®
A Division of Cisco Systems, Inc.
GHz
802.11g
Wireless-G
Range Expander
User Guide
WIRELESS
Model No.
WRE54G
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Wireless-G Range Expander
Table of Contents
Welcome
What’s in this Guide?
Chapter 2: Planning your Wireless Network
Chapter 1: Introduction
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1
2
4
4
4
5
6
6
6
7
8
Network Topology
Roaming
Network Layout
Chapter 3: Getting to Know the Wireless-G Range Expander
The Front Panel
The Side Panel
The Power Plate
Chapter 4: Connecting the Wireless-G Range Expander
Chapter 5: Setting Up the Wireless-G Range Expander
9
Chapter 6: Configuring the Wireless-G Range Expander
Overview
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14
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26
The Setup Tab
Appendix A: Troubleshooting
Common Problems and Solutions
Frequently Asked Questions
Appendix B: Wireless Security
Security Precautions
Security Threats Facing Wireless Networks
Appendix C: Upgrading Firmware
Appendix D: Windows Help
Appendix E: Glossary
Appendix F: Specifications
Appendix G: Warranty Information
Appendix H: Regulatory Information
Appendix I: Contact Information
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28
31
32
33
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List of Figures
Figure 3-1: The Front Panel
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7
Figure 3-2: The Power Plate
Figure 5-1: The Setup Wizard’s Welcome screen
Figure 5-2: Connecting to an access point
Figure 5-3: Confirm Wireless Settings
Figure 5-4: Cannot find Wireless Network
Figure 5-5: Choose an access point
Figure 5-6: The Security Settings screen
Figure 5-7: Choose the Range Expander
Figure 5-8: The Password request screen
Figure 5-9: The Security Settings screen
Figure 5-10: The Configure Network Address Settings screen
Figure 5-11: The Confirm New Settings screen
Figure 5-12: The Congratulations screen
Figure 6-1: Password Screen
Figure 6-2: Setup Tab - Basic Setup
Figure 6-3: WEP Security screen
Figure 6-4: Setup Tab - Password
Figure 6-5: File Download
Figure 6-6: Setup Tab - Help
Figure 6-7: Firmware Upgrade
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Figure C-1: Upgrade Firmware
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Wireless-G Range Expander
Chapter 1: Introduction
Welcome
access point - a device that allows wireless-equipped
computers and other devices to communicate with a wired
network. Also used to expand the range of a wireless network.
Thank you for choosing the Wireless-G Range Expander. This Range Expander will allow you to expand your
network beyond the range of your current access point or wireless router.
How does the Range Expander do this? Once on your network, the Range Expander repeats the signal to all
devices within its range. By placing the Range Expander at the furthest edge of your access point or wireless
router’s signal, it could conceivably double the area of your network.
network - a series of computers or devices
connected for the purpose of data sharing, storage,
and/or transmission between users.
But what does all of this mean?
router - a networking device that connects
multiple networks together.
Networks are useful tools for sharing computer resources. You can access one printer from different computers
and access data located on another computer's hard drive. Networks are even used for playing multiplayer video
games. So, networks are not only useful in homes and offices, they can also be fun.
adapter - a device that adds network functionality to your PC.
PCs equipped with wireless cards and adapters can communicate without cumbersome cables. By sharing the
same wireless settings, within their transmission radius, they form a wireless network. While access points and
wireless routers bridge wireless networks and wired networks, the Range Expander can then take that signal for
networks that use the 802.11b and 802.11g standards and extend it beyond its current range.
802.11b - an IEEE wireless networking standard that
specifies a maximum data transfer rate of 11Mbps
and an operating frequency of 2.4GHz.
Use the instructions in this Guide to help you connect the Range Expander, set it up, and configure it to expand
the range of your Wireless-B and Wireless-B networks. These instructions should be all you need to get the most
out of the Range Expander.
802.11g - an IEEE wireless networking standard that
specifies a maximum data transfer rate of 54Mbps, an
operating frequency of 2.4GHz, and backward
compatibility with 802.11b devices.
Chapter 1: Introduction
Welcome
1
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Wireless-G Range Expander
What’s in this Guide?
This user guide covers the steps for setting up and using the Wireless-G Range Expander.
•
•
•
•
•
Chapter 1: Introduction
This chapter describes the Range Expander’s applications and this User Guide.
Chapter 2: Planning Your Wireless Network
This chapter discusses a few of the basics about wireless networking.
Chapter 3: Getting to Know the Wireless-G Range Expander
This chapter describes the physical features of the Range Expander.
Chapter 4: Connecting the Wireless-G Range Expander
This chapter describes the steps for connecting the Range Expander to your wireless network.
Chapter 5: Setting up the Wireless-G Range Expander
This chapter instructs you on how to use the Range Expander’s Setup Wizard and configure the Range
Expander.
•
•
Chapter 6: Configuring the Wireless-G Range Expander
This chapter show you how to configure the Range Expander with the Web Utility.
Appendix A: Troubleshooting
This appendix describes some potential problems and solutions, as well as frequently asked questions,
regarding installation and use of the Adapter.
•
•
Appendix B: Wireless Security
This appendix discusses security issues regarding wireless networking and measures you can take to help
protect your wireless network.
Appendix C: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
•
•
Appendix D: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
Appendix E: Specifications
This appendix provides the Range Expander’s technical specifications.
Chapter 1: Introduction
What’s in this Guide?
2
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•
•
•
Appendix F: Warranty Information
This appendix supplies the Range Expander’s warranty information.
Appendix G: Regulatory Information
This appendix supplies the Range Expander’s regulatory information.
Appendix H: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction
What’s in this Guide?
3
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Chapter 2: Planning your Wireless Network
Network Topology
topology: the physical layout of a network
A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless
network must be configured to share the same radio channel. Several PCs equipped with wireless cards or
adapters can communicate with one another to form an ad-hoc network.
ad-hoc: a group of wireless devices
communicating directly with each other (peer-
to-peer) without the use of an access point.
Linksys wireless adapters also provide users access to a wired network when using an access point or wireless
router. An integrated wireless and wired network is called an infrastructure network. Each wireless PC in an
infrastructure network can talk to any computer in a wired network infrastructure via the access point or wireless
router.
infrastructure: a wireless network that is
bridged to a wired network via an access point.
An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and can double the
effective wireless transmission range for two wireless adapter PCs. Since an access point is able to forward data
within a network, the effective transmission range in an infrastructure network can be doubled.
roaming: the ability to take a wireless device from one access
point's range to another without losing the connection.
Roaming
Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your
wireless PC within your network and the access points will pick up the wireless PC's signal, providing that they
both share the same channel and SSID.
SSID: your wireless network's name.
Should you consider roaming, choose a feasible radio channel and optimum access point position. Proper access
point positioning combined with a clear radio signal will greatly enhance performance.
Chapter 2: Planning your Wireless Network
Network Topology
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Network Layout
Linksys wireless access points and wireless routers have been designed for use with 802.11b, and 802.11g
products. With 802.11g products communicating with the 802.11b standard and some products incorporating
both “a” and “g”, products using these standards can communicate with each other.
Access points and wireless routers are compatible with 802.11b and 802.11g adapters, such at the PC Cards for
your laptop computers, PCI Card for your desktop PC, and USB Adapters for when you want to enjoy USB
connectivity. Wireless products will also communicate with the wireless PrintServer.
When you wish to connect your wired network with your wireless network, network ports on access points and
wireless routers can be connected to any of Linksys's switches or routers.
With these, and many other, Linksys products, your networking options are limitless. Go to the Linksys website at
Chapter 2: Planning your Wireless Network
Network Layout
5
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Chapter 3: Getting to Know the Wireless-G Range Expander
The Front Panel
The Range Expander's LEDs, where information about network activity is displayed, are located on the front
panel. In addition, the Range Expander’s antenna is adjustable and located on the front panel. Make sure the
antenna is positioned straight up into the air, however the Range Expander is positioned.
LINK
Blue/Red. The LINK LED lights up when the Range Expander is powered on. This light will
appear blue when the Range Expander has connected to a functioning access point or
wireless router. When there is no access point or wireless router with which to connect, this
light will appear red.
ACTIVITY
Blue. The ACTIVITY LED lights whenever there is a successful wireless connection and will
flash when there is wireless network activity.
Figure 3-1: The Front Panel
The Side Panel
wep - a method of encrypting network data transmitted
on a wireless network for greater security.
On the Range Expander's side panel, you will find the Reset and Auto configuration buttons.
Auto configuration The Auto configuration button can be used to easily connect the Range Expander to the
nearest wireless network, via an access point or wireless router. Simply connect the power
and press the Auto configuration button. Your wireless network must have WEP disabled
for this feature to function.
Important: Resetting the Range Expander will
erase all of your settings (WEP Encryption and
Wireless settings, etc.) and replace them with the
factory defaults. Do not reset the Range Expander
if you want to retain these settings.
Chapter 3: Getting to Know the Wireless-G Range Expander
The Front Panel
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Reset Button There are two ways to reset the Range Expander's factory defaults. Either press the Reset
Button, for approximately ten seconds, or restore the defaults from the Password tab in
the Range Expander's Web-Based Utility.
The Power Plate
The back of the Range Expander has a two-pronged recess where its power plates can be connected. Two power
plates come with the Range Expander, one with two prongs for connecting directly to a power outlet, and another
with a cord to reach a power outlet.
These power plates are slid into the recess and are fully connected when the orange tab snaps into place. To
remove the power plate, slide the tab to the right and slide out the power plate. Always unplug the Range
Expander before removing the power plate.
Figure 3-2: The Power Plate
Chapter 3: Getting to Know the Wireless-G Range Expander
The Power Plate
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Chapter 4: Connecting the Wireless-G Range Expander
Since the Range Expander does not physically connect to your network, through cables, etc., connection is very
simple.
tcp/ip: a set of instructions PCs use to
communicate over a network.
1. Locate an optimum location for the Range Expander. The best placement is usually at the edge of your
wireless network.
2. Fix the direction of the antenna. Try to place it in a position that will best cover your wireless network.
Normally, the higher you place the Range Expander’s antenna, the better the performance will be. The
HAVE YOU:Enabled TCP/IP on your PCs? PCs
antenna's position enhances the receiving sensitivity.
communicate over the network with this
protocol. Refer to Appendix D: Windows Help
for more information on TCP/IP.
3. Connect the appropriate power plate and connect it to a power outlet. You should always plug your
networking gear into a surge protector.
4. If you would like to use the Range Expander’s Auto configuration button, disable your wireless network’s WEP
security setting. Then, press the Auto configuration button. It will then automatically detect your wireless
network and configure itself with those settings. Once this is done, you can once again enable WEP security.
If you would rather configure the Range Expander with the Setup Wizard included, you can leave WEP security
in place. WEP Security should always be enabled.
hardware: the physical aspect of computers,
telecommunications, and other information technology devices.
Now that the hardware installation is complete, proceed to Chapter 5: Setting Up the Wireless-G Range Expander,
for directions on how to set up the Range Expander with the Setup Wizard.
NOTE: The Auto configuration button can be
used to setup the Range Expander simply
when you have disabled WEP security on your
wireless network.
Chapter 4: Connecting the Wireless-G Range Expander
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Chapter 5: Setting Up the Wireless-G Range Expander
NOTE: You won’t need to use the Setup Wizard, if
Now that you've placed the Range Expander within your wireless network, you are ready to begin setting it up.
This Setup Wizard will take you through all the steps necessary to configure the Range Expander.
you set up the Range Expander with the Auto
configuration button. The Auto configuration button
can be used to setup the Range Expander simply
when you have disabled WEP security on your
wireless network.
1. Insert the Setup Wizard CD into your PC's CD-ROM drive. Your PC must be communicating with your wireless
network to set up the Range Expander.
2. The Setup Wizard's Welcome screen should appear on your monitor. If it does not, this means the Setup
Wizard is not automatically running as it should. Start the Setup Wizard manually by clicking the Start button,
selecting Run, and typing d:\setup.exe (where "D" is your PC's CD-ROM drive). Click the Setup button to
continue this Setup Wizard. Clicking the User Guide button opened this Guide. To exit this Setup Wizard, click
the Exit button.
Figure 5-1: The Setup Wizard’s Welcome screen
Chapter 5: Setting Up the Wireless-G Range Expander
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3. The next screen advises you to have your PC communicating with your wireless network before starting the
setup process. The Range Expander does not yet require connection. You should always connect your
networking gear to a surge protector. Click the Next button to continue or Exit to exit the Setup Wizard.
Figure 5-2: Connecting to an access point
4. The Setup Wizard will run a search for your wireless network. If found, you will be asked to
confirm the settings. If you confirm them, proceed to Step 5. If you’d like to chose a different
access point for the Range Expander to communicate with, continue to Step 4b below. If no
wireless network is found, click Continue and a list with the status information for each access
point will be displayed.
a.A screen will notify you when no access point is detected on your network. Click
Continue to survey your network for any access points or wireless routers or Cancel to
exit the Setup Wizard.
Figure 5-4: Cannot find
Wireless Network
Figure 5-3: Confirm
Wireless Settings
b.The site survey results will display all available access points and wireless routers in your network.
Select the one to which you wish to connect from the list shown. Then, click Yes to continue or No to
return to the beginning of the Setup Wizard.
Figure 5-5: Choose an access point
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c.The Security Settings screen will appear next. From this screen, you can set the level of encryption on
your network, along with entering the appropriate passphrases and/or encryption keys.
If your network’s WEP encryption uses a passphrase, enter it here. The passphrase can consist of no
more than 16 alphanumeric characters.
When entering the WEP key directly, it should be no more than 10 hexadecimal characters in length
for 64-bit encryption or 26 hexadecimal characters in length for 128-bit encryption. Hexadecimal
characters are the letters "A" through "F" and the numbers "0" through "9". All points in your
wireless network must use the same WEP key to utilize WEP encryption.
Figure 5-6: The Security Settings screen
Click the Next button to continue or Exit to exit the Setup Wizard.
5. Now that the Setup Wizard has found an access point or wireless router with which to communicate, it will
now search for the Range Expander. Select the one to which you wish to connect from the list shown. Then,
click Yes to continue or No to return to the beginning of the Setup Wizard.
Figure 5-7: Choose the Range Expander
6. When you have selected the Range Expander, you will be asked to enter its password. If you have not already
set a password, you can type in the default password: admin. Then, click Enter to continue. To exit this Setup
Wizard, click Exit.
Figure 5-8: The Password request screen
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7. The Security Settings screen will appear next, if you have not entered this information already. From this
screen, you can set the level of encryption on your network, along with entering the appropriate passphrases
and/or encryption keys.
If your network’s WEP encryption uses a passphrase, enter it here. The passphrase can consist of no more
than 16 alphanumeric characters.
When entering the WEP key directly, it should be no more than 10 hexadecimal characters in length for 64-bit
encryption or 26 hexadecimal characters in length for 128-bit encryption. Hexadecimal characters are the
letters "A" through "F" and the numbers "0" through "9". All points in your wireless network must use the
same WEP key to utilize WEP encryption.
Click the Next button to continue or Exit to exit the Setup Wizard.
Figure 5-9: The Security Settings screen
bit - a binary digit.
8. The Configure Network Address Settings screen will appear next. Enter an IP Address, Subnet Mask, the IP
Address of your network Gateway, and an Expander Name. Then, click the Next button to continue or Back to
return to the previous page.
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•
•
IP Address. This IP address must be unique to your network. (The default IP address is 192.168.1.240.)
Subnet Mask. The Range Expander's Subnet Mask must be the same as your network.
Gateway. This IP address should be the IP address of the gateway device that allows for contact between
the Internet and the local network.
•
Expander Name. You can assign the Range Expander any name up to 32 characters in length, such as its
location (garage, downstairs, living room, etc.).
Figure 5-10: The Configure Network Address
Settings screen
gateway - a device that interconnects networks with different,
incompatible communications protocols.
Chapter 5: Setting Up the Wireless-G Range Expander
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9. You should now review the settings you've chosen. If these settings are correct, click the Yes button to save
these settings. If you wish to change any of the settings, click the No button. You will exit the Setup Wizard
and can start it again to revise your settings.
Figure 5-11: The Confirm New Settings screen
10. At this point, the configuration performed with the Setup Wizard is complete. To configure any other Range
Expanders in your network, you can run this Setup Wizard again. Click the Exit button to exit the Setup
Wizard.
Figure 5-12: The Congratulations screen
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Chapter 6: Configuring the Wireless-G Range Expander
Have You: Enabled TCP/IP on your PCs? PCs
communicate over the network with this protocol.
Refer to Appendix D: Windows Help for more
information on TCP/IP.
Overview
The Range Expander has been designed to be functional right out of the box, setting it up with the Auto
configuration button or with the Setup Wizard. However, if you'd like to change these settings, the Range
Expander can be configured through your web browser with the Web-Based Utility. This chapter explains how to
configure the Range Expander in this manner.
Note: The Range Expander is designed to function
properly after using the Auto configuration button or
Setup Wizard. This chapter is provided solely for those
who wish to perform more advanced configuration or
monitoring.
Open your web browser and type the IP Address you entered in the Setup Wizard. (If you used the Auto
configuration button, the default IP address is 192.168.1.240.) Press the Enter key and the Password Screen will
appear. Leave the User Name field blank. The first time you open the Web-Based Utility, use the default password
admin. You can set a new password from the Password tab.
Figure 6-1: Password Screen
browser: an application program that provides a way to look
at and interact with all the information on the World Wide Web.
ip address: the address used to identify a
computer or device on a network.
Chapter 5: Configuring the Wireless-G Range Expander
Overview
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The Setup Tab
Basic Setup
The first screen that appears displays the Basic Setup screen. This allows you to change the Range Expander's
general settings. Change these settings as described here and click Save Settings to apply your changes or
Cancel Changes to cancel your changes. If you require online help, click Help.
•
•
Firmware. This will display the Range Expander's current firmware version. Firmware can be upgraded from
the Help tab.
Name. You may assign any name to the Range Expander. Unique, memorable names are helpful, especially if
you are employing multiple Range Expanders on the same network. Verify this is the name you wish to use
and click Save Settings to set it.
Figure 6-2: Setup Tab - Basic Setup
Wireless
firmware: the programming code that runs a
networking device
The selections under this heading allow you to configure the Range Expander’s connection to your wireless
network.
•
IP Address. The IP address must be unique to your network. We suggest you use the default IP address of
192.168.1.240.
subnet mask: an address code that determines
the size of the network.
•
•
Subnet Mask. The Subnet Mask must be the same as that set on your wireless network.
Gateway. If you have assigned a static IP address to the access point, then enter the IP address of your
network’s Gateway, such as a router, in the Gateway field. If your network does not have a Gateway, then
leave this field blank.
static ip address: a fixed address assigned to a
computer or device that is connected to a network
•
•
Mode. Select Mixed and both Wireless-G and Wireless-B computers will be allowed on the network, but the
speed will be reduced. Select G-Only for maximum speed with Wireless-G products only. The final selection,
B-Only, allows only Wireless-B products on the network.
SSID. The SSID is the name shared among all points in a wireless network. The SSID must be identical for all
points in the wireless network. It is case-sensitive and must not exceed 32 alphanumeric characters, which
may be any keyboard character. Make sure this setting is the same for all points in your wireless network. For
added security, you should change the SSID from the default name, linksys, to a unique name.
•
SSID Broadcast. Allows the SSID to be broadcast on your network. You may want to enable this function
while configuring your network, but make sure that you disable it when you are finished. With this enabled,
Chapter 5: Configuring the Wireless-G Range Expander
The Setup Tab
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someone could easily obtain the SSID information with site survey software and gain unauthorized access to
your network. Click Enable to broadcast the SSID to all wireless devices in range. Click Disable to increase
network security and prevent the SSID from being seen on networked PCs.
•
•
Channel. Select the appropriate channel from the list provided, between 1 and 11, to correspond with your
network settings. All points in your wireless network must use the same channel to function correctly.
Wireless Security. To enable wireless security, through WEP encryption, select the Enable radio button. To
disable such security, select the radio button by Disable. To change the security settings to match your
network, click the Edit Security Settings button. A notification window will ask if you wish to change the
settings. Clicking the Edit Security Settings button will open the following options:
Default Transmit Key. When using WEP keys and not a Passphrase (described below), this selection
corresponds with the Key used.
WEP Encryption. Select the level of WEP encryption you wish to use, 64-bit 10 hex digits or 128-bit 26 hex
digits. Higher encryption levels offer higher levels of security, but due to the complexity of the encryption,
they may decrease network performance.
Figure 6-3: WEP Security screen
encryption: encoding data transmitted in a network
Passphrase. Instead of manually entering WEP keys, you can enter a Passphrase. This Passphrase is used to
generate one or more WEP keys. It is case-sensitive and should not be longer than 16 alphanumeric
characters. (This Passphrase function is compatible with Linksys wireless products only. If you want to
communicate with non-Linksys wireless products, enter the WEP key manually on the non-Linksys wireless
products.) After you enter the Passphrase, click the Generate button to create WEP keys.
software: instructions for the computer.
passphrase: used much like a password, a passphrase
simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
Keys 1-4. WEP keys enable you to create an encryption scheme for wireless transmissions. If you are not
using a Passphrase, then manually enter a set of values. (Do not leave a key field blank, and do not enter all
zeroes. These are not valid key values.)
If you are using 64-bit WEP encryption, then the key must be exactly 10 hexadecimal characters in length. If
you are using 128-bit WEP encryption, then the key must be exactly 26 hexadecimal characters in length.
Valid hexadecimal characters are “0”-“9” and “A”-“F”.
•
•
When finished making your changes on this tab, click the Save Settings button to save these changes, or
click the Cancel Changes button to undo your changes.
Access Point MAC Address. In this field, enter the MAC Address of the access point with which the Range
Expander is communicating.
MAC address: the unique address that a
manufacturer assigns to each networking device.
Chapter 5: Configuring the Wireless-G Range Expander
The Setup Tab
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Password
The Password screen allows you to change the Range Expander's password and restore factory defaults.
Changing the sign-on password for the Range Expander is as easy as typing the password into the Password
field. Then, type it again into the second field to confirm.
To restore the Range Expander's factory default settings, click the Yes button beside Restore Factory
Defaults.Then, click the Save Settings button.
Figure 6-4: Setup Tab - Password
IMPORTANT: Restoring the Range Expander's
factory default settings will erase all of your
Wireless and WEP settings, and replace them with
the factory defaults. Do not reset the Range
Expander if you want to retain these settings.
To back up your Range Expander configuration, click the Backup button. A File Download screen will appear and
you can click Save to backup the file to your PC. To restore the backed-up configuration, click the Restore button
and select it from the same location.
download: to receive a file transmitted over a network
Click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. If you require
online help, click the Help button.
Figure 6-5: File Download
Chapter 5: Configuring the Wireless-G Range Expander
The Setup Tab
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Wireless-G Range Expander
Help
For help on the various tabs in this Web-based Utility, along with upgrading the Range Expander’s firmware and
viewing this User Guide, click the Help tab.
The help files for the various tabs in this Web-based Utility are listed by tab name on the left hand side of the
screen.
Click the Linksys Website link to connect to the Linksys homepage for Knowledgebase help files and information
about other Linksys products, provided you have an active Internet connection.
For an Online manual in PDF format, click that text link. (You’re viewing it right now!) The User Guide will appear
in Adobe pdf format. If you do not have the Adobe PDF Reader installed on your computer, click the Adobe
Website link or go to the Setup Wizard CD-ROM to download this software. (To access the Adobe website, you
will need an active Internet connection.) To download from the CD-ROM, click the Start button and select Run.
Type D:\Acrobat (if “D” is the letter of your CD-ROM drive).
Figure 6-6: Setup Tab - Help
New firmware versions are posted at www.linksys.com and can be downloaded for free. If the Range Expander is
not experiencing difficulties, then there is no need to download a more recent firmware version, unless that
version has a new feature that you want to use. Loading new firmware does not always enhance the speed or
quality of your Internet connection.
To upgrade the Range Expander’s firmware:
1. Download the firmware upgrade file from the Linksys website.
2. Extract the firmware upgrade file.
3. Click the Upgrade Firmware button on the Help screen.
4. Enter the location of the firmware upgrade file in the File Path field, or click the Browse button to find the
firmware upgrade file.
Figure 6-7: Firmware Upgrade
5. Double-click the firmware upgrade file.
Click the Upgrade button, and follow the on-screen instructions.
upgrade: to replace existing software or
firmware with a newer version.
Chapter 5: Configuring the Wireless-G Range Expander
The Setup Tab
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Wireless-G Range Expander
Appendix A: Troubleshooting
This appendix consists of two parts: “Common Problems and Solutions” and “Frequently Asked Questions.” This
appendix provides solutions to problems that may occur during the installation and operation of the Wireless-G
Range Expander. Read the description below to solve your problems. If you can't find an answer here, check the
Common Problems and Solutions
1. The Wireless-G Range Expander will not connect to my Wireless-G network.
Go through this checklist:
•
•
Verify that your PC can communicate with your wireless network.
Press the Range Expander’s reset button (with a pin or a pen) for five seconds. This should reset the
Range Expander’s settings back to their default.
•
•
Disconnect the Range Expander’s power for 30 seconds. Then, connect the power again.
Press the Auto configuration button on the side of the Range Expander. As long as it is within range of an
access point or wireless router that has disabled WEP, it should communicate with it.
2. The Setup Wizard does not detect the Range Expander.
Go through this checklist:
•
Press the Range Expander’s reset button (with a pin or a pen) for five seconds. This should reset the
Range Expander’s settings back to their default.
•
Disconnect the Range Expander’s power for 30 seconds. Then, connect the power again.
Frequently Asked Questions
Can I run an application from a remote computer over the wireless network?
This will depend on whether or not the application is designed to be used over a network. Consult the
application’s user guide to determine if it supports operation over a network.
Can I play multiplayer games with other users of the wireless network?
Yes, as long as the game supports multiple players over a network. Refer to the game’s user guide for more
information.
What IEEE 802.11b features are supported?
The product supports the following IEEE 802.11 functions:
•CSMA/CA plus Acknowledge protocol
Appendix A: Troubleshooting
Common Problems and Solutions
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Wireless-G Range Expander
•Multi-Channel Roaming
•Automatic Rate Selection
•RTS/CTS feature
•Fragmentation
•Power Management
What is Ad-hoc?
An Ad-hoc wireless network is a group of computers, each with a wireless adapter, connected as an
independent wireless network. An Ad-hoc wireless network is applicable at a departmental scale for a branch
or SOHO operation.
What is Infrastructure?
An integrated wireless and wired network is called an Infrastructure configuration. Infrastructure is
applicable to enterprise scale for wireless access to a central database, or wireless application for mobile
workers.
What is Roaming?
Roaming is the ability of a portable computer user to communicate continuously while moving freely
throughout an area greater than that covered by a single access point. Before using the roaming function, the
workstation must make sure that it is the same channel number as the network within the coverage area.
To achieve true seamless connectivity, the wireless network must incorporate a number of different functions.
Each node, for example, must always acknowledge receipt of each message. Each node must maintain
contact with the wireless network even when not actually transmitting data. Achieving these functions
simultaneously requires a dynamic RF networking technology that links nodes. In such a system, the user’s
end node undertakes a search for the best possible access to the system. First, it evaluates such factors as
signal strength and quality, as well as the message load currently being carried in the network. Based on that
information, the node next selects the right access point and registers its address. Communications between
end node and host computer can then be transmitted up and down the backbone.
As the user moves on, the end node’s RF transmitter regularly checks the system to determine whether it is in
touch with the original access point or whether it should seek a new one. When a node no longer receives
acknowledgment from its original access point, it undertakes a new search. Upon finding a new access point,
it then re-registers, and the communication process continues.
What is ISM band?
The FCC and their counterparts outside of the U.S. have set aside bandwidth for unlicensed use in the ISM
(Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made
available worldwide. This presents a truly revolutionary opportunity to place convenient high speed wireless
capabilities in the hands of users around the globe.
Appendix A: Troubleshooting
Frequently Asked Questions
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What is Spread Spectrum?
Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in
reliable, secure, mission-critical communications systems. It is designed to trade off bandwidth efficiency for
reliability, integrity, and security. In other words, more bandwidth is consumed than in the case of narrowband
transmission, but the trade-off produces a signal that is, in effect, louder and thus easier to detect, provided
that the receiver knows the parameters of the spread-spectrum signal being broadcast. If a receiver is not
tuned to the right frequency, a spread-spectrum signal looks like background noise. There are two main
alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).
What is DSSS? What is FHSS? And what are their differences?
Frequency Hopping Spread Spectrum (FHSS) uses a narrowband carrier that changes frequency in a pattern
that is known to both transmitter and receiver. Properly synchronized, the net effect is to maintain a single
logical channel. To an unintended receiver, FHSS appears to be short-duration impulse noise. Direct Sequence
Spread Spectrum (DSSS) generates a redundant bit pattern for each bit to be transmitted. This bit pattern is
called a chip (or chipping code). The longer the chip, the greater the probability that the original data can be
recovered. Even if one or more bits in the chip are damaged during transmission, statistical techniques
embedded in the radio can recover the original data without the need for retransmission. To an unintended
receiver, DSSS appears as low power wideband noise and is rejected (ignored) by most narrowband
receivers.
Would the information be intercepted while transmitting on air?
Wireless networks feature two-fold protection. On the hardware side, as with Direct Sequence Spread
Spectrum technology, it has the inherent security feature of scrambling. On the software side, the wireless
series offers the encryption function (WEP) to enhance security and access control. Users can set it up
depending upon their needs.
Can Linksys Wireless products support file and printer sharing?
Linksys Wireless products can work with Netware, Windows NT/2000, or other operating systems to support
printer or file sharing.
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 40-bit shared-key algorithm, as
described in the IEEE 802.11 standard.
What is a MAC Address?
The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any networking
device, such as a network adapter, that allows the network to identify it at the hardware level. For all
practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a
computer logs on to the network, the MAC address of a device stays the same, making it a valuable identifier
for the network.
Appendix A: Troubleshooting
Frequently Asked Questions
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How do I avoid interference?
Using multiple access points on the same channel and in close proximity to one another will generate
interference. When employing multiple access points, be sure to operate each one on a different channel
(frequency).
How do I reset the Range Expander?
Press the Reset button on the back of the Range Expander for about ten seconds. This will reset the unit to its
default settings.
How do I resolve issues with signal loss?
There is no way to know the exact range of your wireless network without testing. Every obstacle placed
between points in a network will create signal loss. Leaded glass, metal, concrete floors, water and walls will
inhibit the signal and reduce range. Start with your access point and your wireless PC in the same room and
move it away in small increments to determine the maximum range in your environment.
You may also try using different channels, as this may eliminate interference affecting only one channel.
Also, due to FCC regulations, more power may be transmitted, using 802.11a, on channels 52, 56, 60 and 64,
than on the lower channels. Lastly, check the Advanced tab of the Web-Based Utility and make sure that FULL
is selected in the Transmission Rate field.
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Range Expander
Appendix B: Wireless Security
Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of
Linksys products provide several network security features, but they require specific action on your part for
implementation. So, keep the following in mind whenever you are setting up or using your wireless network.
Security Precautions
The following is a complete list of security precautions to take (as shown in this User Guide) (at least steps 1
through 5 should be followed):
1. Change the default SSID.
2. Disable SSID Broadcast.
3. Change the default password for the Administrator account.
4. Enable MAC Address Filtering.
Note: Some of these security features are
available only through the network router or
access point. Refer to the router or access
point’s documentation for more information.
5. Change the SSID periodically.
6. Use the highest encryption algorithm possible. Use WPA if it is available. Please note that this may reduce
your network performance.
7. Change the WEP encryption keys periodically.
To ensure network security, steps one through five should be followed, at least.
Security Threats Facing Wireless Networks
Wireless networks are easy to find. Hackers know that in order to join a wireless network, wireless networking
products first listen for “beacon messages”. These messages can be easily decrypted and contain much of the
network’s information, such as the network’s SSID (Service Set Identifier). Here are the steps you can take:
Change the administrator’s password regularly. With every wireless networking device you use, keep in mind
that network settings (SSID, WEP keys, etc.) are stored in its firmware. Your network administrator is the only
person who can change network settings. If a hacker gets a hold of the administrator’s password, he, too, can
change those settings. So, make it harder for a hacker to get that information. Change the administrator’s
password regularly.
Appendix B: Wireless Security
Security Precautions
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SSID. There are several things to keep in mind about the SSID:
1. Disable Broadcast
2. Make it unique
3. Change it often
Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be
more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don’t broadcast
the SSID.
Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is “linksys”.)
Hackers know these defaults and can check these against your network. Change your SSID to something unique
and not something related to your company or the networking products you use.
Change your SSID regularly so that any hackers who have gained access to your wireless network will have to
start from the beginning in trying to break in.
MAC Addresses. Enable MAC Address filtering. MAC Address filtering will allow you to provide access to only
those wireless nodes with certain MAC Addresses. This makes it harder for a hacker to access your network with
a random MAC Address.
WEP Encryption. Wired Equivalent Privacy (WEP) is often looked upon as a cure-all for wireless security
concerns. This is overstating WEP’s ability. Again, this can only provide enough security to make a hacker’s job
more difficult.
There are several ways that WEP can be maximized:
1. Use the highest level of encryption possible
2. Use “Shared Key” authentication
Important: Always remember that each
device in your wireless network MUST use
the same encryption method and encryption
key or your wireless network will not function
properly.
3. Change your WEP key regularly
WPA. Wi-Fi Protected Access (WPA) is the newest and best available standard in Wi-Fi security. Two modes are
available: Pre-Shared Key and RADIUS. Pre-Shared Key gives you a choice of two encryption methods: TKIP
(Temporal Key Integrity Protocol), which utilizes a stronger encryption method and incorporates Message
Integrity Code (MIC) to provide protection against hackers, and AES (Advanced Encryption System), which utilizes
a symmetric 128-Bit block data encryption. RADIUS (Remote Authentication Dial-In User Service) utilizes a
RADIUS server for authentication and the use of dynamic TKIP, AES, or WEP.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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WPA Pre-Shared Key. If you do not have a RADIUS server, select the type of algorithm, TKIP or AES, enter a
password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period time between
0 and 99,999 seconds, which instructs the Router or other device how often it should change the encryption
keys.
WPA RADIUS. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS
server is connected to the Router or other device.) First, select the type of WPA algorithm, TKIP or AES. Enter
the RADIUS server’s IP Address and port number, along with a key shared between the device and the server.
Last, enter a Group Key Renewal period, which instructs the device how often it should change the encryption
keys.
RADIUS. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is
connected to the Router or other device.) First, enter the RADIUS server’s IP Address and port number, along
with a key shared between the device and the server. Then, select a WEP key and a level of WEP encryption,
and either generate a WEP key through the Passphrase or enter the WEP key manually.
Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting
sensitive data over your network, encryption should be used.
These security recommendations should help keep your mind at ease while you are enjoying the most flexible
and convenient technology Linksys has to offer.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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Wireless-G Range Expander
Appendix C: Upgrading Firmware
The Range Expander's firmware is upgraded through the Web-Utility's Help tab. Follow these instructions:
2. Click Upgrade Firmware from the Web-Utility's Help tab, and the Upgrade Firmware screen will appear.
3. Enter the location of the firmware's file or click the Browse button to find the file.
4. Then, click the Upgrade button to upgrade the firmware.
Figure C-1: Upgrade Firmware
Appendix C: Upgrading Firmware
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Wireless-G Range Expander
Appendix D: Windows Help
All wireless products require Microsoft Windows. Windows is the most used operating system in the world and
comes with many features that help make networking easier. These features can be accessed through Windows
Help and are described in this appendix.
TCP/IP
Before a computer can communicate within a network, TCP/IP must be enabled. TCP/IP is a set of instructions, or
protocol, all PCs follow to communicate over a network. This is true for wireless networks as well. Your PCs will
not be able to utilize wireless networking without having TCP/IP enabled. Windows Help provides complete
instructions on enabling TCP/IP.
Shared Resources
If you wish to share printers, folder, or files over your network, Windows Help provides complete instructions on
utilizing shared resources.
Network Neighborhood/My Network Places
Other PCs on your network will appear under Network Neighborhood or My Network Places (depending upon the
version of Windows you're running). Windows Help provides complete instructions on adding PCs to your
network.
Appendix D: Windows Help
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Appendix E: Glossary
802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an
operating frequency of 2.4GHz, and backward compatibility with 802.11b devices.
Access Point - A device that allows wireless-equipped computers and other devices to communicate with a
wired network. Also used to expand the range of a wireless network.
Adapter - A device that adds network functionality to your PC.
Ad-hoc - A group of wireless devices communicating directly with each other (peer-to-peer) without the use of
an access point.
AES (Advanced Encryption Standard) - A method that uses up to 256-bit key encryption to secure data.
Backbone - The part of a network that connects most of the systems and networks together, and handles the
most data.
Bandwidth - The transmission capacity of a given device or network.
Bit - A binary digit.
Bridge - A device that connects different networks.
Browser - An application program that provides a way to look at and interact with all the information on the
World Wide Web.
CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) - A method of data transfer that is used to prevent
data collisions.
CTS (Clear To Send) - A signal sent by a wireless device, signifying that it is ready to receive data.
Database - A collection of data that is organized so that its contents can easily be accessed, managed, and
updated.
Download - To receive a file transmitted over a network.
Appendix E: Glossary
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DSSS (Direct-Sequence Spread-Spectrum) - Frequency transmission with a redundant bit pattern resulting in a
lower probability of information being lost in transit.
Encryption - Encoding data transmitted in a network.
Firmware - The programming code that runs a networking device.
Fragmentation -Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.
Gateway - A device that interconnects networks with different, incompatible communications protocols.
Hardware - The physical aspect of computers, telecommunications, and other information technology devices.
IEEE (The Institute of Electrical and Electronics Engineers) - An independent institute that develops networking
standards.
Infrastructure - A wireless network that is bridged to a wired network via an access point.
IP (Internet Protocol) - A protocol used to send data over a network.
IP Address - The address used to identify a computer or device on a network.
ISM band - Radio bandwidth utilized in wireless transmissions.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking
device.
Network - A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
Node - A network junction or connection point, typically a computer or work station.
Packet - A unit of data sent over a network.
Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control
network access.
Appendix E: Glossary
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Roaming - The ability to take a wireless device from one access point's range to another without losing the
connection.
Router - A networking device that connects multiple networks together.
RTS (Request To Send) - A networking method of coordinating large packets through the RTS Threshold setting.
Server - Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
Software - Instructions for the computer. A series of instructions that performs a particular task is called a
"program".
SOHO (Small Office/Home Office) - Market segment of professionals who work at home or in small offices.
Spread Spectrum - Wideband radio frequency technique used for more reliable and secure data transmission.
SSID (Service Set IDentifier) - Your wireless network's name.
Static IP Address - A fixed address assigned to a computer or device that is connected to a network.
Subnet Mask - An address code that determines the size of the network.
TCP (Transmission Control Protocol) - A network protocol for transmitting data that requires acknowledgement
from the recipient of data sent.
TCP/IP (Transmission Control Protocol/Internet Protocol) - A set of instructions PCs use to communicate over a
network.
TKIP (Temporal Key Integrity Protocol) - a wireless encryption protocol that provides dynamic encryption keys for
each packet transmitted.
Topology - The physical layout of a network.
Upgrade - To replace existing software or firmware with a newer version.
WEP (Wired Equivalent Privacy) - A method of encrypting network data transmitted on a wireless network for
greater security.
WPA (Wi-Fi Protected Access) - a wireless security protocol using TKIP (Temporal Key Integrity Protocol)
encryption, which can be used in conjunction with a RADIUS server.
Appendix E: Glossary
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Appendix F: Specifications
Standards
IEEE 802.11g, IEEE 802.11b
Buttons
Auto configuration/Mode, Reset
Blue/Red-LINK, Blue-ACTIVITY
802.11g: Typ. 13±1 1dBm @ Normal Temp Range
802.11b: Typ: 15±1 1dBm @ Normal Temp Range
WEP
LEDs
Transmit Power
Security features
WEP key bits
64/128
Dimensions (W x H x D)
Power
3.18" x 8.27" x 1.77" (80.7 mm x 210 mm x 45 mm)
Input: 115-230V AC 0.2A, Output: 3.3V DC 1.5A
FCC, CE, UL
Certification
Operating Temp.
Storage Temp.
Operating Humidity
Storage Humidity
0ºC to 40ºC (32ºF to 150ºF)
0ºC to 70ºC (-40ºF to 185ºF)
10% to 85%, Non-Condensing
5% to 90% Non-Condensing
Appendix F: Specifications
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Wireless-G Range Expander
Appendix G: Warranty Information
LIMITED WARRANTY
Linksys warrants to You that, for a period of three years (the “Warranty Period”), your Linksys Product will be substantially
free of defects in materials and workmanship under normal use. Your exclusive remedy and Linksys' entire liability under
this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any
rebates. This limited warranty extends only to the original purchaser.
If the Product proves defective during the Warranty Period call Linksys Technical Support in order to obtain a Return
Authorization Number, if applicable. BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. If You are
requested to return the Product, mark the Return Authorization Number clearly on the outside of the package and include a
copy of your original proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. You
are responsible for shipping defective Products to Linksys. Linksys pays for UPS Ground shipping from Linksys back to You
only. Customers located outside of the United States of America and Canada are responsible for all shipping and handling
charges.
ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED
TO THE DURATION OF THE WARRANTY PERIOD. ALL OTHER EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF NON-INFRINGEMENT, ARE DISCLAIMED. Some jurisdictions do not
allow limitations on how long an implied warranty lasts, so the above limitation may not apply to You. This warranty gives
You specific legal rights, and You may also have other rights which vary by jurisdiction.
This warranty does not apply if the Product (a) has been altered, except by Linksys, (b) has not been installed, operated,
repaired, or maintained in accordance with instructions supplied by Linksys, or (c) has been subjected to abnormal
physical or electrical stress, misuse, negligence, or accident. In addition, due to the continual development of new
techniques for intruding upon and attacking networks, Linksys does not warrant that the Product will be free of
vulnerability to intrusion or attack.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA, REVENUE OR PROFIT,
OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF THE THEORY OF
LIABILITY (INCLUDING NEGLIGENCE), ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT
(INCLUDING ANY SOFTWARE), EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT
WILL LINKSYS’ LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT. The foregoing limitations will apply even
if any warranty or remedy provided under this Agreement fails of its essential purpose. Some jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to You.
Please direct all inquiries to: Linksys, P.O. Box 18558, Irvine, CA 92623.
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Appendix H: Regulatory Information
FCC STATEMENT
This product has been tested and complies with the specifications 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 and, if not installed and used
according to the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which is found by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna
Increase the separation between the equipment or devices
Connect the equipment to an outlet other than the receiver's
Consult a dealer or an experienced radio/TV technician for assistance
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator and your body.
INDUSTRY CANADA (CANADA)
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
The use of this device in a system operating either partially or completely outdoors may require the user to obtain a license
for the system according to the Canadian regulations.
EC DECLARATION OF CONFORMITY (EUROPE)
Linksys declares that this product conforms to the specifications listed below, following the provisions of the European
R&TTE directive 1999/5/EC:
EN 301 489-1, 301 489-17 General EMC requirements for Radio equipment.
33
Appendix H: Regulatory Information
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Wireless-G Range Expander
EN 609 50 Safety
EN 300-328-1, EN 300-328-2 Technical requirements for Radio equipment.
Caution: This equipment is intended to be used in all EU and EFTA countries. Outdoor use may be restricted to certain
frequencies and/or may require a license for operation. Contact local Authority for procedure to follow.
Note: Combinations of power levels and antennas resulting in a radiated power level of above 100 mW equivalent isotropic
radiated power (EIRP) are considered as not compliant with the above mentioned directive and are not allowed for use
within the European community and countries that have adopted the European R&TTE directive 1999/5/EC.
For more details on legal combinations of power levels and antennas, contact Linksys Corporate Compliance.
Linksys vakuuttaa täten että dieses produkt tyyppinen laite on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä
koskevien näiden direktiivien muiden ehtojen mukainen.
Linksys Group déclare que le produit est conforme aux conditions essentielles et aux dispositions relatives à la directive
1999/5/EC.
Belgique:
Dans le cas d'une utilisation privée, à l'extérieur d'un bâtiment, au-dessus d'un espace public, aucun enregistrement n'est
nécessaire pour une distance de moins de 300m. Pour une distance supérieure à 300m un enregistrement auprès de l'IBPT
est requise. Pour une utilisation publique à l'extérieur de bâtiments, une licence de l'IBPT est requise. Pour les
enregistrements et licences, veuillez contacter l'IBPT.
France:
2.4 GHz Bande : les canaux 10, 11, 12, 13 (2457, 2462, 2467, et 2472 MHz respectivement) sont complétement libres
d'utilisation en France (en utilisation intérieur). Pour ce qui est des autres canaux, ils peuvent être soumis à autorisation
selon le départment. L'utilisation en extérieur est soumis à autorisation préalable et très restreint.
Vous pouvez contacter l'Autorité de Régulation des Télécommunications (http://www.art-telecom.fr) pour de plus amples
renseignements.
SAFETY NOTICES
Caution: To reduce the risk of fire, use only No.26 AWG or larger telecommunication line cord.
Do not use this product near water, for example, in a wet basement or near a swimming pool.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.
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Appendix H: Regulatory Information
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FCC PART 68 STATEMENT
This equipment complies with Part 68 of the FCC Rules. A label is attached to the equipment that contains, among other
information, its FCC registration number and ringer equivalence number. If requested, this information must be provided to
the telephone company.
This equipment uses the following USOC Jack: RJ-11.
An FCC compliant telephone cord and modular plug is provided with this equipment. This equipment is designed to be
connected to the telephone network or premises wiring using a compatible modular jack, which is FCC Part 68 compliant.
Connection to the telephone network should be made by using the standard modular telephone jack.
The REN is useful to determine the quantity of devices that may be connected to the telephone line and still have all of
those devices ring when your telephone number is called. In most, but not all areas, the sum of RENs should not exceed 5.
To be certain of the number of devices that may be connected to the line, as determined by the total RENs, contact the
telephone company to determine the maximum REN for the calling area.
If this equipment causes harm to the telephone network, the telephone company may discontinue your service temporarily.
If advance notice is not practical, the telephone company will notify the customer as soon as possible. Also, you will be
advised of your right to file a complaint with the FCC if you believe it is necessary.
The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the
operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make
the necessary modifications in order to maintain uninterrupted service.
In the event this equipment should fail to operate properly, disconnect the unit from the telephone line. Try using another
FCC approved device in the same telephone jack. If the trouble persists, call the telephone company repair service bureau.
If the trouble does not persist and appears to be with this unit, disconnect the unit from the telephone line and discontinue
use of the unit until it is repaired. Please note that the telephone company may ask that you disconnect the equipment
from the telephone network until the problem has been corrected or until you are sure that the equipment is not
malfunctioning. The user must use the accessories and cables supplied by the manufacturer to get optimum performance
from the product.
No repairs may be done by the customer. If trouble is experienced with this equipment, please contact your authorized
support provider for repair and warranty information. If the trouble is causing harm to the telephone network, the
telephone company may request you remove the equipment from the network until the problem is resolved. This
equipment cannot be used on telephone company provided coin service. Connection to Party Line Service is subject to
state tariffs.
SAFETY NOTICES
35
Appendix H: Regulatory Information
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Wireless-G Range Expander
Caution: To reduce the risk of fire, use only No.26 AWG or larger telecommunication line cord.
Do not use this product near water, for example, in a wet basement or near a swimming pool.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.
36
Appendix H: Regulatory Information
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Wireless-G Range Expander
Appendix I: Contact Information
Need to contact Linksys?
Visit us online for information on the latest products and updates
to your existing products at:
ftp.linksys.com
Can't find information about a product you want to buy
on the web? Do you want to know more about networking
with Linksys products? Give our advice line a call at:
Or fax your request in to:
800-546-5797 (LINKSYS)
949-823-3002
If you experience problems with any Linksys product,
you can call us at:
800-326-7114
Don't wish to call? You can e-mail us at:
support@linksys.com
If any Linksys product proves defective during its warranty period,
you can call the Linksys Return Merchandise Authorization
department for obtaining a Return Authorization Number at:
(Details on Warranty and RMA issues can be found in the Warranty
Information section in this Guide.)
949-823-3000
37
Appendix I: Contact Information
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