CWD-905 Wireless-N USB Dongle User Manual
Contents
1. Optimize for performance mode InstallShield 7 Please click Install to run the driver installation process yield Wizard R ink Wireless LAN Install Ready to Install the Program izard is ready to begin installation all to begin the installation or change any of your installation settings click Back Click Cancel to exit the InstallShield 8 When you see this message please click Finish to complete the driver installation process Ralink Wireless LAN InstallShield Wizard InstallShield Wizard Complete stalled Ral InstallShield 10 9 Anew icon will appear at lower right corner of your computer desktop you can put the mouse cursor on the icon and the status of wireless card will be displayed as a popup balloon Ralink Wireless LAN Card Disconnected DC so 2207 PM ae HERE 10 When you want to configure your wireless connection please right click on this icon and a popup menu will appear You can click Launch Config Utilities to start configuration program If you want to close configuration utility please click Exit Launch Config Utilities Use Zero Configuration as Configuration utility Switch to AF Mode Exit 11 2 2 Connect to Wireless Access Point There are two ways you can configure your wireless network card to connect to wireless access point using the Ralink configuration utility which comes with wireless card d2. 2 Click About tab and the following settings will appear Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About R O OWAWW RALINKTECH COM c Copyright 2007 Ralink Technology Inc All rights reserved RaConfig Version 1 3 2 10 Date 07 30 2007 Driver Version 1 0 4 0 Date 07 28 2007 EEPROM Version 0 1 Firmware Version 0 4 IP Address 192 168 1 6 Phy_Address 00 80 41 B5 4F E1 Sub Mask 255 255 255 0 Default Gateway 192 168 1 254 50 The About screen shows release dates as well as driver utility versions and the MAC IP address of the card Please click OK to close configuration utility 51 Chapter 3 APPENDIX 3 1 Troubleshooting If you encounter any problem when you re using this wireless network card don t panic Before you call your dealer of purchase for help please check this troubleshooting table the solution of your problem could be very simple and you can solve the problem by yourself Scenario Solution can t find any wireless access 1 Click Rescan for few more times and see if you can point wireless device in Site find any wireless access point or wireless device Survey function 2 Please move closer to any known wireless access point 3 Ad hoc function must be enabled for the wireless device you wish to establish a direct wireless link 4 Please adjust the pos
3. 61 MAC Address Authentic Encryption Detail Connect Rotate Disconnect Delete pin M WPS Associate IE CF Mutt uma 45 3 Push the WPS button on your wireless access point the button used to activate WPS standby mode may have another name or use other way to start WPS standby mode as the instruction given by your wireless access point s user manual 4 Before you start to establish the wireless connection by using WPS you can click Rescan button to search for WPS enabled access points near you to make sure the WPS function of your access point is activated Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About SSID BSSID c ID Authe Ene C _Rescan_ Ralinklnitial P O0 0C 43 25 61 00 1 Ox0000 WPA TKIP r Pin Code 26460161 MAC Address Authentic Encryption Disconnect pi M WPS Associate IE FT JWPS ProbelE fwpSstatusisnotused All access points found will be displayed Please make sure the access point you wish to connect is displayed If not please click Rescan few more times You can also click Information button to see the detailed information about selected access point 5 Click PBC button now to start to establish wireless connection by WPS and please be patient This may require several seconds to one minute to
4. Channel Authenticat Encryption t on PP SSeee rng rene lt OTS PO D Teesaessoosesosst Or you can add a connected wireless access point or wireless device to a profile by clicking Site Survey tab then click Add to Profile button 23 Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile 00 0E 2E 44 6B 65 wi Infrastruct 00 07 40 FE 60 24 TKIP WP amp A P Infrastruct g And you can set the parameter for this connection here Add Profile Configuration Authentication and Security Profile Name PROFT SSID default v O PSM Power Saving Mode Network Type Infrastructure v TX Power Auto v Preamble Auto CI RTS Threshold a C Fragment Threshold 256 S 2346 Cx am 24 Here are descriptions of every setup items Profile Name SSID PSM Power Saving Mode Network Type TX Power Preamble RTS Threshold Fragment Threshold Please give this profile a name up to 32 alphanumerical characters and symbols are allowed but space is not allowed The SSID of the wireless access point or wireless device you selected will be displayed here But if the SSID of access point or wireless device is not available you have to input it here manually Please select CAM constantly awake mode keep the wireless rad
5. complete When you see WPS status is connected successfully message means the connection between your wireless 46 network card and access point is successfully connected by WPS and the information about access point you connected to will be displayed TIPS You can push WPS button on network card too it s the same as the PBC button in configuration utility Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About SSID BSSID GC ID Authe Encry Rescan Ralinklnitial4P O0 0C 43 25 61 00 1 Ox0000 WPA TKIP z Belkin amp P 00 14 45 5E 78 52 4 WPA2 AES Pin Code 26460161 SSID MAC Address Authentic Encryption B RalinkinitialaP256100 00 04 79 97 27 FC WPA PSK TKIP Connect i Rotate Disconnect Delete I WPS associate IE PARAAAAAAAAAANAANAAUAAAADANOAODANUANDNI WPS probe IE MWwPS status is connected successfully Ralink nitial4P256100 Sometime WPS may fail and you can click PBC button few more times to try again When an access point is connected you can click Disconnect to disconnect your wireless network card from a connected access point or select another WPS enabled wireless access point then click Connect to establish connection to selected access point if there are more than one WPS enabled access point found You can also click Rotate button and ne
6. instructions to set advanced wireless settings Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities s Launch Config Utilities a lt Lise vere Tanara is Configuration utility Switch to 4P Mode Exit Click QoS tab and the following settings will appear 41 Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile _ WMM Power Save Enable C Direct Link Setup Enable Direct Link Direct Link Setup MAC Address Timeout Value E DLS Status MAC Address Timeout Here are descriptions of every setup items WMM Enable Check this box to enable WMM function Please click Apply button on the right of this check box after you check or uncheck this box so corresponding settings in this window will be activated or deactivated respectively WMM Power Enable WMM power saving mode to save energy Save Enable and lets your battery live longer Setting Click this button to select the WMM data type which will suppress the function of power saving When this kind of data is transferring power saving function will be disabled Available data types are AC_BK Background Low Priority AC_BE Best Effort AC_VI Video First and AC_VO Voice First 42 Direct Link Enable or disable direct link setup DLS function Setup
7. lt lt Crn C e era Here are descriptions of every setup item SSID The Service Set IDentifier of wireless access point or other network device You can think it as the name of access point of wireless device BSSID The MAC address of wireless access point or other network device Unlike SSID BSSID of every access point or network device is unique and will not be the same with others So you can identify a single access point or wireless device from others by BSSID if they all have the same SSID Signal Shows the signal strength of access point or wireless device Larger number means better radio strength which often means you re not too far from that access point or wireless device Channel Shows the channel number that access point or wireless device 13 Uses Encryption Shows the encryption method that access point or wireless device uses If the wireless access point does not enable encryption you ll see None displayed here Authentication Shows the authentication mode that access point or wireless device uses If the wireless access point does not require authentication you ll see Unknown displayed here Network Type Shows the type of wireless connection If it s a wireless access point Infrastructure will be displayed here if it s a computer or network device AdHoc will be displayed here Tips Wireless access point Infrastructure is a network device
8. which acts as a bridge to let wired and wireless network devices communicate with each other AdHoc is another connection type A computer or network device can establish a direct wireless link with other computer or network device directly without the help of wireless access point Click the wireless access point or network device you wish to connect it will be highlighted then click Connect Note There is no Connect button in Window Vista You have to use the Add Profile feature to build the wireless connection with the selected network Please refer to the Profile information 14 Ralink Wireless Utility Authe Network oo ee Oman 7 lt A osc C es eco If the access point you selected does not enable encryption The content of Encryption field of the access point you selected is None you ll be connected to this wireless access point within one minute Please jump to step 6 If the access point you selected enables encryption please proceed to next step If the wireless access point does not have SSID you ll be prompted to input it here Please ask the owner of wireless access point and input the exact SSID here then click OK when ready If the SSID you provided here is wrong you ll not be able to connect to this access point If the wireless access point you selected have SSID please skip this step 15 Please enter 551D 5 Ifth
9. 270 0 Rx Mbps Throughput Tx Kbps 0 0 Rs Kbps Good 100 Link Quality Weak 34 Signal Strength 1 Good 76 Signal Strength2 Good 76 Signal Stength 3 AAAAAAAADANAOAODOODAOOOOOOOROOANI Noise Level HT BW 40 Gi long MCS 15 SNARO 18 SNR1 17 36 These information displayed here are updated every second and here are descriptions of every item Status Extra Info Channel Link Speed Throughput Link Quality Signal Strength 1 Signal Strength 2 Noise Level dBm Displays the SSID and BSSID of connected wireless access point or wireless device displayed as SSID lt gt BSSID as shown in above picture If there s no active connection currently Disconnected will be displayed here Displays the link status Link is up or Link is down and the radio transmitting power of your network card Displays the radio channel being used now Displays the link speed of data transmitting Tx in Mbps and receiving Rx in Mbps Link speed is the maximum available data transfer speed of the wireless connection and depends on the radio signal quality of wireless connection Displays the rate of data transmitting Tx in Kbps and receiving Rx in Kbps Displays link quality radio signal quality When the link quality is better the wireless link speed will be better too Link quality is displayed by percentage and a descriptive word Good n
10. CWD 905 Wireless N USB Dongle User Manual July 2007 Table of Contents Chapter 1 Introduction 2 5 55 2cc 25 asda eaidebanuneus ieee 1 1 About CWD 905 so ei ennn a aa a a aS 1 2 Main FO atures x sci ccstcceiaieudesattrGucied connaiegeaseivn Geeceiuniabiedeiairaiacnes 1 3 System Requirements si ssceieci enna ovis Mad ananes 1 4 Getting to Know CWD 905 0 000 ccceeecntecsseenseeeeneeees Chapter 2 Driver Installation and Configuration 0 0 cece 2 1 USB Adapter Installation 0 00 cc ccccsccsseceseceeseeesseenseeees 2 2 Connect to Wireless Access Point c ccc cccccccceetsceteeneeenes 2 3 Connection Profile Management 0 cc ccccceeseeeteeneeenee 2 4 View Network Statistics and Link Status 0 000000 ee 2 5 Advance Settings 2 c50 ec cccisiicesdeseassedidessascedeesdesacicaed cdssensedabesvencias 2 60 QoS et 11 Laan RR rer Er 2 7 WPS Configuration cc cccsccssssssesecesecseecseesseseeesseceseeseeaes 28 ABDOU i e canon toa neta eect edd ne Chapter 3 APPENDIX 24 eect eae ead hake Es at We ee 3 1 TOUDIESHOOTING cincinnati Mani daten eed 3 2 GIOSSANY 2sc2 oss ea naera st enieosnh eran ea as as Chapter 1 Introduction 1 1 About CWD 905 Thank you for purchasing this high speed 802 11 b g n Draft 2 0 wireless USB dongle The Wireless N USB Dongle can be installed in most notebooks or desktops and provides true flexibility by allowing the computer to be positi
11. Enable This function will greatly improve the data transfer rate between WMM enabled wireless devices Please click Apply button on the right of this check box after you check or uncheck this box so corresponding settings in this window will be activated or deactivated respectively MAC Address Input the MAC address of another WMM enabled wireless device you wish to establish a direct link here then click Apply to add this MAC address to DLS address table Timeout Value Input the timeout value of this WMM enabled direct link wireless device If the wireless device is not responding after this time it will be removed from DLS table Tear Down If you want to remove a specific wireless device from DLS table select the device and click this button to remove it After you finish the settings click OK to close configuration utility 43 2 7 WPS Configuration Wi Fi Protected Setup WPS is the latest wireless network technology which makes wireless network setup become very simple If you have 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 you have to do is go to the WPS setup page of this wireless card click a button if your wireless card has a hardware WPS button you can also simply push the hardware WPS button on the wireless card and then press a specific button on the wireless acce
12. Here are descriptions of every setup items Authentication Select the authentication type of the wireless access Type point or wireless device you wish to connect If you re adding a profile from an existing access point or wireless device the value will be selected automatically and please do not modify it If you select LEAP the following message will be displayed Please input LEAP identity password domain name and select encryption type You can check Show Password box so the password you inputted will be displayed as you type but not replace by asterisk 26 Add Profile Configuration Authentication and Security Authentication Type Identity Password Domain Name WEP O WPA TKIP O WPA2AES C Show Password 5 Encryption Select the encryption type of the wireless access point or wireless device you wish to connect If you re adding a profile from an existing access point or wireless device the value will be selected automatically and please do not modify it WPA Input WPA preshared key here If encryption is not Preshared Key enabled or you select WEP as encryption type this field will be disabled and grayed out WEP Key You can select key type Hex or ASCII and input WEP key here If encryption is not enabled or you select WPA as encryption type this field will be disabled and grayed out Show Password Check this box and all pa
13. abase or wireless application for mobile workers 6 What is BSS ID A specific Ad hoc LAN is called a Basic Service Set BSS Computers ina BSS must be configured with the same BSS ID 7 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 8 What is TKIP TKIP is a quick fix method to quickly overcome the inherent weaknesses in WEP security especially the reuse of encryption keys TKIP is involved in the IEEE 802 11i WLAN security standard and the specification might be officially released by early 2003 9 What is AES 54 AES Advanced Encryption Standard a chip based security has been developed to ensure the highest degree of security and authenticity for digital information wherever and however communicated or stored while making more efficient use of hardware and or software than previous encryption standards It is also included in IEEE 802 11i standard Compare with AES TKIP is a temporary protocol for replacing WEP security until manufacturers implement AES at the hardware level 10 Can Wireless products support printer sharing Wireless products perform the same function as LAN products Therefore Wireless products can work with Netware Windows 2000 or other LAN operating systems to support printer or file sharing 11 Would the information be intercepted while transmitting on air WLAN features two fold protect
14. ability 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 14 What is WMM Wi Fi Multimedia WMM a group of features for wireless networks that improve the user experience for audio video and voice applications WMM is based on a subset of 55 the IEEE 802 11e WLAN QoS draft standard WMM adds prioritized capabilities to Wi Fi networks and optimizes their performance when multiple concurring applications each with different latency and throughput requirements compete for network resources By using WMM end user satisfaction is maintained in a wider variety of environments and traffic conditions WMM makes it possible for home network users and enterprise network managers to decide which data streams are most important and assign them a higher traffic priority 15 What is WMM Power Save WMM Power Save is a set of features for Wi Fi networks that increase the efficiency and flexibility of data transmission in order to conserve power WMM Power Save has been optimized for mobil
15. ard specifically calls for A Anew physical layer for the 802 11 Medium Access Control MAC in the 2 4 GHz frequency band known as the extended rate PHY ERP The ERP adds OFDM as a mandatory new coding scheme for 6 12 and 24 Mbps mandatory speeds and 18 36 48 and 54 Mbps optional speeds The ERP includes the modulation schemes 53 found in 802 11b including CCK for 11 and 5 5 Mbps and Barker code modulation for 2 and 1 Mbps B Aprotection mechanism called RTS CTS that governs how 802 11g devices and 802 11b devices interoperate 2 What is the IEEE 802 11b standard The IEEE 802 11b Wireless LAN standard subcommittee which formulates the standard for the industry The objective is to enable wireless LAN hardware from different manufactures to communicate 3 What does IEEE 802 11 feature support 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 4 What is Ad hoc An Ad hoc integrated wireless LAN is a group of computers each has a Wireless LAN card Connected as an independent wireless LAN Ad hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation 5 What is Infrastructure An integrated wireless and wireless and wired LAN is called an Infrastructure configuration Infrastructure is applicable to enterprise scale for wireless access to central dat
16. ble disk space 1 4 Getting to Know CWD 905 1 USB Connector 2 Connector Cap To protect USB connector when not in use 3 Link Activity LED LED Name Light Status Description Link On Linked to a wireless access point Activity Transferring data Off No wireless activity Chapter 2 Driver Installation and Configuration 2 1 USB Adapter Installation Please follow the following instructions to install your new wireless USB dongle 1 Insert the wireless USB dongle into an empty USB 2 0 port of your computer when computer is switched on Never use force to insert the USB device if you feel it s stuck flip the USB device over and try again 2 3 The following message will appear on your computer click Cancel 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 Insert the Auto Install CD into your CD ROM drive Unless you have disabled the auto run feature of Windows the AutoPlay Menu should appear automatically If not you can manually access the installation by clicking the Start button and choo
17. e devices running latency sensitive applications such as voice audio or video but can benefit any Wi Fi device WMM Power Save uses mechanisms included in the IEEE 802 11e standard and is an enhancement of IEEE 802 11 legacy power save With WMM Power Save the same amount of data can be transmitted in a shorter time while allowing the Wi Fi device to remain longer in a low power dozing state 16 What is GI GI stands for Guard Interval It s a measure to protect wireless devices from cross interference If there are two wireless devices using the same or near channel and they are close enough radio interference will occur and reduce the radio resource usability 17 What is STBC STBC stands for Space Time Block Coding which is a technique used to transfer multiple copies of data by multiple antenna to improve data transfer performance By using multiple antennas not only data transfer rate is improved but also the wireless stability 18 What is WPS WPS stands for Wi Fi Protected Setup It provides a simple way to establish unencrypted or encrypted connections between wireless clients and access point automatically User can press a software or hardware button to activate WPS function and WPS compatible wireless clients and access point will establish connection by themselves There are two types of WPS PBC Push Button Configuration and PIN code 56
18. e wireless access point uses encryption you have to input WEP passphrase or WPA preshared key Please ask the owner of the wireless access point you want to connect and input the correct passphrase preshared key here then click OK If the value you inputted here is wrong you will not be able to connect to this wireless access point Authentication type is selected automatically please don t change it If the access point you selected does not enable encryption and does not require authentication please skip this step Authentication and Security Authentication Type a Encryption WPA Preshared Key Wep Key v C Show Password PT oot See g 3 s e oo SP emnewenensee 6 You ll see Connected lt gt SSID SSID is the SSID of the wireless access point or 16 wireless device you connected to message displayed at lower left corner of configuration utility congratulations you re successfully connected to the access point or wireless device you selected Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About Sopa BSSID lull si C Enoy Awhe Network Wireless Rout 00 00 00 FE 60 TKIP WRAP g g Connected lt gt Wireless Router Add to Profile You can put the mouse cursor over the Ralink configuration utility icon and the brief information about link s
19. entication Status Dialog C Enable TCP window Size C Enable CCX Cisco Compatible extensions hd C Fast Roaming at 70 j Ed Tum off RF 38 Here are descriptions of every setup items Wireless mode Wireless Protection TX Rate Tx BURST Enable TCP Window Size Fast Roaming at Turn off RF Select wireless operation mode available options are 802 11 B G mix 802 11 B only and 802 11 B G N mix You can select 802 11 B G N mix to maximize wireless compatibility with wireless access points and other wireless devices Anyway you can Set this setting to 802 11 B only when you re going to communicate with old 802 11b wireless devices and you got problem using other two modes This setting helps your network card to avoid interference with other wireless devices when there are both 802 11b and 802 11g wireless devices in the same place It s recommended to set this setting to Auto since enabling this setting will slightly reduce the data transfer performance Normally the wireless network card will adjust transfer rate automatically according to wireless signal quality However you can fix the data transfer rate to a lower fixed rate if you think there s some problem about data transfer or you re too far from wireless access point It s recommended to set this setting to Auto unless you really know the meaning of this setting Check this box to accelerate
20. ficate on your computer This box is always checked and can not be modified If the authentication type you use is EAP FAST you can use protected authentication credential by check this box Remove the credential you imported previously Import the authentication credential file PAC or al file format you ll be prompted to select a credential file from your computer You can select the protocol of tunneled authentication here This pulldown menu is only available when authentication type you use is PEAP or TTLS When you use EAP FAST as authentication type the protocol setting is always Generic Token Card and can not be changed Please input the identity of tunneled authentication here 31 Password Please input the password of tunneled authentication of tunneled here authentication Password Mode Please select the password mode of EAP FAST authentication mode This setting is hidden when the authentication type is not EAP FAST After you finish all settings click OK to save settings and exit 32 2 3 3 Using 802 1x CA Server If you want to use CA server please click CA Server tab And the following message will be displayed Here are descriptions of every setup items Use certificate chain Certificate Issuer Allow intermediate certificates Server name Server name must match exactly Domain name must end in speci
21. fied name Check this box to enable the use of certificate chain Please select the issuer of certificate from this dropdown menu Check this box if you wish to allow intermediate certificates Input the server name of CA server here Check this box and the wireless configuration utility will check if the server name of CA server you Set here is exactly matched with the CA server connected to If they don t match connection will be dropped Check this box and the wireless configuration utility will check the end of domain name If there s anything wrong connection will be dropped After you finish all settings click OK to save settings and exit 33 2 4 View Network Statistics and Link Status The configuration utility provides information about network statistics and link status If you want to know how your wireless network card works you can use these functions to get detailed information about the wireless connection you re using 2 4 1 Network Statistics Please follow the following instructions to check network statistics 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities ana nerere aooweonaweccnec to iD ae es Launch Config Utilities a Penal wrens aseavee Use Sere tanaan 35 Configuration utility Switch bo 4P Mode Exit 2 Click Statistics tab and the statistics
22. figure the wireless network card here It s recommended to select Ralink Configuration Tool which provides fully access to all function of this wireless network card If you prefer to use the wireless configuration tool provided by Windows XP or Vista please select Microsoft Zero Configuration Tool then click Next RALINK Wireless Network Card Setup Choose Configuration Tool Select Configuration Tool Ralink Configuration Tool Microsoft Zero Configuration Tool InstallShield There are two wireless performance mode you can select here Optimize for WiFi mode or Optimize for performance mode If you want to enhance wireless performance please select Optimize for performance mode However wireless compatibility is not guaranteed in this mode If you want to use this mode you may not be able to communicate with older wireless devices and wireless access point such as 802 11b devices but the data transfer rate will be enhanced in this mode You can select this mode when you only plan to communicate with 802 11 Draft N devices If you want to keep compatibility and communicate with older wireless devices please select Optimize for WiFi Mode When you select one mode please click Next gt to continue If you see Found New Hardware message again please ignore it and wait Choose Configuration TxBurst or WiFi Choose Configuration TxBurst or Ww amp Optimiz
23. for debugging purpose Enable Cisco Compatible eXtensions CCX is a wireless feature developed by Cisco used to improve the wireless performance with CCX compatible wireless devices Check this box if you need to connect to CCX compatible wireless devices Check this box to enable CCKM Cisco Centralized Key Management which enables wireless clients to roam between CCKM enabled access points in very short time When you re connecting to CCX compatible access point check this box to enable radio measurement function to improve wireless connectivity When you re connecting to CCX compatible access point check this box to enable measurement on unused radio channels to improve wireless connectivity Limit the time used for said measurement to a certain time Default value is 250 After you finish the settings click Apply to apply new settings and click OK to close configuration utility 40 2 6 QoS Settings This wireless network card provides QoS Quality of Service function which can improve the performance of certain network applications like audio video streaming network telephony VoIP and others When you enable WMM Wi Fi MultiMedia function of this network card you can define the priority of different kinds of data to give higher priority to applications which require instant responding Therefore you can improve the performance of such network applications Please follow the following
24. io activity when not transferring data or PSM Power saving mode switches radio off when not transferring data It s recommended to choose PSM if you re using this network card with notebook computer to help the battery live longer Select network type Ad Hoc or Infrastructure If you re adding a profile from an existing access point or wireless device it s automatically selected and you don t have to change it You can select the radio output power of wireless network card You may not need full radio power if you re not far from wireless access point and only use a high setting here if you found that radio reception is bad If you don t know which one to use select Auto This option is only available when the network type is Ad hoc You can select Auto or Long Preamble Please select Auto if you don t know what it is Check the box and you can set RTS threshold manually here Do not modify default setting unless you know what it is Check the box and you can set fragment threshold manually here Do not modify default setting unless you know what 25 it is Now click Authentication and Security tab and set the encryption and authentication settings Add Profile SS Configuration Authentication and Security Authentication Type WPA PSK v Encryption TKIP WPA Preshared Key Wep Key C Show Password
25. ion in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security feature of scrambling On the software side WLAN series offer the encryption function WEP to enhance security and Access Control Users can set it up depending upon their needs 12 What is DSSS What is FHSS And what are their differences Frequency hopping spread spectrum FHSS uses a narrowband carrier that changes frequency in a pattern that is known to both transmitter and receiver Properly synchronized the net effect is to maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct sequence spread spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip is the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the radio can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers 13 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission critical communication systems It is designed to trade off bandwidth efficiency for reli
26. ition of network card 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 Nothing happens when click 1 Please make sure the wireless network card is Launch config utilities inserted into your computer s USB port If the Ralink configuration utility s icon is black the network card is not detected by your computer 2 Reboot the computer and try again 3 Remove the card and insert it into another USB port 4 Remove the driver and re install 5 Contact the dealer of purchase for help can not establish connection 1 Click Connect for few more times with a certain wireless access 2 If the SSID of access point you wish to connect is point hidden nothing displayed in SSID field in Site Survey function you have to input correct SSID of the access point you wish to connect Please contact the owner of access point to ask for correct SSID 3 You have to input correct passphrase security key to 52 4 The access point you wish to connect only allows connect an access point with encryption Please contact the owner of access point to ask for correct passphrase security key network cards with specific MAC addres
27. of wireless connection will be displayed Ralink Wireless Utility pu Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile Transmit Statistics Frames Transmitted Successfully Frames Fail To Receive ACK After All Retries RTS Frames Successfully Receive CTS RTS Frames Fail To Receive CTS Frames Retransmitted Successfully Receive Statistics Frames Received Successfully Frames Received With CRC Error Frames Dropped Due To Out of Resource Duplicate Frames Received Reset Counter All connection related statistics is displayed here You can click Reset Counter to reset 34 the statistics of all items back to 0 Click OK to close the window 35 2 4 2 Link Status Please follow the following instructions to check network statistics 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities maraton as Configuration utility Switch to 4P Mode Exit 2 Click Link Status tab and information about current wireless connection will be displayed Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile Status default lt gt 00 0E 2E 44 6B 01 Extra Info Link is Up TxPower 100 Channel 1 lt gt 2412 MHz central channel 3 Link Speed Tx Mbps
28. oned almost anywhere in the building without the cost and hassle of running network cables Using the wireless USB dongle you don t have to worry about drilling holes in your walls and climbing through the attic or cellar to get connected to the network Once installed and connected you can keep in touch with friends and work through e mail instant messaging and chat rooms as well as sharing files and other network resources such as printers and network storage with other computers The Wireless N USB Dongle connects to 802 11n networks at an incredible speed of 300Mbps And for added versatility it also interoperates with all Wireless G and B products found at homes businesses and public wireless hotspots around the country 1 2 Main Features The following lists the main features of the Wireless N USB Dongle e Complies with IEEE 802 11n Draft 2 0 and IEEE 802 11g b standards e 6 times faster speeds than Wireless G e Interoperates with existing Wireless G B equipments e Advanced WPA Wi Fi Protected Access encryption 64 128 bit WEP and AES TKIP provide maximum wireless security e Cisco CCX V1 0 V2 0 and V3 0 compliance e Supports operating system Windows 2000 XP XP64 Windows Vista e Ease of Installation and Use 1 3 System Requirements e An empty USB 2 0 port May not work on USB 1 1 port and performance will be greatly reduced e Windows 2000 XP or Vista operating system e CD ROM drive e Atleast 100MB of availa
29. ormal weak and low Displays the radio signal strength of built in antenna 1 Displays the radio signal strength of built in antenna 2 Displays the percentage or level of noise unusable signal If the value of this item is high data transfer rate will drop Check this box and the value of signal strength and noise level will be displayed in dBm level instead of percentage There are several wireless statuses available at the bottom of this window 37 2 5 Advance Settings This wireless network card provides several advanced settings for experienced wireless users You can change these settings to increase data transfer performance or change operation mode Please follow the following instructions to set advanced wireless settings 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities awe Rae BE OE BET ST SBE e see ra panne eecen jeonee ast oo ee sen cl Launch Config Utilities a os am se Serer tanari 35 Configuration utility Switch to 4P Mode Exit 2 Click Advanced tab and the following settings will appear Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile Wireless mode 802 11 B G N mix s f Select Your Country Region Code Wireless Protection Auto v 11B G 0 CH1 11 x CJ Tx BURST C Show Auth
30. own here 48 3 Click PIN button now and wait for few seconds to one minute If a wireless access point with correct PIN code is found you ll be connected to that access point Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About SSID BSSID Ci ID Authe Enci Ralinklnitial P 00 0C 43 25 61 00 1 00000 WPA TKIP T Belkin P 00 14 45 5E 78 52 4 WPA2 AES information Pin Code 26460161 SSID MAC Address Authentic Encryption RalinkInitislAP2561 00 00 04 79 97 27 FC WPA PSK TKIP C Connect Rotate Disconnect Delete ves coca e MANENE WPS probe WPS status is connected successfully RalinkInitial4P2561 00 You may have to click PIN for few more times to try again If you still can not connect to access point by this way please make sure the PIN code you provided to access point is correct 49 2 8 About The About tab provides you the information about version numbers of configuration utility firmware and other important information about your wireless network card Please follow the following instructions to see these information 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Launch Config Utilities gration as Configuration utility Switch to AF Mode Exit
31. river and using built in windows zero configuration utility 2 2 1Using Ralink Utility Please follow the following instructions to use Ralink configuration utility to connect to wireless access point 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Launch Config Utilities oe ear zerean as Configuration utility Switch bo AF Mode i Exit zg 2 Configuration utility will scan for all wireless access points automatically Scan results will g lt be displayed here please check if the wireless access point with the SSID the name of wireless access point you preferred is shown here If the wireless access point you wish to connect does not show here please click Rescan to try again until the one you preferred is displayed You may have to click Rescan for more than two times before you can see the access point you wish to use here sometimes If you still cannot see the access point you wish to use after clicking Rescan for more than five times please move your computer closer to the location where the wireless access point is 12 Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS WPS Configuration About SSID BSSID Si C Enc Authe Network Wireless Router 00 00 00 FE 60 24 4 TKIP WPA P Infrastruct lt a
32. s to establish connection Please go to About tab and write the value of Phy_Addess down then present this value to the owner of access point so he she can add the MAC address of your network card to his her access point s list The network is slow having problem when transferring large files CO BR Oo NS D Please try one or more solutions listed above Move closer to the place where access point is located Enable Wireless Protection in Advanced tab Try a lower TX Rate in Advanced tab Disable Tx Burst in Advanced tab Enable WMM in QoS tab if you need to use multimedia telephony related applications Disable WMM Power Save Enable in QoS tab There could be too much people using the same radio channel Ask the owner of the access point to change the channel number 3 2 Glossary 1 What is the IEEE 802 119 standard 802 11g is the new IEEE standard for high speed wireless LAN communications that provides for up to 54 Mbps data rate in the 2 4 GHz band 802 11g is quickly becoming the next mainstream wireless LAN technology for the home office and public networks 802 11g defines the use of the same OFDM modulation technique specified in IEEE 802 11a for the 5 GHz frequency band and applies it in the same 2 4 GHz frequency band as IEEE 802 11b The 802 11g standard requires backward compatibility with 802 11b The stand
33. sing Run In the drop down box type D AUTORUN EXE where D is the drive letter for your CD ROM drive Alternately double click My Computer and double click on the CD drive icon Click on CWD 905 to install driver and utility for your wireless network card AutoPlay Menu Technology Inc 4 Insert device driver CDROM into the CD DVD ROM drive of your computer and execute Setup exe program in Driver folder Please read the end user license agreement and click Yes to accept license agreement RALINK Wireless Network Card Setup Please read the following License Agreement icense agreement Use the scroll bar to view RALINK Wireless Utility for Windows 98 ME 2000 xP Copyright C RALINK TECHNOLOGY CORP All Rights Reserved Thank you for purchasing RALINK Wireless product SOFTWARE PRODUCT LICENSE The SOFTWARE PRODUCT is protected by copyright laws and international treaties as well as other intellectual property laws and treaties The SOFTWARE See is licensed not sold 1 GRANT OF LICENSE This End User License Agreement grants you the following tights Installation and Use You may install and use an unlimited number of copies of the SOFTWARE PRODUCT Reproduction and Distribution You may reproduce and distribute an unlimited number of copies of the SOFTWARE PRODUCT provided that each copy shall be a true and complete Install Shield 5 You can choose the configuration tool used to con
34. ss point you wish to establish a secure connection just three simple steps For older wireless access points it s possible to perform a firmware upgrade to become a WPS enabled access point Since they may not have a hardware button to press for WPS setup you can use an alternative WPS setup method input the pin code Every WPS compatible wireless network card comes with a unique WPS pin code you can just input the code to wireless access point and the wireless access point and wireless network card will do the rest for you This wireless network card is compatible with WPS To use this function the wireless access point you wish to connect to must support WPS function too Now please follow the following instructions to establish secure connection between WPS enabled wireless access point and your wireless network card 44 2 7 1 WPS Setup PBC Push Button Configuration 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities eancacees Ba 777 Launch Config Utilities ss Teer emr Genfiqurstii ss Configuration utility Switch to AF Mode Exit 2 Click WPS Configuration tab and the following settings will appear I Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile SSID BSSID C ID Authe Envy Information Fin Code 264801
35. ssphrases or security keys you inputted will be displayed as you type but not replace your input with asterisk 27 Use 802 1x Enable 802 1x wireless authentication Please click 802 1x Setting button to set 802 1x parameters See next section After you finish all settings click OK to save settings and exit The profile you just created will be displayed Ralink Wireless Utility ay Link Status Site Survey Statistics Advanced QoS WPS Configuration About Profile Profile List ware Profle Name S910 Channel Authenticat Enowption a Network B HOMEL default Auto WPA PSK TKIP Infrastructure eooecosee ween nee e Activate 3 Sesesaonononaes 28 Select the profile you wish to use and click Activate to use the profile you selected You can only activate a profile a time and the profile which is activated currently will have a green check v will be displayed before its name before its name If the wireless access point is not reachable a red check wi If you want to change the connection parameters of a specific profile just select it and click Edit button you ll be prompted to input the connection parameters just like you re creating a new profile If you no longer need a profile select the profile then click Delete 29 2 3 2 Using 802 1x Certification After you click 802 1
36. t Connections File Edit view Favorites Tools Help Q ax Y amp Search gt gt Folders E T Address G Network and Internet Connections Network and Internet Connections See Also My Network Places HD Printers and Other i ous Pick a task Remote Desktop RB Phone and Modem Options Add a Bluetooth device BJ Create a connection to the network at your workplace 5 Set up or change your Internet connection B Set up or change your home or small office network Troubleshooters B Set up a wireless network for a home or small office 2 Home or Small Office Networking B Change Windows Firewall settings 2 Internet Explorer 2 Network Diagnostics or pick a Control Panel icon wi Bluetooth Devices Internet Options y s Network Connections A Network Setup Wizard Windows Firewall Wireless Network Setup Wizard 4 Right click Wireless Network Connection it may have a number as suffix if you have more than one wireless network card please make sure you right click the Ralink 802 11n Wireless LAN Card then select View Available Wireless Networks p Wireless Network Connection 2 LAN or High Sp Not connected Firewalled Local 4rea Connection Disable irewalled 2k 1394 Connection iew Available Wireless Networks alled Status Repair Bridge Connections Create Shortcut Delete Rename Properties 5 All wireless access points in proximity
37. tatus and signal strength of current wireless connection will be shown as a popup balloon Ralink Wireless LAN Card Status Weak VarioxNET Cs 216 PM 17 2 2 2Using Windows Zero Configuration Windows XP and Vista has a built in wireless network configuration utility called as Windows Zero Configuration WZC You can also use WZC to configure your wireless network parameter 1 Right click Ralink configuration utility icon and select Use Zero Configuration as Configuration utility Exit STATE ETRE toden wessecnteeet 2 Click Start button should be located at the bottom left corner of windows desktop click Control Panel then click Network and Internet Connections in Control Panel amp Control Panel File Edit view Favorites Tools Help sec BS Search gt gt Folders N Address E Control Panel Vs Control Panel x e Switch to Classic View See Also Pick a category ic Be Appearance and Themes e 4 Windows Update 7 Help and Support lt Network and Internet Connections 9 Add or Remove Programs A f 2 Sounds Speech and Audio Devices Performance and Maintenance 18 PX Printers and Other Hardware T ow s B User Accounts Date Time Language and Regional Options Accessibility Options Security Center 3 Click Connect to a network under Network Connections E Network and Interne
38. the data transmit rate It may not work with all wireless access point and wireless devices Check this box and the configuration utility will adjust TCP window size automatically to get better performance It should be safe for most of wireless environments but if you found some problem on data transfer uncheck this box Check this box and you can adjust the threshold of when this wireless network card should switch to another wireless access point with better signal quality Only adjust value when you understand what it means Click this button to switch wireless radio off click it again switch wireless radio on 39 Select Your Country Region Code Show Authentication Status Dialog Enable CCX Turn on CCKM Enable Radio Measurement Non Serving Channel Measurements Limit milliseconds Select the country region code of the place you re living Different country region has different regulations on wireless devices and it s forbidden to use certain channel radio frequency in some countries or regions Please select the country and region code according to the place you live When your computer is being authenticated by wireless authentication server a dialog window with the process of authentication will appear This function is helpful to find out the problem when you can not be authenticated and you can provide this information to authentication server s administrator
39. twork Connection 2 Network Tasks Refresh network list 2 Set up a wireless network for a home or small office vabled wi Related Tasks nis rk requires ar F ork To disconnect WD Learn about wireless networking te Change the order of preferred networks P Change advanced settings 21 2 3 Connection Profile Management If you need to connect to different wireless access points at different time like of access point of your home office cybercafe or public wireless service you can store the connection parameters encryption passphrase security etc etc as a profile for every access point so you don t have in input these parameters every time you want to connect to a specific wireless access point 2 3 1Make a profile for an access point or wireless device 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Launch Config Utilities Use Zero Comguration as Configuration utility Switch to 4P Mode Exit 2 There are two ways to add a new connection profile Create a new profile or Add a profile from an existing wireless access point or wireless device If you want to click new profile click Profile tab then click Add button 22 I lt Ralink Wireless Utility Link Status Site Survey Statistics Advanced QoS WPS Configuration Abd Profile List Profile Name SSID
40. will be displayed here If the access point you want to use is not displayed here please try to move your computer closer to the access point or you can click Refresh network list to rescan access points Click the access point you want to use if it s shown then click Connect 19 i Wireless Network Connection 2 Choose a wireless network Network Tasks Refresh network list Click an item in the list below to connect to a wireless network in range or to get more information 2 Set up a wireless network default for a home or small office Related Tasks UD Learn about wireless networking ir Change the order of preferred networks Change advanced settings 6 If the access point is protected by encryption you have to input its security key or passphrase here It must match the encryption setting on the access point If the access point you selected does not use encryption you ll not be prompted for security key or passphrase Wireless Network Connection The network default requires a network key also called a WEP key or WPA key amp network key helps prevent unknown intruders From connecting to this network Type the key and then click Connect Network key Confirm network key Connect Cancel 7 If you can see Connected message the connection between your computer and wireless access point is successfully established 20 Wireless Ne
41. x Setting a new window will appear 802 1x Setting Cettification CA Server IPEAP Session Resumption Disabled Authentication Type Identity Pas j Domain Name j j C Use Client certificate Tunneled Authentication Protocol EAP MSCHAP v2 v Identity Password Here are descriptions of every setup items Authentication Please select an 802 1x authentication type here Type The type you select here must be identical to the type of the 802 1x authentication type you re using Session You can enable or disable session resumption here Resumption If you don t know if you should enable session resumption or not please ask your 802 1x authentication administrator Identity Please input 802 1x identity here Password Please input the password of 802 1x identity here 30 Domain Name Use Client More Allow unauthenticated provision mode Use protected authentication credential Remove Import Protocol Identity of tunneled authentication Please input the domain name of 802 1x authentication here This field will be grayed out when authentication type is not EAP FAST If the authentication type you use is PEAP or TTLS you can use the certificate stored on your computer If the authentication type you use is TLS Smart Card this box is always checked After you clicked this button you ll be prompted to select a certi
42. xt access point on the list will be selected to establish connection If you want to delete a found access point from the list select it and click Delete button 2 7 2 WPS Setup PIN If the wireless access point you wish to connect supports PIN please follow the following instructions to establish connection to it 1 Right click the Ralink configuration utility icon located at lower right corner of computer 47 desktop then click Launch Config Utilities sr poaasererssssccnaaaancsossce weeereeces o 7 Launch Config Utilities ee UE Fer eoria Hz Configuration utility Switch to AP Mode Exit ae ee on wee 2 Click WPS Configuration tab and the following settings will appear Ralink Wireless Utility SSID BSSID C D Authe Enc _Rescan RalinkInitialAP 00 0C 43 25 61 00 1 Ox0000 WPA TKIP Pin Code 26460161 L J SSID MAC Address Authentic Encryption PIN M WPS Associate IE CO WPS ProbelE fwPSstatusismotused The PIN number of your wireless network card is an eight digit number located at the upper right position of configuration utility Remember it and input the number to your wireless access point as the WPS PIN code Please refer to the user manual of your wireless access point for instructions about how to do this NOTE The PIN code of every wireless network card is DIFFERENT Please don t use the sample code sh
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