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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 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.

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.

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Содержание DN-7066

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Страница 2: ...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 consequ...

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Страница 4: ...on 3 1 Switch to AP Mode and Basic Configuration 3 2 Security Settings 3 3 Access Control 3 4 Connection Table 3 5 Event Log 3 6 Statistics CHAPTER IV APPENDIX 4 1 Hardware Specification 4 2 Troubleshooting 4 3 Glossary 4 4 FCC and Other Compliance Statements ...

Страница 5: ...wireless coverage With easy to install PCI interface a very common expansion slot of desktop computers and Plug and Play technology even inexperienced computer user can get this wireless network card installed on his or her computer in just few minutes All you have to do is shutdown the computer and remove the cover and then insert the wireless network card into any empty PCI slot that s all Other...

Страница 6: ... ask an experienced technician for help 4 The antenna of this network card is small enough to put in a child s mouth ear or nose and it could cause serious injury or could be fatal If they throw the network card or antenna cards or antennas will be damaged PLEASE KEEP THIS NETWORK CARD OUT THE REACH OF CHILDREN 5 If you found that the network card is not working properly please contact your dealer...

Страница 7: ... 3 System Requirements Desktop PC with Pentium 300 MHz compatible processor or higher An empty PCI slot Windows 2000 2003 XP or Vista operating system CD ROM drive At least 100MB of available disk space ...

Страница 8: ...less network card please check if there s anything missing in the package and contact your dealer of purchase to claim for missing items PCI wireless network card 1 pcs 1 Quick installation guide 1 pcs 2 User manual Device Driver CDROM 1pcs 3 Antennas 2 pcs 4 ...

Страница 9: ...of the card 2 WPS Button Press this button and hold for 3 seconds to start WPS function When WPS is enabled the Link and Tx Rx LEDs will be steadily on 3 Link and Tx Rx LED Definitions LED Name Light Status Description On Link to a wireless access point Link Off Not linked to any wireless access point Blinking Transferring receiving data Tx Rx Off No wireless activity 1 2 3 ...

Страница 10: ...new wireless network card 1 SWITCH THE COMPUTER OFF remove the cover and insert the wireless network card into an empty PCI slot of your computer 2 Install all two antennas on the wireless network card and make sure the antennas are securely installed To improve radio reception please adjust antennas to the position shown in the picture ...

Страница 11: ...uter please click Cancel 4 Insert device driver CDROM into the CD DVD ROM drive of your computer and execute Setup exe program Please read the end user license agreement and select I accept the terms of the license agreement and then click Next to accept license agreement ...

Страница 12: ...n 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 enh...

Страница 13: ...u select one mode please click Next to continue If you see Found New Hardware message again please ignore it and wait 7 When you see this message please click Finish to complete the driver installation process ...

Страница 14: ...er desktop you can put the mouse cursor on the icon and the status of wireless card will be displayed 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 HERE ...

Страница 15: ...tilities 2 Configuration utility will scan for all wireless access points automatically Scan results will 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 ...

Страница 16: ... 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 ...

Страница 17: ...e 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 which acts as a bridge to let wired and wireless network devi...

Страница 18: ... 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 4 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...

Страница 19: ...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...

Страница 20: ... left corner of configuration utility congratulations you re successfully connected to the access point or wireless device you selected 7 You can put the mouse cursor over the Ralink configuration utility icon and the brief information about link status and signal strength of current wireless connection will be shown as a popup balloon ...

Страница 21: ...ation 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 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 ...

Страница 22: ...haring Center 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 ...

Страница 23: ... click Refresh network list to rescan access points Click the access point you want to use if it s shown then click Connect 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 ...

Страница 24: ...7 If you can see Connected message the connection between your computer and wireless access point is successfully established ...

Страница 25: ... have to input these parameters every time you want to connect to a specific wireless access point 2 3 1 Make 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 2 There are two ways to add a new connection profile Create a new profile or Add a profile from an exist...

Страница 26: ...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 ...

Страница 27: ...You can set the parameter for this connection here ...

Страница 28: ...cted will be displayed here But if the SSID of access point or wireless device is not available you have to input it here manually PSM Please select CAM constantly awake mode keep Power Saving the wireless radio activity when not transferring Mode 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 notebo...

Страница 29: ... that radio reception is bad If you don t know which one to use select Auto Preamble 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 RTS Threshold Check the box and you can set RTS threshold manually here Do not modify default setting unless you know what it is Fragment Check the box and you can set ...

Страница 30: ...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 ...

Страница 31: ...t 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 passphrases or security keys...

Страница 32: ... The profile you just created will be displayed 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 before its name If the wireless access point is not reachable a red check will be displayed before its name If you want to change the connection parameters of...

Страница 33: ...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 ...

Страница 34: ...e 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 ...

Страница 35: ...ion mode Use protected If the authentication type you use is EAP FAST authentication you can use protected authentication credential credential by check this box Remove Remove the credential you imported previously Import Import the authentication credential file PAC file format you ll be prompted to select a credential file from your computer Protocol You can select the protocol of tunneled authe...

Страница 36: ...entication 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 ...

Страница 37: ...items Use certificate Check this box to enable the use of certificate chain chain Certificate Please select the issuer of certificate from this Issuer dropdown menu Allow Check this box if you wish to allow intermediate intermediate certificates certificates Server name Input the server name of CA server here Server name Check this box and the wireless configuration ...

Страница 38: ...A server connected to If they don t match connection will be dropped Domain name Check this box and the wireless configuration utility must end will check the end of domain name If there s in specified name anything wrong connection will be dropped After you finish all settings click OK to save settings and exit ...

Страница 39: ... 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 2 Click Statistics tab and the statistics of wireless connection will be displaye...

Страница 40: ...All connection related statistics is displayed here You can click Reset Counter to reset the statistics of all items back to 0 Click OK to close the window ...

Страница 41: ...s 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 2 Click Link Status tab and information about current wireless connection will be displayed ...

Страница 42: ...s 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 Throughput Displays the rate of data transmitting Tx in Kbps and receiving Rx in Kbps Link Quality Displays link quality radio signal quality When the link quality is better the wireless link speed will be better too Link quali...

Страница 43: ...x 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 For their explanations please see chapter 4 3 Glossary ...

Страница 44: ...tings 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 2 Click Advanced tab and the following settings will appear ...

Страница 45: ...ng to Auto since enabling this setting will slightly reduce the data transfer performance Tx BURST Check this box to accelerate the data transmit rate It may not work with all wireless access point and wireless devices Enable TCP Check this box and the configuration utility will Window Size adjust TCP window size automatically to get better performance It should be safe for most of wireless enviro...

Страница 46: ...isco 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 Turn on CCKM 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 Enable R...

Страница 47: ...After you finish the settings click Apply to apply new settings and click OK to close configuration utility ...

Страница 48: ...rk 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 instructions to set advanced wireless settings 3 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launc...

Страница 49: ...gs 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 ...

Страница 50: ...eactivated 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 t...

Страница 51: ...er 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 wi...

Страница 52: ...Button Configuration 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities 2 Click WPS Configuration tab and the following settings will appear ...

Страница 53: ...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 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 det...

Страница 54: ...n 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 next access point on the ...

Страница 55: ...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 desktop then click Launch Config Utilities 2 Click WPS Configuration tab and the following settings will appear ...

Страница 56: ... the user manual of your wireless access point for instructions about how to do this 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 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 provi...

Страница 57: ...r important information about your wireless network card Please follow the following instructions to see the information 1 Right click the Ralink configuration utility icon located at lower right corner of computer desktop and then click Launch Config Utilities 2 Click About tab and the following settings will appear ...

Страница 58: ...roblem you ll need these values You can also click WWW RALINKTECH COM button to go to the web site of network card driver manufacturer and get more information about your wireless network card Please click OK to close configuration utility ...

Страница 59: ... follow the instructions in following chapters to use the AP function of your wireless card 3 1 Switch to AP Mode and Basic Configuration The operating mode of the wireless card is Station Mode becoming a client of other wireless access points by default If you want to switch to AP mode please right click Ralink utility icon and select Switch to AP Mode After you select Switch to AP Mode the Ralin...

Страница 60: ...n existing network card with internet connection If your computer has another network card which is connected to Internet please select it from Name dropdown menu and click Enable ICS if your computer does not have another network card with Internet connection please click Not enable ICS After you click Enable ICS or Not enable ICS you ll see the basic configuration menu of the AP function ...

Страница 61: ...lease select the wireless channel you wish to use The number of channels available here will vary depends on the setting of Country Region Code Wireless Mode Please select the wireless operating mode You can limit the type of wireless client to 802 11b or 802 11g only or allow 802 11b g and 802 11b g n clients It s safe to select 802 11 B G N mix to allow all kinds of wireless client to connect to...

Страница 62: ...reless channels you can use 0 FCC US Canada and other countries uses FCC radio communication standards 1 ETSI Europe 2 SPAIN 3 FRANCE 4 MKK 5 MKKI TELEC 6 ISERAL Channel 3 to 9 7 ISERAL Channel 5 to 13 Beacon ms You can define the time interval that a beacon signal should be send Default value is 100 Do not modify this value unless you know what will be affected TX Power You can select the wireles...

Страница 63: ...d to the public Your wireless clients must know the exact SSID to be able to connect to your computer This option is useful to enhance security level Allow BW Check this box to allow BW 40MHz capability 40 MHz Default Click this button to restore all settings in this page back to default value Apply Click this button to activate current settings To exit click X button at the upper right corner of ...

Страница 64: ... open your computer and its internet connection to the public When you click Security Setting in Ralink configuration utility the following window will appear Here are descriptions of every setup items Authentication Please select a wireless authentication type you Type wish to use Available options are Open Shared WPA PSK WPA2 PSK and WPA PSK WPA2 PSK If you want to disable wireless data encrypti...

Страница 65: ...val to re issue the key Interval to your wireless clients here You can click the button 10 seconds or Kpackets to change the unit of time interval every 10 seconds or a thousand data packets times the value you specified in Group Rekey Interval field Wep Key Please input the WEP encryption key here when you 1 4 select WEP as encryption type There are 2 types of WEP key Hex number 0 to 9 and ASCII ...

Страница 66: ...ced Show Password Check this box and the WPA pre shared key orWEP key you inputted will be shown but not replaced by asterisk OK Click this button to save changes you made in this page Cancel Click this button to discard all changes you made in this window ...

Страница 67: ...control policy so only wireless clients with MAC address you defined by this function can be connected to your software access point Please follow the following instructions to set access control based on MAC address 1 Right Click Ralink configuration utility icon and select Launch Config Utilities 2 Click Access Control tab and the following messages will appear ...

Страница 68: ...Disable Allow any wireless client with proper authentication settings to connect to this access point Allow All Only allow wireless clients with MAC address listed here to connect to this access point Reject All Reject wireless clients with MAC address listed here to be connected to this access point ...

Страница 69: ... reject here No colon or hyphen required Add Add the MAC address you inputted in MAC address field to the list Delete Please select a MAC address from the list then click Delete button to remove it Remove All Delete all MAC addresses in the list Apply Save and apply changes you made ...

Страница 70: ...wireless clients connected to this access point please follow the following instructions 1 Right Click Ralink configuration utility icon and select Launch Config Utilities 2 Click Mac Table tab and a list containing all connected wireless clients will appear ...

Страница 71: ... wireless client AID The serial number of this wireless connection Power Saving Displays the capability of power saving function of Mode this wireless client Status Displays additional information of this wireless Connection like current wireless operating mode and data transfer rate ...

Страница 72: ... as a log You can follow the following instructions to view the content of the event log 1 Right Click Ralink configuration utility icon and select Launch Config Utilities 2 Click Event Log tab and the event log will be displayed You can click Clear to remove all entries in the log ...

Страница 73: ...rks you can follow the following instructions to view the statistics of the access point 1 Right Click Ralink configuration utility icon and select Launch Config Utilities 2 Click Statistics tab and the event log will be displayed You can click RESET COUNTERS button to reset all counters to zero ...

Страница 74: ...11b 1 2 5 5 11Mbps 11g 6 9 12 24 36 48 54Mbps 11n 20MHz MCS0 7 up to 72Mbps 11n 40MHz MCS0 7 up to 150Mbps Securities WEP 64 128 WPA WPA2 and Cisco CCX Antenna External 2 Antennas with One TX and Two RX Connectors RP SMA x 2 Drivers Windows 2000 XP 2003 Vista LEDs Link TX RX Transmit Power 17dBm 1dBm Temperature 32 122 F 0 50 C Humidity 10 95 NonCondensing Certification FCC CE ...

Страница 75: ...wireless link 4 Please adjust the position 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 I click Launch co...

Страница 76: ...nly allows network cards with specific MAC address 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 1 Move closer to the place where access point is located 2 ...

Страница 77: ...tory 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 B A protection 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 t...

Страница 78: ...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 impleme...

Страница 79: ...n 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 r...

Страница 80: ...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 usabi...

Страница 81: ...ning 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 fo...

Страница 82: ...eir conformity R TTE The R TTE Directive repeals and replaces in the directive 98 13 EEC Telecommunications Terminal Equipment and Satellite Earth Station Equipment As of April 8 2000 Safety This equipment is designed with the utmost care for the safety of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with e...

Страница 83: ...EU Countries Not intended for use None ...

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