®
A Division of Cisco Systems, Inc.
2.4GHz
802.11g
Wireless-G
Bridge for Phone Adapters
WIRELESS
User Guide
Model No.
WBP54G v2
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SPA IP Phone
Table of Contents
Chapter 1: Introduction
Welcome
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1
2
What’s in This User Guide?
Chapter 2: Planning Your Wireless Network
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3
3
4
Network Topology
Roaming
Network Layout
Chapter 3: Getting to Know the Wireless-G Bridge for Phone Adapters
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5
5
5
6
Overview
The LEDs
The Port
The Cable
Chapter 4: Setting Up and Connecting the Wireless-G
Bridge for Phone Adapters
7
7
Starting the Setup Wizard
Running the Setup Wizard
7
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
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21
24
Appendix D: Windows Help
Appendix E: Glossary
Appendix F: Specifications
Appendix G: Warranty Information
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Appendix H: Regulatory Information
Appendix I: Contact Information
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Wireless-G Bridge for Phone Adapters
Figure 3-1: LEDs
Figure 3-2: Power Port
Figure 3-3: Combination Cable
Figure 4-1: Welcome Screen
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Figure 4-2: License Agreement Screen
Figure 4-3: Check for Compatibility Screen
Figure 4-4: Disconnect the Power from the Phone Adapter or IP Phone Screen
Figure 4-5: Power on the Bridge Screen
Figure 4-6: Connecting the Network Cable to a
Router Screen
Figure 4-7: Wireless-G Bridge Setup Screen
Figure 4-8: Choose a Wireless Network Screen
Figure 4-9: Security Settings - WPA Screen
Figure 4-10: Security Settings - WPA2 Screen
Figure 4-11: Security Settings - WEP (64-Bit) Screen
Figure 4-12: Security Settings - WEP Keys Screen
Figure 4-13: Confirmation Screen
Figure 4-14: If the Bridge Does Not Connect... Screen
Figure 4-15: Disconnect the Network Cable from the Router Screen
Figure 4-16: Disconnect the Power Adapter Screen
Figure 4-17: Disconnect the Network Cable from the Phone Adapter Screen
Figure 4-18: Connect the Attached Bridge Power Cable to the Phone Adapter Screen
Figure 4-19: Wireless is Now Active Screen
Figure 4-20: Congratulations Screen
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Figure C-1:
Icons
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Figure C-2: Security Warning for Windows XP
Figure C-3: Upgrade Utility Setup - Welcome
Figure C-4: Choose Destination Location
Figure C-5: Setup is Complete
Figure C-6: Start Upgrade Utility Program
Figure C-7: Upgrade Utility - Browse Targets
Figure C-8: Browsed Devices on Network Screen - Click Files
Figure C-9: Open Firmware File
Figure C-10: BIN File Information Screen
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Wireless-G Bridge for Phone Adapters
Figure C-11: Browsed Devices on Network Screen - Select Bridge
Figure C-12: Upgrade Successful
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Wireless-G Bridge for Phone Adapters
Chapter 1: Introduction
network: a series of computers or devices
connected for the purpose of data sharing,
storage, and/or transmission between users.
How does the Bridge do this? You can put your Linksys phone adapter or IP phone almost anywhere, without the
cost and hassle of running network cables. The Bridge was specially designed to convert your phone adapter or
IP phone into a wireless device, so it can connect to your home network without an Ethernet cable. This lets you
put your phone where it's most convenient for you, and not be limited to the area around your Internet
connection.
adapter: a device that adds network functionality
to your PC.
To make installation even more convenient, the Bridge shares electrical power with the phone adapter or IP
phone, so only one power adapter is needed. To get connected, just plug your existing power adapter's power
jack into the Bridge, and connect the power and data cables of the Bridge to the phone adapter or IP phone. The
included Setup Wizard makes it easy to configure the Bridge for your wireless network. To protect your data and
privacy, all wireless transmissions can be encrypted with WEP or industrial-strength, Wi-Fi Protected Access
(WPA/WPA2) security.
802.11b: an IEEE wireless networking standard that
specifies a maximum data transfer rate of 11Mbps
and an operating frequency of 2.4GHz.
But what does all of this mean?
802.11g an IEEE wireless networking standard that
specifies a maximum data transfer rate of 54Mbps
and an operating frequency of 2.4GHz.
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.
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.
The included Setup Wizard walks you through configuring the Bridge for your wireless network, step by step. Use
the instructions in this Guide to help you set up and connect the Bridge as you run the Setup Wizard. These
instructions should be all you need to get the most out of the Wireless-G Bridge for Phone Adapters.
Chapter 1: Introduction
Welcome
1
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Wireless-G Bridge for Phone Adapters
What’s in This User Guide?
This user guide covers the steps for setting up and using the Wireless-G Bridge for Phone Adapters.
•
•
•
•
•
Chapter 1: Introduction
This chapter describes the Bridge’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 Bridge for Phone Adapters
This chapter describes the physical features of the Bridge.
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
This chapter shows you how to set up and connect the Bridge.
Appendix A: Troubleshooting
This appendix describes some problems and solutions, as well as frequently asked questions, regarding
installation and use of the Bridge.
•
•
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 Bridge’s technical specifications.
Appendix F: Warranty Information
This appendix supplies the Bridge’s warranty information.
Appendix G: Regulatory Information
This appendix supplies the Bridge’s regulatory information.
Appendix H: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
2
What’s in This User Guide?
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Wireless-G Bridge for Phone Adapters
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.
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
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.
infrastructure: a wireless network that is bridged
to a wired network via an access point.
Roaming
roaming: the ability to take a wireless device
from one access point's range to another without
losing the connection.
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.
Before you consider enabling 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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Wireless-G Bridge for Phone Adapters
Network Layout
Products using the 802.11g and 802.11b standards can communicate with each other.
Access points and wireless routers are compatible with 802.11b and 802.11g adapters, such as the notebook
adapters for your laptop computers, PCI adapters for your desktop PCs, and USB adapters for when you want to
enjoy USB connectivity. Wireless products will also communicate with a wireless print server.
Now with the Wireless-G Bridge for Phone Adapters, you can add wireless connectivity to your LInksys phone
adapter or IP phone (compatible model numbers: PAP2, SPA1001, SPA2000, SPA2002, SPA3000, SPA2100,
SPA841, SPA842, SPA941, SPA942, and SPA9000).
switch: a data switch that connects computing devices
to host computers, allowing a large number of devices
to share a limited number of ports
router: a networking device that connects multiple
networks together
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
www.linksys.com for more information about wireless products.
Chapter 2: Planning Your Wireless Network
Network Layout
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Wireless-G Bridge for Phone Adapters
Chapter 3: Getting to Know the Wireless-G Bridge for Phone
Adapters
Overview
The Bridge has two LEDs, a Power port, and a permanently attached cable.
The LEDs
The Bridge has two LEDs to indicate network activity. (Not all versions of the Bridge have LEDS; however, all
Bridges work the same, with or without LEDs.)
Ethernet
Wireless
Green. The Ethernet LED lights up when the Bridge has an active connection to the wired network. It
flashes when the Bridge is experiencing wired network activity. The LED is not lit when the Bridge
has no active connection to the wired network.
Green. The Wireless LED lights up when the Bridge is connected to the wireless network. It flashes
when the Bridge is experiencing wireless network activity. The LED is not lit the Bridge is not
connected via wireless.
Figure 3-1: LEDs
When the Bridge’s firmware is being upgraded, the Ethernet and Wireless LEDs alternate flashing.
The Port
The Bridge does not include its own power adapter; instead, it uses the power adapter of the Linksys phone
adapter or IP phone.
Power
The Power port only supports a 5 V, 2 A, DC power adapter, which was included with your Linksys
phone adapter or IP phone. Do NOT connect any other type of power adapter to the Bridge.
IMPORTANT: Using the wrong power adapter may cause malfunction or damage
your equipment.
Figure 3-2: Power Port
Chapter 3: Getting to Know the Wireless-G Bridge for Phone Adapters
Overview
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Wireless-G Bridge for Phone Adapters
The Cable
The Bridge has a combination Ethernet network and power cable.
Network
Power
For setup, you will use the Ethernet network cable to connect the Bridge to your network router or
PC running the Setup Wizard. After setup, you will use this cable to connect the Bridge to the Linksys
phone adapter or IP phone.
After the Bridge has been configured, you will connect this cable to the Power port of the Linksys
phone adapter or IP phone. One power adapter will power the Bridge, as well as the phone adapter
or IP phone.
Figure 3-3: Combination Cable
Chapter 3: Getting to Know the Wireless-G Bridge for Phone Adapters
The Cable
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Wireless-G Bridge for Phone Adapters
Chapter 4: Setting Up and Connecting the Wireless-G
Bridge for Phone Adapters
IMPORTANT: Do not connect the Bridge until you are instructed to do
so or the setup will not work.
Starting the Setup Wizard
To begin the setup process, insert the Setup Wizard CD-ROM into your CD-ROM drive. The Setup Wizard should
run automatically, and the Welcome screen should appear. If it does not, click the Start button and choose Run. In
the field that appears, enter D:\setup.exe (if “D” is the letter of your CD-ROM drive).
On the Welcome screen, you have the following choices:
Figure 4-1: Welcome Screen
Click Here to Start or Setup - Click the Click Here to Start or Setup button to begin the software installation
process.
User Guide - Click the User Guide button to open this User Guide.
Exit - Click Exit to exit the Setup Wizard.
Running the Setup Wizard
1. To install the Bridge, click the Click Here to Start button on the Welcome screen.
2. After reading the License Agreement, click Next if you agree and want to continue the installation, or click
Cancel to end the installation.
Figure 4-2: License Agreement Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Starting the Setup Wizard
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Wireless-G Bridge for Phone Adapters
3. This screen will inform you about which Linksys phone adapters and IP phones work with the Bridge. Make
sure your phone adapter or IP phone is listed on-screen. Click Next to proceed with the installation process, or
click Back to return to the previous screen. To exit the Setup Wizard, click Exit.
NOTE: The power adapter for your Linksys phone adapter or IP phone will be used to
power the Bridge.
Figure 4-3: Check for Compatibility Screen
4. You will use the PC running this Setup Wizard to set up the Bridge. Disconnect the power jack from the back
of the Linksys phone adapter or IP phone. (You will use this power adapter to power the Bridge.) If your
network router or this PC is in a different room, disconnect the power adapter from the electrical outlet. Move
the power adapter and Bridge to the room where your router or PC is located.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-4: Disconnect the Power from the Phone Adapter or
IP Phone Screen
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Running the Setup Wizard
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Wireless-G Bridge for Phone Adapters
5. Connect the power jack to the Power port of the Bridge. Then plug the power adapter into an electrical outlet.
Click Next to proceed with the installation process, or click Back to return to the previous screen.
Figure 4-5: Power on the Bridge Screen
6. You will use the combination Ethernet network and power cable attached to the Bridge. Connect the Ethernet
network cable of the Bridge to an Ethernet network (LAN) port of the router or PC. (Do not use the power cable
now; you will use it later.)
NOTE: If you connect the Bridge to a router, make sure the Bridge and PC running the
Setup Wizard are connected to the Ethernet network (LAN) ports of the same router.
Make sure the Bridge’s Ethernet LED is solidly lit or flashing.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-6: Connecting the Network Cable to a
Router Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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7. A list of all Bridges for Phone Adapters that can be detected by the Setup Wizard will be displayed. Select the
Bridge you are installing and click Next. If the Bridge you want is not displayed, click the Refresh List button
to search again.
Figure 4-7: Wireless-G Bridge Setup Screen
8. This screen will display a list of wireless networks that can be detected and their status information: SSID
(network name), MAC Address, Channel, Signal (strength), and Security (method). Select the wireless network
you want.
If the network you want is not displayed, click the Refresh List button to search again.
To manually enter the SSID of the network you want, click the SSID radio button and complete the SSID field.
IMPORTANT: Some wireless access points or routers do not broadcast their status
information. If you do not see the network you want, click the SSID radio button and
manually enter its SSID.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-8: Choose a Wireless Network Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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encryption: encoding data transmitted in a network.
9. Configure the wireless security settings. Select the method your network is using, WPA, WPA2, WEP (128-Bit),
or WEP (64-Bit). Then proceed to the appropriate instructions. If you are not using wireless security, select
Disabled, and proceed to step 10.
wpa (wi-fi protected access): a wireless security protocol
using TKIP (Temporal Key Integrity Protocol) encryption.
WPA
wpa2 (wi-fi protected access 2): a wireless security protocol
using AES (Advanced Encryption Standard) encryption.
WPA automatically uses TKIP with dynamic encryption keys. Enter a passphrase on this screen.
Encryption - TKIP is automatically selected as the encryption method.
wep (wired equivalent privacy): a method of encrypting network
data transmitted on a wireless network.
Passphrase - Enter a Passphrase, also called a pre-shared key, of 8-63 characters in the Passphrase field.
The longer and more complex your Passphrase is, the more secure your network will be.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-9: Security Settings - WPA Screen
WPA2
WPA2 automatically uses AES with dynamic encryption keys (AES is a stronger encryption method than TKIP).
Enter a passphrase on this screen.
Encryption - AES is automatically selected as the encryption method.
Passphrase - Enter a Passphrase, also called a pre-shared key, of 8-63 characters in the Passphrase field.
The longer and more complex your Passphrase is, the more secure your network will be.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-10: Security Settings - WPA2 Screen
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Running the Setup Wizard
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WEP (128-Bit) or WEP (64-Bit)
Enter a passphrase in the Passphrase field and click Next. If you want to manually enter a WEP key, leave the
Passphrase field blank and click Next.
Passphrase - Enter a passphrase in the Passphrase field, so a WEP key is automatically generated. The
passphrase is case-sensitive and should not be longer than 16 alphanumeric characters. It must match the
passphrase of your other wireless network devices and is compatible with Linksys wireless products only. (If
you have any non-Linksys wireless products, enter the WEP key manually on those products.)
A new screen will appear. If you entered a Passphrase, the WEP key(s) will be displayed. If you did not enter a
Passphrase, enter the WEP key(s) on this screen. Then select the key you will use from the Key Index drop-
down menu.
Key 1-4 - One to four fields will be displayed, depending on the level of encryption you have selected. The
WEP key you enter must match the WEP key of your wireless network. For 64-bit WEP encryption, enter
exactly 10 hexadecimal characters. For 128-bit WEP encryption, enter exactly 26 hexadecimal characters.
Valid hexadecimal characters are “0” to “9” and “A” to “F”.
Figure 4-11: Security Settings - WEP (64-Bit) Screen
Key Index - The default transmit key number is 1. If your network’s access point or wireless router uses
transmit key number 2, 3, or 4, select the appropriate number from the Key Index drop-down menu.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-12: Security Settings - WEP Keys Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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Wireless-G Bridge for Phone Adapters
10. The new settings will be displayed. Review them before you proceed. Click Next to save your new settings, or
click Back to return to the previous screen.
11. The Bridge will attempt to connect to the wireless network using the new settings.
Figure 4-13: Confirmation Screen
Make sure the Bridge’s Wireless LED is solidly lit or flashing. This indicates that the Bridge has connected to
the wireless network. If the attempt succeeds, proceed to step 12.
If the attempt fails, you have two options offered by a pop-up screen. Click the Yes button to save the new
settings and proceed, or click the No button to return to the Choose a Wireless Network screen and
reconfigure the settings.
Figure 4-14: If the Bridge Does Not Connect... Screen
12. Disconnect the Ethernet network cable of the Bridge from the router or PC.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-15: Disconnect the Network Cable from the Router
Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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Wireless-G Bridge for Phone Adapters
13. If the phone adapter or IP phone is in a different room, disconnect the power adapter from the electrical
outlet. Move the power adapter and Bridge to the location of the phone adapter or IP phone.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-16: Disconnect the Power Adapter Screen
14. Disconnect the Ethernet network cable from the phone adapter or IP phone.
You will use the combination Ethernet network and power cable attached to the Bridge. Connect the Ethernet
network cable of the Bridge to the phone adapter or IP phone.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-17: Disconnect the Network Cable from the Phone
Adapter Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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Wireless-G Bridge for Phone Adapters
15. Connect the power cable of the Bridge to the Power port of the phone adapter or IP phone. Then connect the
power adapter to an electrical outlet.
Make sure the Bridge’s Ethernet and Wireless LEDs are solidly lit or flashing.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-18: Connect the Attached Bridge Power Cable to the
Phone Adapter Screen
16. Make sure your cable connections match the cable connections shown on-screen.
Click Next to proceed, or click Back to return to the previous screen.
Figure 4-19: Wireless is Now Active Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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17. The Congratulations screen will appear. Click Exit to exit the Setup Wizard, or click Online Registration to
Congratulations! Setup is complete.
Figure 4-20: Congratulations Screen
Chapter 4: Setting Up and Connecting the Wireless-G Bridge for Phone Adapters
Running the Setup Wizard
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Wireless-G Bridge for Phone Adapters
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
Bridge for Phone Adapters. Read the description below to solve your problems. If you can't find an answer here,
Common Problems and Solutions
1. The Setup Wizard cannot detect the Wireless-G Bridge for Phone Adapters.
The Bridge cannot be configured over the wireless network. Confirm that the Bridge is properly connected to
your network router or PC running the Setup Wizard. Make sure the Ethernet network cable is securely
connected and the Ethernet LED should be solidly lit or flashing.
2. The speed of the wireless connection is very slow.
If there is significant traffic (“noise”) in your wireless environment, then the speed will drop. Make sure you
have a clear line of sight between your wireless devices. Also, some electrical and electronic devices
generate interference. You can often locate these by checking wireless data transmission speeds by powering
on and off a different device, one at a time.
3. The Linksys phone adapter or IP phone connected to the Bridge does not have a valid IP address.
This problem does not involve the Bridge (the Bridge only provides a connection between the wireless
network and the phone adapter or IP phone). Make sure the phone adapter or IP phone has been configured
properly, so that it is assigned a valid IP address. (The Bridge does not have its own IP address.)
4. The Setup Wizard reported that the Bridge has successfully connected to the wireless network; however, the
wireless connection does not seem to be working.
There may be an error with the Bridge’s security settings. Make sure you have written down the correct
settings for your wireless network. Then run the Setup Wizard for the Bridge. Check the following:
•
If your wireless network has its security enabled, make sure the WEP key and other settings you entered
during the Bridge’s Setup Wizard are correct.
•
If your wireless network has its security disabled, make sure no WEP key or other security setting was
entered during the Bridge’s Setup Wizard.
Appendix A: Troubleshooting
Common Problems and Solutions
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Wireless-G Bridge for Phone Adapters
Frequently Asked Questions
Which Linksys products will the Bridge work with?
The Bridge will work with these Linksys phone adapters and IP phones, listed by model number: PAP2, SPA1001,
SPA2000, SPA2002, SPA3000, SPA2100, SPA841, SPA842, SPA941, SPA942, and SPA9000. Do not use the Bridge
with any other products; otherwise, this may cause malfunction or even damage your equipment.
The Bridge does not include a power adapter. How do I supply power to it?
The Bridge uses the power adapter for your Linksys phone adapter or IP phone. A combination power and
Ethernet network cable is attached to the Bridge. You will use the power adapter and this cable to power the
Bridge and your Linksys phone adapter or IP phone. Refer to “Chapter 4: Setting Up and Configuring the
Wireless-G Bridge for Phone Adapters” for instructions.
What is the IEEE 802.11b standard?
It is one of the IEEE standards for wireless networks. The 802.11b standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11b standard.
The 802.11b standard states a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
What is the IEEE 802.11g standard?
It is one of the IEEE standards for wireless networks. The 802.11g standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11g standard.
The 802.11g standard states a maximum data transfer rate of 54Mbps and an operating frequency of 2.4GHz.
What IEEE 802.11b features are supported?
The product supports the following IEEE 802.11b functions:
•
•
•
•
•
•
CSMA/CA plus Acknowledge protocol
Multi-Channel Roaming
Automatic Rate Selection
RTS/CTS feature
Fragmentation
Power Management
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Bridge for Phone Adapters
What IEEE 802.11g features are supported?
The product supports the following IEEE 802.11g functions:
•
•
•
•
•
•
•
CSMA/CA plus Acknowledge protocol
OFDM protocol
Multi-Channel Roaming
Automatic Rate Selection
RTS/CTS feature
Fragmentation
Power Management
What is infrastructure mode?
When a wireless network is set to infrastructure mode, the wireless network is configured to communicate with a
wired network through a wireless access point.
What is roaming?
Roaming is the ability of a portable computer to communicate continuously while the user is 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 with the access point of dedicated coverage
area.
To achieve true seamless connectivity, the wireless LAN must incorporate a number of different functions. Each
node and access point, 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 access points and 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 by each access
point and the distance of each access point to the wired backbone. 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 the 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
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Bridge for Phone Adapters
worldwide. This presents a truly revolutionary opportunity to place convenient high-speed wireless capabilities in
the hands of users around the globe.
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?
The Bridge features two-fold protection in security. On the hardware side, as with Direct Sequence Spread
Spectrum technology, it has the inherent security feature of scrambling. On the software side, the Bridge offers a
variety of security methods, including WEP and WPA, to enhance security and access control. For more
information, refer to “Appendix B: Wireless Security.”
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a shared key algorithm, as described in the
IEEE 802.11 standard. For more information, refer to “Appendix B: Wireless Security.”
What is WPA?
WPA is Wi-Fi Protected Access, a wireless security protocol that can be used in conjunction with a RADIUS
(Remote Authentication Dial-In User Service) server. For more information, refer to “Appendix B: Wireless
Security.”
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Bridge for Phone Adapters
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 (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 encryption keys periodically.
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: WPA and WPA2. For encryption, WPA automatically uses Temporal Key Integrity Protocol (TKIP), which
incorporates Message Integrity Code (MIC) to provide protection against hackers. WPA2-Personal only uses
Advanced Encryption Standard (AES) encryption, which is stronger than TKIP and utilizes a symmetric 128-bit
block data encryption.
WPA. Enter a password in the Passphrase field of 8-63 characters.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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WPA2. Enter a password in the Passphrase field of 8-63 characters.
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 Bridge for Phone Adapters
Appendix C: Upgrading Firmware
To upgrade the Bridge’s firmware, follow these instructions:
1. On a computer running Windows 2000 or XP, download the upgrade application (WBP54G Upgrade
2. Extract the files on your computer’s desktop. The unzipped firmware file is a .bin file, and the program to
install the upgrade application is an .exe file named Upgrade 210. Their icons will appear on your desktop.
Figure C-1:
Icons
3. Double-click the Upgrade 210 icon to install the Upgrade Utility on your computer.
If your computer is running Windows XP, you may see a security warning screen. Click the Run button to
proceed.
Figure C-2: Security Warning for Windows
XP
4. The Welcome screen will appear. Click the Next button.
Figure C-3: Upgrade Utility Setup -
Welcome
Appendix C: Upgrading Firmware
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Wireless-G Broadband Router
5. On the Choose Destination Location screen, click the Next button.
Figure C-4: Choose Destination Location
6. When the utility has been installed, a pop-up screen will appear. Click the OK button.
7. A new window will appear on your desktop. You will use it later in step 9.
Disconnect the Bridge’s combination Ethernet network and power cable from the phone adapter or IP phone.
Figure C-5: Setup
is Complete
If your PC is in a different room, disconnect the power adapter from the electrical outlet. Move the power
adapter and Bridge to the location of your PC.
8. Connect the Ethernet network cable of the Bridge to an Ethernet network (LAN) port of the PC.
If necessary, plug the power adapter into an electrical outlet.
9. In the new window on your desktop, double-click Upgrade Utility.
Figure C-6: Start Upgrade Utility Program
Appendix C: Upgrading Firmware
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Wireless-G Broadband Router
10. The Upgrade Utility screen will appear. Click Browse, and then click Browse Targets.
Figure C-7: Upgrade Utility - Browse Targets
11. The Browsed Devices on Network screen will appear. Click the Files button.
Figure C-8: Browsed Devices on
Network Screen - Click Files
Appendix C: Upgrading Firmware
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Wireless-G Bridge for Phone Adapters
12. Select the extracted firmware file, and then click the Open button.
Figure C-9: Open Firmware File
13. The BIN File Information screen will appear. Click the OK button.
Figure C-10: BIN File Information
Screen
14. On the Browsed Devices on Network screen, select the Bridge from the Devices List, and click the Upgrade
button.
Figure C-11: Browsed Devices on
Network Screen - Select Bridge
Appendix C: Upgrading Firmware
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15. The Upgrade Utility will upgrade the Bridge’s firmware. A pop-up screen will appear when the upgrade is
complete. Click the OK button.
IMPORTANT: Do not disconnect the power adapter from the Bridge while the firmware is
being upgraded. Otherwise, damage may occur to the Bridge.
Figure C-12: Upgrade
Successful
16. Disconnect the Ethernet network cable from the PC.
If the phone adapter or IP phone is in a different room, disconnect the power adapter from the electrical
outlet. Move the power adapter and Bridge to the location of the phone adapter or IP phone.
17. Connect the Ethernet network cable of the Bridge to the phone adapter or IP phone.
18. Connect the power cable of the Bridge to the Power port of the phone adapter or IP phone.
If necessary, plug the power adapter into an electrical outlet.
Appendix C: Upgrading Firmware
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Appendix D: Windows Help
Almost 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 with an access point or wireless router, 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
This glossary contains some basic networking terms you may come across when using this product. For more
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.
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 security method that uses symmetric 128-bit block data encryption.
Bandwidth - The transmission capacity of a given device or network.
Bit - A binary digit.
Boot - To start a device and cause it to start executing instructions.
Broadband - An always-on, fast Internet connection.
Browser - An application program that provides a way to look at and interact with all the information on the World
Wide Web.
Byte - A unit of data that is usually eight bits long
Cable Modem - A device that connects a computer to the cable television network, which in turn connects to the
Internet.
Daisy Chain - A method used to connect devices in a series, one after the other.
DDNS (Dynamic Domain Name System) - Allows the hosting of a website, FTP server, or e-mail server with a fixed
Default Gateway - A device that forwards Internet traffic from your local area network.
DHCP (Dynamic Host Configuration Protocol) - A networking protocol that allows administrators to assign
temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time,
instead of assigning permanent IP addresses.
Appendix E: Glossary
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Wireless-G Bridge for Phone Adapters
DMZ (Demilitarized Zone) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from
the Internet.
DNS (Domain Name Server) - The IP address of your ISP's server, which translates the names of websites into IP
addresses.
Domain - A specific name for a network of computers.
Download - To receive a file transmitted over a network.
DSL (Digital Subscriber Line) - An always-on broadband connection over traditional phone lines.
Dynamic IP Address - A temporary IP address assigned by a DHCP server.
EAP (Extensible Authentication Protocol) - A general authentication protocol used to control network access.
Many specific authentication methods work within this framework.
Encryption - Encoding data transmitted in a network.
Ethernet - IEEE standard network protocol that specifies how data is placed on and retrieved from a common
transmission medium.
Firewall - A set of related programs located at a network gateway server that protects the resources of a network
from users from other networks.
Firmware - The programming code that runs a networking device.
FTP (File Transfer Protocol) - A protocol used to transfer files over a TCP/IP network.
Full Duplex - The ability of a networking device to receive and transmit data simultaneously.
Gateway - A device that interconnects networks with different, incompatible communications protocols.
Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a
time.
HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on the World Wide
Web.
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.
Appendix E: Glossary
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IP Address - The address used to identify a computer or device on a network.
IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.
IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking
device.
Mbps (MegaBits Per Second) - One million bits per second; a unit of measurement for data transmission.
NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different
IP address for the Internet.
Network - A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
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.
Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
Power over Ethernet (PoE) - A technology enabling an Ethernet network cable to deliver both data and power.
PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP (Point-to-Point Tunneling Protocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
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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RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires.
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.
Server - Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP (Simple Mail Transfer Protocol) - The standard e-mail protocol on the Internet.
SNMP (Simple Network Management Protocol) - A widely used network monitoring and control protocol.
SPI (Stateful Packet Inspection) Firewall - A technology that inspects incoming packets of information before
allowing them to enter the network.
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.
Static Routing - Forwarding data in a network via a fixed path.
Subnet Mask - An address code that determines the size of the network.
Switch - 1. A data switch that connects computing devices to host computers, allowing a large number of devices
to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an electrical
circuit.
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.
Telnet - A user command and TCP/IP protocol used for accessing remote PCs.
TFTP (Trivial File Transfer Protocol) - A version of the TCP/IP FTP protocol that has no directory or password
capability.
Throughput - The amount of data moved successfully from one node to another in a given time period.
Appendix E: Glossary
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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.
TX Rate - Transmission Rate.
Upgrade - To replace existing software or firmware with a newer version.
Upload - To transmit a file over a network.
URL (Uniform Resource Locator) - The address of a file located on the Internet.
VPN (Virtual Private Network) - A security measure to protect data as it leaves one network and goes to another
over the Internet.
WAN (Wide Area Network)- The Internet.
WEP (Wired Equivalent Privacy) - A method of encrypting network data transmitted on a wireless network for
greater security.
WLAN (Wireless Local Area Network) - A group of computers and associated devices that communicate with each
other wirelessly.
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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Wireless-G Bridge for Phone Adapters
Appendix F: Specifications
Model
WBP54G
Standards
Port
IEEE 802.3, IEEE 802.3u, IEEE 802.11b, IEEE 802.11g
One 5V/2A DC power input port
Ethernet and Wireless
LEDs
Cabling Type
One combo-power/Ethernet cable attached to the device
with DC power jack and RJ-45 Ethernet connector
# of Antennas
One internal Helix antenna
Connector Type
One combo-power/Ethernet cable attached to the device
with DC power jack and RJ-45 Ethernet connector
RF Pwr (EIRP) in dBm
Antenna Gain in dBi
Security Features
WEP Key Bits
13 1.5dBm (802.11g) / 17 1.5dBm (802.11b)
1 dBi
WPA2, WPA, WEP
64, 128
Dimensions
2.01" x 3.62" x 1.14"
(51 mm x 92 mm x 29 mm)
Unit Weight
Power
2.54 oz. (0.072 kg)
External, 5V DC, 2.0A (Not included, use the power
adapter shipped with Linksys phone adapter or IP
phone products)
Appendix F: Specifications
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Certifications
FCC, CE, cUL, IC-03, Wi-Fi, WPA, WPA2
0° C to 40° C (32° F to 104° F)
-20° C to 70° C (-4° F to 158° F)
10% to 85% Non-Condensing
5% to 90% Non-Condensing
Operating Temp.
Storage Temp.
Operating Humidity
Storage Humidity
Appendix F: Specifications
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Wireless-G Bridge for Phone Adapters
Appendix G: Warranty Information
LIMITED WARRANTY
Linksys warrants this Linksys hardware product against defects in materials and workmanship under normal use for the
Warranty Period, which begins on the date of purchase by the original end-user purchaser and lasts for the period
may be updated by Linksys from time to time; the version in effect at the date of purchase shall apply.
This limited warranty is non-transferable and extends only to the original end-user purchaser. Your exclusive remedy and
Linksysf entire liability under this limited warranty will be for Linksys, at its option, to (a) repair the product with new or
refurbished parts, (b) replace the product with a reasonably available equivalent new or refurbished Linksys product, or (c)
refund the purchase price of the product less any rebates. Any repaired or replacement products will be warranted for the
remainder of the original Warranty Period or thirty (30) days, whichever is longer. All products and parts that are replaced
become the property of Linksys.
EXCLUSIONS AND LIMITATIONS
This limited warranty does not apply if: (a) the product assembly seal has been removed or damaged, (b) the product has
been altered or modified, except by Linksys, (c) the product damage was caused by use with non.Linksys products, (d) the
product has not been installed, operated, repaired, or maintained in accordance with instructions supplied by Linksys, (e)
the product has been subjected to abnormal physical or electrical stress, misuse, negligence, or accident, (f ) the serial
number on the Product has been altered, defaced, or removed, or (g) the product is supplied or licensed for beta,
evaluation, testing or demonstration purposes for which Linksys does not charge a purchase price or license fee.
ALL SOFTWARE PROVIDED BY LINKSYS WITH THE PRODUCT, WHETHER FACTORY LOADED ON THE PRODUCT OR CONTAINED
ON MEDIA ACCOMPANYING THE PRODUCT, IS PROVIDED gAS ISh WITHOUT WARRANTY OF ANY KIND. Without limiting the
foregoing, Linksys does not warrant that the operation of the product or software will be uninterrupted or error free. Also,
due to the continual development of new techniques for intruding upon and attacking networks, Linksys does not warrant
that the product, software or any equipment, system or network on which the product or software is used will be free of
vulnerability to intrusion or attack. The product may include or be bundled with third party software or service offerings.
This limited warranty shall not apply to such third party software or service offerings. This limited warranty does not
guarantee any continued availability of a third party’s service for which this product’s use or operation may require.
TO THE EXTENT NOT PROHIBITED BY LAW, ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY,
SATISFACTORY QUALITY 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, BUT NOT
LIMITED TO, ANY IMPLIED WARRANTY OF NON-INFRINGEMENT, ARE DISCLAIMED. Some jurisdictions do not allow
37
Appendix G: Warranty Information
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Wireless-G Bridge for Phone Adapters
limitations on how long an implied warranty lasts, so the above limitation may not apply to you. This limited warranty gives
you specific legal rights, and you may also have other rights which vary by jurisdiction.
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 limited warranty 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.
OBTAINING WARRANTY SERVICE
you will find a variety of online support tools and information to assist you with your product. If the product proves
defective during the Warranty Period, contact the Value Added Reseller (VAR) from whom you purchased the product or
Linksys Technical Support for instructions on how to obtain warranty service. The telephone number for Linksys Technical
and proof of purchase on hand when calling. A DATED PROOF OF ORIGINAL PURCHASE IS REQUIRED TO PROCESS
WARRANTY CLAIMS. If you are requested to return your product, you will be given a Return Materials Authorization (RMA)
number. You are responsible for properly packaging and shipping your product to Linksys at your cost and risk. You must
include the RMA number and a copy of your dated proof of original purchase when returning your product. Products
received without a RMA number and dated proof of original purchase will be rejected. Do not include any other items with
the product you are returning to Linksys. Defective product covered by this limited warranty will be repaired or replaced
and returned to you without charge. Customers outside of the United States of America and Canada are responsible for all
shipping and handling charges, custom duties, VAT and other associated taxes and charges. Repairs or replacements not
covered under this limited warranty will be subject to charge at Linksys’ then-current rates.
TECHNICAL SUPPORT
This limited warranty is neither a service nor a support contract. Information about Linksys’ current technical support
warranty is governed by the laws of the jurisdiction in which the Product was purchased by you. Please direct all inquiries
to: Linksys, P.O. Box 18558, Irvine, CA 92623
38
Appendix G: Warranty Information
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Appendix H: Regulatory Information
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with 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 and, if not installed and
used in accordance with 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 can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate this equipment.
IMPORTANT NOTE: 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 & your body. To maintain compliance
with FCC RF exposure compliance requirements, please avoid direct contact to the transmitting antenna during
transmitting.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
We declare that the product is limited in CH1~CH11 by specified firmware controlled in the USA.
Appendix H: Regulatory Information
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Dual-Band Wireless Access Point
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.
Industry 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.
This device complies with Industry Canada ICES-003 and RSS210 rules.
IC Statement
Operation is subject to the following two conditions:
1. This device may not cause interference and
2. This device must accept any interference, including interference that may cause undesired operation of the device.
L'utilisation de ce périphérique dans un système utilisé partiellement ou totalement en extérieur peut conduire l'utilisateur
à l'obtention d'une licence pour ce système conformément aux règles en vigueur au Canada.
Cet appareil est conforme aux normes NMB-003 et RSS210 d'Industrie Canada.
Déclaration d'Industrie Canada
Le fonctionnement est soumis aux conditions suivantes :
1. Ce périphérique ne doit pas causer d'interférences;
2. Ce périphérique doit accepter toutes les interférences reçues, y compris celles qui risquent d'entraîner un
fonctionnement indésirable.
Appendix H: Regulatory Information
40
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Wireless-G Bridge for Phone Adapters
User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic
Equipment (WEEE)
This document contains important information for users with regards to the proper disposal and recycling of Linksys
products. Consumers are required to comply with this notice for all electronic products bearing the following symbol:
Appendix H: Regulatory Information
41
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Wireless-G Bridge for Phone Adapters
Appendix H: Regulatory Information
42
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Wireless-G Bridge for Phone Adapters
Appendix H: Regulatory Information
43
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Wireless-G Bridge for Phone Adapters
Appendix H: Regulatory Information
44
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Dual-Band Wireless Access Point
Appendix H: Regulatory Information
45
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Wireless-G Bridge for Phone Adapters
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:
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
46
Appendix I: Contact Information
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