connected to a wireless network, the icon
will have green bars (the exact number of green bars
varies depending on the network’s signal strength). If the
Adapter is not connected to a wireless network, the icon
will have gray bars with a red X.
Advanced Configuration
Connect to a Wireless Network—Searching for Wireless Networks
Linksys Wireless Manager Icon—
Connected to a Wireless Network
Linksys Wireless Manager Icon—
Not Connected to a Wireless Network
To open the Wireless Manager, click the icon, and then
select View Wireless Networks... from the pop-up menu.
(To skip the pop-up menu, double-click the icon instead.)
To close the Wireless Manager, click the icon, and then
select Close from the pop-up menu.
Wireless Manager Icon Pop-up Menu
How to Use the Wireless Manager
The Wireless Manager opens with the Connect to a
Wireless Network screen. This screen allows you to connect
to a wireless network, or to disconnect from a wireless
network.
Connect to a Wireless Network—Available Wireless Networks
The list of available wireless networks provides the
following information about each network:
• Network name The network’s unique name or SSID.
• Connection status The word Connected appears if
the Adapter is connected to the network.
• Wi-Fi Protected Setup support The icon
if
the network supports Wi-Fi Protected Setup.
NOTE: The Adapter supports Wi-Fi Protected
Setup, a feature that makes it easy to set up
a wireless network. For information on this
feature, go to How to Connect Using Wi-Fi Protected Setup, page 6.
appears
When the Connect to a Wireless Network screen first
appears, it displays a message indicating that the Wireless
Manager is searching for wireless networks within range.
When the search is complete, the screen displays the
available wireless networks within range.
Wireless-N USB Network Adapter with Dual-Band
• Security The icon appears if the network uses
wireless security. The security type (WPA2, WPA, WEP) is
listed below the network name.
• Network signal strength The green bars in the
icon indicate the network’s signal strength; is the
strongest level and is the weakest level.
3
Chapter 3
Advanced Configuration
To connect to a wireless network, go to How to Connect to
a Wireless Network, page 4. To disconnect from a wireless
network, select the network, and click Disconnect. To
refresh the list of available networks, click Search Again.
How to Connect to a Wireless Network
Follow these instructions to connect to a wireless network
that has not been saved. (To connect to a saved network,
go to How to Connect to a Saved Network, page 8.)
1. On the Connect to a Wireless Network screen, locate
the name of your wireless network in the list. If your
wireless network is not in the list, go to How to Connect to a Hidden Wireless Network, page 5.
2. If your wireless network supports Wi-Fi Protected
Setup (the icon appears next to the network’s
name), go to How to Connect Using Wi-Fi Protected Setup, page 6.
3. Select your network, and then click Connect.
5. The Checking Connection screen appears while the
Wireless Manager establishes the wireless connection.
When it is finished, click Next.
Checking Connection
6. The Connected to Your Network screen appears. To
save your network’s settings, select Remember this network. (Saving a network’s settings will make it
easier to reconnect
the Wireless Manager.
to the network.)
Click Finish to exit
Select a Wireless Network
4. If the wireless network uses wireless security, enter the
security key. Click Next.
Enter Wireless Network’s Security Key
Wireless-N USB Network Adapter with Dual-Band
Connected to Your Network
Congratulations! The Adapter is connected to
the network.
4
Chapter 3
Advanced Configuration
How to Connect to a Hidden Wireless Network
NOTE: By default, a wireless network’s router
broadcasts the network name (SSID).
wireless network is a network whose router has
been configured not to broadcast the network
name (SSID).
Follow these instructions to connect to a wireless network
that is not listed on the Connect to a Wireless Network
screen.
1. On the Connect to a Wireless Network screen, select My network is not in this list. Click Next.
A “hidden”
NOTE: If your wireless network is NOT hidden,
select My network is not hidden, and then
click Next. Follow the instructions on the next
screen—verify that your network router is
powered on and is within range of the Adapter,
and then click Retry to search for wireless
networks again. Then go to How to Connect to a Wireless Network, page 4 to continue.
3. Enter your wireless network’s name (SSID). Click Next.
Select My Network is Not in This List
2. The next screen asks if you want to connect to a hidden
network. If your network is hidden, select Connect to hidden network. Click Next.
Enter Wireless Network’s Name (SSID)
4. If your wireless network uses wireless security,
enter the security key. Click Next.
If your wireless network does not use wireless security,
leave the security key field blank, and click Next.
Enter Wireless Network’s Security Key
Confirm Connection to Hidden Network
Wireless-N USB Network Adapter with Dual-Band
5
Chapter 3
Advanced Configuration
5. The Checking Connection screen appears.
Checking Connection
6. The Connected to Your Network screen appears. To
save your network’s settings, select Remember this network. (Saving a network’s settings will make it
easier to reconnect
the Wireless Manager.
to the network.)
Click Finish to exit
How to Connect Using Wi-Fi Protected Setup
On the Connect to a Wireless Network screen, the Wi-Fi
Protected Setup icon () indicates a network that supports
Wi-Fi Protected Setup. Follow these instructions to connect
to a wireless network using Wi-Fi Protected Setup.
NOTE: Before you begin, make sure the router
and the computer with the Adapter are in the
same room
1. On the Connect to a Wireless Network screen, select
your network, and then click Connect.
.
Connected to Your Network
Congratulations! The Adapter is connected to
the network.
Select the Wireless Network
2. The Quickly Connect Using Push Button screen appears.
Quick Connect Using Push Button
3. Press the router’s Wi-Fi Protected Setup button
until an LED lights up. If your router does not have this
button, click Skip and go to Enter the Adapter’s PIN Number, page 7.
4. Within two minutes, click Connect on the Quickly
Connect Using Push Button screen.
Wireless-N USB Network Adapter with Dual-Band
6
Chapter 3
Advanced Configuration
5. The Adapter connects to the network.
Connecting to the Network via Wi-Fi Protected Setup
NOTE: If the connection cannot be set up, the
message, “Registration failed” appears. If this
happens, use one of two options:
• Push Button Press the router’s Wi-Fi
Protected Setup button until an LED
lights up. Then click Connect to try again.
• PIN Click Skip, and then go to Enter the
Adapter’s PIN Number, page 7.
Enter the Adapter’s PIN Number
Enter the PIN Number
1. Access the web-based utility of the router. (Refer to the
router’s documentation for instructions.)
2. On the router’s Wi-Fi Protected Setup screen, enter
the Adapter’s PIN number in the appropriate field.
Then perform the appropriate action to save the PIN
number; for example, click Register. (Refer to the
router’s documentation for instructions.)
NOTE: Enter the Adapter’s PIN number without
the hyphen.
6. The Connected to Your Network screen appears. To
save your network’s settings, select Remember this network. (Saving a network’s settings will make it
easier to reconnect
to the network.)
Click Finish to
exit the Wireless Manager.
Connected to Your Network
Congratulations! The Adapter is connected to
the network.
Wireless-N USB Network Adapter with Dual-Band
3. The Adapter connects to the network, and the
Connected to Your Network screen appears. To save
your network’s settings, select Remember this network. (Saving a network’s settings will make it
easier to reconnect
to the network.)
Click Finish to exit
the Wireless Manager.
Connected to Your Network
Congratulations! The Adapter is connected to
the network.
7
Chapter 3
Advanced Configuration
Saved Networks
When you connect to a wireless network, you can save its
settings so that it will be easier to reconnect to the network
at a later time. This is most helpful with hidden networks;
if you do not save a hidden network’s settings, you will
have to enter the network name (SSID) and security key.
To save a network, select Remember this network on
the Connected to Your Network screen (the last screen that
appears when you connect to a network).
How to Connect to a Saved Network
To connect to a saved network, follow these instructions.
1. In the Connect to a Wireless Network screen, select
Saved networks from the View drop-down menu.
2. The screen displays a list of your saved networks.
Saved Networks
Remember this Network
To see a list of your saved networks, select Saved
networks from the View drop-down menu of the Connect
to a Wireless Network screen.
Saved Networks
3. Select the network you want, and then click Connect.
4. The Adapter connects to the network and the
Connected to Your Network screen appears. Click Finish
to exit the Wireless Manager.
Connected to Your Network
Congratulations! The Adapter is connected to
the network.
To delete a saved network from the list, select the network
and click Remove. To change a network’s position in
the list, select the network, and click Move up or Move
down.
Wireless-N USB Network Adapter with Dual-Band
8
Appendix A
Appendix A:
Troubleshooting
Your computer does not recognize the Adapter.
Make sure that the Adapter is properly inserted into the
USB slot.
The Adapter does not work properly.
Remove the Adapter, and then reinsert it into the
computer’s USB slot.
Your computer cannot communicate with the other
computers linked via Ethernet in the Infrastructure
configuration.
1. Make sure that the computers are powered on.
2. Make sure that the Adapter is configured with the
same Wireless Network Name (SSID) and wireless
security settings as the other wireless computers in
the Infrastructure configuration.
Troubleshooting
WEB: If your questions are not addressed
here, refer to the Linksys website,
www.linksysbycisco.com
Wireless-N USB Network Adapter with Dual-Band
9
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