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Appendix E: Glossary

Wireless-G PCI Adapter

Appendix E: Glossary

802.11b

- A wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an

operating frequency of 2.4GHz.

802.11g

- A 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

(

dvanced

ncryption

tandard) - 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.

CSMA/CA

(

arrier

ense

ultiple

ccess/

ollision

voidance) - A method of data transfer that is used to prevent

data collisions.

CTS

(

lear

end) - A signal sent by a wireless device, signifying that it is ready to receive data.

Default Gateway

- A device that forwards Internet traffic from your local area network.

DHCP

(

ynamic

ost

onfiguration

rotocol) - 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.

DNS

(

omain

ame

erver) - 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.

Содержание WMP54G

Страница 1: ...A Division of Cisco Systems Inc Model No PCI Adapter Wireless G WMP54G ver 4 1 User Guide WIRELESS GHz 2 4802 11g ...

Страница 2: ...e this Also each figure diagram screenshot or other image is provided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the Table of Contents This exclamation point means there is a caution or warning and is something that could damage your property or the Wireless G PCI Adapter This checkmark means there is a note of...

Страница 3: ... Accessing the Wireless Network Monitor 23 Link Information Screens 23 Secure Easy Setup 26 Site Survey 28 Profiles 29 Creating a New Profile 30 Appendix A Troubleshooting 45 Common Problems and Solutions 45 Frequently Asked Questions 46 Chapter B Using Windows XP Wireless Configuration 49 Appendix C Wireless Security 52 Security Precautions 52 Security Threats Facing Wireless Networks 52 Appendix...

Страница 4: ...ded for Connection 12 Figure 3 14 PSK2 Needed for Connection 12 Figure 3 15 The Congratulations Screen 13 Figure 3 16 Available Wireless Network 14 Figure 3 17 Network Settings 14 Figure 3 18 Wireless Mode 15 Figure 3 19 Ad Hoc Mode Settings 15 Figure 3 20 Wireless Security 16 Figure 3 21 Wireless Security WEP 16 Figure 3 22 Wireless Security WPA Personal 17 Figure 3 23 Wireless Security PSK2 17 F...

Страница 5: ... Figure 4 12 PSK2 Needed for Connection 29 Figure 4 13 Profiles 29 Figure 4 14 Import a Profile 29 Figure 4 15 Export a Profile 30 Figure 4 16 Create a New Profile 30 Figure 4 17 Available Wireless Network 30 Figure 4 18 Available Wireless Network 31 Figure 4 19 The Secure Easy Setup Logo and Location 31 Figure 4 20 Secure Easy Setup 31 Figure 4 21 Secure Easy Setup Complete 32 Figure 4 22 Availab...

Страница 6: ...S PEAP 41 Figure 4 39 LEAP Windows XP and 2000 42 Figure 4 40 LEAP Windows 98SE and ME 42 Figure 4 41 Advanced Wireless Settings 43 Figure 4 42 Confirm New Settings 44 Figure 4 43 The Congratulations Screen 44 Figure B 1 Wireless Network Monitor Icon 49 Figure B 2 Windows XP Use Windows XP Wireless Configuration 49 Figure B 3 Windows XP Wireless Configuration Icon 49 Figure B 4 Available Wireless ...

Страница 7: ...ed you can keep in touch with your e mail access the Internet and share files and other resources such as printers and network storage with other computers on the network At home you can surf the web or use instant messaging to chat with friends while sitting out on the patio Your wireless connection is protected by the new industrial strength security of Wireless Protected Access WPA And now with...

Страница 8: ...ll as frequently asked questions regarding installation and use of the Adapter Appendix B Windows XP Wireless Zero Configuration This chapter instructs you on how to install Window XP Wireless Zero Configuration Appendix C Wireless Security This appendix discusses security issues regarding wireless networking and measures you can take to help protect your wireless network Appendix D Windows Help T...

Страница 9: ...Chapter 1 Introduction What s in this Guide Wireless G PCI Adapter Appendix I Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support ...

Страница 10: ...t is able to forward data within a network the effective transmission range in an infrastructure network can be doubled 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 Before enablin...

Страница 11: ...ers 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 networki...

Страница 12: ... 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 Click Here to Start Click the Click Here to Start 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 1 To install the Adapter click the Click Here t...

Страница 13: ...f your desktop PC 2 Open your PC case and locate an available PCI slot on the motherboard Check with your computer manufacturer for instructions 3 Slide the PCI Adapter into the PCI slot Make sure that all of its pins are touching the slot s contacts You may have to apply a bit of pressure to slide the adapter all the way in After the adapter is firmly in place secure its fastening tab to your PC ...

Страница 14: ...st users Use this option if you already have a network set up with devices that do not have Secure Easy Setup The networks available to this Adapter will be listed on this screen You can choose one of these networks and click the Connect button to connect to it Click the Refresh button to update the Available Wireless Network list Manual Setup If you are not taking advantage of Secure Easy Setup a...

Страница 15: ...er or access point 1 Starting from the Available Wireless Network screen click the Secure Easy Setup button on the right hand side 2 You will be asked to locate the Secure Easy Setup button on the device with which the Adapter will be communicating If you are not sure where to find this button click Where can I find the button This will walk you through a couple of screens to help you find the but...

Страница 16: ... added to the network Repeat this procedure for any additional Secure Easy Setup device 4 When Secure Easy Setup is complete you may save your configuration to a text file by clicking the Save button or print the configuration by clicking the Print button Click Connect to Network to connect to your network Congratulations Setup is complete To check the link information search for available wireles...

Страница 17: ... Personal Needed for Connection screen will appear If your network utilizes PSK2 Pre Shared Key 2 encryption the PSK2 Needed for Connection screen will appear WEP Key Needed for Connection Select 64 bit or 128 bit Then enter a passphrase or WEP key 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...

Страница 18: ...key of 8 63 characters in the Passphrase field The longer and more complex your Passphrase is the more secure your network will be Then click Connect and proceed to the Congratulations screen To cancel the connection click Cancel PSK2 Needed for Connection Enter a Passphrase of 8 63 characters in the Passphrase field Then click Connect and proceed to the Congratulations screen To cancel the connec...

Страница 19: ...red for the network the Congratulations screen will appear Click Connect to Network to connect to your network Congratulations Setup is complete To check the link information search for available wireless networks or make additional configuration changes refer to Chapter 4 Using the Wireless Network Monitor Figure 3 15 The Congratulations Screen ...

Страница 20: ...not have a DHCP server click the radio button next to Specify network settings Enter an IP Address Subnet Mask Default Gateway and DNS addresses appropriate for your network You must specify the IP Address and Subnet Mask on this screen If you are unsure about the Default Gateway and DNS addresses leave these fields empty IP Address This IP Address must be unique to your network Subnet Mask The Ad...

Страница 21: ...t must be used for all the devices in your wireless network It is case sensitive and should be a unique name to help prevent others from entering your network Click Next to continue or Back to return to the previous screen 3 If you chose Infrastructure Mode go to Step 4 now If you chose Ad Hoc Mode the Ad Hoc Mode Settings screen will appear Select the correct Channel for your wireless network The...

Страница 22: ...f you are using 128 bit WEP encryption then the key must consist of exactly 26 hexadecimal characters Valid hexadecimal characters are 0 to 9 and A to F Passphrase Instead of manually entering a WEP key you can enter a passphrase in the Passphrase field so a WEP key is automatically generated This case sensitive passphrase must match the passphrase of your other wireless network devices and is com...

Страница 23: ...om the Encryption drop down menu 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 the Next button to continue or the Back button to return to the previous screen PSK2 Enter a Passphrase of 8 63 characters in the Passphrase field Click the Next button to con...

Страница 24: ...r wireless network Select the type of encryption TKIP or AES from the Encryption drop down menu Click the Next button to continue or the Back button to return to the previous screen PEAP If you selected PEAP enter the login name of your wireless network in the Login Name field Enter the password of your wireless network in the Password field Enter the name of the authentication server in the Serve...

Страница 25: ...ave installed to authenticate you on your wireless network PEAP Enter the Login name of your wireless network in the Login Name field Enter the password of your wireless network in the Password field From the Certificate drop down menu select the certificate you have installed to authenticate you on your wireless network Then select the authentication method Inner Authen used inside the PEAP tunne...

Страница 26: ...s network Windows XP and 2000 users can also enable LEAP CCKM and select the Encryption if they enabled CCX2 0 on the Advanced Wireless Settings screen Username Enter the username used for authentication Password Enter the password used for authentication Confirm Enter the password again Click the Next button to continue or click the Back button to return to the previous screen Figure 3 28 Wireles...

Страница 27: ...er the software has been successfully installed the Congratulations screen will appear Click Connect to Network to connect to your network Clicking Return to Profiles screen will open the Wireless Network Monitor s Profiles screen For more information about the Wireless Network Monitor refer to Chapter 4 Using the Wireless Network Monitor Congratulations Setup is complete To check the link informa...

Страница 28: ...status and statistics about the current wireless connection To search for available wireless networks click the Site Survey tab To perform configuration changes or create connection profiles click the Profiles tab Link Information The Link Information screen displays network mode signal strength and link quality information about the current connection It also provides a button to click for additi...

Страница 29: ... authentication method IP Address The IP Address of the Adapter is displayed here Subnet Mask The Subnet Mask of the Adapter is shown here Default Gateway The Default Gateway address of the Adapter is displayed here DNS This is the DNS address of the Adapter DHCP Client This displays the Adapter s status as a DHCP client MAC Address The MAC address of the wireless network s access point or wireles...

Страница 30: ...This shows the bytes transmitted by the Adapter in real time since connecting to the wireless network or since the Refresh Statistics button was last pressed Driver Version This shows the version of the Adapter s driver Noise Level This shows the level of background noise affecting the wireless signal A lower reading translates into a higher quality signal Signal Strength This is the intensity of ...

Страница 31: ... Before you press any buttons though you should locate the Secure Easy Setup button on the device you re connecting the Adapter to such as a wireless router or access point 1 After clicking the Secure Easy Setup button you will be asked to locate the Secure Easy Setup button on the device with which the Adapter will be communicating If you are not sure where to find this button click Where can I f...

Страница 32: ...p Wizard screen The logo or button will stop flashing on the wireless router or access point when the Adapter has been successfully added to the network Repeat this procedure for any additional Secure Easy Setup device 3 Secure Easy Setup is now complete and a configuration profile will has been created automatically You may save your configuration profile to a text file by clicking the Save butto...

Страница 33: ...less network devices are set Security The status of the wireless security feature is displayed here MAC Address The MAC address of the wireless network s access point is displayed here Refresh Click the Refresh button to perform a new search for wireless devices Connect To connect to one of the networks on the list select the wireless network and click the Connect button If the network has encrypt...

Страница 34: ...is the channel to which the wireless network devices are set Security The status of the wireless security feature is displayed here Authentication The authentication setting for the network is shown here Connect To connect to a wireless network using a specific profile select the profile and click the Connect button New Click New to create a new profile See the next section Creating a New Profile ...

Страница 35: ...rk must feature Secure Easy Setup for this to work Available Networks Use this option if you already have a network set up with devices that do not have Secure Easy Setup The networks available to this Adapter will be listed on this screen You can choose one of these networks and click the Connect button to connect to it Click the Refresh button to update the Available Wireless Network list Manual...

Страница 36: ...ck the Secure Easy Setup button on the right hand side 5 You will be asked to locate the Secure Easy Setup button on the device with which the Adapter will be communicating If you are not sure where to find this button click Where can I find the button This will walk you through a couple of screens to help you find the button which is usually located on the front of the wireless router or access p...

Страница 37: ... the Adapter has been successfully added to the network Repeat this procedure for any additional Secure Easy Setup device 7 Secure Easy Setup is now complete and a configuration profile will has been created automatically You may save your configuration profile to a text file by clicking the Save button or print the configuration by clicking the Print button Click Connect to Network to connect to ...

Страница 38: ...f your network utilizes WPA Personal Wi Fi Protected Access encryption the WPA Personal Needed for Connection screen will appear If your network utilizes PSK2 Pre Shared Key 2 encryption the PSK2 Needed for Connection screen will appear WEP Key Needed for Connection Select 64 bit or 128 bit Then enter a passphrase or WEP key Passphrase Enter a passphrase in the Passphrase field so a WEP key is aut...

Страница 39: ...mplex your Passphrase is the more secure your network will be Then click Connect and proceed to the Congratulations screen To cancel the connection click Cancel PSK2 Needed for Connection 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 Then click Connect and pro...

Страница 40: ...r with Manual Setup If you are not taking advantage of Secure Easy Setup and your network is not listed among the available networks click Manual Setup on the Available Wireless Network screen to set up the adapter manually 1 After clicking Manual Setup the Network Settings screen will appear If your network has a router or other DHCP server click the radio button next to Obtain network settings a...

Страница 41: ...r click Back to return to the Available Wireless Network screen 2 The Wireless Mode screen shows a choice of two wireless modes Click the Infrastructure Mode radio button if you want to connect to a wireless router or access point Click the Ad Hoc Mode radio button if you want to connect to another wireless device directly without using a wireless router or access point Then enter the SSID for you...

Страница 42: ...n operate in the network Click Next to continue or click Back to change any settings 4 The Wireless Security screen will appear This step will configure wireless security If your wireless network doesn t use wireless security select Disabled and then click the Next button to continue Proceed to Step 6 Select WEP WPA Personal PSK2 WPA Enterprise Radius or LEAP for the Encryption Method WEP stands f...

Страница 43: ...sitive passphrase 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 TX Key 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 TX Ke...

Страница 44: ...Type Enter a Passphrase of 8 63 characters in the Passphrase field Click the Next button to continue to the Confirm New Settings screen or the Back button to return to the previous screen PSK2 Enter a Passphrase of 8 63 characters in the Passphrase field Click the Next button to continue to the Confirm New Settings screen or the Back button to return to the previous screen Figure 4 34 Wireless Sec...

Страница 45: ...ss network Select the type of encryption TKIP or AES from the Encryption drop down menu Click the Next button to continue or the Back button to return to the previous screen PEAP If you selected PEAP enter the login name of your wireless network in the Login Name field Enter the password of your wireless network in the Password field Enter the name of the authentication server in the Server Name f...

Страница 46: ...alled to authenticate you on your wireless network PEAP Enter the Login name of your wireless network in the Login Name field Enter the password of your wireless network in the Password field From the Certificate drop down menu select the certificate you have installed to authenticate you on your wireless network Then select the authentication method Inner Authen used inside the PEAP tunnel Select...

Страница 47: ...ess network Windows XP and 2000 users can also enable LEAP CCKM and select the Encryption if they enabled CCX2 0 on the Advanced Wireless Settings screen Username Enter the username used for authentication Password Enter the password used for authentication Confirm Enter the password again Click the Next button to continue or click the Back button to return to the previous screen Figure 4 39 LEAP ...

Страница 48: ... Save Click Next to continue If these settings are not correct click Back to change your settings 6 After the software has been successfully installed the Congratulations screen will appear Click Connect to Network to connect to your network Clicking Return to Profile will open the Wireless Network Monitor s Profiles screen Congratulations Setup is complete Figure 4 40 Confirm New Settings Figure ...

Страница 49: ...lly If you see the yellow exclamation mark the resources are conflicting You will see the status of the Wireless G PCI Adapter If there is a yellow question mark please check the following Make sure that your PC has a free IRQ Interrupt ReQuest a hardware interrupt on a PC Make sure that you have inserted the right adapter and installed the proper driver If the Wireless G PCI Adapter does not func...

Страница 50: ...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 T...

Страница 51: ...al 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 transmit...

Страница 52: ...ts 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 Adapter features two fold protection in security On the...

Страница 53: ...d select Use Windows XP Wireless Configuration If you want to switch back to the Wireless Network Monitor right click the Wireless Network Monitor icon and select Use Linksys Wireless Network Monitor 1 After installing the Adapter the Windows XP Wireless Configuration icon will appear in your computer s system tray Double click the icon Figure B 1 Wireless Network Monitor Icon Figure B 2 Windows X...

Страница 54: ...oes not have wireless security enabled go to step 3 If your network does have wireless security enabled go to step 4 3 If your network does not have wireless security enabled click the Connect Anyway button to connect the Adapter to your network NOTE Steps 2 and 3 are the instructions and screenshots for Windows XP with Service Pack 2 installed Figure B 4 Available Wireless Network Figure B 5 No W...

Страница 55: ... network will appear as Connected when your connection is active For more information about wireless networking on a Windows XP computer click the Start button select Help and choose Support Enter the keyword wireless in the field provided and press the Enter key The installation of the Windows XP Wireless Configuration is complete NOTE Windows XP Wireless Configuration does not support the use of...

Страница 56: ... the WEP 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 Ch...

Страница 57: ...work 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 3 Change your W...

Страница 58: ... when a RADIUS server is connected to the Router or other device WPA Radius offers two encryption methods TKIP and AES with dynamic 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 Implementing encryption may have a negative impact on your network s performance but if you are transmitting s...

Страница 59: ...ons 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 r...

Страница 60: ...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 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 sen...

Страница 61: ...rotocol 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 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 as...

Страница 62: ...ur wireless network s name 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 tha...

Страница 63: ...K 2 Mbps DBPSK 1 Mbps 802 11g OFDM Network Protocol TCP IP IPX NetBEUI Dimensions 4 80 x 8 46 x 0 91 122 mm x 215 mm x 23 mm Unit Weight 3 17 oz 0 09 kg Certifications FCC Wi Fi Operating Temp 0 C to 65 C 32 F to 150 F Storage Temp 40 C to 85 C 40 F to 185 F Operating Humidity 0 to 95 Non Condensing Storage Humidity 0 to 95 Non Condensing Cisco Linksys LLC declares that WMP54G ver 4 1 FCC ID Q87 W...

Страница 64: ... 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 ...

Страница 65: ...ly 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 EN 609 50 Safety FCC Caution ...

Страница 66: ... 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 re...

Страница 67: ...ing with Linksys products Give our advice line a call at 800 546 5797 LINKSYS Or fax your request in to 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...

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