IEEE802.11g Wireless PCI Card WL-8310 User Manual
Contents
1. PLANET IEEE802 11g Wireless PCI Card WL 8310 User Manual Copvright Copyright 2005 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 been tested and found to comply with the limits for a Class B digital device pu2. The system will prompt you to restart the computer now or later Select No will restart my computer later then click Finish Please refer to next section to install WL 8310 driver PLANET WL 8310 Setup InstallShield Wizard Complete The InstallShield Wizard has successfully installed PLANET WL 8310 You must restart your computer No will restart my computer later Remove any disks from their drives and then click Finish to complete setup 2 2 Windows 98 ME 2000 XP Server 2003 Driver Installation Note The following installation operates under Windows XP Procedures will be similar to other operating svstem 1 Power off the computer Insert WL 8310 to a vacant PCI slot and turn on the computer 2 The Found New Hardware Wizard screen will appear Please select Install the software automatically Recommended option and click Next to continue Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for PLANET WL 8310 PCI Adapter If your hardware came with an installation CD gt or floppy disk insert it now What do you want the wizard to do O Install from a list or specific location Advanced Click Next to continue 3 The system will search for the proper driver and a dialog box may pop up as below Click Continue Anyway to continue Hardware Installation A The software you are installi
3. and AP in order to establish the communication Frequency Shows the current frequency used for wireless network Wireless Mode Shows the current wireless mode used for wireless communication Encrvption Shows the current encrvption mode used for wireless network TxRate Shows the current data rate used for transmitting Channel Shows the current channel for communication Link Qualitv Shows the link qualitv of WL 8310 with the Access Point when operating in Infrastructure mode Signal Strength Shows the wireless signal strength of the connection between the WL 8310 and the Access Point Data Rate Shows the statistics of data transfer and the calculation is based on the number of packets transmitted and received 3 2 Configuration PLANET WL 8310 X ii Configu SSID AP2fcf50 iis Advanced Wireless Mode Infrastructure Support Band if Site Survey AdHoc Band 11B iz About Channel M 11G Power Mode Continuous Access Mode w Preamble Short amp Long Preamble Apply j Cancel In this screen vou can configure the wireless settings of WL 8310 After configuration please press Applv to save settings or Cancel to set again SSID The SSID must be identical for each clients and nodes in the wireless network Wireless Mode Click pull down button and select the work mode below gt Ad Hoc This mode indicates the peer to peer operation All communication is done fro
4. of the above screen When WPA PSK is selected in Encryption field please click Configuration button and key in the identical passphrase as configured in Access Point Define WPA PSK Enter your WPA Passphrase The minimum length is 8 characters planet wpa encryption Apply Cancel j WPA PSK is a special mode of WPA for home users without an enterprise authentication server and provides the same strong encryption protection 3 4 Site Survev is Link Info PLANET WL 8310 Available Network BSS IBSSID SSID WEP A 00 30 47 07 50 2 0 No Yes it Configuration L Refresh i Advanced i 00 30 4F 3D DB 90 wap 4030a es Yes 1 p 4 0 ii Site Survey it About Profile This screen shows the APs or Adapters which available fro WL 8310 to connect If you configure the SSID of WL 8310 as Any it will show all available APs and Adapters at the same time Click Refresh to collect the BSSID and Channel information of all the wireless devices around you If you wish to connect to any device on the Available Network list select the device on the list and click Connect then WL 8310 will connect to the selected device and create a profile for the selected device automatically You can configure profile with those buttons gt Add Add a new profile gt Remove Delete the profile you selected gt Properties Modify the profile you selected A
5. peak time Trade shows exhibitions and construction sites need temporary setup for a short time period Retailers airline and shipping companies need additional workstations for a peak period Auditors require workgroups at customer sites 5 Access to database for mobile workers Doctors nurses retailers white collar workers need access to database while being mobile in the hospital retail store or office campus 6 SOHO Small Office and Home Office users SOHO users need easy and quick installation of a small computer network 7 High security connection The wireless security network installs quickly and provides the flexibility to reconfigure easily IEEE802 11g Wireless PCI Card WL 8310 PCI V2 2 Steadv for power on blink for WLAN link act 2 412 2 462GHz FCC USA 8 Canada 11 Channels 2 412 2 4835GHz TELEC Japan 14 Channels 2 412 2 472GHz ETSI Europe 13 Channels Direct Sequence Spread Spectrum DSSS Technology OFDM CCK QPSK BPSK 16dBm typical 802 119 72dBm PER lt 8 54 Mbps 802 11b 82dBm PER lt 8 11 Mbps Super G up to 108Mbps 802 11g 54 48 36 24 18 12 9 6 Mbps with auto rate fall back 802 11b 11 5 5 2 1 Mbps with auto rate fall back CSMA CA ACK One detachable dipole antenna Ad Hoc Infrastructure 3 3 5 Volt 133 x 121 x 22 mm 0 95 non condensing Operating and storage 0 55 degree C Operating 10 70 degree C Storage Windows 98SE ME 2000 XP Server
6. popular operating systems including Windows 98 Me 2000 XP One detachable dipole antenna Low Interference and High Susceptibility Guarantee Reliable Performance Supports Power Save mode Supports PCI standard v2 2 1 2 Applications 1 2 1 Infrastructure The WL 8310 provides access to a wired LAN for wireless workstations An integrated wireless and wired LAN is called an Infrastructure configuration A group of WL 8310 PC users and an Access Point compose a Basic Service Set BSS Each WL 8310 PC ina BSS can talk to any computer in the wired LAN infrastructure via the Access Point An Infrastructure configuration extends the accessibility of a WL 8310 equipped PC to a wired LAN and doubles the effective wireless transmission range for 2 WL 8310 PCs Since the Access Point is able to forward data within its BSS the effective transmission range in an infrastructure LAN is doubled The use of a unique ID in a BSS is essential All WL 8310 equipped PCs configured without roaming options in an independent BSS must be configured with a BSS ID corresponding to the WL 8310 used in the BSS Check your WL 8310 for its BSS ID or use the Site Survey function on Configuration Utility program to determine the BSS ID The Infrastructure Wireless LAN configuration is appropriate for enterprise scale wireless access to a central database or as a wireless application for mobile users Infrastructure mode also supports roaming capabilities for mobile users M
7. 2003 Utility or Windows XP built in management interface FCC Part 15 class B CE Mark ETS 300 328 1 3 Specification Product Model Name Attachment Interface LED Indicators Operating Frequency Channel RF Modulation RF Output Power Sensitivity Data Rate Media Access Protocol Antenna Working Mode Power Dimension mm Humidity Temperature Compatibility Management Electromagnetic Compatibility 1 4 Package Contents Before installation please check the items of your package The package should include the following items WL 8310 x1 Dipole Antenna xi Quick Installation Guide x1 Drivers and User s Manual CD x1 If any of the above items are missing contact your supplier as soon as possible 1 5 Minimum Svstem Requirements Before installation please check the following requirements with vour equipment e Operating System Windows 98 Me 2000 XP Server 2003 Desktop PC with CD ROM driver One vacant PCI slot 1 6 Installation Considerations Please keep the number of walls and ceilings between the Access Point and clients as less as possible Each wall or ceiling can reduce your wireless cover range form 3 90 feet Position your Access points Residential Gateways and computers so that the number of walls or ceilings is minimized e Building materials make a difference A solid metal door or aluminum studs may have a negative effect on range Try
8. 310 The InstallShield Wizard will install PLANET WL 8310 on your computer To continue click Next 3 You can click Browse to specify the Destination Folder that you want to install the configuration utility Or you can keep the default setting and click Next to continue PLANET WL 8310 Setup Choose Destination Location Select folder where setup will install files Setup will install PLANET L 8310 in the following folder To install to this folder click Next To install to a different folder click Browse and select another folder Destination Folder C Program Files PLANET WL 8310 Browse InstallShield Cancel 4 Select the program folder you want to install this utility to Or you can keep the default setting and click Next to continue PLANET WL 8310 Setup Select Program Folder Please select a program folder Setup will add program icons to the Program Folder listed below You may type a new folder name or select one from the existing folders list Click Next to continue Program Folders PLANET WL 8310 Existing Folders Accessories Administrative Tools Microsoft Office PrintMe Internet Printing InstallShield lt Back Cancel 5 Click Finish to complete the installation procedures PLANET WL 8310 Setup InstallShield Wizard Complete The InstallShield Wizard has successfully installed PLANET WL 8310 Click Finish to exit the wizard 6
9. chnology is called Compression The AR5005GS chipset employs a special engine to compress and encrypt data The last technology is Combine Channel which combines two radio channels simultaneously for one connection Through the above three technologies Super G mode can provide up to 108Mbps data rate but the available channels will be reduced to 6 only What is eXtended Range function The eXtended Range technology is developed by Atheros Traditional Wi Fi chipset architectures focus on maximizing throughput in order to perform well in benchmarks and typical office environments Such designs typically don t perform well at long range Atheros new chipsets feature a new baseband architecture that dramatically stretches the performance of a WLAN by enabling long range connections The architecture delivers receive sensitivities of up to 105dBm over 20 dB better than the 802 11 specifications 20
10. ed 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 v 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 How does WL 8310 reach the high data rate 108Mbps WL 8310 is using Atheros AR5005GS chipset which enhanced with Super G mode There are three technologies used in Super G mode First is called Packet Bursting which puts more data in one single transmission Second te
11. ference received including interference that mav 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 possibilitv of exceeding the FCC radio frequencv exposure limits human proximitv 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 with Frequency channel restrictions Germany Greece Ire
12. fter press Add or Properties the dialog box will appears for configuring profile You can refer to above to know how to configure the setting for your need 3 5 About It shows the current Driver Firmware and Utility version Appendix This section provides some technology Q amp A Read the description below to know more about the wireless network What is the difference between 54Mbps and 11Mbps wireless products7 What s the benefit of 54Mbps Wireless Access Point The 54Mbps is made possible bv the new modulation method called OFDM which is different from the current CCK modulation method for 11Mbps The 54Mbps wireless products also operate in the 2 4GHz ISM band and thev are backward compatible with 11Mbps wireless products What is 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 The 2 4GHz unlicensed ISM band is available worldwide which presents the opportunity for the global market of 802 11b and 802 11g high speed wireless products What is Ad Hoc An Ad Hoc integrated wireless LAN is a group of computers each with a WLAN adapter Connected as an independent wireless LAN Ad Hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation What is Infrastructure An integrated wireless and wired LAN is called an Infrastructure configuration Infrastructure is applicable to enterprise scale for
13. g but it is capable to offer much higher data rate than standard With the latest innovative eXtended Range technologv the WL 8310 can operate at 108Mbps data rate in high SNR signal to noise ratio environment and process extremely low signal in low SNR environment Provided with a detachable dipole antenna the WL 8310 can obtain better signal quality and longer connection distances by using higher gain antennas The WL 8310 supports both 64 128 bit WEP Wired Equivalent Privacy and Wi Fi Protected Access WPA for securing wireless network connections The driver and utility support most popular operating systems Windows 98SE ME 2000 XP With all these advanced features and high performance WL 8310 is the optimal choice when constructing a wireless total solution 1 1 Features Wireless LAN IEEE 802 11g and 802 11b standards fully compliant Wireless connection without the difficulty and cost of cabling 6 Based on 2 4GHz Direct Sequence Spread Spectrum DSSS Technology Supports eXtended Range technology to operate at 108Mbps data rate in high SNR signal to noise ratio environment and process extremely low signal in low SNR environment 6 Supports 64 128 bit WEP Wired Equivalent Privacy and Wi Fi Protected Access WPA Supports Ad Hoc Peer to Peer communication and Infrastructure mode with Access Point Seamless integration with IEEE 802 3 LAN through any IEEE 802 11b or 802 11g compliant Access Point Supports most
14. land Italy Luxembourg The Netherlands Portugal Spain Sweden and United Kingdom The ETSI version of this device is also authorized for use in EFTA member states Iceland Liechtenstein Norway and Switzerland Potential restrictive use France Only channels 10 11 12 and 13 Revision User s Manual for PLANET IEEE802 11g Wireless PCI Card Model WL 8310 Rev 3 0 May 2005 Part No EM WL8310V3 Manual Contents Chapter 1 Introduction 1 1 1 TWA ADPlC ALON sas 2 p a i b i a a e a a ei tai ai 1 TBF a tes tyre hau a tease aaa leu hee Ol a a Me lets 4 7 4 anna ann ann mnn 5 1 6 Installation Considerations 4114 5 Chapter 2 Installation Procedure 6 2 1 Configuration Utility Installation 6 2 2 Windows 98 ME 2000 XP Server 2003 Driver Installation 22 nn nennnenennn 8 Chapter 3 Configuration Utilitv 11 Sal Link AMO TEA A ha 12 3 2 CONMMOULATOM eta ii ra ia a a a Above ees 13 SiS ii isir i tini a ri a a a bia ed detetitestentad pled aids 15 0 eUa AAEE E Aca ore aati a aaah e eee ata leah E says baud ase 17 17 Appendix 18 Chapter 1 Introduction The WL 8310 is an IEEE 802 11g Wireless PCI card that can operate in either Ad Hoc mode Point to Point Point to Multipoint without an Access Point or Infrastructure mode Point to Point Point to Multipoint with an Access Point WL 8310 is compliant to both 802 11b and 802 11
15. m client to client without the use of an Access Point gt Infrastructure This operation mode requires the presence of an Access Point All communication is done via the Access Point Ad Hoc Band There are three options available for selection gt 11B Allows user to set the 802 11b standard wireless network gt 116 Allows user to set the 802 11g standard wireless network Channel Shows the number of the radio channel used for the networking Tx Rate 11B G Shows the Data Transfer Rate If Auto Mode is selected the device will choose the best transfer rate automatically Tx Rate 11A Preserved for future usage Power Mode Shows Power Management modes There are two optional selections for this mode gt Continuous Access Mode WL 8310 will always set in active mode gt Maximum Power Save WL 8310 will enter power saving mode when it is idle gt Power Save WL 8310 consumes the moderate level of power Preamble There is two options can be selected Short amp Long Preamble Long Preamble 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 interoperate with the 1 Mbit s and 2 Mbit s DSSS specification as described in IEEE 802 11 and an optional Short Preamble and header as described in IEEE 802 11b At the recei
16. ng for this hardware PLANET WL 8310 has not passed Windows Logo testing to verify its compatibility with Windows xP 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 hardware vendor for software that has passed Windows Logo testing Continue Anyway 4 Click Finish to complete the installation Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for Haj PLANET WL 8310 PCI Adapter Click Finish to close the wizard Cancel Chapter 3 Configuration Utilitv The Configuration Utilitv is a powerful application that helps vou to configure the WL 8310 and monitor the status of the communication process Bv double click the icon 1 on the svstem trav the dialog box as below appears Pit Link info PLANET WL 8310 X 2 Status Associated BSSID 00 30 4F 2F CF 50 Configuration SSID AP2fcf50 Frequency 2437 MHz Wireless Mode Infrastructure 000 Encryption WEP Disable gt Site Survey Tx Rate 18 Mbps Charnel f ME i Advanced it About Link Quality Signal Strength Link Quality 100 Signal Strength 100 Data Rate Transmit 0 Kbps d d Receive 0 Kbps 1000 This utilitv can be used to modifv the configuration
17. ore than one BSS can be configured as an Extended Service Set ESS The continuous network allows users to roam freely within an ESS All WL 8310 PCs or other IEEE 802 11b and 802 11g compliant wireless adapters within one ESS must be configured with the same ESS ID and use the same radio channel Before enabling an ESS with roaming capability choosing a feasible radio channel and optimum Access Point position is recommended Proper Access Point positioning combined with a clear radio signal will greatly enhance performance 1 2 2 Ad Hoc An Ad Hoc wireless LAN is a group of computers each equipped with one WL 8310 adapter or other wireless adapters connected as an independent wireless LAN Computers in a specific Ad Hoc wireless LAN must be configured to share the same radio channel Ad Hoc wireless LAN configurations are appropriate for branch level departments or SOHO operations 1 2 3 General Application WL 8310 offers a fast reliable cost effective solution for wireless client access to the network in applications like these 1 Remote access to corporate network information E mail file transfer and terminal emulation 2 Difficult to wire environments Historical or old buildings asbestos installations and open area where wiring is difficult to employ 3 Frequently changing environments Retailers manufacturers and banks who frequently rearrange the workplace and change location 4 Temporary LANs for special projects or
18. parameters when the device is active Following details the configuration options Note It is recommended to use PLANET utilitv to configure WL 8310 even under Windows XP and Server 2003 svstem Thus please disable the Wireless Zero Configuration Service in Windows before activating PLANET utilitv To disable the service vou can go to the Properties screen of the wireless network and clear the box of Use Windows to configure mv wireless network settings as illustrated below 1 Wireless Network Connection Properties MINT Ge ee ee General Wireless Networks Authentication Advanced Available networks i AP2fcf50 chin wap 4030a Prefered networks er Pr if Learn about setting up wireless network configuration 3 1 Link Info fi Link Info PLANET WL 8310 Status Associated BSSID 00 30 4F 2F CF 50 SSID AP2fcf50 Frequency 2437 MHz ib Advanced 2 Wireless Mode f infrastructure 00 l Encryption WEP Disable ji Site Survey Tx Rate 18 Mbps 6 jis Configuration Channel Rescan i About Link Quality Signal Strength Link Quality 100 Signal Strength 100 Data Rate Transmit 0 Kbps a Receive 0 Kbps 1000 100 10 0 This screen contains current link information of WL 8310 12 Status Shows the BSSID associated with which can be used to identify the wireless network SSID Shows current SSID which must be the same for the wireless client
19. rsuant 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 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 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 cause harmful interference and 2 this Device must accept anv inter
20. the same mode to communicate gt Open Authentication With this setting the station in the WLAN can receives and transmits data from Access Point null authentication gt Shared Authentication With this setting allows communication only with other devices with identical WEP settings e WEP Key options gt Default Key There are 4 keys available for the WEP function Please select one of them for WEP to operate gt Network Key You can define the WEP Wired Equivalent Privacy Key values by yourself gt Key Length Please select which WEP key mode you want to use There are three modes each mode has two kind of key length and that is decide on the Key Format you selected 64bit SASCII 10HEX 128bit 183ASCII 26HEX KevFormat You can select WEP key format to HEX Hexadecimal code 0 9 A F or ASCII American Standard Code for Information Interchange 0 9 a z A Z When WPA is selected in Encryption field please click Configuration button for advanced settings Define Certificate Select a Certificate z Server Domain Name _________ _ Login Name Chose a Certificate x WPA uses 802 1x and Extensible Authentication Protocol EAP as the basis of its authentication mechanism Thus your computer needs to install a certification for the RADIUS server first Please consult with your network administrator for getting the certification and the appropriate parameters
21. to position Access Points and computers with wireless adapters so that the signal passes through drywall or open doorways and not other materials 6 Keep the wireless product away form electrical devices or appliances at least 3 6 foot which may generate extreme RF noise Chapter 2 Installation Procedure Before vou proceed with the installation it is necessarv that vou have enough information about the Wireless PCI Card Use the Procedure described below to install the card under Windows 98 Me 2000 XP Server 2003 Note If vou ever install the other Wireless Card before please uninstall the existed driver and utility first If this is the first time to install this device please refer to the following steps to complete the installation 2 1 Configuration Utilitv Installation Please install the configuration utilitv before insert WL 8310 into the PCI slot of the computer 1 Insert the CD ROM into the CD ROM drive to initiate the autorun program Once completed a menu screen will appear 2 Click on Configuration Utility hyper link in WL 8310 field to initiate the installation If the above screen is not shown you can click the Start button and choose Run When the box appears enter E Utility WL 8310 setup exe Suppose E is your CD ROM drive You will see the dialog box as the picture Please click Next to continue PLANET WL 8310 Setup Welcome to the InstallShield Wizard for PLANET WL 8
22. ty check using TKIP the Temporal Key Integrity Protocol to enhance data encryption WPA PSK is a special mode of WPA for home users without an enterprise authentication server and provides the same strong encryption protection WPA is not an official IEEE standard but is based on and is expected to be compatible with the upcoming 802 11i security standard v Could implement the driver utility installations on another operating system e g Windows 98SE 2000 and Me Are there any differences of driver utility installations among these different operating systems Yes you can All the installation mentioned in this user s manual could be implemented on Windows 98SE Me 2000 XP and there will be no difference v CanwWireless products support printer sharing Wireless products perform the same function as LAN products Therefore Wireless products can work with Netware Windows NT 2000 XP or other LAN operating systems to support printer or file sharing v Whatis DSSS What is 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 transmitter and receiver 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 call
23. ver the Preamble and header are processed to aid in demodulation and delivery of the PSDU The Short Preamble and header may be used to minimize 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 Support Band The supported bands of WL 8310 are 11B 11G and eXtended Range With all options selected WL 8310 can keep the highest flexibility when making connection to AP If you fix the WLAN band for both AP and WL 8310 it can skip the initial negotiation time 3 3 Advanced eT PLANET WL 8310 i Configuration Encryption Auth Mode 600 i Advanced Default Key Network Key Key Length it Site Survey 1 it About Default Key Key Format Additional security can be achieved by using any of the following encryption methods WEP Wired Equivalent Privacy WPA Wi Fi Protected Access and WPA PSK Pre Shared Key When Enable is selected in Encryption field WEP encryption is activated Please enter the appropriate parameters to these fields Auth Mode gt Auto With this setting stations can communicate with the Access Point either with or without data encryption It will detect the AP that it connected is using which Authentication mode and use
24. wireless access to central database or wireless application for mobile workers What is BSS ID A specific Ad Hoc LAN is called a Basic Service Set BSS Computers in a BSS must be configured with the same BSS ID What is Roaming Roaming is the ability of portable computers e g Packet PC and notebook to have consistent and continuous data transmission reception throughout an area covered by more than one Wireless Access Point In order to achieve seamless connectivity all the wireless clients and Access Points must be set to use the same SSID Whena user walked out of the coverage area of one AP into another the wireless client network device will automatically reestablish connection with the new AP What is a MAC Address The Media Access Control MAC address is a unique number assigned by the manufacturer to any Ethernet networking devices e g a network adapter that allows the network to identify it at the hardware level Unlike IP addresses which can be 18 A changed or dvnamicallv assigned bv the network the MAC address of a networking device is permanent v Whatis WEP Wired Equivalent Privacy WEP is a type of data encryption mechanism described in the IEEE 802 11 standard v MWhatis WPA Wi Fi Protected Access WPA resolves the issue of weak WEP headers which are called initialization vectors IV and provides a way of insuring the integrity of the messages passed through MIC called Michael or message integri
Download Pdf Manuals
Related Search