Planet Technology WL-U356 manuale d’uso

802. 1 1g Wireless U S B 2.0 A dapter WL-U356 User ’ s Manual[...]

2 Co p y right Copyright ã 2004 by PLANE T T echnology Corp . All righ t s reserved. No part of this publication may be reproduced, transmitted, transcribed, s t ored in a retrieval s y stem, or transla t ed in t o any language o r compute r language , in any fo r m o r by any means, electronic, mechanical , magnetic, optical, chemical , manual o [...]

3 Federal Communication Commission (FCC) Radiation Exposu r e Statement This equipment complies w ith FCC radia t ion e x posure set f orth for an uncontrolled envi r onment. I n order to avoid t he possibility o f e x ceeding the FCC radio frequency e x posure limi t s, human pro x imity to the antenna shall not be less t han 20 cm (8 inches) du r[...]

4 T A BLE OF CONTENTS C H A P T ER 1 I N T RODUC T ION .............................................................. .1 1.1 Featu r e s ............................................................................................. .1 1.2 Applicatio n .......................................................................................... .1 1.3 S[...]

1 Chapter 1 Introduction Complying w ith the IEE E 802. 1 1g s t anda r d, W L-U356 provides simple , reliable, high-speed w ireless connec t ivity for both desktop and laptop users. By combining t w o, s t ate-of - the - art technologies — USB 2.0 and 802. 1 1g — the gadget deli v ers da t a at speed up to 54 M bps, five times the speed of e x[...]

2 signals can p r ovide w ireless users w ith seamless net w ork access. The Infras t ruc t ure mode is appropria t e for en t erprise-scale w ireless access to a central da t abase o r provides various w ireless applications for mobile use r s. Infrastructure mode also suppor t s r oaming capabilities f or mobile use r s. M ore than one B S S can [...]

3 S o f t A P This featu r e converts the w ireless USB adap t er into a w ireless access point immediately, and you thus can create an ins t ant w ireless net w ork, w hich spares the additional cost of pu r chasing a w ireless access point . It makes W L-U356 a compact w ireless access point w ith all basic functions con t ained in an ordinary ac[...]

4 1.3 Speci f ica t ion Product 54 M bps W ireless USB Adapter M odels W L- U 356 Attach Inte r face USB 2.0 A-type connector LED Indica t or Link/ACT Operating Frequency / Channel 2.412~2.462GHz (FCC, Canada) / 11 Channels 2.412~2.4835GHz (Japan, TELEC) / 14 Channels 2.412~2.472GHz (Euro ETSI) / 13 Channels RF M odulation OF D M w ith BPSK, QPSK, [...]

5 1.6 Inst a lla t ion C o nsidera t ions l Be w are of the w alls and ceilings. Each w all or ceiling can r educe your w ireless cover range form 3 - 90 f eet. P r ope r ly position your A ccess Poin t s, R esidential Gate w ays, and compu t e r s so that the number of w alls or ceilings residing bet w een A ccess Poin t s and clien t s is minimiz[...]

6 Chapter 2 Installation Procedure Before you proceed w ith the ins t allation, it is necessary that y ou have enough info r ma t ion about t he W i r eless USB Adapter . Follo w the procedure described belo w in this chapter t o ins t all t he USB adap t er under W indo w s 98SE / ME/2000/ X P/Server 2003. 2.1 Configur a tion Utili t y Install a t[...]

7 Note: If the above sc r een does not appear, click “ Start ” a t the taskba r . Then, select “ Run ” and type “ E :Utility W L-U356setup.e xe ” , w here E is your C D -RO M drive. C. Y ou may click “ B r o w se ” to specify the destination folder you prefer f or the ins t alla t ion of utilit y . Other w ise, you can keep the [...]

8 Note: If you r opera t ing system is W indo w s X P/Server 2003, the belo w w indo w w ill pop up . Please select “ Continue Any w ay ” to continue. Note: If you r operating system is W indo w s 2000 , th e belo w w indo w w ill pop up. Please choose “ Y es ” t o go on.[...]

9 2.2 D ri v er Inst a lla t ion Note : The follo w ing ins t allation opera t es under W indo w s X P . The procedure also applies to W indo w s Server 2003. If your opera t ing system is W indo w s 2000, please directly skip to s t ep 3. I f your operating system is W indo w s 98SE, W indo w s w ill automatically de t ec t and ins t all the devic[...]

10 testing ( W H QL) . Click “ Continue Any w ay ” to proceed since t he card has been tested thoroughly to ve r ify the compatibilit y . Note : If your operating sys t em is W indo w s 2000 , the belo w w indo w w ill pop up. Please click “ Y es ” to continue. D. W hen t he d r iver is ins t alled, click “ Finish ” t o comple t e the i[...]

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12 Chapter 3 C o nfiguration U t ilit y The Configu r ation Utility is a po w erful tool tha t helps you to configure W L-U356 easily and monitor the s t atus o f w ireless communica t ion . By double-clicking in the system tra y , the dialog box w ill appea r as follo w s: Note: It is highly recommended that you use PLANE T utility t ool to config[...]

13 u Mode : Ø S t ation: C onfigure the USB adapter as a w ireless s t ation. Ø Access P oin t : S w itch the USB adap t er into a w ireless access point. u Ne t w ork A dapter : Displays the product informa t ion of t he U SB adap t e r . u A vailable Ne t work: Displays all t he SSID and Signal S trength of w ireless access point and s t a t io[...]

14 3.2 M o re S etting … Y ou can enter this sc r een by clicking the “ M ore Set t ing …” bu t ton. Here you can specify the w ireless net w ork to w hich W L - U351 intends t o connect, enable/disable t he W E P da t a encr y ption, save or load the se t tings into/ fr om the profile, e t c. u General Connection Setting: Displays the info[...]

15 A d Hoc : This mode enables interconnecting of w ireless adapters w ithou t the presence of an A P or Route r . Ø Encr y ptio n : There are four items f or selection: Disable, W E P , TKI P , and AES . Y ou can con f igu r e the encryption method based on the se t tings in the “ E ncryption Setting ” field. Ø A uthentication mode: A ut o :[...]

16 u K e y Length : Select the 64, 128, or 256-bit W E P key to encrypt transmitted da t a. Large r key length w ill provide higher level of securit y , bu t the throughput w ill t hus be a ff ected. u Default K e y I D : Select one of the four keys (1~4) as the specified encryption ke y . u K e y Forma t: Ø Hexdec i mal : Only “ A-F ” , “ a[...]

17 u Connection Information : Ø Protocol : There are t w o kinds of protocols for W P A user au t hentica t ion - TLS and PEA P . TLS and PEA P r equi r e a Radius server and the Certificate Authorit y . The main di f ference bet w een t he 2 protocols is TLS requires both the radius server ’ s and the client ’ s certificates, w hile PEA P req[...]

18 w ill change into “ A pply ” fo r you to confi r m your ne w settings. 3.4 A d v anced Setting Here you can perfo r m country roaming, enable / disable po w er saving mode, and con f igu r e t he fragmen t ation threshold and R TS/ C TS threshold of W L-U356. u User Interface : Selec t the display language of the utilit y . T wo languages ar[...]

19 Any packet size is la r ger t han it w ill be fragmented. If you hit upon a high p acket e r ror ra t e , try to increase t his value , but t he per f ormance w ill thus be a ff ected. Keeping the de f aul t setting applies to most scenarios. u RTS/CTS Threshold : This feature focuses on solving the “ Hidden Note ” issue and avoiding subsequ[...]

20 u Connect S t a t ion List: Display all the M AC addresses of the w ireless s t ations associating w ith the A P . u Current Ne t w ork Setting : Displays t he info r mation abou t the cur r ent w ireless net w ork, including Channel, SSID, W E P and T x P o w er Level. u More Sett i ng: Press this button for f urther se t tings including disabl[...]

21 w orks in 1 1b or 1 1b/g mi x ed mode, you can choose either “ 1 , 2 M bps ” or “ 1 , 2, 5.5, 1 1 M bps ” . If the A P opera t es in pure 1 1g mode, you can choose one o f the four modes. But fo r bet t er perfo r mance, the last t w o modes ( 1, 2, 5.5, 1 1 , 6, 12, 24 M bps and 6 , 12 , 24 M bps) a r e recommended. Ø SSID: Service Set[...]

22 of 1 1b s t a t ions, use Long Preamble for bette r com p atibilit y . O ther w ise, Short Preamble w ill be a good choice in te r ms of the per f ormance. u M A C A ddress Filter : It enables the A P to cont r ol t he net w ork access by M AC address filte r ing of the w ireless clien t s. Ø Filter T y pe : There are th r ee options- Disable ,[...]

23 Chapter 4 Troubleshoo t ing This section provides solutions to problems usually encounte r ed du r ing t he ins t allation and operation of the USB adapte r . Read the descrip t ion belo w to di f fuse your doub t s. What is t he IEEE 802 . 1 1g s t andard? 802. 1 1g is the latest IE E E s t andard f or high-speed W L AN communica t ions that pr[...]

24 mili t ary f or use in r eliable, secure , mission-c r itical communication systems. I t is designed to trade o f f band w idth e f ficiency for reliabilit y , in t egrit y , and secu r it y . In other w ords, more band w idth is consumed than in the case of nar r o w band transmission , but the t r ade o ff produces a signal that is, in e f fec[...]