Planet Technology WL-U357v2 User's Manual
Contents
1. 7 When this dialog box appear please click Continue Anyway Software Installation A The software you are installing has not passed Windows Logo Pn testing to verify its compatibility with Windows sF Tell me why this testing Is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the software vendor for software that has passed Windows Logo testing Continue Anyway i 8 Please click Finish to complete the installation PLANET WL U35 Setup InstallShield Wizard Complete The Installshield Wizard has successtully installed PLANE T WL LI3b57 Click Finish to exit the wizard Finish Cancel 9 Please click Finish to restart your PC PLANET WL U35 Setup InstallShield Wizard Complete The InstallShield Wizard has successfully installed PLONE T WL US5 Driver and Utility au must restart your computer CO No will restart my computer later Remove any disks from their drives and then click Finish to complete setup Back Cancel 2 2 Hardware Installation 1 After PC restart Please select the correct Country Domain in the pull down list and press OK to continue Wireless Configuration Utility Country Selector Please select the country domain Regulatory Domain Availabl2. PLANET Networking amp Communication e 54 108Mbps Super G Wireless LAN USB Adapter WL U357v2 User s Manual Version 1 0 Copyright Copyright 2006 by PLANET Technology Corp 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 PLANET PLANET 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 PLANET 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 PLANET 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 be
3. WPA2 Internal Patch Antenna IEEE802 11b 2Mbps QPSK 87dBm 11 Mbps QPSK 82dBm Typically PER 8 packet size 1024 and 25 C 5 C IEE802 119 54Mbps 64QAM 48Mbps 64QAM 69dBm 66dBm 36Mbps 16QAM 74dBm 24Mbps 16QAM 78dBm 18Mbps QPSK 82dBm 12Mbps QPSK 84dBm 9Mbps BPSK 86dBm 6Mbps BPSK 88dBm Typically PER lt 10 packet size 1024 and 25 C 5 C Infrastructure Ad Hoc Continuous TX 472mA Continuous RX 290mA Windows 98SE ME 2000 XP Server 2003 1 4 Package Contents Before installation please check the items of your package The package should include the following items e One Wireless USB Adapter e One USB Cable e One CD ROM Including the Configuration Utility Driver and User s Manual e One Quick Installation Guide If any of the above items is missing contact your supplier as soon as possible 1 5 Minimum System Requirements Before installation please check the following requirements with your equipment Pentium Based above IBM compatible PC system with one vacancy USB 1 1 2 0 port CD ROM drive Windows 98SE 2000 ME XP and Server 2003 At least 5MBytes of free disk space for utility and driver installation 1 6 Installation Considerations Beware of the walls and ceilings Each wall or ceiling can reduce your wireless cover range form 3 90 feet Properly position your Access Points Residential Gateways and c
4. If the packet size is smaller than the preset RTS Threshold size the RTS CTS mechanism will NOT be enabled SSID Service Set Identifier which is a unique name shared among all clients and nodes in a wireless network The SSID must be identical for each clients and nodes in the wireless network Subnet Mask The method used for splitting IP networks into a series of sub groups or subnets The mask is a binary pattern that is matched up with the IP address to turn part of the host ID address field into a field for subnets TCP IP Transmission Control Protocol Internet Protocol The basic communication language or protocol of the Internet It can also be used as a communications protocol in a private network i e intranet or internet When you are set up with direct access to the Internet your computer is provided with a copy of the TCP IP program just as every other computer that you may send messages to or get information from also has a copy of TCP IP 24 Throughput The amount of data transferred successfully from one point to another in a given period of time WEP Wired Equivalent Privacy WEP is an encryption scheme used to protect wireless data communication To enable the icon will prevent other stations without the same WEP key from linking with the AP Wireless Bridge One of the additional AP operating modes offered by 54mpbs Access Point which allows a pair of APs to act as the bridge that connects two Ethernet netw
5. The Infrastructure mode is appropriate for enterprise scale wireless access to a central database or provides various wireless applications for mobile users What is BSS ID An Infrastructure network is called a Basic Service Set BSS AII the wireless stations in a BSS must share the same BSS ID What is TKIP It is another encryption method to overcome the inherent weaknesses of WEP a next generation of WEP It adopts new algorithm Michael to generate 128 192 bit encryption keys and provides per packet key mixing a message integrity check and a re keying mechanism What is AES AES Advanced Encryption Standard 1s a chip based encryption method of 26 Whati new generation and has been incorporated into the newly approved security standard 802 111 It supports 128 192 and 256 bit encryption key length and adopts Rijndael algorithm It is widely believed it 1s impossible to crack AES sDSSS Whatis 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 transmitters and receivers 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 greate
6. configuration button The popping window is as the below Please enter the key Define WPA PSE Enter your WPA Passphrase The minimum length is 8 characters Cancel The following will only be activated to allow for configuration when Open System Share Key or Auto is enabled in Auth Mode Default Key select one of the 4 keys to use Network Key choose the encryption way either in HEX or ASCII formats and enter the password in the blank space Key Length select 64 or 128 bits as the length of the keys Key Format ASCII or HEX 3 4 Site Survey This page allows you to enable the Site Survey function to scan for the available wireless network wireless clients and Access Points and establish wireless communications with one 16 fs Link Info PLANET WL U357 Available Wetwork Siga Refresh 5t Advanced DOD 30 4F 4D l2 21 100 l 00 30 4F 4D 11 D3 100 Connect DD 30 4F 4D 13 73 100 i Configuration i Site Survey Frofile list SET ni mau qi Remove Properties j Connect Available Network displays the wireless networks wireless clients and Access Points that are in your signal range Select any one of them to establish communications by simply mouse double click or click on the Connect button Click Refresh button to start scanning for available network again Profile You can create and manage the created profiles for Home offices or pu
7. with Frequency channel restrictions Germany Greece Ireland Italy Luxembourg The Netherlands Portugal Spain Sweden and United Kingdom The ETSI version of this device 1s also authorized for use in EFTA member states Iceland Liechtenstein Norway and Switzerland Potential restrictive use France Only channels 10 11 12 and 13 WEEE regulation go To avoid the potential effects on the environment and human health as a result of the lv presence of hazardous substances in electrical and electronic equipment end users of Ae electrical and electronic equipment should understand the meaning of the crossed out wheeled bin symbol Do not dispose of WEEE as unsorted municipal waste and have to ENNENNE collect such WEEE separately Revision User s Manual for PLANET Wireless USB Adapter Model WL U357v2 Rev 1 0 September 2006 Part No EM WLU357v2 Contents 1 gligelo Preii o n pne esr EIER 1 Tod gt AUIS morii incu ac esee Urt adet iva Delo ect n Cla rada ts 1 Tod JABDIICOUOFU arti initia nut tte ne Peut edibus pd D a oU rt eode Rud 1 TiS oDecIIICallOlisioiieivisietiseiaieteloVeta a Vlad leue vni ve ePi G I Prev nid Du Y ai qun 3 qo Package OI El kc eee eee ee ee ee ee ne Oe 4 1 5 Minimum System REqQuireMents cccccccceecceccceeeeeeeseeeseeeeeeceeeeeeeeees 5 1 6 Installation Considerations eeeseeseeseeeeee 5 Installation Procedure sssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
8. an join a wireless ESS network through it ASCII American Standard Code for Information Interchange ASCII is one of the two formats that you can use for entering the values for WEP key It represents English letters as numbers from O to 127 Authentication Type Indication of an authentication algorithm which can be supported by the Access Point 1 Open System Open System authentication is the simplest of the available authentication algorithms Essentially it is a null authentication algorithm Any station that requests authentication with this algorithm may become authenticated if 802 11 Authentication Type at the recipient station is set to Open System authentication 2 Shared Key Shared Key authentication supports authentication of stations as either a member of those who knows a shared secret key or a member of those who does not Backbone The core infrastructure of a network which transports information from one central location to another where the information is unloaded into a local system Bandwidth The transmission capacity of a device which is calculated by how much data the device can transmit in a fixed amount of time expressed in bits per second bps Beacon A beacon is a packet broadcast by the Access Point to keep the network synchronized Included in a beacon are information such as wireless LAN service area the AP address the Broadcast destination addresses time stamp Delivery Traffic Indicator Maps an
9. blic areas By double clicking on one of the created profile the setting will adapt to the configuration such as SSID channel and WEP settings saved by that particular profile Remove To remove the selected the profile Properties To view and change its settings of the profile Add To add a profile Then the following screen would appear 17 Profile Mame S5ID Wireless Mode Support Band AdHoc Band f V 11B Channel prm V 116 Power Made A 115 TURBO Auth Mode Encryption Default Kev ca m ae 5 m 3 5 About US This page displays some information about the 108Mbps Wireless Network USB Dongle utility which includes the version numbers for Driver Firmware and Utility When there is new version of software available for upgrade you will be able to identify by version numbers 18 Link Info PLANET WL U357 Configuration Advanced s Site Survey Adapter Information MAC Address D0 30 4F F8 40 B1 Utility Version 1 00 00 Driver Version 1 5 0 11 Regulatory Domain Foc 19 4 Glossary Access Point An internetworking device that seamlessly connects wired and wireless networks Ad Hoc An independent wireless LAN network formed by a group of computers each with a network adapter AP Client One of the additional AP operating modes offered by 54Mbps Access Point which allows the Access Point to act as an Ethernet to Wireless Bridge thus a LAN or a single computer station c
10. d the Traffic Indicator Message TIM 20 Bit A binary digit which is either 0 or 1 for value is the smallest unit for data Bridge An internetworking function that incorporates the lowest 2 layers of the OSI network protocol model Browser An application program that enables one to read the content and interact in the World Wide Web or Intranet BSS BSS stands for Basic Service Set It is an Access Point and all the LAN PCs that associated with it Channel The bandwidth which wireless Radio operates is divided into several segments which we call them Channels AP and the client stations that it associated work in one of the channels CSMA CA In local area networking this is the CSMA technique that combines slotted time division multiplexing with carrier sense multiple access collision detection CSMA CD to avoid having collisions occur a second time This works best if the time allocated is short compared to packet length and if the number of situations is small CSMA CD Carrier Sense Multiple Access Collision Detection which is a LAN access method used in Ethernet When a device wants to gain access to the network it checks to see if the network is quiet senses the carrier If it is not it waits a random amount of time before retrying If the network is quiet and two devices access the line at exactly the same time their signals collide When the collision is detected they both back off and wait a random am
11. e A network junction or connection point typically a computer or workstation Packet A unit of data routed between an origin and a destination in a network PLCP Physical layer convergence protocol PPDU PLCP protocol data unit 23 Preamble Type During transmission the PSDU shall be appended to a PLCP preamble and header to create the PPDU Two different preambles and headers are defined as the mandatory supported long preamble and header which interoperates with the current 1 and 2 Mbit s DSSS specification as described in IEEE Std 802 11 1999 and an optional short preamble and header At the receiver the PLCP preamble and header are processed to aid in demodulation and delivery of the PSDU The optional short preamble and header is intended for application where maximum throughput is desired and interoperability with legacy and non short preamble capable equipment is not consideration That is it is expected to be used only in networks of like equipment that can all handle the optional mode IEEE 802 11b standard PSDU PLCP service data unit Roaming A LAN mobile user moves around an ESS and enjoys a continuous connection to an Infrastructure network RTS Request To Send An RS 232 signal sent from the transmitting station to the receiving station requesting permission to transmit RTS Threshold Transmitters contending for the medium may not be aware of each other RTS CTS mechanism can solve this Hidden Node Problem
12. e Channels WARNING Selecting the incorrect region may be in violation of applicable laws 2 Please connect WL U35 to your PC s USB port If your PC s USB interface is not USB 2 0 Windows will prompt you there is a High Speed device connect to non High Speed USB hub Please don t worry about this and keep installing A HI SPEED USB Device Plugged into non HI SPEED USB Hub 4 HI SPEED USB device is plugged into a non HI SPEED USB hub For assistance in solving this problem click this message dy 6 02 PM 3 After properly connect the WL U357 to your PC Windows will detect WL U357 and show you this dialog box You can see the device name in this dialog box If the device name is correct please press Next to the driver installation Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for PLANET wL LI35 USB Adapter If your hardware came with an installation CD lt nr floppy disk insert it now What do you want the wizard to do C Install fram a list or specific location Advanced Click Next to continue Cancel 4 Windows may show you this driver is not passed Windows Logo test please 10 select Continue Anyway to continue Hardware Installation AN The software vau are installing Far this hardware PLANET wL LI357 USB Adapter has not passed Windows Logo testing to verify its compatibility with Windows AP Tel
13. e harmful interference and 2 this Device must accept any interference received including interference that may cause undesired operation Federal Communication 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 20 cm 8 inches during normal operation R amp TTE Compliance Statement This equipment complies with all the requirements of DIRECTIVE 1999 5 CE OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 9 March 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 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 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 Not Intended for Use The ETSI version of this device is intended for home and office use in Austria Belgium Denmark Finland France
14. e solution for wireless access to the various network scenarios 1 Remote access to corporate network for information E mail file transfer and terminal service 2 Difficult to wire environments Historical or old buildings public occasions venues and open area where it is difficult to wire 3 Frequently changing environments Factories Retailers and Offices that frequently change locations and rearrange the workplace 4 Temporary network access Events exhibitions construction sites or some important occasions that require temporary network access 5 Access to database for mobile workers Doctors nurses retailers white collar workers who need access to database while roaming in the hospital retail store or office 6 SOHO Small Office and Home Office users SOHO users who are in need of easy to install and wide coverage networking 1 3 Specification Attached Interface USB 2 0 A type connector Operating Frequency 2 412 2 462GHz FCC Canada 11 Channels Channel 2 412 2 472GHz ETSI Europe 13 Channels 2 412 2 484GHz TELEC Japan 14 Channels Emission type RF Modulation RF Output Power Data Rate Security Antenna Sensitivity Working Mode Power Consumption Compatibility Direct Sequence Spread Spectrum DSSS Technology OFDM with BPSK QPSK 16QAM 64QAM 15dBm 802 11b 1 2 5 5 11Mbps 802 119 6 9 12 18 24 36 48 54Mbps Super G up to 108Mbps 64 128bit WEP WPA PSK WPA2 PSK WPA
15. e users Infrastructure mode also supports roaming capabilities for mobile users More than one BSS can be configured as an Extended Service Set ESS The continuous wireless network connectivity allows users to roam freely within an ESS All wireless clients using WL U357v2 or other IEEE 802 11b compliant wireless adapters within one ESS must be configured with the same ESS ID and to use the same radio channel Before adopting an ESS with roaming capability choosing an available radio channel with less interference is highly recommended Proper Access Point positioning combined with a clear radio channel will greatly enhance performance Ad Hoc Still complaining about the high price of wireless access points This mode is the easiest and cost effective way to meet your requirements It enables you to construct wireless networking in no time without any access point Ad hoc mode is a wireless network type in which a group of computers equipped with WL U357v2 or other wireless adapters are connected together to form an independent wireless LAN All computers operating in this mode must be configured to share the same radio channel In this scenario new devices can be quickly added however wireless stations can only communicate with the other peers that belong to the same IBSS Independent Basic Service Set ja SN Sx C aces BE Sr NF Sy N Hy Y General Application WL U357v2 offers a fast reliable cost effectiv
16. en dialog box appears enter E Utility setup exe 3 When this screen appears please press Next to continue PLANET WL U357 Setup Welcome to the InstallShield Wizard for PLANET WL U35 The InstallShield Wizard will install PLANET WL US5 on pour computer To continue click Nest Cancel 4 You can click Browse to specify the Destination Folder that you want to install the utility Or keep the default setting and click Next to continue PLANET WL U357 Setup Choose Destination Location Select folder where setup will install files Setup will install PLANET vv L L35 in the following Folder To install to this folder click Next To install ta a different folder click Browse and select another Falder Destination Folder C Program Files PLANET WL LI357 Cancel 5 You can change the Program Folder name as you wish or use the default name to continue Please click Next for next step PLANET WL U357 Setup Select Program Folder Please select a program folder Setup will add program icons to the Program Folder listed below fou may type a new folder name ar select one from the existing folders list Click Nest to continue Program Folder Administrative Tools ames Startup 6 Installation will start copy driver and utility to your OS PLANET WL U35 Setup Setup Status PLANET WL USS ts configuring your new software installation Lancel
17. en tested and found to comply with the limits 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 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 To assure continued compliance example use only shielded interface cables when connecting to computer or peripheral devices Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the Following two conditions 1 This device may not caus
18. from A F IEEE The Institute of Electrical and Electronics Engineers which is the largest technical professional society that promotes the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession The IEEE fosters the development of standards that often become national and international standards Infrastructure An infrastructure network is a wireless network or other small network in which the wireless network devices are made a part of the network through the Access Point which connects them to the rest of the network ISM Band The FCC and their counterparts outside of the U S have set aside bandwidth for unlicensed use in the ISM Industrial Scientific and Medical band opectrum in the vicinity of 2 4GHz in particular is being made available worldwide MAC Address Media Access Control Address is a unique hex number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level Multicasting Sending data to a group of nodes instead of a single destination Multiple Bridge One of the additional AP operating modes offered by 54Mbps Access Point which allows a group of APs that consists of two or more APs to connect two or more Ethernet networks or Ethernet enabled clients together The way that multiple bridge setups is based on the topology of Ad Hoc mode Nod
19. ize overhead and thus maximize the network data throughput However the Short Preamble is supported only from the IEEE 802 11b High Rate standard and not from the original IEEE 802 11 That means that stations using Short Preamble cannot communicate with stations implementing the original version of the protocol Click Apply for the changes to take effect 3 3 Advanced This is the page where you configure advanced settings of your 108Mbps Wireless Network USB Dongle 14 PLANET WL U357 X i Link Info Configuration Auth Made Disable E Fm I Advanced Encryption Default Kev Network Kev Kev Length i About Default Kev Kev Format i Site Survey i Cancel j Auth Mode 5 options are available Open System Share key Auto WPA WPA2 WPA PSK WPA2 PSK and Disable Select Open System Share key or Auto for WEP data encryption feature If one of the three options is selected it is required to configure the following settings from the next dropping list If WPA WPA2 is selected configuration is enabled Please click the configuration The below window is pop up Then please select the certificate that user wants to use and enter the server name and login name Define Certificate Seleck a Certificate o Certification Authorities Microsoft Root Certificate Authority Server Domain Mame Login Mame 15 If WPA PSK WPA2 PSK is selected click the
20. l me why this testing Is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway 5 After the driver installation complete appears Please click Finish Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for Hi PLANET wL LI35 USB Adapter Click Finish to close the wizard 11 3 Configuration 3 1 Link Information The default page is as below after you launch the Utility program Pi unkino EM ronem i i Configuration Status Associated BSSID DO 30 4F 4D 11 D3 SSID c Advanced Frequency TR Wireless Made Infrastructure 000000000000 s Site Survey Encryption DISABLE 00000 Tx Rate ib About Channel 1 Link Quality Signal Strength Link Quality 100 Data Rate Transmit in kbps 10000 Receive 1154 Kbps 1000 100 10 L Status Shows the SSID associated which can be used to identify the wireless network SSID Shows current SSID which must be the same for the wireless client and AP in order for communication to be established Frequency Shows the current frequency used for wireless network Wireless Mode Shows the current wireless mode used for
21. nnnnnnnnnnnnnnnnnnnnnnn nnnm 6 2 1 Utility amp Driver Installation cece cece cece eeece cece eeseeeseeeeeeseeeaeeeseeeaees 6 2 2 nardware Installalllgsesooncceienbenit pcenam cct eae ada OR Dem CORP HOUR 10 Orel gills Ur 10 Dre TE SEEMS 12 Oe LNK INFOPMANOM ETT 12 Sureste UU T 13 SEP eges M M 14 oie OE 8 Vo eee nen eee eter te rene ene renee ene erence reer ner meee eee ae 16 3 0 ADOULU S E M 18 GIOSS aV ora aaa ac oc ace ee arene eowe 20 PVKOUDICSNOOUING rene 26 1 Introduction Complying with the IEEE 802 11g standard WL U357v2 provides simple reliable high speed wireless connectivity for both desktop and laptop users By combining two state of the art technologies USB 2 0 and Super G WL U357v2 provides up to 108Mbps data rate in 2 4GHz unlicensed ISM band Thus makes WL U357v2 more suitable for multimedia applications which required more bandwidth Support of 64 128 and 152 bit WEP encryption plus WPA Wi Fi Protected Access high level encryption prevents your wireless communications from unauthorized access and ensures secure data transfer The WL U357v2 is also backward compatible with 802 11b Access Points Easy installation and Hot plugging offers full mobility and high availability making the device a perfect choice for users who are getting tired of running cables or in constant need of wireless access 1 1 Features e 2 4GHz ISM band unlicensed o
22. omputers so that the number of walls or ceilings residing between Access Points and clients is minimized Building materials make a difference A solid metal door or aluminum studs may have a negative effect on signal coverage range Try to properly position Access Points and computers with wireless adapters so that there would be less obstacles existing between them Keep your wireless LAN devices away from microwaves cordless phones and child incubators It is likely that the latter will cause interferences to the operation of your wireless LAN devices 2 Installation Procedure Before you proceed with the installation it is necessary that you have enough information about the Wireless USB Adapter Follow the procedure described below in this chapter to install the USB adapter under Windows 988 E ME 2000 XP 2 1 Utility amp Driver Installation The following installation operates under Window XP The procedure also applies to Windows 98SE ME 2000 QO Note I If you had ever installed the other Wireless Cards before please uninstall the existed drivers and utilities first Note 2 Please install the configuration utility before insert WL U357v2 into the USB port of the computer 1 Insert Drivers and User s manual CD to your CD drive then a welcome web will appear 2 Please click the Utility hyper link to start install driver and utility If the web screen doesn t appear please click the Start and choose Run Wh
23. orks or Ethernet enabled clients together 25 9 Troubleshooting This section provides solutions to problems usually encountered during the installation and operation of the USB adapter Read the description below to diffuse your doubts What is the IEEE 802 11g standard 802 11g is the latest IEEE standard for high speed WLAN communications that provides up to 54Mbps data rate in the 2 4GHZ band It has become the mainstream technology of current WLAN networks It uses OFDM modulation to reach higher data transmission rate and backward compatible with 802 11b What is the IEEE 802 11b standard The IEEE 802 11b WLAN standard subcommittee which formulates a standard for the industry The objective is to enable WLAN hardware from different manufacturers to interoperate What features does the IEEE 802 11 standard provide The product supports the following IEEE 802 11 functions CSMA CA plus Acknowledge protocol Multi Channel Roaming Automatic Rate Selection e RTS CTS feature Fragmentation Power Management What is Ad hoc An Ad hoc mode is a wireless network type in which a group of computers equipped with wireless adapters are connected as an independent wireless LAN without any access point All computers operating in this mode must be configured to share the same radio channel and SSID What is Infrastructure The difference between Infrastructure network and Ad hoc network is that the former requires an Access point
24. ount of time before retrying DHCP Dynamic Host Configuration Protocol which is a protocol that lets network administrators manage and allocate Internet Protocol IP addresses in a network Every computer has to have an IP address in order to communicate with each other in a TCP IP based infrastructure network Without DHCP each computer must be entered in manually the IP address DHCP enables the network administrators to assign the IP from a central location and each computer receives an IP address upon plugged with the Ethernet cable everywhere on the network 21 DSSS 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 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 Dynamic IP Address An IP address that is assigned automatically to a client station in a TCP IP network by a DHCP server Encryption A security method that uses a specific algorithm to alter the data transmitted thus prevent others from knowing the information transmitted ESS ESS stands for Extended Service Set More
25. peration Wireless connectivity without the hassles and cost of running cables IEEE 802 11b g standard compliant USB 2 0 A type standard connector compatible with USB 1 1 Super G mode provides up to 108Mbps data rate Utilization of Direct Sequence Spread Spectrum plus OFDM modulation to provide robust interference resistant solution in a multi user environment e Support of 64 128 152 bit WEP encryption and WPA Wi Fi Protected Access high level encryption e Support of Ad Hoc Infrastructure mode e Support of most popular operating systems including Windows 98SE ME 2000 XP Server 2003 e Plug and Play installation 1 2 Application Infrastructure The major difference between Infrastructure network and Ad hoc wireless network is that the former requires an Access point For old buildings open areas or frequently changing environments just install the WL U357v2 on your desktop or laptop and thus you can get connected to the wired Ethernet through a wireless Access Point SOHO users can then access the Internet and share all kinds of data with the other wired or wireless clients within the coverage of wireless signals For enterprise users the installation of multiple Access Points to enlarge the coverage of wireless signals can provide wireless users with seamless network access The Infrastructure mode is appropriate for enterprise scale wireless access to a central database or provides various wireless applications for mobil
26. r 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 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission critical 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 27
27. rough the use the Access Points eAd Hoc To establish point to point wireless communication directly with other wireless client devices such as wireless network Adapter AdHoc Band When work with Ad Hoc mode this device will force to IEEE802 11b Channel The value of channel that AP will operate in You can select the channel range of 1 to 11 for North America FCC domain and 1 to 13 for 13 European ETSI domain and 1 to 14 for Japanese domain Power Mode There are 3 modes to choose eContinuous Access Mode default the USB Dongle is constantly operating with full power and it consumes the most power eMaximum Power Save the USB Dongle consumes the least power and only operates when there is wireless network activity ePower Save the USB Dongle consumes the moderate level of power Preamble Select Long or Short Preamble type Preamble is a sequence of bits transmitted at 1Mbps that allows the PHY circuitry to reach steady state demodulation and synchronization of bit clock and frame start Two different preambles and headers are defined the mandatory supported Long Preamble and header which interoperates with the 1 Mbit s and 2 Mbit s DSSS specification as described in IEEE Std 802 11 and an optional Short Preamble and header as described in IEEE Std 802 11b At the receiver the Preamble and header are processed to aid in demodulation and delivery of the PSDU The Short Preamble and header may be used to minim
28. than one BSS is configured to become Extended Service Set LAN mobile users can roam between different BSSs in an ESS ESSID The unique identifier that identifies the ESS In infrastructure association the stations use the same ESSID as AP s to get connected Ethernet A popular local area data communications network originally developed by Xerox Corp that accepts transmission from computers and terminals Ethernet operates on a 10 100 Mbps base transmission rate using a shielded coaxial cable or over shielded twisted pair telephone wire Fragmentation When transmitting a packet over a network medium sometimes the packet is broken into several segments if the size of packet exceeds that allowed by the network medium Fragmentation Threshold The Fragmentation Threshold defines the number of bytes used for the fragmentation boundary for directed messages The purpose of Fragmentation Threshold is to increase the transfer reliability thru cutting a MAC Service Data Unit MSDU into several MAC Protocol Data Units MPDU in smaller size The RF transmission can not allow to transmit too big frame size due to the heavy interference caused by the big size of transmission frame But if the frame size is too small it will create the overhead during the transmission 22 Gateway a device that interconnects networks with different incompatible communication protocols HEX Hexadecimal HEX consists of numbers from 0 9 and letters
29. wireless communication Encryption Shows the current encryption mode used for wireless network Tx Rate Shows the current data rate used for transmitting Channel Shows the current channel for communication Link Quality Shows the link quality of the 108Mbps Wireless Network USB Dongle with the Access Point when operating under Infrastructure mode Signal Strength Shows the wireless signal strength of the connection between the 108Mbps Wireless Network USB Dongle with the Access Point Data Rate Shows the statistics of data transfer and the calculation is based on the number of packets transmitted and received 12 3 2 Configuration This is the page where you can change the basic settings of the Access Point with the minimum amount of effort to implement a secure wireless network environment i Link Info PLANET WL U357 ib Configuration SSID NENNEN ERA Wireless Made Infrastructure v Support Band AdHoc Band Hb e E 116 i Site Survey 2 liG Channel lia TURBO About Power Made Continuous Access Mode Preamble Short amp Long Preamble Apply Cancel SSID Service Set Identifier which is a unique name shared among all clients and nodes in a wireless network The SSID must be identical for each clients and nodes in the wireless network Wireless Mode There are two types available for selection elnfrastructure To establish wireless communication with LAN and other wireless clients th
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