Mobile Mark wap11 Network Card User Manual
Contents
1. WARE OR ITS DOCUMENTATION LINKSYS DOES NOT OFFER REFUNDS FOR ANY PRODUCT Linksys makes no warranty or representation expressed implied or statuto ry with respect to its products or the contents or use of this documentation and all accompanying software and specifically disclaims its quality performance mer chantability or fitness for any particular purpose Linksys reserves the right to revise or update its products software or documentation without obligation to notify any individ ual or entity Please direct all inquiries to Linksys PO Box 18558 Irvine CA 92623 FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide rea sonable protection against harmful interference in a residential installation This equip ment generates uses and can radiate radio frequency energy and if not installed and used according to the instructions may cause harmful interference to radio communi cations However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equip2. PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCI DENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCUMENTATION LINKSYS DOES NOT OFFER REFUNDS FOR ANY PRODUCT LINKSYS OFFERS CROSS SHIPMENTS A FASTER PROCESS FOR PRO CESSING AND RECEIVING YOUR REPLACEMENT LINKSYS PAYS FOR UPS GROUND ONLY ALL CUSTOMERS LOCATED OUTSIDE OF THE UNITED STATES OF AMERICA AND CANADA SHALL BE HELD RESPONSIBLE FOR SHIPPING AND HANDLING CHARGES PLEASE CALL LINKSYS FOR MORE DETAILS Wrreless Network Access Point Appendix F Contact Information For help with the installation or operation of this product contact Linksys Technical Support at one of the phone numbers or Internet addresses below 800 546 5797 LINKSYS 866 242 8558 Sales Information Technical Support RMA Issues 949 271 5461 Fax 949 265 6655 Email support linksys com Web http www linksys com FTP Site ftp linksys com 47 Lal inxsvs p ma w w G w http Awww linksys com Copyright 2OO2 Linksys All Rights Reserved
3. are more than one displayed select the Access Point by ap marie clicking on it and click the Yes button to continue or No to exit the Setup Wizard Welcome WA Mimmi ye KA peg Fig ry pu Bai i L TH Pa Ti Saag O Ku K ku R ee Ta Ai Ace F t Li B wa raen gere res Wiralnss Access Point scrap Wizard YA GHz mia m mh Conzratulaipons P M esi cas POEM dd Bar p H E nd M TI ee rji yams Pd a m sma ra C an sari IR sl 614 RB re hap Pe L IH I ra Figure 5 1 NL EEL I E LEE HR 3 The following screen shown in Figure 5 2 displays how there are two ways r as to configure the Access Point in this Setup Wizard Optimally you should perform this setup through a PC on your wired network You can also set up the Access Point through one of the PCs on your wireless network Click the Next button to continue or Exit to exit the Setup Wizard Pamesa 5 As shown in Figure 5 4 the Basic Settings screen will now appear Enter your wireless network s SSID select the channel at which the network broadcasts its wireless signal and enter a unique access point name for the D P E Eres ala Briag Beia Access Point Then click the Next button to continue or Back to previous a T H Access Point crap Yad ace AGH m 185 page are PP SSID The SSID is the unique name shared amons all points in a wireless network The SSID must be identical for all points in the wireless net a nF vala work It is case
4. click the Next button to continue or Back to pre vious page UnkSsys aren Reer re Wireless Acpeass Point Scrip Wizard TAG rer Secumiiv Settings GOpisanalk WEP 64 LIE or 255 hils da wega mababan e Tia eater rcal np a AEA ra ravza r Tut e a nfe ra EO TE F TE sei Ederna dr d t Q ar Di Pe ERIE H TRR ER r EBRE C T menos Tta aes md E KP oe YZ M rare ee eg E A aqa ai T member C ere PU Te eare Uen Yana PID E K Be SE Tre eE PB ce Figure 5 7 Wrreless Network Access Point 9 The next screen Figure 5 8 will allow you to review your settings If these settings are correct click the Yes button to save these settings If there are any problems with the settings click the No button and you will return to the screen shown in Figure 5 2 LT L P P Rw Sven gerse eran Wiralpss e Ha scrip cea eve tte LTE Confirm NEW Settings Figure 5 8 10 At this point the configuration performed with the Setup Wizard is com plete as shown in Figure 5 9 To configure any other Access Points in your network you can run this Setup Wizard again Click the Exit button to exit the Setup Wizard UT linssys iaaii iaia gt Baba Wiraieas Access Paint schap izard Gs oie d es Congratulations barier Ttaran Figure 5 9 13 Instant Wreless Series Chapter 6 Configuring the Wireless Network Access Point Note The Access Point is designed to function properly after using the Set
5. confirm the WEP change to mandatory as shown in Figure 6 3 Click the OK button to enable WEP Encryption or Cancel to return to the Setup Screen This will open the WEP Key Setting screen Figure 6 4 From this screen you can select the type of WEP encryption to use as well as set the Passphrase for that encryption From the pull down menu at the top of the screen select 64 bit 128 bit or 256 bit encryption Important Always remember that each point in your wireless net work MUST use the same WEP Encryption method and encryption key or your wireless network will not function properly Wrreless Network Access Point 9 rei ben eo Bpad lee lupa P raa n am Hag Snn E mng Hag i Dalai TE Bey Figure 6 4 The Mode pull down menu will allow you to set the Passphrase in Hexadecimal or ASCII characters Hexadecimal characters on your keyboard are the letters A through F and the numbers 0 through 9 while ASCH characters are any character on your keyboard There are two ways to create WEP Encryption keys The first method is by typ ing a Passphrase into that field and clicking the Generate button This will gen erate WEP Encryption keys based upon that passphrase A second method is to type the WEP Encryption key in the available fields manually SETTING THE AP MODE The Access Point offers four modes of operation Access Point Access Point Client Wireless Bridge and Wireless Bridg
6. defaults Changing the sign on password for the Access Point is as easy as typing the password into the AP Password field Then type it again into the second field to confirm To restore the Access Point s factory default settings click the Yes button beside Restore Factory Defaults Important Restoring the Access Point s factory defaults will erase all of your settings WEP Encryption Wireless and LAN settings etc replacing them with the factory defaults Do not reset the Access Point if you want to retain these settings 19 Instant VWreless Series r TSR TSE Tbk 1 1a ee a ee TI JT a Ba aa LA Leese ye For curity rene vp ghoul ant a pag pergi m pia AR E DL Roe Fami Ba lem Tar 8 4 eee HPE 1 CAELI E Eiri Gre PRS DH DH wasu AF aE Hi z u rm m uriar Telok Figure 6 7 Click the Apply button to apply your changes or Cancel to cancel your changes If you require online help click the Help button The Status Tab 20 The Status tab shown in Figure 6 8 will display current information on the Access Point its settings and performance e Firmware Version This displays the current version of the Access Point s firmware Firmware should only be upgraded if you experience problems with the Access Point and can be upgraded from the Help tab IP Address This IP address is the unique address to your network e Subnet Mask The Access Point s Subnet Mask also known as a I
7. products Therefore Instant Wireless products can work with Netware Windows NT 2000 or other LAN operating systems to support printer or file sharing What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a 40 bit shared key algorithm as described in the IEEE 802 11 standard What is a MAC Address The Media Access Control MAC address is a unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level For all practical pur poses this number is usually permanent Unlike IP addresses which can change every time a computer logs on to the network the MAC address of a device stays the same making it a valuable identifier for the network 31 Instant Wireless Series Appendix B Setting Up the TIP Protocol Setting Up TCP IP in Windows 32 Before a computer can communicate with the Access Point it must be config ured with the TCP IP protocol If you know how to set up TCP IP on your com puters do so now Otherwise use the guidelines below to help get TCP IP installed on all of the computers that need to communicate with the Access Point If you are unable to successfully install TCP IP on one or more comput ers after following the directions contact the manufacturer of your computers network operating system for further assistance Check with your network administrator for your TCP IP sett
8. Appendix E Warranty Information 46 Appendix F Contact Information 47 Wrreless Network Access Point Chapter 1 Introduction The Instant Wireless Network Access Point Don t be bound by cabling restrictions any longer The Instant Wireless Network Access Point from Linksys delivers the freedom to configure your net work your way Utilization of state of the art wireless technology gives you the ability to set up workstations in ways you never thought possible no cables to install means fewer expenses and fewer hassles The Instant Wireless Network Access Point s high powered antennae offer a range of operation of up to 1500 feet providing seamless roaming throughout your LAN infrastructure Advanced user authentication ensures a high level of security for wireless networking while easy to use Windows based diagnostics and statistics tools ensure that you ll always be in control Best of all the Instant Wireless Network Access Point features easy installation yjust plug it in and you re ready to go When all these features come together In one compact lightweight and power efficient unit you have the ultimate in flexible networking the Linksys Instant Wireless Network Access Point Highly Efficient Dipole Antennae Provide Extensive Range of Operation e Enjoy Your Wireless Office Beyond the Range of Ethernet Networking e Auto Fall Back Data Rate for Long Distance Communication and Noisy Environment
9. Instant Wireless Series Wireless Network Access Point k E i F a Use this guide to install WAP11 ver 2 2 gt WINKS COPYRIGHT amp TRADEMARKS Copyright 2002 Linksys All Rights Reserved Instant Wireless is a registered trade mark of Linksys Microsoft Windows and the Windows logo are registered trademarks of Microsoft Corporation All other trademarks and brand names are the property of their respective proprietors LIMITED WARRANTY Linksys guarantees that every Wireless Network Access Point is free from physical defects in material and workmanship under normal use for one year from the date of pur chase If the product proves defective during this warranty period call Linksys Technical Support in order to obtain a Return Authorization Number BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE When returning a product mark the Return Authorization Number clearly on the outside of the package and include a copy of your original proof of purchase All customers located outside of the United States of America and Canada shall be held responsible for shipping and handling charges IN NO EVENT SHALL LINKSYS LIABILITY EXCEED THE PRICE PAID FOR THE PROD UCT FROM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFT
10. P Mask which is the same as your Ethernet network Gateway This setting indicated the Network s Gateway mask only appli cable when DHCP is enabled Send and Recv The Send and Recv fields under the LAN s status display the amount of packets sent and received Some packet loss is normal in wireless networking Wrreless Network Access Point i lipa bee Lape i Map AT PEB 1 PU ans him fe FF no i ee bh Lira ef ere ee ET Tree ameen dpb the GEL cores clive wa seithe The rear kE rae STATUS tee te TT er 01 00 Rj PE AREEN PERIERE OU SS 8 s SRN 208 hh Figure 6 8 SSID The unique name shared amons all points In your wireless network Is displayed here Encryption Function The encryption method you chose in the Setup Wizard or changed from the Setup Tab of this Web based Utility is dis played here Channel The wireless channel shared by all wireless devices connected to this Access Point is displayed here Send and Recv The Send and Recv fields under the Wireless s status dis play the amount of packets sent and received Some packet loss is normal in wireless networking 21 Instant Wireless Series The Log Tab To view a log of the Access Point s activity select the Log tab shown in Figure 6 9 hia HS Tee 1 lee i ee edie Fe ka K B pn LR HA L Elisa Na Ma B Bi Ei Ja P jb oes F i DH re as E r BOTH BES j o AT L LLC Y ge p ee Una
11. When a device wants to gain access to the net work it checks to see if the network is quiet senses the carrier If it is not it waits a random amount of time before retrying If the network is quiet and two devices access the line at exactly the same time their signals collide When the collision is detected they both back off and each wait a random amount of time before retrying Database A database is a collection of data that is organized so that its con tents can easily be accessed managed and updated DHCP Dynamic Host Configuration Protocol A protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol IP addresses in an organization s network Using the Internet s set of protocol TCP IP each machine that can connect to the Internet needs a unique IP address When an organization sets up its computer users with a con nection to the Internet an IP address must be assigned to each machine Without DHCP the IP address must be entered manually at each computer and if computers move to another location in another part of the network a new IP address must be entered DHCP lets a network administrator supervise and dis tribute IP addresses from a central point and automatically sends a new IP address when a computer is plugged into a different place in the network DHCP uses the concept of a lease or amount of time that a given IP address will be valid for a computer The leas
12. and Spectrum in the vicinity of 2 4 GHz in particular is being made avail able worldwide This presents a truly revolutionary opportunity to place con venient high speed wireless capabilities in the hands of users around the globe LAN A local area network LAN is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area for example within an office building MAC Media Access Control Address A unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level Mbps MegaBits Per Second One million bits per second unit of measure ment for data transmission Multicasting Sending data to a group of nodes instead of a single destination Network A system that transmits any combination of voice video and or data between users Node A network junction or connection point typically a computer or work station Packet A unit of data routed between an origin and a destination in a network Wrreless Network Access Point Passphrase Used much like a password a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products PC Card A credit card sized removable module that contains memory I O or a hard disk Port A pathway into
13. and out of the computer or a network device such as a switch or router For example the serial and parallel ports on a personal com puter are external sockets for plugging in communications lines modems and printers RJ 45 Registered Jack 45 A connector similar to a telephone connector that holds up to eight wires used for connecting Ethernet devices Roaming The ability to use a wireless device and be able to move from one access point s range to another without losing the connection Router Protocol dependent device that connects subnetworks together Routers are useful in breaking down a very large network into smaller subnet works they introduce longer delays and typically have much lower throughput rates than bridges RTS Request To Send An RS 232 signal sent from the transmitting station to the receiving station requesting permission to transmit Server Any computer whose function in a network is to provide user access to files printing communications and other services Software Instructions for the computer A series of instructions that performs a particular task is called a program The two major categories of software are system software and application software System software is made up of control programs such as the operating system and database management sys tem DBMS Application software is any program that processes data for the user A common misconception is that software is data It i
14. bled allowing all wireless network cards in your wireless network to communi cate with the Access Point Important The Access Point will not be recognized by site sur vey utilities such as the Microsoft Windows XP Zero Configuration Utility if SSID Broadcast is disabled When you ve completed making any changes on this tab click the Apply but ton to save those changes or Cancel to exit the Web based Utility without sav ing changes For more information on this tab you can click the Help button 27 Instant Wreless Series Appendix A Troubleshooting This chapter provides solutions to problems usually encountered during the installation and operation of the Access Point Read the description below to solve your problems If you can t find an answer here check the Linksys web site at www linksys com Frequently Asked Questions 28 Can the Access Point act as my DHCP Server No The Access Point is nothing more than a wireless hub and as such cannot be configured to handle DHCP capabilities Can I run an application from a remote computer over the wireless net work This will depend on whether or not the application is designed to be used over a network Consult the application s user guide to determine if it supports oper ation over a network Can I play multiplayer games with other users of the wireless network Yes as long as the game supports multiple players over a LAN local area n
15. connected are located on the Access Point s rear panel Figure 3 2 Power Red The Power LED lights up when the Access Point is powered on ACT Green If the LED is flickering the Access Point is actively aa sending or receiving data to or from one of the devices on the gure network Dipole Antenna Connectors These two round connections are where the antennae are LINK Amber The LINK LED serves two purposes If the LED is connected to the Access Point continuously lit up the Access Point is successfully connect ed to a device through the LAN port If the LED 1s flicker LAN This LAN Local Area Network port connects to ing it is an indication of any network activity Ethernet network devices such as a hub switch or router Power The Power port Is where you will connect the power adapter Reset Button There are two ways to Reset the Access Point s factory defaults Briefly press the Reset Button for approximately ten seconds or use the Password tab of the Access Point s Web Based Utility Important Resetting the Access Point will erase all of your settings WEP Encryption Wireless and LAN settings etc and replace them with the factory defaults Instant Wreless Series Chapter 4 Connecting the Wreless Network Access Point 1 Locate an optimum location for the Access Point The best place for the Access Point is usually at the center of your wireless network with line of sight to all of your mobi
16. d multicast messages Transmission Rates The basic transfer rates should be set depending on the speed of your wireless network You must select 1 2 MBps if you have older 802 11 compliant equipment on your network such as wireless adapters that support only 1 or 2 Mbps Selecting 1 2 MBps however does not limit the basic transfer rates of faster adapters Preamble Type The preamble defines the length of the CRC block for communication between the Access Point and a roaming Network Card High network traffic areas should use the shorter preamble type Select the appropriate preamble type and click the Apply button to set it All wire less points nodes on your network should use the same preamble type Authentication Type You may choose between Open System Shared Key and Both The Authentication Type default is set to Open System Shared Key is when both the sender and the recipient share a secret key All points on your network must use the same authentication type It is rec ommended that you use the default setting Antenna Selection This selection is for choosing which antenna transmits data By default the Diversity Antenna selection used to increase recep tion is chosen Wrreless Network Access Point e SSID Broadcast For security purposes this selection can be disabled allowing only those wireless network cards with the Access Point s SSID to communicate with the Access Point By default this selection is ena
17. da 13 Channels Europe 14 Channels Japan One 10 100 RJ 45 Port UTP Category 5 or better Indoors Up to 300 ft 97 m Outdoors Up to 1500 ft 457 m Up to 11Mbps Wireless 10 100Mbps Ethernet Power Act Link Wired Link Activity 1 1 General Direct Sequence Spread Spectrum DSSS 2471 MHz 2497MHz Japan 2400MHz 2483 5MHz North America Europe Korea and Extended Japan 2455MHz 2475MHz Spain 2446 5MHz 2483 5MHz France RFMD TI ACX100 w BBP 20 dBm Wrreless Network Access Point Frequency Stability Data Modulation Type Power Voltage Power Consumption 1 2 Transmitter Within 25 ppm BPSK 1 5 5Mbps QPSK 2 11 Mbps CCK 5 5 11 Mbps 1 3 Power DC 5 0 Volt 5 AC Adapter AC 20V 5 0 Volt 2 0A Typical Environmental Dimensions Unit Weight Power Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity 7 31 x 6 16 x 1 88 186mm x 154mm x 48mm 20 5 oz 0 58 kg 5V 550mA Tx 230mA Rx FCC Class C CE Mark 0 C to 55 C 32 F to 131 F 0 C to 70 C 32 F to 158 F 0 to 70 Non Condensing 0 to 95 Non Condensing 45 46 Instant Wreless Series Appendix E Warranty Information BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE IN NO EVENT SHALL LINKSYS S LIABILITY EXCEED THE
18. ddress Automatically Click this radio button to allow the Access Point to obtain a dynamic IP address from a DHCP server Specify an IP Address This IP address must be unique to your network We suggest you use the default IP address of 192 168 1 251 As this is a pri vate IP address there is no need to purchase a separate IP address from your service provider Verify the address and click the Apply button to save changes Subnet Mask The Access Point s Subnet Mask or IP Mask must be the Same as your Ethernet network Verify this is correct and click the Apply button to set it Gateway This setting only appears when the DHCP client is enabled and the IP Address is obtained automatically It indicates the status of the gate way and is not user adjustable co ee Bria Lp ee d ag E 1 59 r x B ee F Ma Q Feen eg uwi kuman R d Iy TEUS 8 CI ad Mi Cedi sr BILA Fee ced MAT L SESI s bd Np 12 atit Fa AFi 1P LET m TEB ar rec Ras 1 K 31T T ene E una eget ee kana LE Kanun maw ee 19 TL ata N na ERS M simus ay EF Lan sm bebe scien ees 99 91 ESS j Di Hn am j Azirirg ass da E E bogs Sade m I dde s Edam ask ry er j ee 84 ali F R maii iiri I Emma a WER nerin D sss EP Gry mama Errepi Paini BEGR Phl Clee EAR NGB MRL kian Aimi s ima gam Prad MN dde Rina 0 0 m Koi Wa m 9n LA Le Em T RA kla Re m ian ui a d re Pare E bumi era Rep iin perra Br da P e ee sla
19. e Point to MultiPoint For all bridg ing modes make sure the channel SSID and WEP keys are the same e Access Point The Operational Mode is set to Access Point by default This connects your wireless PCs to a wired network In most cases no change is necessary Access Point Client When set to Access Point Client mode the Access Point Client is able to talk to one remote access point within its range This mode allows the Access Point Client to act as a client of a remote access point The Access Point Client cannot communicate directly with any wireless clients A separate network attached to the Access Point Client can then be wirelessly bridged to the remote access point Enter the required LAN MAC address of the remote access point 17 Instant Wireless Series Wireless Bridge If you are trying to make a wireless connection between two wired networks as shown in Figure 6 5 select Wireless Bridge This mode connects two physically separated LAN segments with two Access Points To configure a Wireless Bridge environment click Wireless Bridge and enter the Remote Bridge LAN MAC Address of the remote Access Point The remote Access Point also needs to be set up as a Wireless Bridge Note All devices on each wired network must be connected through a hub or switch Note In Wireless Bridge mode the Access Point can ONLY be accessed by another access point in Wireless Bridge mode In order for your other wireless d
20. e time can vary depending on how long a user is likely to require the Internet connection at a particular location It s espe cially useful in education and other environments where users change fre quently Using very short leases DHCP can dynamically reconfigure networks in which there are more computers than there are available IP addresses DHCP supports static addresses for computers containing Web servers that need a permanent IP address ST 38 Instant Mreless Series Download To receive a file transmitted over a network In a communications session download means receive upload means transmit Driver A workstation or server software module that provides an interface between a device and the upper layer protocol software running in the comput er it is designed for a specific device and is installed during the initial instal lation of a network compatible client or server operating system DSSS Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chip ping 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 orig inal data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by mos
21. e trip m Yd Gr EH p P KJ RE BCB rii IT el i 1 eee met h d ihg s 8 ae eee oe eee Figure 6 2 15 Instant Mreless Series SSID The SSID is the unique name shared amons all points in a wireless network The SSID must be identical for all points In the wireless net work It is case sensitive and must not exceed 32 alphanumeric charac ters which may be any keyboard character Make sure this setting is the same for all points in your wireless network e Channel Select the appropriate channel from the list provided to corre spond with your network settings between and 11 in North America All points in your wireless network must use the same channel in order to function correctly WEP The WEP Encryption method is Disabled by default To enable WEP or make it mandatory click the WEP Key Setting button Clicking the Backup button will store the Access Point s configuration to your PC s hard drive You can restore this information by clicking the Restore but ton Click the Apply button to apply your changes or Cancel to cancel your changes If you require online help click the Help button SETTING WEP ENCRYPTION Microsoft Internet Explorer Setting WEP Encryption through the Web based Browser Utility is done by clicking the WEP Key Setting button on the Setup Screen as shown in Figure 6 2 1 De vta vad change WEP statira bar Padala ist E Figure 6 3 A screen will pop up asking you to
22. en Pusa ir eee or Strada Iaa O Enah ke 2 IEE Figure 6 9 To enable logging activity click the Enable radio button beside Access Log The default setting for this function is Disable The Send Log to option designates from which PC you can view the log Third party View Log software is required to take advantage of this option To view the log click the View Log button Click the Apply button to apply your changes or Cancel to cancel your changes If you require online help click the Help button The Help Tab For help on the various tabs in this Web based Utility along with upgrading the Access Point s firmware and viewing this User Guide click the Help tab shown in Figure 6 10 The help files for the various tabs in this Web based Utility are listed by tab name on the left hand side of the screen 22 Wrreless Network Access Point I ao PETA 281 fi im fu FF i Tumasa i mi iB Lirie TE Ea C Aree ari i ear Online Resources Figure 6 10 The following resources require an Internet connection in order to access them Click the Linksys Website link to connect to the Linksys homepage for Knowledgebase help files and information about other Linksys products For an Online Manual in PDF format click that text link The manual will appear in Adobe pdf format If you do not have the Adobe PDF Reader installed on your computer click the Adobe Website link or go to the Setup Wizard CD ROM
23. et work Refer to the game s user guide for more information What is the IEEE 802 11b standard The IEEE 802 11b Wireless LAN standards subcommittee is formulating a standard for the industry The objective is to enable wireless LAN hardware from different manufacturers to communicate What IEEE 802 11 features are supported The product supports the following IEEE 802 11 functions CSMA CA plus Acknowledge protocol Multi Channel Roaming Automatic Rate Selection RTS CTS feature Fragmentation Power Management What is Ad hoc An Ad hoc wireless LAN is a group of computers each with a WLAN adapter connected as an independent wireless LAN An Ad hoc wireless LAN is appli cable at a departmental scale for a branch or SOHO operation Wrreless Network Access Point What is Infrastructure An integrated wireless and wired LAN is called an Infrastructure configura tion Infrastructure is applicable to enterprise scale for wireless access to a cen tral database or wireless application for mobile workers What is Roaming Roaming is the ability of a portable computer user to communicate continu ously while moving freely throughout an area greater than that covered by a single Access Point Before using the roaming function the workstation must make sure that it is the same channel number as the Access Point of the dedi cated coverage area To achieve true seamless connectivity the wireless LAN must incor
24. evices include hubs switches routers and gateways Most large networks contain several levels of interconnection the most impor tant of which include edge connections backbone connections and wide area connections Upgrade To replace existing software or firmware with a newer version Upload To transmit a file over a network In a communications session upload means transmit download means receive UTP Unshielded twisted pair is the most common kind of copper telephone wiring Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company To reduce crosstalk or electro magnetic induction between pairs of wires two insulated copper wires are twisted around each other Each signal on twisted pair requires both wires Since some telephone sets or desktop locations require multiple connections twisted pair is sometimes installed in two or more pairs all within a single cable WEP Wired Equivalent Privacy A data privacy mechanism based on a 64 bit 128 bit or 256 bit shared key algorithm as described in the IEEE 802 11 standard 43 Instant Wireless Series Appendix D Specifications Standards Channels Ports Cabling Type Operating Range Wireless Data Rate LEDs Emission Type RF Frequency Radio Chipset MAC Controller Power Output IEEE 802 3 10BaseT IEEE 802 3u 100BaseTX IEEE 802 11b Wireless 11 Channels US Cana
25. evices to access the Access Point you must reset it to Access Point mode The two modes are mutually exclusive Figure 6 5 Wireless Bridge Point to MultiPoint If you are trying to make a wireless connection between more than two wired networks as shown in Figure 6 6 select Wireless Bridge Point to MultiPoint This mode allows you to construct a network that has multiple Access Points bridging wirelessly To configure a Wireless Bridge Point to MultiPoint environment click Wireless Bridge Point to MultiPoint for the Access Point used in LAN 1 No MAC Address binding is needed Then set the Access Points in LAN 2 and LAN 3 to Point to Point and have them look for the MAC Address of the Access Point in LAN 1 Wrreless Network Access Point Only one of the Access Points must be in Point to MultiPoint mode For all other bridged Access Points select the Point to Point option and enter the Remote LAN MAC Address of the Access Point set to Point to MultiPoint Note Linksys recommends bridging no more than three remote LANs in Wireless Bridge Point to MultiPoint mode Bridging addi k tional remote LANs will result in a significant decrease in bandwidth Figure 6 6 Click the Apply button to apply your changes or Cancel to cancel your changes If you require online help click the Help button The Password Tab The Password tab shown in Figure 6 7 allows you to change the Access Point s password and restore factory
26. hat 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 transmis sion 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 WLAN features two fold protection in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security fea ture of scrambling On the software side the WLAN series offers the encryp tion function WEP to enhance security and access control Users can set it up depending upon their needs Wrreless Network Access Point Can Instant Wireless products support file and printer sharing Instant Wireless products perform the same function as LAN
27. ing the number of computers on your wireless network For computers one through ten on your wireless network 1 10 is selected by default If you have more than ten computers on your wireless network use this pull down menu to select 11 20 21 30 etc up to a maximum of 50 MAC Addresses Then type the MAC Address es you wish to filter in the MAC Address fields When you ve completed making any changes on this tab click the Apply but ton to save those changes or Undo to exit the Web based Utility without saving changes For more information on this tab you can click the Help button 24 Wrreless Network Access Point The Wireless Tab tip 952 dEi S erie ber ies ker free eee Ee fee Prie Dea Ll E mm i ied JH Li erra kum s a i cee En ka fers Se 1 ie eS REC 0 5 Ohee Trap eee Ae ieg Kde eee eee BTS Thee P goir d ki m mu CT eee ee d eee sim mi De sms WIRELESS fea Pee Ba L irar ganh Lote BUS D muku d TIE range ete jair ei Sas Filipe Thrush ab Iriga Bes 9 1 60 ce E gsm rare ey DIS irra lt l range i dele iri roe eee L 3 ips 1 i 3 5 5 1 bj the Fermi hype hod Pegersble ong Pp zaradi n Briania TTS npn beeen aad ey C REI Lk Le Lefi animea Bight inimpea Dery hrie s RLH asan sm 1 n bes H rican La i bima mi bhii il a Figure 6 12 Before making any changes to the Wireless tab shown in Figure 6 12 please check your wireless settings
28. ings The directions below provide general guidelines for coming up with IP address es and subnet masks Check with your network administrator to see if you need to use specific IP addresses or DHCP settings First each computer on the network will require an IP address which is a series of numbers separated by periods identifying the PC on the network To make things simple it 19 recommended you use the following numbering scheme 192 168 1 X In this example X is a unique arbitrarily assigned number from to 254 Each computer must have its own unique X number Note Never use 0 or 255 for X These numbers are reserved by TCP IP for other uses For example if you have three computers you could number them as follows 192 168 1 17 192 168 1 44 192 168 1 126 In this case 17 44 and 126 are arbitrary numbers between 1 and 254 Each computer will also require a subnet mask which is a numerical filter that tells a computer what kinds of TCP IP data packets to accept If you re not sure which mask to use the following mask is recommended 259 25 532590 Wrreless Network Access Point The following instructions are provided as examples for reference only For complete instructions on installing and troubleshooting TCP IP consult your Windows operating system documentation TCP IP Setup for Windows 95 98 and Millennium 1 Click the Start button select Settings and open the Control Panel Inside the Contro
29. ion program that provides a way to look at and interact with all the information on the World Wide Web or PC The word browser seems to have originated prior to the Web as a generic term for user interfaces that let you browse text files online BSS Basic Service Set A group of wireless Network PC Card users and an Access Point Buffer A buffer is a shared or assigned memory area used by hardware devices or program processes that operate at different speeds or with different sets of priorities The buffer allows each device or process to operate without being held up by the other In order for a buffer to be effective the size of the buffer and the algorithms for moving data into and out of the buffer need to be Wrreless Network Access Point considered by the buffer designer Like a cache a buffer is a midpoint holding place but exists not so much to accelerate the speed of an activity as to sup port the coordination of separate activities CSMA CA Carrier Sense Multiple Access Collision Avoidance In local area networking this is the CSMA technique that combines slotted time divi sion multiplexing with carrier sense multiple access collision detection CSMA CD to avoid having collisions occur a second time This works best if the time allocated is short compared to packet length and if the number of sit uations is small CSMA CD Carrier Sense Multiple Access Collision Detection The LAN access method used in Ethernet
30. k the Bindings tab Windows will store your new bindings Click the Protocols tab Then select TCP IP Click the Properties button Select the type of network adapter you have from the Adapters box and select Specify an IP Address Enter the computer s IP Address and Subnet Mask Check with your net work administrator for your settings 10 Enter your Default Gateway 1f you have one Note a Default Gateway is not required Check with your network administrator 11 When you finish click the OK button If NT asks about WINS ignore it 12 When the Network window reappears click the Close button Restart your 34 computer when prompted TCP IP has now been successfully installed Wrreless Network Access Point TCP IP Setup for Windows 2000 1 At the Windows 2000 desktop right click My Network Places Then right click Local Area Connection Choose Properties If the TCP IP Protocol is listed for your network adapter go to step five Otherwise click the Install button When the Component Type window appears select Protocol and click the Install button Select Internet Protocol TCP IP from the list and click the OK button When the Network window reappears select TCP IP and click the Properties button Select Use the following IP Address Enter an IP Address for the computer along with a Subnet Mask and Default Gateway Then click the OK button If you do not have these val ue
31. l Panel double click the Network icon 2 If the TCP IP Protocol is listed for your network adapter go to step five Otherwise click the Add button 3 When the Component Type window appears select Protocol and click the Add button 4 Select Microsoft in the Manufacturers list and choose TCP IP in the Network Protocols list Then click the OK button 5 When the Network window reappears click TCP IP and then click the Properties button 6 Select Specify an IP Address 7 Enter an IP Address for the computer along with a Subnet Mask Click the OK button If you do not have these values consult your network adminis trator 8 When the Network window reappears click the OK button Restart your machine TCP IP has now been successfully installed 33 Instant Wreless Series TCP IP Setup for Windows NT 4 0 L Click the Start button select Settings and open the Control Panel Inside the Control Panel double click the Network icon When the Network window appears click the Protocols tab Then click the Add button Find the TCP IP protocol in the Select Network Protocol field Click on it once and then click the OK button When asked 1f you want to use DHCP choose No If asked to supply your Windows NT CD do so NT will copy the neces sary files to your system You may have to switch between the Access Point s Setup CD and the NT CD When TCP IP appears in the Network Protocols window clic
32. le stations 2 Fix the direction of the antenna Try to place it in a position which can best cover your wireless network Normally the higher you place the anten na the better the performance will be The antenna s position enhances the receiving sensitivity Both antennae should be perpendicular to the ground and parallel to each other 3 Connect a standard Ethernet network cable to the Access Point Then connect the other end of the Ethernet cable to a switch or hub The Access Point will then be connected to your 10 100 Network 4 Connect the AC Power Adapter to the Access Point s Power Socket Only use the power adapter supplied with the Access Point Use of a differ ent adapter may result in product damage Now that the hardware installation is complete proceed to Chapter 5 Setting Up the Wireless Network Access Point for directions on how to setup the Access Point Note In order for all other wireless devices to communicate with the Access Point those devices must be operating in the Infrastructure Mode If any wireless devices are configured in the Ad Hoc Mode they will not be recognized by the Access Point Wrreless Network Access Point Chapter 5 Setting Up the Wireless Network Access Point Have You Connected the Access Point to a hub switch or router on your wired network as shown in Chapter 4 Connecting the Wireless Network Access Point Now that you ve connected the Access Point to your wi
33. ment or devices e Connect the equipment to an outlet other than the receiver s e Consult a dealer or an experienced radio TV technician for assistance FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator and your body UG WAP11 ver 2 2 071002B J L Instant Mreless Series Table of Contents Chapter 1 Introduction 1 The Instant Wireless Network Access Point 1 Features 1 Package Contents 2 System Requirements 2 Chapter 2 Planning Your Wireless Network 3 Network Topology 3 Roaming 3 Chapter 3 Getting to Know the Wireless Network Access Point d The Wireless Network Access Point s Ports 4 The Wireless Network Access Point s LEDs 3 Chapter 4 Connecting the Wireless Network Access Point 6 Chapter 5 Setting Up the Wireless Network Access Point 7 Chapter 6 Configuring the Wireless Network Access Point 14 The Setup Tab 14 The Password Tab 19 The Status Tab 20 The Help Tab 22 The Filter Tab 23 The Wireless Tab 23 Appendix A Troubleshooting 28 Frequently Asked Questions 28 Appendix B Setting Up the TCP IP Protocol 32 Setting Up TCP IP in Windows 32 TCP IP Setup for Windows 95 98 and Millennium 33 TCP IP Setup for Windows NT 4 0 34 TCP IP Setup for Windows 2000 35 Appendix C Glossary 36 Appendix D Specifications 44 Environmental 45
34. on other systems as these changes will alter the effectiveness of the Access Point In most cases these settings do not need to be changed e Beacon Interval This value indicates the frequency interval of the beacon A beacon is a packet broadcast by the Access Point to keep the network syn chronized A beacon includes the wireless LAN service area the AP address the Broadcast destination addresses a time stamp Delivery Traffic Indicator Maps and the Traffic Indicator Message TIM e RTS Threshold This value should remain at its default setting of 2 432 Should you encounter inconsistent data flow only minor modifications are recommended 25 26 Instant Wreless Series Fragmentation Threshold This specifies the maximum size a data pack et will be before splitting and creating a new packet and should remain at its default setting of 2 346 A smaller setting means smaller packets which will create more packets for each transmission Only minor modifications of this value are recommended DTIM Interval This value indicates the interval of the Delivery Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast mes sages When the Access Point has buffered broadcast or multicast messages for associated clients it sends the next DTIM with a DTIM Interval value Access Point Clients hear the beacons and awaken to receive the broadcast an
35. onitoring of spread spectrum signals is extremely difficult if not downright impossible depending on the particular method Firmware Programming that is inserted into programmable read only mem ory programmable read only memory thus becoming a permanent part of a computing device Fragmentation Breaking a packet into smaller units when transmitting over a network medium that cannot support the original size of the packet Gateway A device that interconnects networks with different incompatible communications protocols Hardware Hardware is the physical aspect of computers telecommunica tions and other information technology devices The term arose as a way to dis tinguish the box and the electronic circuitry and components of a computer from the program you put in it to make it do things The program came to be known as the software Hub The device that serves as the central location for attaching wires from workstations Can be passive where there is no amplification of the signals or active where the hubs are used like repeaters to provide an extension of the cable that connects to a workstation IEEE The Institute of Electrical and Electronics Engineers The EEE describes itself as the world s largest technical professional society promoting the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession and the well being of our member
36. porate 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 under takes 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 sys tem 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 acknowl edgment from its original Access Point it undertakes a new search Upon find ing a new Access Point it then re registers and the communication process continues What is BSS ID A specific Ad hoc LAN is called a Basic Service Set BSS Computers in a BSS must be configured with the same BSS ID What is ESSID An Infrastructure configuration could also support roaming capability fo
37. r mobile workers More than one BSS can be configured as an Extended Service Set ESS Users within an ESS could roam freely between BSSs while main taining a continuous connection to the wireless network stations and Access Points 29 30 Instant Wreless Series What is ISM band The FCC and thetr counterparts outside of the U S have set aside bandwidth for unlicensed use in the ISM Industrial Scientific and Medical band Spectrum in the vicinity of 2 4 GHz in particular is being made available worldwide This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in the hands of users around the globe What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique devel oped by the military for use in reliable secure mission critical communica tions 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 W
38. red network you are ready to begin setting it up This Setup Wizard will take you through all the steps necessary to get the Access Point connecting your wireless network to your wired network and communicating more efficiently Note While the Access Point has been designed to work correct ly right out of the box setting it up on a wireless computer will _ require you to use the Linksys default settings These settings can then be changed with the Web based Browser Utility 1 Insert the Setup Wizard CD into your PC s CD ROM drive Optimally your PC should be on your wired network 2 The screen in Figure 5 1 should appear on your monitor If it does not this means the autorun is not functioning Start the autorun manually by click ing the Start button selecting Run and typing d setup exe where D is your PC s CD ROM drive Click the Setup button to continue this Setup Wizard Clicking the User Guide button opened this User Guide To access the Linksys web site on an active Internet connection click the Linksys Web button or to exit this Setup Wizard click the Exit button Instant Wreless Series Wireless Network Access Point 4 The next screen to appear shown in Figure 5 3 will display a list of access points on your network along with the status information for each access pl w LT Linas alar Dar LT point If this is the only access point on your network it will be the only one AGE win displayed If there
39. rk has a DHCP server you will want to click the radio button beside Set IP Address Manually to select this option Enter an IP Address and IP Mask appro priate to your network Then click the Next button to continue or Back to pre vious page LS Linssys fer es tee Wireless Aoness Point Scrap Wizard p AGH we 1 e H aT IP Settings akrama aie ora real piam ire Fanie erties mn hep a wee gee kum r K s s EF E ee end LEE GMA K bet Sas hae 940 C D RB eg E ha Pooper gradu Dr da se arb rs a UE adren ES A OF piire manie manini mC km be nigin dress Pare Mrr Sha Ren F ite Fa ITH RT Opa FE 4r ee A R TIP oo BK 1 rE an es risas BH CA po att ee oo R ote F na HCH ee H PL er ka Lisp re Beton bp cick Et ani Figure 5 5 Wrreless Network Access Point e IP Address This IP address must be unique to your network The default IP address of 192 168 1 251 As this is a private IP address there is no need to purchase a separate IP address from your service provider e IP Mask The Access Point s IP Mask also known as a Subnet Mask must be the same as your Ethernet network e Gateway This setting only appears when the DHCP Automatically obtain an IP Address option is enabled it indicates the status of the gateway and is not user adjustable The Security Settings screen Figure 5 6 will appear next From this screen you will set the Wired Equivalent Privacy WEP encryption for your
40. rt of the host ID address field into a field for subnets Switch 1 A data switch 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 cir cuit TCP Transmission Control Protocol A method protocol used along with the Internet Protocol Internet Protocol to send data in the form of message units between computers over the Internet While IP takes care of handling the actual delivery of the data TCP takes care of keeping track of the individual units of data called packet that a message is divided into for efficient routing through the Internet TCP IP Transmission Control Protocol Internet Protocol The basic com munication language or protocol of the Internet It can also be used as a com munications protocol in a private network either an intranet or an extranet When you are set up with direct access to the Internet your computer is pro vided with a copy of the TCP IP program just as every other computer that you may send messages to or get information from also has a copy of TCP IP Wrreless Network Access Point Throughput The amount of data moved successfully from one place to anoth er in a given time period Topology A network s topology is a logical characterization of how the devices on the network are connected and the distances between them The most common network d
41. s The IEEE fosters the development of standards that often become national and international standards The organization publishes a number of journals has many local chapters and several large societies in special areas such as the IEEE Computer Society Infrastructure An infrastructure network is a wireless network or other small network in which the wireless network devices are made a part of the network through the Access Point which connects them to the rest of the network 39 40 Instant Mreless Series IP Address In the most widely Installed level of the Internet Protocol Internet Protocol today an IP address is a 32 binary digit number that identi fies each sender or receiver of information that is sent in packet across the Internet When you request an HTML page or send e mail the Internet Protocol part of TCP IP includes your IP address in the message actually in each of the packets if more than one is required and sends it to the IP address that is obtained by looking up the domain name in the Uniform Resource Locator you requested or in the e mail address you re sending a note to At the other end the recipient can see the IP address of the Web page requestor or the e mail sender and can respond by sending another message using the IP address it received 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 b
42. s e High Speed Data Transfer Rate Up to 11 Mbps e Interoperable with IEEE 802 11b DSSS 2 4GHz Compliant Equipment Features Roaming and Network Traffic Filtering e Extensive Operating Range Supports up to 300 ft Indoors and 500 feet Outdoors Up to 256 Bit Wired Equivalent Privacy Supported e Free Software Driver Upgrades Compatible with Virtually All Major Operating Systems Free Technical Support 24 Hours a Day 7 Days a Week for North America Only e 1 Year Limited Warranty Instant Mreless Series Figure 1 1 Package Contents One Instant Wireless Wireless Network Access Point e One AC Power Adapter One Setup Wizard CD ROM with User Guide Two Detachable Antennae One Quick Installation and Registration Card not shown e One CAT 5 Ethernet Cable not shown System Requirements e A Windows 95 98 Millennium NT version 4 0 2000 or XP PC e Internet Explorer ver 4 0 or higher e One CD ROM Drive Wrreless Network Access Point Chapter 2 Planning Your Wireless Network Network Topology A wireless LAN is a group of computers each equipped with one Instant Wireless Series adapter Computers in a wireless LAN must be configured to share the same radio channel The Instant Wireless Series adapters provide access to a wired LAN for wire less workstations An integrated wireless and wired LAN is called an Infrastructure configuration A group of Instant Wireless Serie
43. s consult your network administrator When the Network window reappears click the OK button Restart your computer TCP IP has now been successfully installed 35 36 Instant Mreless Series Appendix C Clossary Adapter Printed circuit board that plugs into a PC to add to capabilities or connectivity to a PC In a networked environment a network interface card is the typical adapter that allows the PC or server to connect to the intranet and or Internet Ad hoc Network An ad hoc network is a wireless network or other small net work in which some of the network devices are part of the network only for the duration of a communications session while in some close proximity to the rest of the network Backbone The part of a network that connects most of the systems and net works together and handles the most data Bandwidth The transmission capacity of a given facility in terms of how much data the facility can transmit in a fixed amount of time expressed in bits per second bps Beacon Interval A beacon is a packet broadcast by the Access Point to keep the network synchronized A beacon includes the wireless LAN service area the AP address the Broadcast destination addresses a time stamp Delivery Traffic Indicator Maps and the Traffic Indicator Message TIM Bit A binary digit The value 0 or 1 used in the binary numbering system Also the smallest form of data Browser A browser is an applicat
44. s adapter users and an Instant Wireless Wireless Network Access Point compose a Basic Service Set BSS Each Instant Wireless Series adapter PC in a BSS can talk to any computer in a wired LAN infrastructure via the Instant Wireless Wireless Network Access Point An infrastructure configuration extends the accessibility of an Instant Wireless Series adapter PC to a wired LAN and doubles the effective wire less transmission range for two Instant Wireless Series adapter PCs Since the Wireless Network Access Point is able to forward data within its BSS the effective transmission range in an infrastructure LAN is doubled Infrastructure mode also supports roaming capabilities for mobile users More than one BSS can be configured as an Extended Service Set ESS This con tinuous network allows users to roam freely All PCs equipped with an Instant Wireless Series adapter must be configured with the same SSID and use the same radio channel Before enabling a network with roaming capability choosing a feasible radio channel and optimum Wireless Network Access Point position is recommend ed Proper Wireless Network Access Point positioning combined with a clear radio signal will greatly enhance performance Instant Wreless Series Wireless Network Access Point Chapter 3 Getting to Know the Wireless Network Access Point The Wireless Network Access Point s Ports The Access Point s ports where a network cable is
45. s not Software tells the hardware how to process the data SOHO Small Office Home Office Market segment of professionals who work at home or in small offices 41 42 Instant Wreless Series Spread Spectrum Spread Spectrum technology is a wideband radio frequen cy technique developed by the military for use in reliable secure mission crit ical communications systems It 1s designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is con sumed 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 SSID Service Set Identifier A unique name shared among all points in a wireless network The SSID must be identical for each point in the wireless network and is case sensitive Also known as ESSID Static IP Address A permanent IP address that is assigned to a node in an IP or a TCP IP network Subnet Mask The method used for splitting IP networks into a series of sub groups or subnets The mask is a binary pattern that is matched up with the IP address to turn pa
46. sensitive and must not exceed 32 characters which may Banai rantai unus be any keyboard character Make sure this setting is the same for all Pr ee ee ee L Cava age Dani i ed points in your wireless network How do vii intend to eonmect weir Wireless Access Point Cheer dy pnt kaer mar ie vee ecr ey pal at c mipi rre S Channel Select the appropriate channel from the list provided to corre Ler pusa Pre MAMA Bram F a KE R lt W e r Cree ue Samar E spond with your network settings between 1 and 11 in North America PDO FME TE LRE 04 t N K r sare rere All points in your wireless network must use the same channel in order to function correctly Figure 5 2 Instant Wreless Series KLS l P E Rs avan Prema ren Wiralpss Acpasxs Point NOTE Paa RSS S ERIT Ba ki Settings ee H L aa Eyma O lbe 189 n a iant e bhe dird aG ee MES par annus es ee r ba Fa a Eos H Topi Cer Td SD 1 ZEE ees M SE ct kampa L Tanca The Chapi r a z lt mn HEE P sreg sil pr DS wee Poe Chere b m ae eied Tisa AP Bi geng m B ei d tami ee Enga Gea dgn Ke KG i uka b Pia Ra TEE MAPA Boe PdP ee Figure 5 4 Access Point Name You may assign any name to the Access Point Unique memorable names are helpful especially if you are employing multiple access points on the same network As shown in Figure 5 5 the IP Settings screen will appear next Unless your net wo
47. t nar rowband receivers DTIM Delivery Traffic Indication Message A DTIM field is a countdown field informing clients of the next window for listening to broadcast and mul ticast messages When the AP has buffered broadcast or multicast messages for associated clients it sends the next DTIM with a DTIM Interval value AP Clients hear the beacons and awaken to receive the broadcast and multicast messages Dynamic IP Address An IP address that is automatically assigned to a client station in a TCP IP network typically by a DHCP server Network devices that serve multiple users such as servers and printers are usually assigned static IP addresses Encryption A security method that applies a specific algorithm to data in order to alter the data s appearance and prevent other devices from reading the information ESS More than one BSS in a network Ethernet EEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium Has a transfer rate of 10 Mbps Forms the underlying transport vehicle used by several upper level protocols including TCP IP and XNS Wrreless Network Access Point FHSS Frequency Hopping Spread Spectrum FHSS continuously changes the center frequency of a conventional carrier several times per second accord ing to a pseudo random set of channels while chirp spread spectrum changes the carrier frequency Because a fixed frequency is not used illegal m
48. to download this software To download from the CD ROM click the Start button and select Run Type D Acrobat where D is the letter of your CD ROM drive Firmware can be upgraded by clicking the Upgrade Firmware link Do not upgrade your firmware unless you are experiencing problems with the Access Point The Filter Tab The Filter tab shown in Figure 6 11 allows you to block or allow certain com puters by their MAC Address from communicating with the Access Point To enable filtering of computers by their MAC Addresses click the Enable radio button To disable this feature click the radio button by Disable 23 Instant Wreless Series a Dg a Tao tal C I IP TT eee bee bee E Ma 17 92 L 91 FE ae Cae Laie 6 mla YTP Sia Rr mp ee an Eimi sibi you IG pee terisi Pe aga our egl fore oS HEF AEE Filter Fitered M IPE PISUM Frid eee ore ET am hF MMC Kim teti e 19 ala r a O Keng afma Pel sis Mat eed alrae bo Cap risqayku ip ka l THE Mao Z wat H VAT 8 MAC 3 Mao MAD T LAE HI Via 9 r SAL IH ham sda nes Figure 6 11 Next determine if the Access Point will deny access only to the MAC addresses you will specify OR if the Access Point will allow access only to the MAC Addresses you will specify Click the radio button next to the option that is appropriate Above the MAC Address fields there is a pull down menu This pull down menu is for select
49. up Wizard This chapter is provided solely for those who wish to perform more advanced configuration or monitoring The Access Point has been designed to be functional right out of the box with the default settings in the Setup Wizard However if you d like to change these settings the Access Point can be configured through your web browser with the Web Based Utility This chapter explains how to configure the Access Point in this manner Open your web browser Connect to LE LB 251 and type the IP Address you entered in the Setup Wizard Press the Enter key and the following screen shown in Figure 6 1 will appear Leave the User Name field blank The first time you open the Web Based Utility use the default password admin You can set a new password on the screen shown in Figure 6 7 Figure 6 1 The Setup Tab The first screen that appears shown in Figure 6 2 is the Setup tab This allows you to change the Access Point s general settings Change these settings as described here and click the Apply button to apply your changes or Cancel to cancel your changes If you require online help click the Help button e Access Point Name You may assign any name to the Access Point Unique memorable names are helpful especially if you are employing multiple access points on the same network Verify this is the name you wish to use and click the Apply button to set it Wrreless Network Access Point Obtain an IP A
50. wired network Select a WEP configuration method and a passphrase Then click the Next button to continue or Back to previous page iy LINKSYS an repa ees Wireless Access Point Scrap azar 7 T L MB Security Scttings Optional fe een renan apna 0 Fan dione WET e ii 4 baie amani Gl eerten RL R Ste aa eee eed e doled rR Her NNT P is Daa The Ra pee Ki med kum VER EO BT EHS Tm UP hen Th eee p ee mra La SE Berries ew p POE Figure 5 6 WEP Disable 64 bit WEP 128 bit WEP 256 bit WEP In order to utilize WEP encryption select the WEP setting from the pull down menu If you do not wish to utilize WEP encryption make sure Disable is selected The Access Point s WEP encryption is unique to Linksys and may conflict with other vendors WEP encryption 11 12 Instant Mreless Series e Passphrase This is the code used when logging a wireless device onto the wireless network It is a text string with a maximum of 16 alphanu meric characters The WEP Key Settings are based upon the Passphrase determined by you Type that here This passphrase may not work with non Linksys products due to possible incompatibility with other vendors passphrase generators The following Security Settings screen shown in Figure 5 7 will allow you to enter your WEP key Each point in your wireless network must use the same WEP key for the network to function properly Verify that the appro priate key is entered and
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