WN-250USB User`s Guide
Contents
1. Clicking Add or Edit on the Profile screen will display a Wireless Network Properties screen that allows you to set various parameters required with the devices you connect to wirelessly Wireless Network Properties Profile Name 802 1x configure Network Name SSID EAP TYPE Tunnel Privision Mode rimis is a computer to computer ad hoc network wireless access points are not used Channel Username Wireless network security This network requires a key for the following Identity Network Authentication Open System Data encryption Disabled Roman Password Key index advanced Certificate Network key Confirm network key mes Profile Name Enter an easily recognizable name to quickly differentiate among multiple networks Network Name SSID The SSID up to 32 printable ASCII characters is the unique name identified in a WLAN The ID prevents the unintentional merging of two co located WLANs If you specify an SSID for the adapter then only the device with the same SSID can connect to the adapter WN 250USB User s Manual 16 2 Software Installation TN e L e EF LIve This is a computer to computer ad hoc network wireless access points are not used When this option is selected the adapter will operate in Ad Hoc mode connecting to another wireless adapter in the WLAN without an access point or router Channel This setting is only available for Ad Hoc mode Sele2. Interface Hi Speed USB 2 0 Chipset Realtek Frequency band 2 4000 2 4835 GHz Industrial Scientific Medical Band Modulation technologies 802 11b Direct Sequence Spread Spectrum DSSS DBPSK DQPSK CCK 802 11g Orthogonal Frequency Division Multiplexing OFDM BPSK QPSK 16QAM 64QAM 802 11n Orthogonal Frequency Division Multiplexing OFDM BPSK QPSK 16QAM 64QAM Security 64 128 bit WEP data encryption WPA and WPA2 802 1x Transmit power 11n 14 dBm 1 5 dBm 11g 14 dBm 1 5 dBm 11b 17 dBm 1 5 dBm Certification FCC Class B CE WN 250USB User s Manual 34 3 Specifications lt lt Ty e L e e NF eive LEDs e Link Activity Environmental Dimensions 7 H x 15 W x 27 L mm Weight 0 14 kg Operating temperature 0 40 C 32 104 F Operating humidity 10 90 RH non condensing e Storage temperature 20 60 C 4 14 F 35 WN 250USB User s Manual 4 Frequent Asked Question TN e e r Live Frequent Asked Questions If you encounter any problem when you re using this wireless USB dongle please check this FAQ table for possible solution Question can t find any wireless access point wireless device in Site Survey function Answer 1 Click Rescan and see if you can find any wireless access point or wireless device 2 Try to move closer to any known wireless access point Please adjust the position of network card
3. you may have to move your computer if you re using a notebook computer and click Rescan button for few more times If you can find the wireless access point or wireless device you want to connect by doing this try to move closer to the place where the wireless access point or wireless device is located Question Nothing happens when click Open Config Utility Answer 1 Please make sure the wireless USB dongle is inserted into your computer s USB port If the AirLive configuration utility s icon is not activated the dongle is not detected by your computer 2 Reboot the computer and try again 3 Remove the dongle and insert it into another USB port 4 Remove the driver utility and then re install it WN 250USB User s Manual 36 4 Frequent Asked Question TN e L e e F LIve Question can not establish connection with a certain wireless access point Answer 1 Click Connect for few more times 2 If the SSID of access point you wish to connect is hidden nothing displayed in SSID field in Site Survey function you have to input the correct SSID of the access point you wish to connect Please contact the administrator of the access point for SSID 3 You have to input the correct security key to connect an access point with encryption Please contact the administrator of the access point for security password 4 The access point you wish to connect only allows network cards with specific MAC address
4. 11g b is 20dBm at the antenna end The output power limit for 5GHz 802 11a is 30dBm at the antenna end UDP User Datagram Protocol A layer 4 network protocol for transmitting data which does not require acknowledgement from the recipient of the data Upgrade To replace existing software or firmware with a newer version WN 250USB User s Manual 52 5 Wireless Network Glossary TN e e amp Air Live Upload To send a file to the Internet or network device URL Uniform Resource Locator The address of a file located on the Internet VPN Virtual Private Network A type of technology designed to increase the security of information transferred over the Internet VPN creates a private encrypted tunnel from the end user s computer through the local wireless network through the Internet all the way to the corporate network Walled Garden On the Internet a walled garden refers to a browsing environment that controls the information and Web sites the user is able to access This is a popular method used by ISPs in order to keep the user navigating only specific areas of the Web WAN Wide Area Network A communication system of connecting PCs and other computing devices across a large local regional national or international geographic area A WAN port on the network device means the port or wireless connection that is connected to the Internet side of the network topology WEP Wired Equivalent Privacy A wireless encr
5. MD5 GTC TLS and MSCHAP v2 Username This is the certificate username on the RADIUS server Identity This is the user s identity on the RADIUS server 19 WN 250USB User s Manual gt Air Live Password This is the user s password on the RADIUS server Certificate Select the certificate for RADIUS server authentication 2 4 Utility Available Network 2 Software Installation When you open the configuration utility and select Available Network menu tab the system scans all the channels to find access points stations within the accessible range On the Available Network screen all the networks nearby are listed You can change the connection to another network or add one of the networks to your own profile list Q AirLive Wireless Utility Refresh R Mode M About A MyComputer S 802 11n USB Wit v Show Tray Icon C Radio Off WN 250USB User s Manual General Profile Available Network Status Statistics Wi Fi Protect Setup Available Network s SSID Channel Encryption Network Authentication 1 AirLive2 P vinoi P CLI antivirus 1 DlinkOwen P Active Semi Inter CERIO dd wrt P wl 520 PWT2k dlink WEP Pocket AP AES E Winky Online TKIP AES Luoz None P Norman FET WEP I wN SODORv2 None defaut None H None TKIP AES TKIP AES WEP TKIP None WEP TKIP ON NAAA amp C HS Unknown WPA Pre Shared Key WPA2 Pre Shared Key WPA Pre
6. an internal network device it opens all the TCP UDP service ports to this particular device The feature is used commonly for setting up H 323 VoIP or Multi Media servers DNS A program that translates URLs to IP addresses by accessing a database maintained on a collection of Internet servers Domain Name The unique name that identifies an Internet site Domain Names always have 2 or more parts separated by dots In www airlive com the airlive com is the doman name 43 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 F LIve DoS Attack Denial of Service A type of network attack that floods the network with useless traffic Many DoS attacks such as the Ping of Death and Teardrop attacks exploit limitations in the TCP IP protocols Encryption Encoding data to prevent it from being read by unauthorized people The common wireless encryption schemes are WEP WPA and WPA2 ESSID SSID The identification name of an 802 11 wireless network Since wireless network has no physical boundary liked wired Ethernet network wireless LAN needs an identifier to distinguish one network from the other Wireless clients must know the SSID in order to associate with a WLAN network Hide SSID feature disable SSID broadcast so users must know the correct SSID in order to join a wireless network Firewall A system that secures a network and prevents access by unauthorized users Firewalls can be software router or gat
7. options Whichever of the tabs you select several additional options are always displayed at the top left and bottom of the screen as shown on the General screen in the first of the detailed sections that follow Refresh This updates the adapter list in the left side window Mode This allows you to select one of two modes Station or Access Point With Station the adapter works as a wireless adapter With Access Point the adapter works as a wireless AP Chapter 2 8 SoftAP About This lets you check the version of the utility Show Tray Icon Select to show the utility icon in the system tray Radio Off Select to turn off or turn on the radio of the adapter If the radio is turned off the adapter will not work Disable Adapter This allows you to disable or enable the adapter 11 WN 250USB User s Manual 2 Software Installation Ty eo L4 r Live Windows Zero Config Select to configure the adapter using Windows XP Zero Configuration The status of wireless connection will be displayed by AirLive configuration utility icon as indicated below Wireless connection is established excellent signal reception Wireless connection is established normal signal reception D gt o Cx Wireless connection is established weak signal reception Connection is not established yet T Wireless network card is not detected WN 250USB User s Manual 12 2 Software Installation SD Air Live 2 2
8. specification supports 128 bit IP address format IPsec IP Security A set of protocols developed by the IETF to support secure exchange of packets at the IP layer IPsec has been deployed widely to implement Virtual Private Networks VPNs IPsec supports two encryption modes Transport and Tunnel Transport mode encrypts only the data of each packet but leaves the header untouched The more secure Tunnel mode encrypts both the header and the payload On the receiving side an IPSec compliant device decrypts each packet LACP 802 3ad Trunking The 802 3ad Link Aggregation standard defines how to combine the several Ethernet ports into one high bandwidth port to increase the transmission speed It is also known as port trunking Both device must set the trunking feature to work MAC Media Access Control MAC address provides layer 2 identification for Networking Devices Each Ethernet device has its own unique address The first 6 digits are unique for each manufacturer When a network device have MAC access control feature only the devices with the approved MAC address can connect with the network WN 250USB User s Manual 46 5 Wireless Network Glossary TN e e amp Air Live Mbps Megabits per Second One million bits per second a unit of measurement for data transmission MESH Mesh is an outdoor wireless technology that uses Spanning Tree Protocol STP and Wireless Distribution system to achieve self forming self healing a
9. to enterprises small businesses and home users that data will remain protected and that only authorized users may access their networks For enterprises that have already deployed IEEE 802 1x authentication WPA offers the advantage of leveraging existing authentication databases and infrastructure WPA2 802 1X like WPA supports IEEE 802 1x EAP authentication or PSK technology It also includes a new advanced encryption mechanism using the Advanced Encryption Standard AES AES is required for corporate and government users The difference between WPA and WPA is that WPA2 provides data encryption via the AES whereas WPA uses the Temporal Key Integrity Protocol TKIP WEP 802 1X is a special mode for using IEEE 802 1x EAP technology for authentication and WEP keys for data encryption Data Encryption All devices in the network should use the same encryption method The drop down menu offers four options Disabled disables the WEP data encryption WEP enables the WEP data encryption When this is selected you need to continue with the setting of the WEP encryption keys TKIP Temporal Key Integrity Protocol changes the temporal key every 10 000 packets A packet is a kind of message transmitted over a network This ensures much greater security than standard WEP security WN 250USB User s Manual 18 2 Software Installation TN e L e EF LIve AES has been developed to ensure the highest degree of s
10. An IP sharing router is a device that allows multiple PCs to share one single broadband connection using NAT technology A wireless router is a device that combines the functions of wireless Access Point and the IP sharing router RSSI Receiver Sensitivity Index RSSI is a value to show the Receiver Sensitivity of the remote wireless device In general remote APs with stronger signal will display higher RSSI values For RSSI value the smaller the absolute value is the stronger the signal For example 50db has stronger signal than 80dB For outdoor connection signal stronger than 60dB is considered as a good connection RTS Request To Send A packet sent when a computer has data to transmit The computer will wait for a CTS Clear To Send message before sending data RTS Threshold RTS Request to Send The RTS CTS clear to send packet will be send before a frame if the packet frame is larger than this value Lower this value can improve the performance if there are many clients in your network You can try 1500 1000 or 500 when there are many clients in your AP s network SNMP Simple Network Management Protocol A set of protocols for managing complex networks The SNMP network contains 3 key elements managed devices agents and network management systems NMSs Managed devices are network devices that content SNMP agents SNMP agents are programs that reside SNMP capable device s firmware to provide SNMP configuration s
11. Caution Never use force to insert the adapter 3 WN 250USB User s Manual 2 Software Installation VERE e e Air Live Software Installation 1 With the WN 250USB adapter inserted and computer is powered on the Found New Hardware Wizard displays a screen click Cancel to proceed the driver installation Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Can Windows connect to Windows Update to search for software O Yes this time only O Yes now and every time connect a device O No not this time Click Next to continue Cancel 2 Insert the enclosed software CD in the CDROM drive and click Install Driver amp Utility from the autorun screen If the autorun screen did not appear run the Setup exe program in the Driver folder WN 250USB User s Manual 4 2 Software Installation WN 250USB Wireless 11b g n 150Mbps o TA Wl ine ish DOR install Driver amp Utility Quick Setup Guide User s Manual Acrobat Reader Browse CD EXIT Utility amp Manual CD 3 When the Choose Setup Language screen displays highlight your preference and click Next to proceed AirLive Wireless LAN InstallShield Wizard Choose Setup Language Select the language for the installation fr
12. FOGUGCUON RENT E AE TET D ERE Pee 1 1 1 System Regulremanls ee eei ecd ecux eed e dec Ep ELE ER Od e eei da ved 2 1 2 Package Contents c ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaeeeeeeeeeeeeneesaaeees 2 1 3 Hardware Installation acidi rette tet centena kc tute 3 Software Installation coi ooi eote aE a RE ERR NE EUF E CE AEE 4 2 1 Configuration WNIT 2o dE HR LRL IU EADEM 10 2 2 Bully Geleldl ssi a reet c A A LE 13 2 9 Utility PORN ees cis et re PERPE Ner Pale AP QE 14 2 4 Utility Available Network sseeseeeeeneeeenenennn 20 2 5 ity Stati S a Ee A E A A 22 2 6 Utility Statistics NOTET TNT TTE DERS 23 2 7 Utility Wi Fi Protected Setup WPS seeeeeeessessse 24 2 8 SOWIE AR eee AER CAL Ne he En TN URN EN CIE AD E 29 SDECIICATIONS DE 34 Frequent Asked Questions 1eeeeeeeeeeeeeeeeeeeeeeeee nennen nent 36 Wireless Network Glossary eeeeeeeeeeeeeeeeeeeee nennen nennt nnns 38 WN 250USB User s Manua 1 Introduction N e L e EF LIve 1 Introduction Thank you for purchasing the AirLive WN 250USB Wireless 11b g n 150Mbps Mini USB Dongle This ultra compact high speed adapter lets you connect your desktop computer or notebook computer to a wireless network with the link speed of up to 150Mbps This handy and mini adapter supports the latest Wireless N technology for greater wireless receptio
13. General Profile Available Network Status Statistics Wi Fi Protect Setup DER Manufacturer AirLive NDIS Driver Version 1084 24 125 2010 Short Radio Header Yes Encryption TKIP Authenticate WPA PSK Channel Set ETSI MAC Address DO 1F 1F 52 BA 6D Data Rate AUTO Tx 54 Mbps Rx 54 Mbps Channel Frequency 7 2442 MHz Status Associated SSID WT2K Network Type Infrastructure Power Save Mode None Associated AP MAC DO 4F 67 00 61 BA Up Time hh mm ss 0 03 09 L Disable Adapter C windows Zero Config 22 N Air Live 2 6 Utility Statistics 2 Software Installation You can get the real time information about the packet transmission and receiving status during wireless communication from the screen If you want to recount the statistics value please click Reset AirLive Wireless Utility Refresh R Mode M About A sy Becomes General Profile Available Network Status Statistics Wi Fi Protect Setup GH 802 1 101 usb Wit E Rada EUH er dies Counter Name Tx OK Tx Error Rx OK Rx Packet Count Rx Retry Rx ICV Error lt Show Tray Icon L Disable Adapter C Radio Off C Windows Zero Config 23 WN 250USB User s Manual 2 Software Installation Air Live 2 7 Utility Wi Fi Protected Setup WPS Wi Fi Protected Setup WPS is the latest wireless network technology and makes wireless network setup very simple If you have
14. Shared Keyf Unknown WPA2 Pre Shared Key Unknown Unknown WPA Pre Shared Key Unknown WPA2 Pre Shared Key WPA Pre Shared Keyf Unknown Unknown Unknown Hanen Refresh Add to Profile Note Double click on item to join create profile C Disable Adapter L Windows Zero Config 20 Signal 44 56 44 8 42 42 24 26 100 42 62 42 56 8 62 8 gt 2 Software Installation AEN ir Live Available Network This list shows all available wireless networks within the range of the adapter It also displays network information SSID BSSID Signal Strength Channel Encryption Authentication and Network Type To connect to a network on the list double click the item and the adapter will connect automatically to it Refresh Click Refresh to collect the new information of all the wireless networks nearby Connect Double click the selected network Add to Profile Click to add the selected network to the Profile list 21 WN 250USB User s Manual Air Live 2 5 Utility Status 2 Software Installation This screen shows the information of manufacturer driver version and settings of the wireless network the adapter is connecting to It also shows the current connection time AirLive Wireless Utility Refresh R Mode M About A MyComputer 802 11n USB Wii lt Show Tray Icon C Radio Off WN 250USB User s Manual
15. Strength Indicates the wireless signal strength Link Quality Indicates the wireless link quality Network Address Shows the MAC IP address and Subnet Mask Gateway information Renew IP Click to renew the IP address of the adapter 2 3 Utility Profile The Profile screen is for managing networks you connect to frequently You can add delete edit and activate a profile on this screen WN 250USB User s Manual 14 2 Software Installation TD e e Air Live AirLive Wireless Utility Refresh R Mode M About A gj MyComputer General Profile Available Network Status Statistics Wi Fi Protect Setup i y 802 11n USB Wit f Available Profile s Profile Name Add IWT Remove Edit Duplicate Set Default lt Show Tray Icon L Disable Adapter C Radio Off C windows Zero Config Available Profile s This list shows the preferred networks for the wireless connection You can add remove edit and duplicate the preferred networks and you can also set one of the networks as the default connection Add Remove Edit Click with a profile selected to make desired changes Duplicate Click to create a new profile with the same settings as the current one Set Default Click to designate a selected profile on the Available Profile s list as the default network 15 WN 250USB User s Manual 2 Software Installation LS eo o Air Live 2 3 1 Configuring a Profile
16. Utility General This screen is primarily for checking connection related items and information about the selected adapter Status Speed Type Encryption SSID Signal Strength Link Quality and Network Address The other references on this screen reflect the settings configured on the Profile screen AirLive Wireless Utility Refresh R Mode M About A a MyComputer General Profile Available Network Status Statistics Wi Fi Protect Setup i 802 11n USB Wil Status Associated Speed Tx 54 Mbps Rx 54 Mbps Type Infrastructure Encryption TKIP SSID WT2K Signal Strength HII HL ogo Link Qualty MMANAANAMANMNANNNANANNANANNNNAN 100 Network Address MAC Address O0 1F 1F 52 BA 6D IP Address 0 0 0 0 Subnet Mask 0 0 0 0 Gateway lt Show Tray Icon C Disable Adapter C Radio Off L Windows Zero Config Type This displays either Infrastructure or Ad Hoc based on the selection made on the Profile screen 13 WN 250USB User s Manual 2 Software Installation TN e L e e NF LIve Encryption This displays the encryption setting of the current connection None WEP TKIP or AES based on the selection made on the Profile screen SSID The Service Set ID up to 32 printable ASCII characters is the unique name identified in a WLAN that prevents the unintentional merging of two co located wireless networks This can be entered on the Profile screen Signal
17. ZS ir Live Powered by OvisLink Corp WN 250USB Wireless 11b g n 150Mbps Mini USB Dongle User s Manual WWW airlive com Copyright amp Disclaimer gt ir Live Air Live Powered by OvisLink Corp Copyright amp Disclaimer No part of this publication may be reproduced in any form or by any means whether electronic mechanical photocopying or recording without the written consent of OvisLink Corp OvisLink Corp has made the best effort to ensure the accuracy of the information in this user s guide However we are not liable for the inaccuracies or errors in this guide Please use with caution All information is subject to change without notice All Trademarks are properties of their respective holders CGF Bluetooth 2009 OvisLink Corporation All Rights Reserved WN 250USB User s Manual 2 Copyright amp Disclaimer AES e e amp r Live Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will no
18. a WPS enabled wireless access point and you want to establish a secure connection to it you don t have to configure the wireless access point and setup data encryption all by yourself All you need to do is go to the this setup page and click either PBC or PIN and then press a WPS button or enter a set of 8 digit code on the wireless access point you wish to establish a secure connection AirLive Wireless Utility Refresh R Mode M About A td MyComputer General Profile Available Network Status Statistics WiFi Protect Setup D 802 11n USB Wil Wi Fi Protected Setup WPS An easy and secure setup solution for Wi Fi network Pin Input Config PIN After pushing the PIN button Please enter the PIN code into your AP PIN Code 52648694 Pin Input Config PIN Push Button After pushing the PBC button Please push the physical button on your AP or visual button on the WPS config page Push Button Config PBC Show Tray Icon C Disable Adapter Radio Off O windows Zero Config WN 250USB User s Manual 24 2 Software Installation lt Air Live 2 7 1 PIN Input Config PIN 1 Enter the PIN code of your wireless adapter displayed right above the PIN button see image below on the wireless access point you want to connect to If necessary refer to the user manual of the wireless AP for instructions AirLive Wireless Utility Refresh R Mode M About A MyComputer
19. bps using OFDM technology It also operates in the 2 4GHz frequency band as 802 11b 802 11g devices are backward compatible with 802 11b devices 802 11h This IEEE standard define the TPC transmission power control and DFS dynamic frequency selection required to operate WiFi devices in 5GHz for EU 802 11i The IEEE standard for wireless security 802 11i standard includes TKIP CCMP and AES encryption to improve wireless security It is also know as WPA2 802 11n 802 11n is a recent amendment which improves upon the previous 802 11 standards by adding multiple input multiple output MIMO and many other newer features The IEEE has approved the amendment and it was published in October 2009 Enterprises however have already begun migrating to 802 11n networks based on the Wi Fi Alliance s certification of products conforming to a 2007 draft of the 802 11n proposal 802 11n provides a throughput up to 300Mbps using OFDM technology 802 3ad 802 3ad is an IEEE standard for bonding or aggregating multiple Ethernet ports into one virtual port also known as trunking to increase the bandwidth 802 3af This is the PoE Power over Ethernet standard by IEEE committee 803 af uses 48V POE standard that can deliver up to 100 meter distance over Ethernet cable 39 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 Fr LIve 802 1d STP Spanning Tree Protocol Itis an algorithm to prevent network from forming The STP p
20. built in to the device The IEEE 802 3af is a POE spec that uses 48 volt to deliver power up to 100 meter distance Port This word has 2 different meaning for networking The hardware connection point on a computer or networking device used for plugging in a cable or an adapter The virtual connection point through which a computer uses a specific application on a server PPPoE Point to Point Protocol over Ethernet PPPoE relies on two widely accepted standards PPP and Ethernet PPPoE is a specification for connecting the users on an Ethernet to the Internet through a common broadband medium such as a single DSL line wireless device or cable modem PPTP Point to Point Tunneling Protocol A VPN protocol developed by PPTP Forum With PPTP users can dial in to their corporate network via the Internet If users require data encryption when using the Windows PPTP client the remote VPN server must support MPPE Microsoft Point To Point Encryption Protocol encryption PPTP is also used by some ISP for user authentication particularly when pairing with legacy Alcatel Thomson ADSL modem WN 250USB User s Manual 48 5 Wireless Network Glossary LN Air Live Preamble Type Preamble are sent with each wireless packet transmit for transmission status Use the long preamble type for better compatibility Use the short preamble type for better performance Rate Control Ethernet switches function to control the upstream and downstrea
21. ct the radio channel used for the network you re connecting to Network Authentication This setting needs to be consistent with the wireless networks the adapter is intended to be connected to There are seven options Open System means that no authentication is needed within the wireless network Shared Key means that only wireless stations using a shared key WEP Key identified are allowed to connect to each other WPA PSK is a special mode designed for home and small business users who don t have access to network authentication servers In this mode also known as Pre Shared Key the user manually enters the password in their access point or router as well as in each wireless station in the network WPA PSK takes over automatically from that point keeping unauthorized users who don t have the matching password from joining the network while encrypting the data traveling between authorized devices WPA2 PSK is also for homes and small businesses It differs from WPA PSK in that it provides data encryption via the Advanced Encryption Standard AES In contrast WPA PSK uses the Temporal Key Integrity Protocol TKIP 17 WN 250USB User s Manual 2 Software Installation TN e L e EF A HWe WPA 802 1X or just WPA provides a scheme of mutual authentication using either IEEE 802 1x Extensible Authentication Protocol EAP authentication or pre shared key PSK technology It provides a high level of assurance
22. ecurity and authenticity for digital information It s the most advanced solution defined by IEEE802 1 1i for security in the wireless network EAP Type GTC is an authentication protocol that allows the exchange of clear text authentication credentials across the network TLS is the most secure of the EAP protocols but isn t easy to use It requires that digital certificates be exchanged in the authentication phase The server presents a certificate to the client and after validating the server s certificate the client presents a client certificate to the server for validation LEAP is a pre EAP Cisco proprietary protocol with many of the features of EAP protocols Cisco controls the ability of other vendors to implement this protocol so it should be selected for use only when limited brand choice for client access point and server products is not a concern Once you ve set up LEAP authentication you need to enter the username and password of your computer PEAP amp TTLS are similar to yet easier than TLS in that they specify a stand alone authentication protocol be used within an encrypted tunnel TTLS supports any protocol within its tunnel including CHAP MSCHAP MSCHAPv2 and PAP PEAP specifies that an EAP compliant authentication protocol must be used this adapter supports MD5 TLS GTC Generic Token Card and MSCHAPva2 That a client certificate be required for authentication is optional Tunnel Options are
23. ervice The NMS typically is a PC based software such as HP Openview that can view and manage SNMP network device remotely WN 250USB User s Manual 50 5 Wireless Network Glossary LN Air Live SSH Developed by SSH Communications Security Ltd Secure Shell is a program to log into another computer over a network to execute commands in a remote machine and to move files from one machine to another It provides strong authentication and secure communications over insecure channels It is a replacement for rlogin rsh rcp and rdist SSL Secure Sockets Layer It is a popular encryption scheme used by many online retail and banking sites to protect the financial integrity of transactions When an SSL session begins the server sends its public key to the browser The browser then sends a randomly generated secret key back to the server in order to have a secret key exchange for that session SSL VPN is also known as Web VPN The HTTPS and SSH management interface use SSL for data encryption Subnet Mask An address code mask that determines the size of the network An IP subnet are determined by performing a BIT wise AND operation between the IP address and the subnet mask By changing the subnet mask you can change the scope and size of a network Subnetwork or Subnet Found in larger networks these smaller networks are used to simplify addressing between numerous computers Subnets connect to the central network through a router h
24. eway Firewalls can prevent unrestricted access into a network as well as restricting data from flowing out of a network Firmware The program that runs inside embedded device such as router or AP Many network devices are firmware upgradeable through web interface or utility program FTP File Transfer Protocol A standard protocol for sending files between computers over a TCP IP network and the Internet WN 250USB User s Manual 44 5 Wireless Network Glossary TN e e amp Air Live Fragment Threshold Frame Size larger than this will be divided into smaller fragment If there are interferences in your area lower this value can improve the performance If there are not keep this parameter at higher value The default size is 2346 You can try 1500 1000 or 500 when there are interference around your network Full Duplex The ability of a networking device to receive and transmit data simultaneously In wireless environment this is usually done with 2 or more radios doing load balancing Gateway In the global Internet network the gateways are core routers that connect networks in different IP subnet together In a LAN environment with an IP sharing router the gateway is the router In an office environment gateway typically is a multi function device that integrates NAT firewall bandwidth management and other security functions Hotspot A place where you can access Wi Fi service The term hotspot has two meanings in
25. f 802 11n USB Wii Wi Fi Protected Setup WPS An easy and secure setup solution for Wi Fi network Pin Input Config PIN After pushing the PIN button Please enter the PIN code into your AP PIN Code 52648694 Push Button After pushing the PBC button Please push the physical button on your AP or visual button on the WPS config page Push Button Config PBC lt Show Tray Icon C Disable Adapter C Radio Off L Windows Zero Config 2 Click Pin Input Config PIN button now and the following message will appear on your computer click Yes to select a specific wireless access point or click No to start PIN method of WPS Wi Fi Protected Setup WPS 2 Do you want to select a specific AP Et 25 WN 250USB User s Manual 2 Software Installation TP e e Air Live 3 If you click Yes and the following message will appear on your computer please select the SSID of wireless access point that you wish to connect and click Select Wi Fi Protected Setup Select AP WPS AP Name WPS AP MAC AP 00 0E 2E 44 84 A0 WPS6fed737ee2 00 1F 1F 1F 7E E2 A Status screen will display to indicate the progress of the procedure which can take up to two minutes or so If a wireless access point with the correct PIN code found you ll be connected to it Wi Fi Protected Setup PIN method Wi Fi Protected Setup PIN method Please enter the following PIN code into y
26. ions and the receiving status during wireless communications from this screen To update the statistics values click Reset AirLive Wireless Utility Refresh R Mode M About A TIEECIpien General Advanced Statistics CS f 802 11n USB Wilf ena L Counter Name Tx OK Tx Error Rx OK Rx Packet Count Rx Retry Rx ICV Error Show Tray Icon C Disable Adapter CI Radio Off WN 250USB User s Manual 32 2 Software Installation gt e e Air Live 2 8 4 ICS To connect to the Internet through this adapter using SoftAP you need to make abridge between SoftAP and the Internet connection Select the Internet connectionand click Apply AirLive Wireless Utility Refresh R Mode M About A MyComputer General Advanced Statistics ICS ecziinusewa Setting Internet Connection Sharing ICS ConnName Device Name Wireless Network Co Atheros ARSB93 Wireless Network Adapter tLocal Area Connection Atheros ARB131 PCI E Gigabit Ethernet Controller Public Network lt v Show Tray Icon L Disable Adapter C Radio Off 33 WN 250USB User s Manual 3 Specifications TN e L e e NF eive 3 Specifications Standards IEEE 802 11b 1 2 5 5 11Mbps Wireless LAN IEEE 802 11g 6 9 12 24 36 48 54Mbps Wireless LAN e IEEE 802 11n 20MHz up to 72Mbps Wireless LAN 11n 40MHz up to 150Mbps Wireless LAN General
27. m speed of an individual port Rate Control management uses Flow Control to limit the speed of a port Therefore the Ethernet adapter must also have the flow control enabled One way to force the adapter s flow control on is to set a port to half duplex mode RADIUS Remote Authentication Dial In User Service An authentication and accounting system used by many Internet Service Providers ISPs When you dial in to the ISP you must enter your username and password This information is passed to a RADIUS server which checks that the information is correct and then authorizes access to the ISP system Radius typically uses port 1812 and port 1813 for authentication and accounting port Though not an official standard the RADIUS specification is maintained by a working group of the IETF Receiver Sensitivity Receiver sensitivity means how sensitive is the radio for receiving signal In general the slower the transmission speed the more sensitive the radio is The unit for Receiver Sensitivity is in dB the lower the absolute value is the higher the signal strength For example 50dB is higher than 80dB RJ 45 Standard connectors for Twisted Pair copper cable used in Ethernet networks Although they look similar to standard RJ 11 telephone connectors RJ 45 connectors can have up to eight wires whereas telephone connectors have only four 49 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 Fr LIve Router
28. n and enhanced the network link speed You will soon be able to enjoy these additional features by following the instruction in this manual e Extremely compact design Wireless N USB Adapter e Advanced Wireless N technology for greater wireless reception e Hi speed data transfer rate up to 150Mbps network link speed e Backward compatible with IEEE 802 11b g standards e Wi Fi Protected Setup WPS simplifies the security settings e Software AP function turns wireless client into a wireless access point 1 WN 250USB User s Manual 1 Introduction TN e L e EF LIve 1 1 System Requirements e USB 2 0 port amp CD ROM drive e Windows XP Vista or Windowns 7 operating system e Atleast 100MB of available disk space Note this device may not be able to work with USB 1 1 port 1 2 Package Contents Before installing the adapter please check if there s anything missing in the package and contact your dealer of purchase to claim for missing items e WN 250USB e Quick Setup Guide e Software CD WN 250USB User s Manual 2 1 Introduction gt ir Live 1 3 Hardware Installation e USB Connector e Connector Cap To protect the USB connector when not installed e Link Activity LED Green LED Mode Status Link Flash Linked to a wireless AP transferring data Activity Off No link to any wireless AP non active With the computer switched on insert the WN 250USB adapter into an empty USB 2 0 port
29. nd self configuring outdoor network MESH network are able to take the shortest path to a destination that does not have to be in the line of site MIMO Multi Input Multi Output A Smart Antenna technology designed to increase the coverage and performance of a WLAN network In a MIMO device 2 or more antennas are used to increase the receiver sensitivity and to focus available power at intended Rx NAT Network Address Translation A network algorithm used by Routers to enables several PCs to share single IP address provided by the ISP The IP that a router gets from the ISP side is called Real IP the IP assigned to PC under the NAT environment is called Private IP Node A network connection end point typically a computer Packet A unit of data sent over a network Passphrase Used much like a password a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for the company products 47 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 Fr LIve POE Power over Ethernet A standard to deliver both power and data through one single Ethernet cable UTP STP It allows network device to be installed far away from power ource A PoE system typically compose of 2 main component DC Injector Base Unit and Splitter Terminal Unit The DC injector combines the power and data and the splitter separates the data and power back A PoE Access Point or CPE has the splitter
30. ns end user device such as wireless cards or wireless CPE CPE Devices CPE stands for Customer Premises Equipment A CPE is a device installed on the end user s side to receive network services For example on an ADSL network the ADSL modem router on the subscriber s home is the CPE device Wireless CPE means a complete Wireless usually an AP with built in Antenna that receives wireless broadband access from the WISP The opposite of CPE is CO CTS Clear To Send A signal sent by a device to indicate that it is ready to receive data WN 250USB User s Manual 42 5 Wireless Network Glossary LN Air Live DDNS Dynamic Domain Name System An algorithm that allows the use of dynamic IP address for hosting Internet Server A DDNS service provides each user account with a domain name A router with DDNS capability has a built in DDNS client that updates the IP address information to DDNS service provider whenever there is a change Therefore users can build website or other Internet servers even if they don t have fixed IP connection DHCP Dynamic Hosting Configuration Protocol A protocol that enables a server to dynamically assign IP addresses When DHCP is used whenever a computer logs onto the network it automatically gets an IP address assigned to it by DHCP server A DHCP server can either be a designated PC on the network or another network device such as a router DMZ Demilitarized Zone When a router opens a DMZ port to
31. ntennas Mobility is allowed up to 40 mph WDS Wireless Distribution System WDS defines how multiple wireless Access Point or Wireless Router can connect together to form one single wireless network without using wired uplinks WDS associate each other by MAC address each device WN 250USB User s Manual 54 5 Wireless Network Glossary LN Air Live WLAN Wireless Local Area Network A type of local area network that uses high frequency radio waves rather than wires to communicate between nodes The most popular standard for WLAN is the 802 11 standards WMM Wi Fi Multimedia WMM is a standard to prioritize traffic for multimedia applications The WMM prioritize traffic on Voice over IP VoIP audio video and streaming media as well as traditional IP data over the AP WMS Wireless Management System An utility program to manage multiple wireless AP Bridges 55 WN 250USB User s Manual
32. om the choices below Chinese Simplified Chinese Traditional French Canadian French Standard InstallShield ce ER Lun 5 WN 250USB User s Manual 2 Software Installation LP D e Air Live 4 When the first of the AirLive Wireless LAN screen displays click Next AirLive Wireless LAN AirLive Wireless LAN The InstallShield Wizard will install AirLive Wireless LAN on your computer To continue click Next 5 When the next screen displays click Install to begin the installation On any of the screens where they appear click Back to return to a previous screen click Cancel to exit the wizard WN 250USB User s Manual 6 2 Software Installation TP e e Air Live AirLive Wireless LAN AirLive Wireless LAN Click Install to begin the installation If you want to review or change any of your installation settings click Back Click Cancel to exit the wizard Ca 6 Click Continue Anyway if the below warning screen appears Hardware Installation A The software you are installing for this hardware 802 11n USB Wireless LAN Card has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that
33. or details and note that Ad Hoc mode is not enabled for the AP Wireless Network Properties Profile Name Network Name SSID fae test_AP Channel 1 2412MHz Wireless network security This network requires a key For the Following Network Authentication Open System Data encryption pisabled Key index advanced Network key Confirm network key Cancel WN 250USB User s Manual 30 2 Software Installation TES Air Live 2 8 2 AP Advanced Beacon Interval Specify the duration between beacon packets milliseconds The range for the beacon period is 20 1000 milliseconds with a typical value of 100 DTIM Period This is the sending interval of the AP s traffic broadcast The default value is 3 beacons Preamble This is the length Short or Long of the CRC block for communication among wireless stations High network traffic areas should use Short Set Defaults Click to return to default settings Apply Click to confirm the settings AirLive Wireless Utility Refresh R Mode M About A wj MyComputer General Advanced Statistics ICS m 802 11n USB Wii f x General Beacon Interval 100 DTIM Period 3 Preamble Mode Short Set Defaults Apply gt Show Tray Icon C Disable Adapter Radio Off 31 WN 250USB User s Manual 2 Software Installation TP e e Air Live 2 8 3 AP Statistics You can get the real time information about packet transmiss
34. our AP PIN Code 98753420 Status Initial WPS ada 8 ELL Cancel 1 WN 250USB User s Manual 26 2 Software Installation T Air Live 2 7 2 Push Button Config PBC 1 Begin the PBC pairing procedure by setting up the access point Refer to the user manual of the wireless AP for instructions Click Push Button Config PBC on the Wi Fi Protected Setup screen to begin the wireless connection using WPS This procedure can take up to a minute to complete Wi Fi Protected Setup PBC method Wi Fi Protected Setup PBC method If there is more then one AP on the PBC mode there will be Session Overlap Please using PIN method or wait for a while push the button again Status Initial WPS Complete wa Push Button Config PBC Cancel 2 Once a successful WPS connection has been made between the wireless adapter and the access point details about the connected access point will be displayed as shown below 27 WN 250USB User s Manual 2 Software Installation T eo o Air Live AirLive Wireless Utility Refresh R Mode M About A MyComputer General Profile Available Network Status Statistics Wi Fi Protect Setup amp 802 11n USB Wii Status Associated Speed Tx 54 Mbps Rx 54 Mbps Type Infrastruct
35. pecified in OET Bulletin 65 Supplement C R amp TTE Compliance Statement This equipment complies with all the requirements of DIRECTIVE 1999 5 EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL of March 9 1999 on radio equipment and telecommunication terminal Equipment and the mutual recognition of their conformity R amp TTE The R amp TTE Directive repeals and replaces in the directive 98 13 EEC Telecommunications Terminal Equipment and Satellite Earth Station Equipment As of April 8 2000 Safety This equipment is designed with the utmost care for the safety of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this and of the computer manufacture must therefore be allowed at all times to ensure the safe use of the equipment EU Countries Intended for Use The ETSI version of this device is intended for home and office use in Austria Belgium Denmark Finland France Germany Greece Ireland Italy Luxembourg the Netherlands Portugal Spain Sweden and the United Kingdom The ETSI version of this device is also authorized for use in EFTA member states Iceland Liechtenstein Norway and Switzerland EU Countries Not intended for use None The specification is subject to change without notice WN 250USB User s Manual 4 Table of Contents ZN Air Live Table of Contents 1 gt IT
36. pplication It can also guarantee the speed of certain special application or privileged IP address a crucial feature of QoS Quality of Service function Bootloader Bootloader is the under layering program that will start at the power up before the device loads firmware It is similar to BIOS on a personal computer When a firmware crashed you might be able to recover your device from bootloader 41 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 F LIve Bridge A product that connects 2 different networks that uses the same protocol Wireless bridges are commonly used to link network across remote buildings For wireless application there are 2 types of Bridges WDS Bridge can be used in Point to Point or Point to Multipoint topology Bridge Infrastructure works with AP mode to form a star topology Cable and Connector Loss During wireless design and deployment it is important to factor in the cable and connector loss Cable and connector loss will reduce the output power and receiver sensitivity of the radio at connector end The longer the cable length is the more the cable loss Cable loss should be subtracted from the total output power during distance calculation For example if the cable and connector loss is 3dBm and the output power is 20dBm the output power at the cable end is only 17dBm Client Client means a network device or utility that receives service from host or server A client device mea
37. rotocol allows net work to provide a redundant link in the event of a link failure It is advise to turn on this option for multi link bridge network 802 1Q Tag VLAN In 802 1Q VLAN the VLAN information is written into the Ethernet packet itself Each packet carries a VLAN ID called Tag as it traveled across the network Therefore the VLAN configuration can be configured across multiple switches In 802 1Q spec possible 4096 VLAN ID can be created Although for some devices they can only view in frames of 256 ID at a time 802 1x 802 1x is a security standard for wired and wireless LANs In the 802 1x parlance there are usually supplicants client authenticator switch or AP and authentication server radius server in the network When a supplicants request a service the authenticator will pass the request and wait for the authentication server to grant access and register accounting The 802 1x is the most widely used method of authentication by WISP Ad hoc A Peer to Peer wireless network An Ad hoc wireless network do not use wireless AP or router as the central hub of the network Instead wireless client are connected directly to each other The disadvantage of Adhoc network is the lack of wired interface to Internet connections Itis not recommended for network more than 2 nodes WN 250USB User s Manual 40 5 Wireless Network Glossary LN Air Live Access Point AP The central hub of a wireless LAN network Acces
38. s Points have one or more Ethernet ports that can connect devices such as Internet connection for sharing Multi function Access Point can also function as an Ethernet client wireless bridge or repeat signals from other AP Access Points typically have more wireless functions comparing to wireless routers ACK Timeout Acknowledgement Timeout Windows When a packet is sent out from one wireless station to the other it will waits for an Acknowledgement frame from the remote station The station will only wait for a certain amount of time this time is called the ACK timeout If the ACK is NOT received within that timeout period then the packet will be re transmitted resulting in reduced throughput If the ACK setting is too high then throughput will be lost due to waiting for the ACK Window to timeout on lost packets If the ACK setting is too low then the ACK window will have expired and the returning packet will be dropped greatly lowering throughput By having the ability to adjust the ACK setting we can effectively optimize the throughput over long distance links This is especially true for 802 11a and 802 11g networks Setting the correct ACK timeout value needs to consider 3 factors distance AP response time and interference Bandwidth Management Bandwidth Management controls the transmission speed of a port user IP address and application Router can use bandwidth control to limit the Internet connection speed of individual IP or A
39. t occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio technician for help FCC Caution This device and its antenna must not be co located or operating in conjunction with any other antenna or transmitter This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate equipment 3 WN 250USB User s Manual Copyright amp Disclaimer lt lt e L NE LIve Federal Communication Commission FCC Radiation Exposure Statement This EUT is compliance with SAR for general population uncontrolled exposure limits in ANSI IEEE C95 1 1999 and had been tested in accordance with the measurement methods and procedures s
40. to establish connection 37 WN 250USB User s Manual 5 Wireless Network Glossary TN e L e NF LIve 5 Wireless Network Glossary The wireless network glossary contains explanation or information about common terms used in wireless networking products Some of information in this glossary might be outdated please use with caution 802 11a An IEEE specification for wireless networking that operates in the 5 GHz frequency range 5 15 GHz to 5 850 GHz with a maximum of 54Mbps data transfer rate The 5GHz frequency band is not as crowded as the 2 4GHz band In addition the 802 11a have 12 non overlapping channels comparing to 802 11b g s 3 non overlapping channels This means the possibility to build larger non interfering networks However the 802 11a deliver shorter distance at the same output power when comparing to 802 11g 802 11b International standard for wireless networking that operates in the 2 4GHz frequency band 2 4 GHz to 2 4835 GHz and provides a throughput up to 11 Mbps 802 11d Also known as Global Roaming 802 11d is a standard for use in countries where systems using other standards in the 802 11 family are not allowed to operate 802 11e The IEEE QoS standard for prioritizing traffic of the VoIP and multimedia applications The WMM is based on a subset of the 802 116 WN 250USB User s Manual 38 5 Wireless Network Glossary LN Air Live 802 11g A standard provides a throughput up to 54 M
41. ub or gateway Each individual wireless LAN will probably use the same subnet for all the local computers it talks to Super A Super A is an Atheros proprietary turbo mode to increase speed over standard 802 11a mode It adds Bursting and Compression to increase the speed If you live in countries that prohibit the channel binding technology i e Europe you should choose Super A without Turbo if you need more speed than 11a mode 51 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 F LIve TCP A layer 4 protocol used along with the IP to send data 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 packets that a message is divided into for efficient routing through the Internet Turbo A Turbo A is an Atheros proprietary turbo mode to increase speed over standard 802 11a mode It uses channel binding technology to increase speed There are 2 types of Turbo A modes Dynamic Turbo and Static Turbo In Dynamic Turbo the channel binding will be used only if necessary In Static Turbo the channel binding is always on This protocol may be combined with Super A model to increase the performance even more The used of channel binding might be prohibited in EU countries TX Output Power Transmit Output Power The TX output power means the transmission output power of the radio Normally the TX output power level limit for 2 4GHz
42. ure Encryption TKIP SSID WT2K Signal Strength oe inis 100 Network Address MAC Address O0 1F 1F 52 B4 6D IP Address 0 0 0 0 Subnet Mask 0 0 0 0 Gateway ReNew IP lt gt v Show Tray Icon C Disable Adapter C Radio Off C Windows Zero Config WN 250USB User s Manual 28 2 Software Installation TM Air Live 2 8 Software AP This wireless adapter can also be used as a wireless access point On any of the menu screens go to Mode M and select Access Point AirLive Wireless Utility Refresh R About A gw MyComputer General Advanced Statistics ICS G 802 11n USB Wit M SSID wyatt notebook AP BSSID D0 1F 1F 52 BA 6D Association Table AID MAC Address Life Time lt aL Show Tray Icon C Disable Adapter C Radio Off 29 WN 250USB User s Manual 2 Software Installation EE Air Live 2 8 1 General SSID The SSID up to 32 printable ASCII characters is the unique name identified in a WLAN that prevents unintentional merging of two co located WLANs The default SSID of the AP is lt Full Computer Name gt _AP Wireless adapters connected to the AP should set up the same SSID as the AP BSSID This is the MAC address of the adapter Association Table All wireless adapters connected to the software AP will be listed in the window Config Click to access configuration options for the AP shown at below Refer to 2 3 Utility Profile f
43. use In this case you can re start the configuration utility by clicking Wireless utility icon as shown Start gt Programs gt AirLive Wireless gt AirLive Wireless Utility 9 WN 250USB User s Manual 2 Software Installation Sy eo o Air Live e Set Program Access and Defaults eS Windows Catalog i Windows Update Calculator fen Programs Documents Settings T Search Help and Support Run Log Off Wyatt 250U5B Windows XP Professional Turn OFF Computer CQ AirLive Wireless Utility 2 1 Configuration Utility The configuration utility is a powerful application that helps you configure you USB adapter and monitor the link status and statistics during the transmission process The utility appears as an icon in the system tray and on the desktop of Windows You can open it by double clicking the desktop icon Right click the icon in the system tray and an options menu displays Open Config Utility About Hide Quit WN 250USB User s Manual 10 2 Software Installation TENN e e e r Live Open Config Utility Select to open the configuration utility About Select to display utility information Hide Select to hide the utility in the system tray Quit Select to quit the utility in the system tray The Configuration Utility opens to the General screen with another five tabs near the top of the screen you can select for specific configuration
44. wireless deployment One is the wireless infrastructure deployment the other is the Internet access billing system In a hotspot system a service provider typically need an authentication and account system for billing purposes and a wireless AP network to provide access for customers IGMP Snooping Internet Group Management Protocol IGMP is a Layer 3 protocol to report IP multicast memberships to neighboring multicast switches and routers IGMP snooping is a feature that allows an Ethernet switch to listen in on the IGMP conversation between hosts and routers A switch support IGMP snooping has the possibility to avoid multicast traffic being treated as broadcast traffic therefore reducing the overall traffic on the network 45 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 NF LIve Infrastructure Mode A wireless network that is built around one or more access points to provide wireless clients access to wired LAN Internet service The opposite of Infrastructure mode is Ad hoc mode IP address IP Internet Protocol is a layer 3 network protocol that is the basis of all Internet communication An IP address is 32 bit number that identifies each sender or receiver of information that is sent across the Internet An IP address has two parts an identifier of a particular network on the Internet and an identifier of the particular device which can be a server or a workstation within that network The new IPv6
45. you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway STOP Installation 7 WN 250USB User s Manual 2 Software Installation LP D e Air Live 7 Please wait while the install procedure is running When you see this message please click Finish to complete the driver installation process It is recommended to restart your computer once the driver utility installation is complete AirLive Wireless LAN InstallShield Wizard Complete The InstallShield Wizard has successfully installed AirLive Wireless LAN Before you can use the program you must restart your computer Yes want to restart my computer now O No I will restart my computer later Remove any disks from their drives and then click Finish to complete setup WN 250USB User s Manual 8 2 Software Installation TD e e Air Live 8 After the system reboot a new AirLive icon appears in the desktop menu presenting the status of the USB adapter To begin configuring the wireless connection right click on the icon and select Open Config Utility from the pop up menu or simply double click the icon To close the configuration utility right click on the icon and click Quit Open Config Utility About Hide Quit 9 Clicking Exit to stop the configuration utility prevents you from maintaining the wireless link to the access point you wish to
46. yption protocol WEP is available in 40 bit 64 bit 108 bit 128 bit or 152 bit Atheros proprietary encryption modes 53 WN 250USB User s Manual 5 Wireless Network Glossary TN e L L4 NF LIve WPA Wi Fi Protected Access It is an encryption standard proposed by WiFi for advance protection by utilizing a password key TKIP or certificate It is more secure than WEP encryption The WPA PSK utilizes pre share key for encryption authentication WPA2 Wi Fi Protected Access 2 WPA2 is also known as 802 11i It improves on the WPA security with CCMP and AES encryption The WPA2 is backward compatible with WPA WPA2 PSK utilizes pre share key for encryption authentication Wi Fi Wireless Fidelity An interoperability certification for wireless local area network LAN products based on the IEEE 802 11 standards The governing body for Wi Fi is called Wi Fi Alliance also known as WECA WiMAX Worldwide Interoperability for Microwave Access A Wireless Metropolitan Network technology that complies with IEEE 802 16 and ETSI Hiperman standards The orginal 802 16 standard call for operating frequency of 10 to 66Ghz spectrum The 802 16a amendment extends the original standard into spectrum between 2 and 11 Ghz 802 16d increase data rates to between 40 and 70 Mbps s and add support for MIMO antennas QoS and multiple polling technologies 802 16e adds mobility features narrower bandwidth a max of 5 mhz slower speed and smaller a
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