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Link Speed (Mbps) 

Display the transmission and reception rate of the network. The maximum 

transmission rate is 54Mbps. 

 

 

Throughput (Kbits/sec) 

Display the speed of data transmitted and received. 

 

 

Link Quality 

This bar indicates the quality of the link. The higher the percentage, the 

better the quality.

 

 

 

dBm 

If you want to know the signal strength in the unit of dBm, select this check 

box. 

 

 

Signal Strength 

This bar shows the signal strength level. The higher percentage shown in 

the bar, the more radio signal been received by the card. This indicator 

helps to find the proper position of the wireless device for quality network 

operation.

 

 

 

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”. 

 

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Summary of Contents for WNL-U552

Page 1: ...802 11n Wireless USB Adapter WNL U552 User s Manual Version 1 00 Date August 2007 ...

Page 2: ... 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...

Page 3: ...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 and France with Frequency channel restriction...

Page 4: ...0 3 2 1 Add Profile Configuration 11 3 2 2 Add Profile Authentication and Security 13 3 2 2 1 802 1x Setting Certification 15 3 2 2 2 802 1x Setting CA Server 18 3 3 Link Status 19 3 4 Statistics 20 3 5 Advance 21 3 6 QoS 24 3 7 WPS Configuration 26 3 7 1 WPS Setup PBC Push Button Configuration 27 3 7 2 WPS Setup PIN 29 3 8 About 32 Chapter 4 Appendix 33 4 1 Troubleshooting 33 4 2 Glossary 35 ...

Page 5: ...card pin number For WLAN security issues the WNL U552 supports both 64 128 bit WEP Wired Equivalent Privacy and WPA WPA2 Wi Fi Protected Access for securing wireless network connections The driver and utility support most popular operating systems Windows 2000 XP and Vista With advanced features and high performance capability the WNL U552 is an excellent choice for constructing a wide range of wi...

Page 6: ...ls 2 412 2 462GHz FCC Canada 11 Channels 2 412 2 4835GHz Japan TELEC 14 Channels 2 412 2 472GHz Euro ETSI 13 Channels Management Built in utility or Windows XP Zero Configuration utility Operating systems Windows 2000 XP Vista Environmental Mechanical Characteristics Temperature Operating 0 C 55 C Storage 20 C 70 C Operating Humidity Operating 0 85 Storage 0 95 Non Condensing Dimensions 83 x 27 x ...

Page 7: ... at the taskbar Then select Run and type E Utility WNL U552 setup exe where the E is your CD ROM drive 3 Read the License Agreement carefully Click Yes to accept it and continue 4 It is suggested to use PLANET Configuration Tool to manage the WNL U552 Click Next to continue 5 If Optimize for performance mode is selected the Tx BURST option will be enabled to increase the transfer speed However the...

Page 8: ...6 You can see the installation progress in this screen 7 Please click Finish to finish the installation 4 ...

Page 9: ...ck Cancel 3 Choose the first one Search for the best driver in these locations and tick the box of include this location in the search and then to click Browse to direct the hardware driver where is in C Program Files PLANET PLANET WNL U552 Driver Then click Next to continue 4 The screen will appear to inform that you are installing PLANET WNL U552 Please click Continue Anyway to continue 5 ...

Page 10: ...5 The screen will show the rate of progress for the installation of WNL U552 as below 6 Please click Finish to complete the driver installation 6 ...

Page 11: ...7 The WNL U552 utility will appear on the screen Please select the AP you would like to connect and press Connect button to link it Please click OK to continue 7 ...

Page 12: ...uration Utility appears as an icon on the system tray of Windows while the card is running You can open the utility by double click on the icon Right click the icon there are some items for you to operate the configuration utility z Lauch PLANET WNL U552 Utilities Select Lauch PLANET WNL U552 Utilities to open the Configuration Utility tool z Use Zero Configuration as Configuration Utility Select ...

Page 13: ...r Description Available Networks This list shows all available wireless networks within range of your card It also displays the information of the networks including the SSID BSSID Signal Strength Channel 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 card will automatically connect to the selected network Res...

Page 14: ...elative settings of the profiles including Profile Name SSID Channel etc This sign indicates the activated profile is been connecting 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 card will be initia...

Page 15: ...pecify a SSID for the card and then only the device with the same SSID can interconnect to the card 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 PSM Power Saving Mode The power saving function is only available when the network type is in Infrastructure CAM Constantly Awake Mode The card ...

Page 16: ... mode This mode is also the default setting 802 11 G only This card can be compatible with both 802 11g and 802 11b wireless stations If there are only 802 11g wireless stations in the network you can set the card to this mode Preamble 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 inclu...

Page 17: ...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 Authentication Type 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 v...

Page 18: ...udes 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...

Page 19: ...haracters including a z and 0 9 as the encryption keys For example 01234567890123456789abcdef or administrator 3 2 2 1 802 1x Setting Certification 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 authenti...

Page 20: ...rove or deny user login to the LAN 3 Send username password to RADIUS server Parameter Description Authentication Type The EAP authentication protocols this card has supported are included as follows This setting has to be consistent with the wireless APs or Routers that the card intends to connect PEAP TTLS PEAP and TTLS are similar and easier than TLS in that they specify a stand alone authentic...

Page 21: ...uthentication Roaming SameSsid and Always selections for you to choose whether to recovery the session in different status Identity Enter the name as the identity for the server Password Enter the password as the identity for the server Use Client Certificate A client certificate is required for TLS and is optional for TTLS and PEAP This forces a client certificate to be selected from the appropri...

Page 22: ...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 tr...

Page 23: ...ere the server is blueberry zeelans com but it may be any name used in the certificate name field 3 3 Link Status From the Link Status option you can view all the information of the network you are connecting to Parameter Description Status Display the SSID and MAC ID of the network the card is connecting to Extra Info Display the link status Channel Display the number of the radio channel and the...

Page 24: ... unit of dBm select this check box Signal Strength This bar shows the signal strength level The higher percentage shown in the bar the more radio signal been received by the card This indicator helps to find the proper position of the wireless device for quality network operation Noise Level Display the noise level in the wireless environment 3 4 Statistics This option enables you to view the stat...

Page 25: ...de This mode is also the default setting 802 11 B G mix If you have a mix of 802 11b and 802 11g wireless stations in your network it is recommended to setting the card to this mode 802 11 B only This card 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 card to this mode Select Your Country Region Code The...

Page 26: ...n some of it This feature only takes effect when the connected AP also supports TCP Window Size The larger TCP Window the better performance Fast Roaming at 70dBm When you want to fast roaming to the network nearby without intercepting the wireless connection especially the card is applied to the multimedia application or a voice call you can enable the parameter The card will fast roaming to the ...

Page 27: ...erver and authenticates the client so quickly that there is no perceptible delay in voice or other time sensitive applications Enable Radio Measurement 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 Non Serving Channel Meas...

Page 28: ...pplications Parameter Description 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 Save Enable Enable WMM power saving mode to save energy and lets your battery live longer Setting Click this button to select t...

Page 29: ...ely 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 ...

Page 30: ...ossible 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 ...

Page 31: ...ndby mode or use other way to start WPS standby mode as the instruction given by your wireless access point s user manual 2 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 27 ...

Page 32: ... 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 complete When you see WPS status is connected successfully message means the connection between your wireless network card and access point is successfully connected by WPS and the information about access point you connected t...

Page 33: ...enabled access point found You can also click Rotate button and next 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 3 7 2 WPS Setup PIN 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 t...

Page 34: ...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 30 ...

Page 35: ...IN 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 Note This function is not support in the OS of Windows VISTA 31 ...

Page 36: ...tion you can click the hyperlink to connect the PLANET website You can also obtain basic information about the WNL U552 such as the Driver Utility and EEPROM Version The MAC Address of the card is displayed in the screen as well 32 ...

Page 37: ...nfrastructure configuration Ans 1 Make sure that the PC to which the Adapter is associated is powered on 2 Make sure that your Adapter is configured on the same channel and with the same security options as with the other computers in the Infrastructure configuration Q What should I do when the computer with the Adapter installed is unable to connect to the wireless network and or the Internet Ans...

Page 38: ...ed into your computer s PCI slot If the Planet configuration utility s icon is black the network card is not detected by your computer Switch the computer off and insert the card again If this doesn t work contact the dealer of purchase for help 2 Reboot the computer and try again 3 Remove the driver and re install 4 Contact the dealer of purchase for help Q I can not establish connection with a c...

Page 39: ...er 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 B A protection mechanism c...

Page 40: ...ment 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 protection in security On the hardware sid...

Page 41: ... 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 ...

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