USER MANUAL
Contents
1. 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 Node 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 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 preamble2. 1 3 41 1 Firmware Version 0002 0165 0048 00C0 NVM Version 2040010 25 MAC Address 00 03 12 22 13 42 m Configuration Utility Version 1 8 0 415 Sep 2003 Preferences View Site The default page is as above after you launch the utility program 3 1 Preferences This screen allows you to define the setting of the WNC 0300USB wireless USB adapter operation Preferences General Statistics Update Interval E secs Parameter display units C dBm Percent Cha E Defaults Cancel Apply Statistic Update Interval the sample rate in secs of the throughput Parameter display units Two display options for SNR signal strength either in dBm or in percent 3 2 View Site This screen allows you to scan for the available access point or the wireless network wireless clients and Access Points and establish wireless communications with one The resulting as below in terms of AP View displays the currently available access points that are received by the wireless USB adapter Available AP s Link Quality Network Name SSID _ Mode Security Channel Rate MAC Connect 199 default Infrastr WEP 6 54 Mbps 00 03 2F 1 Save Profile Rescan gt Y Excellent Good Medium Poor A Connected NetworkView Close Link Quality Shows the link quality 100 presents the maximum connection quality Network Name SSID AP s SSID designated by the l
3. 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 20 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 amount 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 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
4. 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 22 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 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
5. click the wireless connection in the task bar and then select the advanced Wireless Network Connection 2 The following wireless network s are available To access a wireless network select it from the list and then click Connect Available wireless networks default This wireless network requires the use of a network key WEP To access this network type the key then click Connect Network key Confirm network key Enable IEEE 802 1x authentication for this network IF you are having difficulty connecting to a network click Advanced b Uncheck the Use Windows to configure my wireless network settings and then click OK 4 Wireless Network Connection 2 Properties PIR General Wireless Networks Advanced Use Windows to configure my wireless network settings Available networks To connect to an available network click Configure i defaut ddcasia Preferred networks Automatically connect to available networks in the order listed below Move up M ove down Add Remove Properties Learn about setting up wireless network configuration 7 Please click the utility icon to launch the utility program 3 Configuration 54Mbps Wireless USB Configuration Util E General Profiles CurrentStatistics About Device Device Name 54Mbps Wireless USB Adapter Regulatory Domain FCC US Driver Version
6. key is used to send broadcast and multicast packets to all jan access p 4 global key sof t the client There must be a minimum of four global keys supported by 17 Security define the network encryption scheme including WEP Encryption Key Hex When security type is WEP this is enabled You can define up to 4 sets At least one key must be defined 3 5 Current Statistics 54Mbps USB Utility General Profiles CurrentStatistics About Signal Activity Signal Strength 99 Receiving 0 KB sec SNR 20 dB Sending 10 KB sec Network Rate 54 Mbps Reset Preferences View Site This screen graphically displays the received and sent traffic rates of the wireless USB adapter Signal Strength Shows the received signal strength SNR the ratio of the signal strength and the noise Network Rate Shows the data rate ranging from 1 Mbps to 54 Mbps Received Shows the current Rx Rate measured in Kbytes sec Sent Shows the current Tx Rate measured in Kbytes sec 3 6 About This page displays some information about the WNC 0300USB 11g wireless USB adapter 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 54Mbps Wireless USB Configuration Util E a General Profiles CurrentStatistics About Device Device Name 54Mbps Wireless USB Adapter Regulatory Dom
7. 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 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 b
8. 0 lt 0 m O MN O a WNC 0300USB 11g Wireless USB Adapter USER MANUAL Contents Lege o ie acct tanta a as Gore weenie nas oS A a cance ehh ae eal 3 1 1 Product Features sd 3 1 2 SR E did 3 2 A ea naea esate Wid sexo ted Resear tars alec uous dale naan 3 2 1 LED Adictos e e a a E AT 3 D2 Install the 54Mbps Wireless USB Adapter ooocconoccnooccconoconcconcnonanonnnonnno 4 2 2 1 Utility Installations sanea da a a 4 22 2 Driver Installation dat 6 Dich OM UUM AON ita ee a e e e ae e cel 10 3 1 Pretendo 11 3 2 VIEW SIE ese tenni a r A ERE deaendee 12 3 3 A bade Gaetan ae asa eee eaten ae ae 15 3 4 PEO TUS ssi scot ate e ed 16 3 5 Current States 18 3 6 A a O 19 AOS i 19 1 Introduction Congratulations on your purchase of this outstanding LevelOne WNC 0300USB 11g Wireless USB Adapter By 802 11g standard WNC 0300USB provides the stable wireless connection up to 54Mbps LevelOne brought to you the most convenient and efficient wireless environment Please refer to this manual before your installation 1 1 Product Feature e Compliance with IEEE 802 11g and 802 11b standards e Highly efficient design mechanism to provide unbeatable performance e Achieving data rate up to 54Mbps for 802 11g and 11Mps for 802 11b with wide range coverage e Strong network security with WEP support e Auto switch between the two standards IEEE 802 11b and 802 11g e Driver Utility support most commonly used operating syst
9. ain FCC US Driver Version 1 3 41 1 Firmware Version 0002 0165 0048 DOCO NVM Version 2040010 25 MAC Address 00 03 12 22 13 42 Configuration Utility Version 1 8 0 15 Sep 2003 Preferences View Site 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 can 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 0 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 m
10. as every other computer that you may send messages to or get information from also has a copy of TCP IP 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 networks or Ethernet enabled clients together 23
11. ate measured in Kbytes sec Sent Shows the current Tx Rate measured in Kbytes sec Network Data Rate Shows the selected PHY bit rate This rate varies between 1 54Mbps 3 4 Profiles The profile is the setting of the Access Point It contains three parts profile name network name SSID and security 54Mbps Wireless USB Configuration Util a General Profiles CurrentStatistics About Axto Selection Profiles Profile Name E Profile 1 LevelOne Connect click this button for connection based on the selected profile setting New click this button to create a new profile Edit click this button to edit the selected profile You could edit the selected new profile as below screen after clicking the new or edit button Profile Configuration Profile O General Security Name Profile O Network Name SSID default Network Mode Infrastructure AdHoc m Power Save M Auto AE Max Performance L m Channel Frequency Phy Mode Channel 802 11 b g IV Auto Select Profile member Defaults Cancel Apply Name define your preferable name for this profile SSID define the profile s SSID Network Mode define the network mode Infrastructure Ad Hoc for this profile Profile Configuration General Security Security None Encryption Keys Hex 0 9 4 F Keyi Paro 7 64 bits y rea f bits Keys 64 bits z A global
12. ember 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 and the Traffic Indicator Message TIM 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 CSMAICA In local area networking this is the CSMA technique that combines slotted time division multiplexing with carrier sense multiple access collision detection CSMA
13. ems including Windows 98SE ME 2000 XP 1 2 System Requirement Windows 985E 2000 ME and XP operating systems PC with Pentium III 600MHz system or above is recommended Equipped with at least one USB port One CD ROM drive 2 Getting Start 2 1 LED Indicators The Power LED will be ON when the unit is powered up The Link LED will be Blinking indicates a WLAN connection 2 2 Install LevelOne 11g Wireless USB Adapter 2 2 1 Utility Installation 1 Before insert WNC 0300USB into your computer please install the Utility Program first NOTE all the snapped images of installation mentioned in this manual are based on Windows XP For other windows operating system all the procedures are the same but the screens are not the exactly same 2 Turn on the computer Insert the CD into the CD ROM Drive Please click the Install 3 InstallShield Wizard will automatically start Please click Next to continue InstallShield Wizard Welcome to the InstallShield Wizard for 54Mbps Wireless USB Adapter The InstallShield Wizard will install 54Mbps Wireless USB Adapter on your computer To continue click Next Cancel InstallShield Wizard Choose Destination Location Select folder where Setup will install files Setup will install 54Mbps Wireless USB Adapter in the following folder To install to this folder click Next To install to a different folder click Browse and select another folder Desti
14. nation Folder C Program Files 54Mbps Wireless USB Adapter Browse InstallShield Cancel Please click Finish InstallShield Wizard InstallShield Wizard Complete The InstallShield Wizard has successfully installed 54Mbps Wireless USB Adapter Before you can use the program you must restart your computer No will restart my computer later Remove any disks from their drives and then click Finish to complete setup Please turn off your computer and then insert the Wireless USB adapter Turn on your computer and start to install the driver 2 2 2 Driver Installation 1 Please select the first option and click Next Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for B 4Mbps Wireless USB Adapter If your hardware came with an installation CD 42 or floppy disk insert it now What do you want the wizard to do Oi i Install from a list or specific location Advanced Click Next to continue 2 Please click Continue Anyway Found New Hardware Wizard Please wait while the wizard installs the software Hardware Installation The software you are installing for this hardware 54Mbps Wireless USB Adapter has not passed Windows Logo testing to verify its compatibility with Windows lt P Tell me why this testing is important Continuing your installation of this software may im
15. ocal network administrator Network Mode Indicate the network mode Infrastructure or Ad Hoc Security Indicate the encryption mode None WEP WPA Channel Indicates the currently active channel Rate Indicate the link rate measured in Mbps MAC MAC address represented in digits and characters Network View Switch the display from AP View to Network View The below display is in terms of Network View Available Networks Link Qualit Network Name SSID Mode Securit Connect 99 default Infrastructure WEP Save Profile Edit Conn Rescan Excellent Good S Medium Poor Connected AP View Close Connect connect to the selected network Rescan Initial a constant scanning and display an updated list of the access point and the network AP View Switch the display from Network View to AP View Save Profile save the selected network connection status as a profile Clicking this button to save profile the below screen with two tabs general and security pop up Save Connection to Profile General Security Name Profile 1 Network Name SSID LevelOne Network Mode Infrastucture AdHoc Power Save F Auto Select Profile member Defaults Name define your preferable name for this profile SSID define the profile s SSID Network Mode define the network mode Infrastructure Ad Hoc for this profile Auto Select Profile member Profile C
16. onfiguration General Security Security None 1also bet inere must be a mir Security define the network encryption scheme of WEP Encryption Key Hex When security type is WEP this is enabled You can define up to 4 sets At least one key must be defined 3 3 General General is the status screen that shows the current information of the connection and link status 54Mbps USB Utility General Profiles CurrentStatistics About Connection Connected to SSID default Network Mode Infrastructure Channel Frequency 6 2 437 GHz 802 119 Max Network Rate 54 Mbps Security Disabled Power Save Max Performance Radio Transmitter Link Status Radio Status Hwy Link Quality Enable Radio Received amp Sent Je Network Rate 54 Mbps Preferences View Site SSID Shows the current SSID Network Mode Shows the current network mode Infrastructure or Ad Hoc used for wireless communication Channel Frequency Shows the current channel frequency used for wireless network Max Network Rate Shows the maximum data rate used for transmitting For example 54Mbps is for 802 11g and 11Mbps is for 802 11b Security Shows the current encryption mode used for wireless network Power Save Shows the power save mode for the host of the Wireless USB adapter Link Quality Shows the link quality 100 presents the maximum connection quality Received Shows the current Rx R
17. oundary 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 21 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 Gateway a device that interconnects networks with different incompatible communication protocols HEX Hexadecimal HEX consists of numbers from 0 9 and letters 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 that 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 Spectrum in the vicinity of 2 4GHz in particular is being made available worldwide
18. pair 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 STOP Installation 3 Please click Finish Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for Hg 54Mbps Wireless USB Adapter Click Finish to close the wizard Finish 4 You could check it through the device management to make sure the installation is successful E Device Manager File Action View Help e gt m0 82a y Computer s Disk drives a Display adapters 2 DVD CD ROM drives 3 Floppy disk controllers 43 Floppy disk drives IDE ATA ATAPI controllers lt Keyboards 3 Mice and other pointing devices eh Monitors o E9 S4Mbps USB Adapter F A adapters Ports COM amp LPT Processors Sound video and game controllers System devices Universal Serial Bus controllers Universal Serial Bus controllers H A H A E a 5 Once the installation is successful a utility program icon will show on your desktop 6 Please first disable the Windows XP zero configuration if you are using Windows XP to avoid the conflict with the utility of wireless USB adapter Please follow the below procedure a Right
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