Planet Technology WNL-U552 manuale d’uso

802.1 1n W i reless USB Adapter WNL-U552 User ’ s Manual V ersion: 1.00 Date: August 2007[...]

Copyright Copyright © 2007 by PLANET T echnology Corp. All rights rese rved. No part of this p ublication may be reproduced, transmitted, transcribed, st ored in a retrieval system, or translated into any languag e or computer language, in any form or by any means, electronic, me chanical, magnetic, optical, chemical, manual or otherwise, without [...]

Federal Communication Commission (FCC ) Radiation Exposur e S tatement This equipm ent complie s with FCC radiati on exposure s et forth for an uncontroll ed environm ent. In order t o avoid the possibility o f exceeding the FCC radio frequen cy exposure limits, human proximity to the antenna shall not be l ess than 20 cm (8 inches) during norm al [...]

CONTENTS Chapter 1 Introduction ........................................................................................ 1 1.1 Features ...................................................................................................................... 1 1.2 Specifications ..........................................................................[...]

- 1 - Chapter 1 Introduction For higher wireless transfer performance, we are glad to introdu ce the PLANET 802.11n wirele ss USB adapter – WNL-U552. It is a USB 2.0 wireless adapter t hat can operate in either Ad-Hoc m ode (Point to Point/Point to Multipoint without an Access Point) or Infrastructure mode (Point to Point / Point to Multipoint wi[...]

- 2 - 1.2 S pecifications Interface USB 1.1 / 2.0, T ype-A St andards Conformance Compliant with 802.1 1b / 802.1 1g / 802.1 1n (draft 2.0) Data T ransfer R ate IEEE 802.1 1b: 1 1/5.5/2/1M IEEE 802.1 1g: 54/48/36/24/18/12/9/6 IEEE 802.1 1n: 300/270/243/240/216/180/ 162/120/108Mbps in 40M hz mod e 145/130/1 17/104/ 78Mbps in 20Mhz mode Operating Mod[...]

Chapter 2 Installation Procedure Utility Installation 1. Insert the bundled CD into the CD-ROM drive to launch the auto run program. Once comple ted, a menu screen will appear . 2. Click the “Configuration Utility” hy perlink in the WNL-U552 field to init iate the installation procedure. Note : If the menu screen does not appear, cli ck “Star[...]

6. Y ou can see the inst allation progress in this screen. 7. Please click “Finish” to finish the inst allation. - 4 -[...]

Driver Installation 1. Please insert WNL-U552 into a vacant USB port of your PC. 2. Windows will detect thi s device automatically . When the “Found New Hard ware Wizard” dialo g box appears, please click “Can cel”. 3. Choose the first one “Search for the best driver in these locations” and tick the box of “inclu de this location in t[...]

5. The screen will show the rate of progress for the install ation of WNL-U552 as below . 6. Please click “Finish” to complete the driver inst allation - 6 -[...]

7. The WNL-U552 utility will appear on the screen. Pl ease select the AP you would like to connect and press “Connect” button to link it. Please click” OK” to continu e. - 7 -[...]

Chapter 3 Configuration Utility The Configuration Utility is a powerful application that helps you c onfigure the WNL-U5 52 and monitor the link status and the statistics during the communi cation process. When the WNL-U552 is installed, t he configuration utility will be displa yed automatically. This card will auto connect to wireless device whi [...]

3.1 Site Survey When you open the Configuratio n Ut ility, the system will scan all the channel s to find all the access points/stations within the accessi ble range of your card and automatically connect to the wireless device with the highest signal st rength. From the “S ite Survey”, all the networks nea rby will be listed. You can change th[...]

3.2 Profile The “Profiles List” is for you to manage the netwo rks you con nect to frequently. You are able to Add/Delete/Edit/Activate a profile. Parameter Description Profiles List The profiles list display all t he profiles and the relative setting s of the profiles including Profile Name, SSID, Channel, etc. This sign indicates the activate[...]

3.2.1 Add Profile - Configuration Parameter Description Profile Name Define a recognizable profile name for you to identify the dif ferent networks. SSID The SSID (up to 32 print able ASCII characters) is the unique name identified in a WLAN. The ID prevent s the unintentio nal merging of two co-located WLANs. Y ou may specify a SSID for the card a[...]

- 12 - Network T ype Infrastructure – This operation mode requires the presence of an 802.1 1 Access Point. All communication is done via the Access Point or Router . Ad-Hoc – Select this mode if you want to connect to anothe r wireless station in the Wireless LAN network with out through an Access Point or Router . TX Power If you want to lowe[...]

Channel This setting is only available for Ad Hoc mode. Select the number of the radio channel used for the networking. The cha nnel setting shoul d be the same with the network you are connect ing to. 3.2.2 Add Profile - Authentication and Security Parameter Description Authentication T ype This setting has to be consi s tent with the wireless net[...]

- 14 - WP A – WP A provides a scheme of mutual authentication using ei ther IEEE 802.1x/Extensible Authenticat ion Protocol (EAP) authent ication or pre-shared key (PSK) technology . It provides a hi gh level of assurance to enterprises, small businesses and home use rs that data will remain prote cted and that only authorized users may acce ss t[...]

- 15 - Note: All devices in the network shoul d use the same encryption method to ensure the communication. WP A Pre-Shared Key The WP A-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 wirele ss stations in th e network. WEP Key (Key1 ~ Key4) The WEP keys are used t o encrypt data tran [...]

An example for MD5 Authentication RADIUS Server Windows 2000 IAS (Internet Au thentication Service) IEEE 802.1x Access Client Access Point RADIUS Client 1 2 3 4 (2) Login with username, password. (1) Client requests t o login the network. (4) Approve or deny user login to the LAN. (3) Send use rname, passwor d to RADIUS server. Parameter Descriptio[...]

- 17 - encrypted tunnel. TTLS support s any prot ocol within it s tunnel, including CHAP , MS-CHAP , MS-CHAPv2, P AP and EAP-MD5. PEAP specifies that an EAP-compliant authentication prot ocol must be used; this card supports EAP-MSCHAP v2, EAP-TLS/ Smart card and Generic T o ken Card. The cli ent certifi cate is opt ional required for the authentic[...]

3.2.2.2 802.1x Setting - CA Server Parameter Description Use Certificate Chain When the EAP authentic ation type such as T LS, TTLS or PEAP i s selected and required a certification to tell the cli ent what server credentials to accept from the authentication server in order to verify the server , you have to enable this function. Certificate Issue[...]

name found on the certificat e. Domain name must end in specified name When selected, the serv er name field identifies a domain. Th e certificate must use a server name b elonging to this domain or t o one of its sub-do mains (e.g. zeel ans.com, where the server i s blueberry .zeelans.com) but it may be any name used in the certificate name field.[...]

Link S peed (Mbps) Display the transmission and reception rate of the ne twork. The maximum transmission rate is 54Mbps. Throughput (Kbits/sec) Display the s peed of data tran smitted and received. Link Quality This bar indicate s the quality of the link. The higher the percentage, the better the quality . dBm If you want to know the signal strengt[...]

3.5 Advance This option enables you to configure mo re advan ced settings, for example: wireless mode, protection mode and etc. Parameter Description Wireless Mode 802.1 1 B/G/N mix – If you have a mix of 802.1 1b, 802.1 1g, and 802.1 1n wireless st ations in your network, It is to maximize wireless compatibility with wireless access p oints and [...]

- 22 - importing. If you are in different country, you have to adjust the channel setting to comply the regulation of the country. Wireless Protection If you have a mix of 802.1 1b and 802.1 1g wireless st ations in the network, it is recommended to enable the protection mech anism. This mechanism can decrease the rate of data collisio n between 80[...]

T urn on CCKM During normal operation, LEAP-enabled client devices mutually authenticate with a new access point by performing a complete LEAP authentication, including communicatio n 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 anothe[...]

3.6 QoS This wireless network card provides QoS (Qualit y of Service) function, which can improve th e performance of cert ain network applications, like audio / video st reaming, network telephony (V oIP), and others. When you enable WMM (Wi-Fi MultiMedia) function of this network card, you can define the priority of different kinds of dat a, to g[...]

Direct Link Setup Enable Enable or disable dire ct link setup (DLS) functio n. This function will greatly improve the data tr ansfer rate bet ween WMM-enabled wireless devices. Please click ‘Ap ply’ button on the right of this check box af ter you check or unche ck this box, so correspon ding settings in this window will be a ctivated or deacti[...]

- 26 - 3.7 WPS Configuration Wi-Fi Protected Setup (WPS) is the latest wireless networ k technology which make s wireless networ k setup become very simple. If you have WPS-enable d wireless access point, and you want to est ablish a secure connection to it, you don’t have to c onfigure the wireless access point and se tup data encryption. All yo[...]

3.7.1 WPS Setup - PBC (Push-Button Configuration) 1. Push the ‘WPS’ button on your wireless access point (the button used to a ctivate WPS standby mode), or use other way to start WPS st andby mode as the instru ction given by your wirele ss acce ss point’s user manual. 2. Before you start to est ablish the wireless connec tion by using WP S,[...]

All access point s found will be displayed. Please make sure the access point you wish to connect i s displayed. If not, please click ‘ Rescan’ few more ti mes. Y ou can also click ‘Information’ button to see the detailed informatio n ab out selected access point. 5. Click ‘PBC’ button now to start to establish wi rele ss conne ction by[...]

Sometime WPS may fail, and you can click ‘PBC’ butt on 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 sele ct another WPS-enabl ed wireless access poi nt, then click ‘Connect’ to establish co nnection to selected acce s[...]

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 -[...]

Y ou may have to click ‘PIN’ for few more times to try again. If you still can not connect to access point by this way , please make sure the PIN code you provided to access point is correct. Note: This function is not support in the OS of Windows VISTA. - 31 -[...]

3.8 About By choosing this option, you can click the hyperlink to conn ect the PLANET website. You can also obtain basic information ab out t he WNL-U55 2 such as the Driver, Utility and EEPROM Version. The MAC Address of the card is di splayed in the screen as well. - 32 -[...]

- 33 - Chapter 4 Appendix 4.1 T roubleshooting This chapter provides solutions to problems usually encountered during the installation and operation of the adapter . Q. The PLANET WNL-U552 does not work properly . Ans.: 1. Right click on My Computer and select Propert ies. Select the device man ager and click on the Network Adapter . Y ou will find[...]

- 34 - can result in multiple singular BSSs being establish ed, rather than a single BSS with multiple client s associated to it. 6. Check that the Network Con nection for the wireless client is con figured properly . 　 If Security is enabled, make sure that the corr ect encryption keys are ent e red on both the Adapter and the access point. Q. I[...]

- 35 - 2. Enable ‘Wireless Protection’ in ‘Advanced’ tab. 3. T ry a lower TX Rate in ‘Advanced’ tab. 4. Disable ‘Tx Burst’ in ‘Advanced’ t ab. 5. Enable ‘WMM’ in ‘QoS’ t ab if you need to use multimedia / telephony related appli cations. 6. Disable ‘WMM – Power Save Enable’ in ‘QoS’ tab. 7. There could be too m[...]

- 36 - 5. What is Infrastructure ？ An integrated wireless and wireless a nd wired LA N is called an Infrastructure configurati on. Infrastructure is applicable to enterpri se scal e for wireless access to central dat abase, or wireless application for mo bile workers. 6. What is BSS ID ？ A specific Ad hoc LAN is called a Basic Se rvice Set (BSS[...]

- 37 - receiver , DSSS appears as low power wideband noise and is rejected (ignored) by most narrowband receivers. 13. What is Spread S pectrum ？ S pread S pectrum technology is a wideband radio frequency tech nique developed by the milit ary for use in reliable, secure, mission -critical co mmunication systems. It is designed to trade of f bandw[...]