Edimax EW-7318Ug Wireless USB2.0 Adapter
Contents
1. 3 Configuration Utility The Ralink Configuration Utility is a powerful application that helps you configure the USB adapter and monitor the link status and the statistics during the communication process When the adapter is installed the configuration utility will be displayed automatically This adapter will auto connect to wireless device which has better signal strength and no wireless security setting 1 lt Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About Profile List Profile Name Channel Authentication Encryption Network Ty E PROF1 Default Auto Open Infrastructure PROF2 BF_EMAX Auto Open Infrastructure E Delete Edit Activate The Ralink Configuration Utility appears as an icon on the system tray of Windows while the adapter is running You can open the utility by double click on the icon Ly RA 19 10 02 AM In Windows XP there is a Windows Zero Configuration Tool for you to setup wireless clients If you want to switch to use Ralink configuration utility please follow one of the ways as below First Way Right click the icon in the system tray and select Use RaConfig as Configuration utility Second Way A Right click the icon and select View Available Wireless Networks B Click Advanced Wireless Network Connection 38 Connect C Uncheck Use Windows to configure my wireless network setti2. the more radio signal been received by the adapter This indicator helps to find the proper position of the wireless device for quality network operation Parameter Description Noise Level Display the noise level in the wireless environment 3 4 Statistics This option enables you to view the statistic information of the connection including transmit statistics and receive statistics You may reset the counters by clicking Reset Counter Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About Transmit Statistics Frames Transmitted Successfully Frames Transmitted Successfully Without Retry Frames Transmitted Successfully After Retry s Frames Fail To Receive ACK After All Retries RTS Frames Successfully Receive CTS RTS Frames Fail To Receive CTS y Receive Statistics Frames Received Successfully Frames Received With CRC Error Frames Dropped Due To Out of Resource Duplicate Frames Received 3 5 Advance This option enables you to configure more advanced settings for example wireless mode protection mode and etc Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About Wireless mode 802 11 B G mix y r Select Your Country Region Code mAd hoc wireless mode 118 G Jo CH1 11 C OnyB B GMised OnyG 4 Mode B G Protection Auto y Tx Rate Auto Y I Tx BURST I Enable TCP window Size I Fast Roa
3. Key from joining the network and also encrypts the data traveling between authorized devices When you have set the Authentication Type to Open Shared WPA or WPA2 you can also enable IEEE 802 1x setting to use the authentication server or certification server to authenticate client users None Disable the encryption mode WEP Enable the WEP Data Encryption When the item is selected you have to continue setting the WEP Encryption keys TKIP 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 the standard WEP security 14 Parameter Description AES AES has been developed to ensure the highest degree of WPA Pre Shared Key WEP Key Key1 Key4 security and authenticity for digital information and it is the most advanced solution defined by IEEE 802 11i for the security in the wireless network Note All devices in the network should use the same encryption method to ensure the communication The WPA PSK key can be from 8 to 64 characters and can be letters or numbers This same key must be used on all of the wireless stations in the network The WEP keys are used to encrypt data transmitted in the wireless network There are two types of key length 64 bit and 128 bit Select the default encryption key from Key 1 to Key 4 by selected the radio button Fill the text b
4. Token Card The client certificate is optional required for the authentication TLS Smart Card TLS is the most secure of the EAP protocols but not easy to use It requires that digital certificates be exchanged in the authentication phase The server presents a certificate to the client After validating the server s certificate the client presents a client certificate to the server for validation There are Disabled Reauthentication Roaming SameSsid and Always selections for you to choose whether to recovery the session in different status Enter the password as the identity for the server Aclient certificate is required for TLS and is optional for TTLS and PEAP This forces a client certificate to be selected from the appropriate Windows Certificate Store and made available to the RADIUS server for certification When the authentication type is PEAP or TTLS select a protocol to be used to build the encrypted tunnel This is the protected user EAP Identity used for authentication The identity specified may contain up to 63 ASCII characters is case sensitive and takes the form of a Network Access Identifier consisting of lt name of the user gt lt user s home realm gt The user s home realm is optional and indicates the routing domain The password used for authentication It may contain up to 63 ASCII characters and is case sensitive 802 1x Setting Certification CA Server C
5. 802 11g Turbo Wireless LAN USB Adapter User Manual Version 1 1 Jun 2006 COPYRIGHT Copyright 2005 2006 by this company All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of this company This company makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Further this company reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation to notify any person of such revision or changes All brand and product names mentioned in this manual are trademarks and or registered trademarks of their respective holders Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limit
6. EC 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 1 CONTENTS INTRODUCTION gieccasssdscecnssecssssessesscndescgees tase secadonetscsvaaestenessnnens Ganeecenaoseeces venus 1 KE Ud 2 RS A E EE T E A AS 2 1 35 Package AA ages satan sczien sSeedundaiee sites nausea E Ra a Ee Eaa oeii Sa Casan 3 INSTALLATION PROCEDURE siesssisssccensesssvessodesiesssvessstenssedencesasesssntseveenvecses 4 CONEIGURATION UTILITY isisicsssiccessesscesdsccsdovensesctcdesesovectocscesceecsctocesdsensass 7 Dols Oe SUVE een dl SS 9 a O cee ar ias 10 3 2 1 Configure the Profle sisas 11 3 22 11 Configurations seernes na
7. ar 11 3 2 1 2 Authentication and Security iS 13 3 2 1 3 802 1x Setting Certification AAA 17 3 2 1 4 802 1x Setting CA Server sigsacvssiedeasssnceaasvsesedecs sageansaavss cdachsacede sateen vuaevdantane 18 A OS 19 3A AA tt e 20 E 20 BO OS Saab vances O 23 Ded ADO id didas 24 3S DM dE 25 3 9 SOAP ri E A iene a toad Salta oh 25 IN A i anaa a AE O EE aac A EES AT heme 25 DIRT AU VS ECU NAAA 28 O a nA e a R eaten R A Ees 30 DDS Mac Tao tas 31 394 Event Logs minita E E E E E E ed n 32 SA PES E a OE TEE EE E tut A AT 32 ID TADA ae 33 1 Introduction Thank you for purchasing the 802 11g Turbo Wireless LAN USB Adapter This USB adapter is designed to comply with IEEE 802 11g Wireless LAN standard and easy to carry with the Mini size It is suitable for any Laptop or Desktop computers This adapter supports higher data throughput than the IEEE 802 11g standard up to 54Mbps It supports specific ways to increase the data transfer rate at a time compress the data and decrease the waiting time to send the next data to the Routers or APs This feature is called Turbo Mode When the adapter is connecting to the Routers or APs with the proprietary feature the wireless network will be more effective For WLAN security issues this adapter supports 64 128 bit WEP data encryption that protects your wireless network from eavesdropping It also supports WPA Wi Fi Protected Access feature that combines IEEE 802 1x and TKIP Temporal Key Integrity P
8. ata over the link In turn the device responds with its identity and the AP relays this identity to an authentication server which is typically an external RADIUS server An example for MD5 Authentication IEEE 802 1x RADIUS RADIUS Access Client M Client 3 Server gt AS 27T 27 TN Sa N sio Ip sS E Access Point Fa MUNA BD A w 4 Windows 2000 IAS Internet Authentication Service 1 Client requests to login the 3 Send username password to network RADIUS server 2 Login with username 4 Approve or deny user password login to the LAN 3 2 1 3 802 1x Setting Certification Parameter Description Authentication Type Session Resumption Password Use Client Certificate Tunneled Authentication Protocol Identity Password The EAP authentication protocols this adapter has supported are included as follows This setting has to be consistent with the wireless APs or Routers that the adapter intends to connect PEAP amp TTLS PEAP and TTLS are similar and 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 MS CHAP MS CHAPv2 PAP and EAP MD5 PEAP specifies that an EAP compliant authentication protocol must be used this adapter supports EAP MSCHAP v2 EAP TLS Smart Card and Generic
9. ation be intercepted while transmitting on air WLAN features two fold protection in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security 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 35 13 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission c
10. ce and distribute an unlimited number of copies of the SOFTWARE PRODUCT provided that each copy shall be a true and complete Install Shield C In Windows XP there is a Windows Zero Configuration Tool for you to setup the wireless adapter You can choose to configure the adapter through the Windows Zero Configuration Tool or the Ralink Configuration Tool for the adapter It is recommended to choose the Ralink Configuration Tool for the adapter Click Next to continue RALINK Wireless Network Card Setup Choose Configuration Tool Ralink Configura Microsc D If you need the adapter to operate with better performance please choose the Optimize for performance to enable the Tx Burst mode Or you can choose Optimize for Wi Fi mode to let the adapter run in standard wireless network RALINK Wireless Network Card Setup Choose Configuration TxBurst or WiFi E The system starts to install the software of the adapter Please follow the instructions of the program to plug in the adapter into the USB port of your computer And the system will automatically detect the adapter RALINK Wireless Network Card Setup Setup Status Install Shield a gt Please plugin the RT 2500 USB Wireless LAN Card on your computer F Please click Finish to complete the installation RALINK Wireless Network Card Setup Setup has finished installing Click Finish inated
11. contact your supplier as soon as possible 2 Installation Procedure Before you proceed with the installation please notice following descriptions Note1 Please do not install the adapter into your computer before installing the software program from the CD Note2 The following installation was operated under Windows XP Procedures are similar for Windows 98SE Me 2000 2003 Server Note3 If you have installed the Turbo Wireless LAN USB Adapter driver amp utility before please uninstall the old version first A Insert the Installation CD to your CD ROM Drive Execute the setup program Ralink Wireless LAN Install InstallShield Wizard Preparing Setup Please le the In e InstallShield RALINK Wireless Network Card Setup Please read the following License Agreement RALINK Wireless Utility for Windows 38 ME 2000 XP_ Copyright C RALINK TECHNOLOGY CORP All Rights Reserved Thank you for purchasing RALINK Wireless product SOFTWARE PRODUCT LICENSE Mees SOFTWARE PRODUCT is protected by copyright laws and international cops treaties as well as other intellectual property laws and treaties The SOFTWARE F PRODUCT is licensed not sold 1 GRANT OF LICENSE This End User License Agreement grants you the following fights Installation and Use You may install and use an unlimited number of copies of the SOFTWARE PRODUCT Reproduction and Distribution You may reprodu
12. data traveling between authorized devices WPA2 PSK WPA2 PSK is also for home and small business WPA PSK WPA2 PSK When selecting this mode the AP supports both WPA PSK and WPA2 PSK 28 Parameter Encryption Type WPA Pre shared Key Group Rekey Interval Wep Key Key 1 Key 4 Show Password Description Not Use Disable the encryption mode WEP Enable the WEP Data Encryption When the item is selected you have to continue setting the WEP Key TKIP 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 the standard WEP security AES AES has been developed to ensure the highest degree of security and authenticity for digital information and it is the most advanced solution defined by IEEE 802 11i for the security in the wireless network BOTH When selecting this mode the AP supports both TKIP and AES The WPA Pre shared Key can be from 8 to 64 characters and can be letters or numbers This same key must be used on all of the wireless stations in the network This function is available when using WPA PSK and WPA2 PSK encryption algorithm The key will change compliance with seconds or beacon that user set The WEP keys are used to encrypt data transmitted in the wireless network There are two types of key length 64 bit and 128 bit Select the default encrypt
13. different country you have to adjust the channel setting to comply the regulation of the country If you have a mix of 802 11b and 802 11g wireless stations in the network it is recommended to enable the protection mechanism This mechanism can decrease the rate of data collision between 802 11b and 802 11g wireless stations When the protection mode is enabled the throughput of the adapter will be a little lower due to many of frame traffic should be transmitted Auto Based on the status of the network and automatically disable enable protection mode On Always enable the protection mode Off Always disable the protection mode 21 Parameter Tx Rate Tx BURST Enable TCP Window Size Fast Roaming at 70dBm Turn Off RF Button CCX 2 0 Description There are several options including Auto 1 2 5 5 11 6 9 12 18 24 36 48 54Mbps for you to select When the Auto is selected the device will choose the most suitable transmission rate automatically The higher data rate you designated in the network the shorter distance is allowed between the adapter and the wireless stations When the wireless mode is 802 11 B only the maximum data rate is 11Mbps 11b so that there are only Auto 1 2 5 5 11Mbps options you can select Tx Burst enables the adapter to deliver better throughput in the same period and environment The TCP Window is the amount of data a sender can send on a particular connec
14. e 802 11g standard requires backward compatibility with 802 11b The standard 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 found in 802 11b including CCK for 11 and 5 5 Mbps and Barker code modulation for 2 and 1 Mbps 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 adapter 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 Inf
15. e profile 3 2 1 Configure the Profile Add Profile Configuration Authentication and Security PROF3 SSID Profile Name Network Type l RTS Threshold C PSM Power Saving Mode Infrastructure TX Power Auto X 0 L 2347 A Y Fragment Threshold 256 o 2246 3 2 1 1 Configuration Parameter Description Profile Name Define a recognizable profile name for you to identify the different networks SSID The SSID up to 32 printable ASCII characters is the unique PSM Power Saving Mode name identified in a WLAN The ID prevents the unintentional merging of two co located WLANs You may specify a SSID for the adapter and then only the device with the same SSID can interconnect to the adapter If you want to add the network nearby to the profile list pull down the menu all the networks will be listed for you to add one of them to the profile list The power saving function is only available when the network type is in Infrastructure CAM Constantly Awake Mode The adapter will always set in active mode PSM Power Saving Mode Enable the adapter in the power saving mode when it is idle 11 Parameter Network Type TX Power Preamble RTS Threshold Fragment Threshold Channel Description Infrastructure This operation mode requires the presence of an 802 11 Access Point All communication is done via the Access Point or Router Ad Hoc Select this mode if you
16. ertificate issuer Any Trusted CA Allow intermidiate certificates Server name Server name must match exactly C Domain name must end in specified name 3 2 1 4 802 1x Setting CA Server Parameter Description Use Certificate Chain When the EAP authentication type such as TLS TTLS or PEAP is selected and required a certification to tell the client what server credentials to accept from the authentication server in order to verify the server you have to enable this function Certificate Issuer Choose the server from the list to issue the certificate If Any Trusted CA is selected any CA included in the list provided by the Microsoft Certificate Store is permitted Allow Intermediate Certificates A server designates an issuer as a trusted root authority by placing the issuer s self signed certificate which contains the issuer s public key into the trusted root certification authority certificate store of the host computer Intermediate or subordinate certification authorities are trusted only if they have a valid certification path from a trusted root certification authority Server Name Enter the authentication server name Server name must match exactly When selected the server name must match exactly the server name found on the certificate Domain name must end in When selected the server name field identifies a domain The specified name certificate must use a server name belonging
17. ion key from Key 1 to Key 4 by selected the radio button Fill the text box by following the rules below 64 bit Input 10 digit Hex values in the A F a f and 0 9 range or 5 digit ASCII characters including a z and O 9 as the encryption keys For example 0123456aef or test1 128 bit Input 26 digit Hex values in the A F a f and 0 9 range or 13 digit ASCII characters including a z and O 9 as the encryption keys For example 012345678901 23456789abcdef or administrator The password will be shown in clear text instead of in asterisk 29 3 9 2 Access Control The Access Control page enables you to configure the access control policy used within the AP Ralink Wireless Utility Config Access Control Mac Table Event Log Statistics About Access Poley E MAC Address Access List Parameter Description Access Policy Disable Disable the MAC Address filtering function Allow All Only the wireless adapters with the MAC Address listed in Access List can connect to the AP Reject All The wireless adapters with the MAC Address listed in Access List will be rejected to connect to the AP MAC Address MAC Address is a unique identification for hardware devices in the network It is a 12 digit hexadecimal values Access List Display all the MAC Address user adds Add Add the MAC Address to Access List Delete De
18. ions including Auto 1 2 5 5 11 6 9 12 18 24 36 48 54Mbps for you to select When the Auto is selected the AP will choose the most suitable transmission rate automatically The higher data rate you designated in the network the shorter distance is allowed between the AP and the wireless clients When the wireless mode is 802 11 B only the maximum data rate is 11Mbps 11b so that there are only Auto 1 2 5 5 11 Mbps options you can select Select the number of the radio channel used by the AP The wireless adapters connected to the AP should set up the same channel 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 The default SSID of the AP is SoftAP X X is the last number of this adapter s Mac Address Wireless adapters connect to the AP should set up the same SSID as the AP Click this button to create a unique SSID based on the adapter s Mac Address Click this button to further configure WLAN authentication and security setting Please refer to 3 9 1 1 The available channel differs from different countries For example USA FCC is channel 1 11 Europe ETSI is channel 1 13 The operating frequency channel will be restricted to the country user located before importing If you are in different country you have to adjust the channel setting to comply the regulation of the country 26 Para
19. lete the selected MAC Address from Access List Remove All Remove all the MAC Address from Access List Apply Click to apply the setting change 30 3 9 3 Mac Table The Mac Table page displays the detail information of the wireless adapters connected to the AP Ralink Wireless Utility Config Access Control Mac Table Event Log Statistics About MAC Address Power Saving Mode Parameter Description MAC Address The MAC Address of the wireless adapters connected to the AP AID The Association ID of current connection Power Saving Mode The supporting status of Power Saving Mode of the wireless adapter connected 31 3 9 4 Event Log The Event Log page displays all the event time and message You may clear the table by clicking Clear Ralink Wireless Utility Config Access Control Mac Table Event Log Statistics About Event Time yp mm dd hh mm ss Message oo 2006 06 23 09 57 31 Restart Access Point 2006 06 23 09 57 33 Restart Access Point 3 9 5 Statistics The Statistics page displays the statistic information of the AP including transmit statistics and receive statistics You may reset the counters by clicking Reset Counters Ralink Wireless Utility Config Access Control Mac Table Event Lag Statistics About Transmit Statistics Frames Transmitted Successfully Frames Transmitted Successfully Without Retry Frames Transmitted Successfully Af
20. level of security Supports CCX 2 0 Cisco Compatible Extensions for the radio monitoring and fast roaming Supports Software AP function which turns the wireless station into a wireless AP Automatic fallback increases data security and reliability Supports the most popular operating system Windows 98SE Me 2000 XP 2003 Server Supports USB 2 0 1 1 interface Portable and mini size design 1 2 Specifications Standards IEEE 802 11b g Bus Type USB 2 0 Type A Frequency Band 2 4000 2 4835GHz Industrial Scientific Medical Band Modulation OFDM with BPSK QPSK 16QAM 64QAM 11g BPSK QPSK CCK 11b Data Rate 54 48 36 24 1 8 1 2 1 1 9 6 5 5 2 1 Mbps auto fallback Securities 64 128 bit WEP Data Encryption WPA TKIP with IEEE 802 1x WPA2 AES with IEEE 802 1x Note WPA2 is only enabled in Windows 2000 XP 2003 Server Antenna Internal Antenna Drivers Windows 98SE Me 2000 XP 2003 Server LEDs Link Activity Transmit Power 17dBm 2dBm Receive Sensitivity 7OdBm 54Mbps 83 5dBm 11Mbps Dimension 9 H x 27 W x 87 D mm Temperature 32 122 F 0 50 C Humidity 10 95 NonCondensing Certification FCC CE 1 3 Package Contents Before you begin the installation please check the items of your package The package should include the following items e One USB Adapter e One USB 2 0 Extension Cable 100 cm e One CD Driver Utility User s Manual e One Quick Guide If any of the above items is missing
21. meter B G Protection Preamble Beacon ms TX Power Tx BURST No forwarding among wireless clients Hide SSID Use Short Slot Auto Channel Selection at next boot Description If you have a mix of 802 11b and 802 11g wireless clients in the network it is recommended to enable the protection mechanism This mechanism can decrease the rate of data collision between 802 11b and 802 11g wireless clients When the protection mode is enabled the throughput of the AP will be a little lower due to many of frame traffic should be transmitted Auto Based on the status of the network and automatically disable enable protection mode On Always enable the protection mode Off Always disable the protection mode 802 11g wireless adapters support both long and short preamble but for 802 11b wireless adapters supporting short preamble is optional The throughput will be better when using short preamble Long Preamble 128 bits sync field Short Preamble 56 bits sync field Here defines the time between two beacons the default value is 100ms If you want to lower the transmit power of the AP for saving the power of the system you can select the lower percentages from the list The lower power will cause the lower signal strength and the coverage range Tx BURST enables the AP to deliver better throughput in the same period and environment Enable this setting to force the wireless clients connected t
22. ming at 70 dBm E Turn off RF 20 Parameter Wireless Mode Ad Hoc Wireless Mode Select Your Country Region Code B G Protection Description 802 11 B G mix If you have a mix of 802 11b and 802 119 wireless stations in your network it is recommended to set the adapter to this mode This mode is also the default setting 802 11 B only This adapter can be compatible with both 802 11g and 802 11b wireless stations If there are only 802 11b wireless stations in the network you can set the adapter to this mode When the adapter is set in Ad Hoc Peer to Peer Mode you can designate the wireless connection mode for the Ad Hoc network Only B This adapter can be compatible with both 802 11g and 802 11b wireless stations If there are only 802 11b wireless stations in the network you can set the adapter to this mode B G Mixed If you have a mix of 802 11b and 802 11g wireless stations in your network it is recommended to set the adapter to this mode This mode is also the default setting Only G This adapter can be compatible with both 802 11g and 802 11b wireless stations lf there are only 802 11g wireless stations in the network you can set the adapter to this mode The available channel differs from different countries For example USA FCC is channel 1 11 Europe ETSI is channel 1 13 The operating frequency channel will be restricted to the country user located before importing If you are in
23. ngs to enable the utility for the adapter Available networks To connect to an available network click Configure Preferred networks Automatically connect to available networks in the order listed below Leam about setting up wireless network configuration Note If Wireless Zero Configuration is enabled you can only configure the advance setting or check the link status and statistics from the configuration utility of the adapter 3 1 Site Survey When you open the Ralink Configuration Utility the system will scan all the channels to find all the access points stations within the accessible range of your adapter and automatically connect to the wireless device with the highest signal strength From the Site Survey all the networks nearby will be listed You can change the connection to another networks or add one of the networks to your own profile list K Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About SSID BSSID Network T BF_EMAX 00 DE 2E FF FF 86 11 None Unknown Infrastruct ES Default 00 00 0E 79 33 50 11 None Unknown Infrastruct lt gt Connected lt gt Default Rescan Connect Add to Profile Parameter Description Available Networks This list shows all available wireless networks within range of your adapter It also displays the information of the networks including the SSID BSSID Signal Strength Cha
24. nnel Encryption Authentication and Network Type If you want to connect to any networks on the list double click the item on the list and the adapter will automatically connect to the selected network Rescan Button Click Rescan button to collect the new information of all the wireless networks nearby Connect Button Click Connect to connect to the selected network Add to Profile Button Add the selected network to Profiles list 3 2 Profile The Profiles List is for you to manage the networks you connect to frequently You are able to Add Delete Edit Activate a profile K Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About Profile List Profile Name SSID Channel Authentication Encryption Network Ty E PROF1 Default Auto Open None Infrastructure PROF2 BF_EMAX Auto Open None Infrastructure a Delete Edit PEREG Parameter Description Profiles List The profiles list display all the profiles and the relative settings of the profiles including Profile Name SSID Channel etc Y This sign indicates the activated profile is been connecting v This sign indicates the activated profile is not been connecting Add Delete Edit Button Click these buttons to add delete edit the selected profiles Activate Button Click Activate to connect to the selected profile When a profile is activated the adapter will be initially connected to th
25. o this AP not sharing information each other If Hide SSID checkbox is enabled the AP will not appear in the site survey list of any wireless clients It means only the wireless clients set the same SSID can connect to the AP It avoids the AP being connected by unauthorized users Short slot time is 9 us and long slot time is 20 us The AP will select a random channel at next booting 27 Parameter Description Default Click to use with default value Apply Click to apply the setting change 3 9 1 1 Auth Vs Security This option enables you to configure the authentication mode and encryption algorithm used within the AP Auth vs Security Authentication Type Open v Encrpption Type SIR RE WPA Pre shared Key Group Rekey Interval F Show Password Cancel Parameter Description Authentication Type There are four types of authentication mode supported Open No authentication is needed among the wireless network WPA PSK It is a special mode designed for home and small business users who do not have access to network authentication servers In this mode known as Pre Shared Key the user manually enters the starting password in their access point or gateway as well as in each wireless station in the network WPA PSK takes over automatically from that point keeping unauthorized users that don t have the matching password from joining the network while encrypting the
26. onfigured to provide Wireless Domain Services WDS takes the place of the RADIUS server and authenticates the client so quickly that there is no perceptible delay in voice or other time sensitive applications When this parameter is enabled the Cisco AP can run the radio monitoring through the associated CCX compliant clients to continuously monitor the WLAN radio environment and discover any new APs that are transmitting beacons The Cisco AP can perform monitoring measurements through the CCX compliant clients on the non serving channels when this parameter is enabled It limits the channel measurement time The default value is 250 milliseconds 3 6 QoS This option enables you to configure QoS settings for example WMM WMM Power Save and Direct Link Setup Ralink Wireless Utility Direct Link Direct Link Setup MAC Address xz E a mls en 5 malls Timeout Value sec DLS Status MAC Address Timeout 23 Parameter WMM Enable WMM Power Save Enable Direct Link Setup Enable Direct Link Direct Link Setup MAC Address Timeout Value DLS Status Description Check on this item and click Apply to enable WMM function and then further you can configure WMM Power Save and Direct Link Setup function Check on this item to enable WMM Power Save function Click Setting to further configure WMM Power Save setting which includes AC_BK AC_BE AC_Vl and AC_VO Check on this i
27. onnecting to Add Profile Configuration Authentication and Security Authentication Type Encryption WPA Preshared Key I Show Passward 3 2 1 2 Authentication and Security Parameter Description Authentication Type This setting has to be consistent with the wireless networks that the adapter intends to connect Open No authentication is needed among the wireless network Shared Only wireless devices using a shared key WEP Key identified are allowed to connecting each other LEAP 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 vendor choice for client access point and server products is not a concern When you have set up LEAP authentication you have to enter the user name and password of your computer WPA 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 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 13 Parame
28. ox by following the rules below 64 bit Input 10 digit Hex values in the A F a f and 0 9 range or 5 digit ASCII characters including a z and O 9 as the encryption keys For example 0123456aef or test1 128 bit Input 26 digit Hex values in the A F a f and 0 9 range or 13 digit ASCII characters including a z and O 9 as the encryption keys For example 01234567890 123456 789abcdef or administrator 802 1x Setting Certification CA Server Authentication Type PEAP Session Resumption Disabled v PEAP TLS Smart Card Identity TTLS Md5 Challenge Use Client certificate is Tunneled Authentication Protocol EAP MSCHAP v2 Identity Password The IEEE 802 1X specification describes a protocol that can be used for authenticating both clients and servers on a network The authentication algorithms and methods are those provided by the Extensible Authentication Protocol EAP a method of authentication that has been in use for a number of years on networks that provide Point to Point Protocol PPP support as many internet service providers and enterprises do When an AP acting as an authenticator detects a wireless station on the LAN it sends an EAP Request for the user s identity to the device EAP or the Extensible Authentication Protocol is an authentication protocol that runs before network layer protocols transmit d
29. rastructure is applicable to enterprise scale for wireless access to central database or wireless application for mobile workers 34 6 Whatis BSS ID A specific Ad hoc LAN is called a Basic Service Set BSS Computers in a BSS must be configured with the same BSS ID 7 Whatis 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 802 111 WLAN security standard and the specification might be officially released by early 2003 9 Whatis AES 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 inform
30. rietary Turbo Mode feature the Turbo Mode will be enabled automatically without any configuration 3 9 SoftAP This adapter can run as a wireless AP The relative configurations of the AP including channel SSID MAC Address Filtering and so on are described as follows Right click the Ralink Configuration Utility icon on the system tray of Windows and select Switch to AP Mode to turn on SoftAP function Launch Config Utilities Switch to AP Mode XI 3 9 1 Config The Config page enables you to configure the AP connection setting Country Region Code and other advanced functions Ralink Wireless Utility Config Access Control Mac Table Event Log Statistics About Wireless Mode 802 11 B G Mixed TX Rate Auto Channel 1 y SSID Soft amp P 42 lt Use Mac Address Auth vs Security Country Region Code 11 B G 0 CH1 11 v MV Tx BURST B G Protection fauto ti iS I No forwarding among wireless clients Preamble Long Preamble y Hide SSID Beacon ms f 10 M Use Short Slot TX Power hoz y F Auto Channel Selection at next boot Default Apply 25 Parameter Wireless Mode TX Rate Channel SSID Use Mac Address Auth vs Security Country Region Code Description Selects the wireless mode supports by the AP 802 11 B G Mixed The AP works in 11b g mixed mode 802 11 B Only The AP works in 11b mode 802 11 G Only The AP works in 11g mode There are several opt
31. ritical communication systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal that is in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiver is not tuned to the right frequency a spread spectrum signal looks like background noise There are two main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS 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 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 tran
32. rotocol technologies Client users are required to authorize before accessing to APs or AP Routers and the data transmitted in the network is encrypted decrypted by a dynamically changed secret key Furthermore this adapter supports WPA2 function WPA2 provides a stronger encryption mechanism through AES Advanced Encryption Standard which is a requirement for some corporate and government users When you use the devices such as Voice over Internet Protocol VoIP phones televisions VCRs and MP3 players how can you speed up the audio video and voice data to pass through the wireless network IEEE 802 11e Quality of Service QoS The Wi Fi Alliance defined WMM as a profile of the IEEE 802 11e extensions for 802 11 networks will help to define the priorities of the data traffics by the data categories to provide enhanced multimedia support This adapter supports the advanced technology for sure This adapter is cost effective together with the versatile features it is the best solution for you to build your wireless network 1 1 Features Works with both IEEE 802 11b and IEEE 802 11g products High speed transfer data rate up to 54Mbps Supports Turbo Mode to enhance the data transfer speed within the specific wireless network Supports WMM IEEE 802 11e QoS standard function to meet the multi media data bandwidth requirement Supports 64 128 bit WEP WPA TKIP with IEEE 802 1x WPA2 AES with IEEE 802 1x functions for high
33. s 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 not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one 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 b
34. smission in order to conserve power WMM Power Save has been optimized for mobile 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 36
35. tem and click Apply to enable DLS function Specify the MAC Address of the client adapter you want to direct link to and click Apply to add into DLS Status table Specify the timeout value for the direct link you want to setup The DLS Status displays all the direct link connections and you can click Tear Down to stop any of them 3 7 About By choosing this option you can click the hyperlink to connect the website for the information of the wireless chipset vendor and review basic information about the Utility such as the Driver Utility and EEPROM Version The MAC Address of the adapter is displayed in the screen as well Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS R About c Copyright 2004 Ralink Technology Inc All rights reserved RaConfig Version 1 2 2 0 Driver Version EEPROM Version 1 3 IP Address Sub Mask Date 06 09 2006 1 1 1 0 Date 06 08 2006 Firmware Version 1 8 192 168 2 102 Phy_Address 00 0E 2E 00 11 42 255 255 255 0 Default Gateway 192 168 2 1 24 3 8 Turbo Mode This adapter supports specific ways to increase the data transfer rate at a time compress the data and decrease the waiting time to send the next data to the Routers or APs this feature known as Turbo Mode enables higher throughput than IEEE 802 11g standard Up to 54Mbps When the adapter is connecting to the Routers or APs with the prop
36. ter 802 1x Setting Encryption Mode Description WPA PSK It is a special mode designed for home and small business users who do not have access to network authentication servers In this mode known as Pre Shared Key the user manually enters the starting password in their access point or gateway as well as in each wireless station in the network WPA PSK takes over automatically from that point keeping unauthorized users that don t have the matching password from joining the network while encrypting the data traveling between authorized devices WPA2 Like WPA WPA2 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 to the corporate user or government users The difference between WPA and WPA2 is that WPA2 provides data encryption via the AES In contrast WPA uses Temporal Key Integrity Protocol TKIP WPA2 PSK WPA2 PSK is also for home and small business The difference between WPA PSK and WPA2 PSK is that WPA2 PSK provides data encryption via the AES In contrast WPA PSK uses Temporal Key Integrity Protocol TKIP WPA NONE WPA NONE is defined for Ad hoc mode and behaves like WPA PSK WPA PSK is only defined for infrastructure mode The user manually enters the Pre Shared Key in each wireless station in the network and WPA NONE controls unauthorized users that don t have the matching Pre Shared
37. ter Retry Frames Fail To Receive ACK After All Retries RTS Frames Successfully Receive CTS RTS Frames Fail To Receive CTS m Receive Statistics Frames Received Successfully Frames Received With CRC Error Frames Dropped Due To Out of Resource Duplicate Frames Received 32 3 9 6 About The About page displays the basic information about the Utility including Driver Utility and EEPROM Version The MAC Address of the adapter is displayed in the screen as well Ralink Wireless Utility Contig Access Control Mac Table Event Log Statistics About R c Copyright 2004 Ralink Technology Inc All rights reserved Utility Version 1 0 9 0 Date 06 08 2006 Driver Version 1 1 1 0 Date 06 08 2006 EEPROM Version 1 3 Firmware Version 1 8 MAC Address O0 0E 2E 00 11 42 33 4 Troubleshooting This chapter provides solutions to problems usually encountered during the installation and operation of the adapter 1 What is the IEEE 802 11g 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 Th
38. tion before it gets an acknowledgment back from the receiver that it has gotten some of it When the Router or AP the adapter is connecting to have set up the TCP Window you can enable the parameter to meet the data size for the Router or AP connection The larger TCP Window the better performance When you want to fast roaming to the network nearby without intercepting the wireless connection especially the adapter is applied to the multimedia application or a voice call you can enable the parameter The adapter will fast roaming to the near network when the receive sensitivity signal strength is lower to the value you have set up If you want to turn off the radio of the adapter temporarily click this button To turn on the radio click this button again CCX 2 0 Cisco Compatible Extensions is developed by Cisco for the radio monitoring and fast roaming 22 Parameter LEAP Turn on CCKM Enable Radio Measurement Non Serving Channel Measurements Limit xxx milliseconds 0 2000 Description During normal operation LEAP enabled client devices mutually authenticate with a new access point by performing a complete LEAP authentication including communication with the main RADIUS server When you configure your wireless LAN for fast re association however LEAP enabled client devices roam from one access point to another without involving the main server Using Cisco Centralized Key Management CCKM an access point c
39. to this domain or to one of its sub domains e g zeelans com where the server is blueberry zeelans com but it may be any name used in the certificate name field 18 3 3 Link Status From the Link Status option you can view all the information of the network you are connecting to 1 lt Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS About Status Extra Info Link Speed Throughput Link Quality Signal Strength Noise Level Default lt gt 00 00 0E 79 33 A Link is Up TxPower 100 Channel 111 lt gt 2462000 KHz Tx Mbps 24 0 Rx Mbps 1 0 Tx Kbps 0 0 Ax Kbps 13 4 ADORA AAA RBA dBm Weak 39 Low 43 Parameter Description Status Display the SSID and MAC ID of the network the adapter is connecting to Extra Info Display the link status Channel Display the number of the radio channel and the frequency used Link Speed Mbps Throughput Kbps Link Quality dBm Signal Strength for the networking Display the transmission and reception rate of the network The maximum transmission rate is 54Mbps Display the speed of data transmitted and received This bar indicates the quality of the link The higher the percentage the better the quality If you want to know the signal strength in the unit of dBm select this check box This bar shows the signal strength level The higher percentage shown in the bar
40. want to connect to another wireless stations in the Wireless LAN network without through an Access Point or Router If you want to lower the transmit power of the adapter for saving the power of the system you can select the lower percentages from the list The lower power will cause the lower signal strength and the coverage range The preamble defines the length of the CRC block for communication among wireless devices This option is only active in the Ad Hoc network There are two modes including Auto and Long Preamble If Auto mode is selected the adapter will auto switch the preamble mode depending on the wireless devices the adapter is connecting to Minimum packet size required for an RTS Request To Send For packets smaller than this threshold an RTS is not sent and the packet is transmitted directly to the wireless network Select a setting within a range of 0 to 2347 bytes Minor change is recommended The value defines the maximum size of packets any packet size larger than the value will be fragmented If you have decreased this value and experience high packet error rates you can increase it again but it will likely decrease overall network performance Select a setting within a range of 256 to 2346 bytes Minor change is recommended This setting is only available for Ad Hoc mode Select the number of the radio channel used for the networking The channel setting should be the same with the network you are c
41. y the party responsible for compliance could void the authority to operate equipment Federal Communications Commission FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure set forth for an uncontrolled environment In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna shall not be less than 2 5cm 1 inch during normal operation Federal Communications Commission FCC RF Exposure Requirements SAR compliance has been established in the laptop computer s configurations with PCMCIA slot on the side near the center as tested in the application for Certification and can be used in laptop computer s with substantially similar physical dimensions construction and electrical and RF characteristics Use in other devices such a PDAs or lappads is not authorized This transmitter is restricted for use with the specific antenna s tested in the application for Certification The antenna s used for this transmitter must not be co located or operating in conjunction with any other antenna or transmitter 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 E
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