Netgear HA501 Reference Manual
Contents
1. Tanam Recah Sheds Peckels 1713 Packets eub 20 Wireless LAN About The About section of the NETGEAR HA501 802 11a Configuration Utility dialog box shows the release information of both the device driver for the wireless adapter and the wireless LAN configuration utility software 21 CHAPTER 6 TROUBLESHOOTING Problem No lights are lit on the wireless adapter The two LED s are blinking alternately am associated and connected to an access point but cannot see the other computers on the Ethernet side of the network The wireless card driver is not inserted into the CardBus PC card slot properly Or the proper HA501 wireless adapter driver is not loaded The wireless adapter is not associated to any access point properly You may not have configured the wireless parameters of the wireless nodes to be the same as the access point This could be a physical layer problem or a network configuration problem 22 Solution Remove and reinsert the wireless adapter Check the device manager in Windows to see if the adapter card is properly recognized in the Windows operating system Reload the driver if necessary Try to install the driver in different CardBus PC card slot on our Windows NT system if it s available e The access point may not be powered on The access point and the P C card are not configured with the same wireless param2. 2002 by NETGEAR Inc All rights reserved Trademarks NETGEAR is a registered trademark of NETGEAR INC Windows is a registered trademark of Microsoft Corporation Other brand and product names are trademarks or registered trademarks of their respective holders Information is subject to change without notice All rights reserved Statement of Conditions In the interest of improving internal design operational function and or reliability NETGEAR reserves the right to make changes to the products described in this document without notice NETGEAR does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Certificate of the Manufacturer Importer It is hereby certified that the Model HA501 Wireless Adapter has been suppressed in accordance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vfg 46 1992 The operation of some equipment for example test transmitters in accordance with the regulations may however be subject to certain restrictions Please refer to the notes in the operating instructions Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has been granted the right to test the series for compliance with the regulations Federal Communications Commission FCC Compliance Notice Radio Frequency Notice This device complies with part 15 of the FCC Rules Operation is subject
3. Since the HA501 Wireless Adapter transmits and receives radio frequency signals through its antenna there is no cable needed in the installation CHAPTER 4 DRIVER INSTALLATION Windows 98 Driver Software Installing Driver Software To install the NETGEAR HA501 Wireless Adapter driver for the first time in Windows 98 l 2 3 9 10 Follow the procedure described in the hardware installation chapter to install the HA501 Wireless Adapter into your notebook system Power up the system if the wireless adapter was inserted with the power off Upon power up Windows 98 automatically detects the existence of the HA501 Wireless Adapter An Add New Hardware Wizard dialog box opens Click Next to continue In the next Add New Hardware Wizard dialog box select Search for the best driver for your device Recommended Click Next The next Add New Hardware Wizard dialog box opens prompting for the location of the driver Insert the HA501 Wireless Adapter Resource CD ROM into the CD ROM drive Click Browse Double click the CD ROM drive letter to look into the content of the CD ROM Click OK After returning to the original Add New Hardware Wizard dialog box make sure that the Specify a location entry field shows assuming that D is the driver letter for the CD ROM drive Click Next The dialog box indicates that a Windows driver file is found Windows is ready to install the best driver for this device Click N
4. driver for the HA501 Wireless Adapter Verify that Windows has found the driver in the D directory assuming that D is the driver letter for the CD ROM drive Click Next Click Y es to continue when Windows indicates that the Digital Signature is not found Windows indicates that the software for the HA501 Wireless Adapter is now installed Click Finish Verifying Driver Installation From the Windows 2000 desktop double click the My Computer icon Double click the Control Panel icon then double click the S ystem icon Click on the Hardware folder tab Double click the Device Manager button Double click Network Adapters There should be no yellow exclamation mark or red cross sign on the NETGEAR HA501 Wireless Adapter selection Double click the HA501 Wireless Adapter The Device Status dialog box should indicate that the Wireless Adapter is working properly The installation of the HA501 Wireless Adapter driver in Windows 2000 is now completed P roceed to install the HA501 802 11a Configuration Utility 13 Windows XP Driver Software Installing Driver Software To install the ireless Adapter driver for the first time in Windows XP l 2 4 9 Follow the procedure described in the hardware installation chapter to install the HA501 Wireless Adapter into your notebook system Power up the system if the Wireless Adapter was inserted with the power off Upon power up Windows XP automatically detects the exist
5. 01 Wireless Adapter IEEE 802 11a uses Orthogonal Frequency Division Multiplexing OF DM a new encoding scheme that offers certain benefits over a spread spectrum in channel availability and data rate The 802 11a uses OFDM to define a total of 8 non overlapping 200 MHz channels across the 2 lower bands each of these is divided into 52 subcarriers and each carrier is approximately 300 KHz wide By comparison 802 11b uses only 3 non overlapping channels 515 518 520 5220 5240 5280 5300 530 5350 MH MH MH MH There are eight mdebenden clorr chismelt m the koser MHz of rhe 3 GHz specrrunr 0000000ODOOOCCXC Each channel i soldicuted iuto 32 subchaimeE erchabour 300 KHz wade The HA501 user can use eight channels in non turbo mode Turbo mode OFF Channel Frequency 5 18 GHz 40 5 20 GHz M 5 22 GHz 48 S 24GH2 60 153068 64 153268 O The HA501 user can use three channels in turbo mode Turbo mode ON Channel Frequency 42 5 21 GHz 5 25 GHz 5 29 GHz gt Note The available channels supported by the wireless products in various countries are different CHAPTER 3 HARDWARE INSTALLATION Package Contents The product package should contain e HA501 802 11a Wireless Adapter HA501 Wireless Adapter Resource CD ROM
6. CONFIGURATION ccccccccccccccsseccccccccccccccecceccccuacssecccccccuaeseeescecccuaaecesececcsuuaaeeesess 5 SERVICE SET IDENTIFICATION 330 pte mtu ee bue etse Sa pes adepta e EG 6 AUTHENTICATION AND WEP ENCRYPTION cccccccccsseeecccccccccececccccccccaesceeecccccccaesceecececceuaecesececessaaaeceesess 6 WIRELESS CHANNEL SELECTION eeRERR 7 CHAPTER ED duseuvu cdeucvesacs yeso a aaa a Oaa aA RNAd Nici aiai 9 PACAGE E ONTE a 9 HARDWARE ee ee ee ee ee 9 WIRELESS ADAPTER INSTALLATION cccccccccseeccccccceccccccceseccccueeeccccuscceccccuaucececeuausesseceaaescecsauceseecuauesess 9 ee I TALLE qo PP 10 WINDOWS 98 DRIVER SOFTWARE ccccsecccccccceccccccccseccccccccceccccueccccceauceccccausececcuucsececauceececuaucsssccuauasess 10 WINDOWS MILLENNIUM DRIVER SOFTWARE ccccccccccseeeeccccccccccccecccccccccecseecccccccuaesceecceccseaasccesceceuaasceecess 11 WINDOWS NT 4 0 DRIVER SOFTWARE eeennnn nnn nnnm nnnm nnne nnn n nennen enne nnns 12 WINDOWS 2000 DRIVER SOFTWARE cccccccccseecccccccsecccccuccceccccuseccccceauseccccuuesececcuucececeuueccceuauecesecsaussess 13 WINDOWS XP DRIVER SOFTWARE cccccccccccccseececcccccccccscecccccccuacsceccceccc
7. Configuration Utility now If you do not wantto use turbo mode proceed to the Netgear 802 11a HA501 Configuration Utility installation instructions 14 CHAPTER 5 WIRELESS LAN CONFIGURATION Wireless Adapter Configuration Utility NETGEAR supplies you with a wireless LAN configuration utility program to give you information on your wireless network such as signal quality and link conditions and to let you modify the various configurable wireless parameters Note Users of Windows 98 Me must reboot after making any configuration changes in the HA501 Configuration Utility Note Users of Windows 98 Me need to install the Windows Message Interface WMI to complete the installation of the HA501 Configuration Utility Note Users of Windows XP will have increased configuration capability if they use the HA501 802 11 Configuration Utility instead of using Windows XP to configure the wireless network settings The Zero Configuration feature can be disabled in the Wireless Network Connection Properties window by uncheck the Use windows to configure my wireless network settings default setting Wireless Adapter Configuration Utility Installation l T Insert the HA501 Wireless Adapter Resource CD ROM into the CD ROM drive From the Windows desktop double click the My Computer icon Double click the CD ROM drive letter to look into the content of the CD ROM Double click the SETUP application icon to start the installation p
8. HA501 Installation Guide Support Information Card Warranty and registration card Please call your reseller or customer support in your area if there are any wrong missing or damaged parts You can refer to the Support Information Card for the telephone number of customer support in your area You should keep the Support Information Card along with the original packing materials and use the packing materials to repack the HA501 Wireless Adapter if you need to return it for repair To qualify for product updates and product warranty registrations register online on the NETGEAR Web page at http www NETGEAR com Hardware Description The HA501 Wireless Adapter has two interfaces a 32 bit 68 Pin CardBus connector that connects to any notebook PC with an available CardBus slot and a wireless interface that remains outside of the notebook PC chassis when the Wireless Adapter is inserted into a notebook There are two green LEDs Network and Power that indicate the wireless link condition of the HA501 Wireless Adapter with another wireless node or the associated access point Wireless Adapter Installation The HA501 802 11a Wireless Adapter is hot swappable which means that you can insert it into a notebook PC that is either powered on or shut down You may insert the HA501 Wireless Adapter into any available CardBus slot at any time Some notebook computers have two CardBus slots the HA501 Wireless Adapter can be inserted into either slot
9. OM into the CD ROM drive Make sure that Automatic search for a better driver Recommended is selected Click Next to continue Windows Millennium looks into the floppy disk drive and the CD ROM drive for the appropriate driver Windows Millennium automatically installs the appropriate driver from the CD ROM for the HA501 Wireless Adapter Click Finish Click Yes when asked if you want to reboot the system The HA501 Wireless Adapter driver is now installed into your Windows Millennium system Verifying Driver Installation From the Windows Millennium desktop double click the My Computer icon Double click the Control Panel icon then double click the System icon Click on the Device Manager folder tab Double click Network Adapters There should be no yellow exclamation mark or red cross sign on the NETGEAR HA501 Wireless Adapter selection Double click the HA501 Wireless Adapter The Device Status dialog box should indicate that the Wireless Adapter is working properly The installation of the HA501 Wireless Adapter driver in Windows Millennium is now completed Proceed to install the HA501 802 11a Configuration Utility 11 Windows NT 4 0 Driver Software Microsoft Windows NT 4 0 is not a plug and play operating system and does not automatically detect and prompt you for installation of the Wireless Adapter driver The driver installation has to be initiated manually Installing Driver Software To install t
10. aving mode Sets the data encryption level for the wireless node The data encryption level must be the same between all wireless nodes and access points within the same network The possible values for the data encryption level are Disable 64 bits 128 bits and 152 bits The 64 bit data encryption is also called 40 bit data encryption by some vendors For more Be Information on data encryption please refer to the Wireless Network Fundamentals E hapter at the beginning of this ref id Enable Security chapter at the beginning of this reference guide Unchecking the Enable Security WEP Key box or setting the data encryption level to Disable is to not use any encryption this is also called Open System data encryption Setting the data encryption level to 64 bit configures the wireless node to use the 40 bit also called 64 bit Shared Key data encryption method Use of 128 bit and 152 bit Shared Key data encryption methods are also possible Shared Key The HA501 device with WEP enabled uses a WEP key to encrypt and decrypt information Entries An HA501 Wireless adapter can support up to four WEP keys Wireless LAN Statistics The Statistics section of the NETGEAR HA501 802 11a Configuration Utility dialog box indicates the real time packets performance in graph form and also displays the performance statistics in figures Power Saving Status Ceeiquretion Statistics About Tr nsmg
11. click on the Devices tab 3 list of devices installed in the system will be shown Scroll down the list to locate the NETGEAR HA501 driver entry The Wireless Adapter entry should indicate that the Wireless Adapter is started Note You may need to install the HA501 Wireless Adapter driver in a different CardBus slot if it s available The installation of the HA501 Wireless Adapter driver in Windows NT 4 0 is now completed Proceed to install the HA501 802 11a Configuration Utility 12 Windows 2000 Driver Software Installing Driver Software To install the NETGEAR HA501 Wireless Adapter driver for the first time in Windows 2000 l 2 3 Follow the procedure described in the hardware installation chapter to install the HA501 Wireless Adapter Power up the system if the Wireless Adapter was inserted with the power off Upon power up Windows 2000 automatically detects the existence of the HA501 Wireless Adapter A Found New Hardware Wizard dialog box opens and indicates that new hardware has been found Click Next In the next Found New Hardware Wizard dialog box click to select Search for a suitable driver for my device recommended Click Next to continue The next Found New Hardware Wizard dialog box opens prompting for the location of the driver Insert the HA501 Wireless Adapter Resource CD ROM into the CD ROM drive Select CD ROM drives and click Next Windows searches the driver CD ROM and locates the
12. ence of the HA501 Wireless Adapter A Found New Hardware Wizard dialog box opens and indicates that new hardware has been found Insert the HA501 Wireless Adapter Resource CD ROM into the CD ROM drive Make sure that Automatic search for a better driver Recommended is selected Click Next to continue Click Continue Anyway to continue when Windows XP indicates that the HA501 Wireless adapter has not passed Windows Logo testing Windows XP looks into the floppy disk drive and the CD ROM drive for the appropriate driver Windows XP automatically installs the appropriate driver from the CD ROM for the HA501 Wireless Adapter Click Finish Click Y es when asked if you want to reboot the system The HA501 Wireless Adapter driver is now installed into your Windows XP system Verifying Driver Installation From the Windows XP desktop double click the My Computer icon Double click the Control Panel icon and then double click the Hardware icon Click on the Device Manager tab Double click Network Adapters There should be no yellow exclamation mark or red cross sign on the NETGEAR HA501 Wireless Adapter selection Double click HA501 Wireless Adapter The Device Status dialog box should indicate that the Wireless Adapter Is working properly The installation of the HA501 Wireless Adapter driver in Windows XP is now completed If you wantto setup your wireless network to use turbo mode with Windows XP do not install the HA501 802 11a
13. ent complies with FCC radiation exposure limits 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 Radio Frequency Interference Requirements This device is restricted to indoor use due to its operation in the 5 15 to 5 25 GHz frequency range FCC requires this product to be used indoors for the frequency range 5 15 to 5 25 GHz to reduce the potential for harmful interference to co channel Mobile Satellite systems High power radars are allocated as primary users of the 5 25 to 5 35 GHz and 5 65 to 5 85 GHz bands These radar stations can cause interference with and or damage this device Canadian Department of Communications Radio Interference Regulations This digital apparatus Model HA501 Wireless Adapter does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications SM HA501NA 0 CONTENTS Sua S i n ruo 4 dX dp RTCERK 4 4 RELATED NETGEAR IEEE 802 11A PRODUCTS 4 CHAPTER 2 WIRELESS NETWDRE FUNDAMENTALS a Fe Papa Ve HE sae e a Fe Casvr epus 5 WIRELESS NETWORK
14. eters Check into the SSID Turbo mode option and WEP encryption settings The access point may be out of range Try moving the system Closer to the access point or readjusting the antenna on the access point You may also move the access point to a higher location for better signal reception by the wireless adapter Check to make sure that the access point is physically connected to the Ethernet network Make sure that the IP addresses and the Windows networking parameters are all configured correctly HARDWARE SPECIFICATIONS Model HA501 802 11a Wireless 32 bit CardBus Adapter 6 9 12 18 24 36 48 54 72 for Turbo mode Auto rate capable Frequency 5 15 5 25 GHz lower band for US Canada apan 5 25 5 35 GHz middle band for US Canada Range Outdoor environment Indoor environment 6 Mbps 1200 ft 300 ft 54 Mbps 100 ft 60 ft 40 bit also called 64 bit 128 bit or 152 bit WEP data encryption Limited by the amount of wireless network traffic generated by each node typically 30 to 70 nodes per network PCMCIA type II PC Card Provided drivers Microsoft Windows 98 NT 4 0 2000 Millennium XP W 88 mm 3 4 in Dimensions D 54 mm 2 1 in H 5 mm 0 2 in ompliance Environmental Operating temperature 0 to 60 C Specifications Operating humidity 5 95 noncondensing
15. etwork Mode Ad hoc mode offers higher data throughput than 802 11a ad hoc mode but does not use beaconing or authentication Infrastructure mode the wireless node searches all available wireless channels to associate with an access point The default value for Network mode is Infrastructure 17 Shows the current channel and frequency in use The wireless channel in use will be Channel F requency betwednic and 64 Shows the current maximum transmit data rate of the wireless node The possible data rates Transmit R ate Supported are 54 Mbps 48 Mbps 36 Mbps 24 Mbps 18 Mbps 12 Mbps 9 Mbps and 6 Mbps It can go up to 72 Mbps if the turbo mode is enabled Receive Rate Shows the current receive data transfer rate of the wireless node Indicates if the WEP encryption is enabled or disabled Signal Strength Displays the signal strength of the radio frequency signal received by the wireless node 18 Wireless LAN Configuration The Configuration section of the NETGEAR HA501 802 11a Configuration Utility dialog box shows you the configuration parameters of the wireless LAN and allows you to modify them NETGEAR HASOL 802 1 Configuration Utility x 3 3 Staus Statistics Abest Infr amp siucture Mode Hoc Mode Network Hame SsID CHI Mw Turba Hoda Power Saving Home Security Enable Security Key Key Size Sharad Kev Hex 0 9 Seer ns ye ues 91 vo ue
16. ext Click Finish when informed that the driver installation is complete Click Y es when asked if you want to reboot the system The HA501 Wireless Adapter driver is now installed into your Windows 98 system Verifying Driver Installation From the Windows 98 desktop double click the My Computer icon Double click the Control Panel icon and then double click the S ystem icon Click on the Device Manager folder tab Double click Network Adapters There should be no yellow exclamation mark or red cross sign on the HA501 Wireless Adapter selection Double click HA501 Wireless Adapter The Device Status dialog box should indicate that the PC card is working properly The installation of the HA501 Wireless Adapter driver in Windows 98 is now completed Proceed to install the HA501 802 11a Configuration Utility 10 Windows Millennium Driver Software Installing Driver Software To install the NETGEAR HA501 Wireless Adapter driver for the first time in Windows Millennium l 2 4 Follow the procedure described in the hardware installation chapter to install the HA501 Wireless Adapter into your notebook system Power up the system if the Wireless Adapter was inserted with the power off Upon power up Windows Millennium automatically detects the existence of the HA501 Wireless Adapter An Add New Hardware Wizard dialog box opens and indicates that new hardware has been found Insert the HA501 Wireless Adapter Resource CD R
17. he NETGEAR HA501 Wireless Adapter driver for the first time in Windows NT 4 0 1 Follow the procedure in the hardware installation chapter to install the HA501 Wireless Adapter into your notebook system Power on the system if the Wireless Adapter was inserted with the power off From the Windows NT desktop double click the My Computer icon Double click the Control Panel icon and then double click the Network icon Click on the Adapter tab and click the Add button to continue The Select Network Adapter dialog box opens listing a number of network adapter cards Insert the HA501 Wireless Adapter Resource CD ROM into the CD ROM drive Click Have Disk 6 Inthe Insert Disk dialog box enter D in the field provided assuming that D is the driver letter for the C D ROM drive Click OK 7 TheSelect OEM Option dialog box opens listing the drivers from which to choose Select NETGEAR HA501 Wireless Adapter and click OK 8 The Resources and Properties dialog box opens Modify the IRQ or Memory Base if necessary Click OK 9 The system returns back to the Network dialog box Click Close 10 If TCP IP is enabled the system will prompt you for an IP address or use DHCP Answer accordingly 11 Click Yes when prompted if you want to reboot the system p T Verifying Driver Installation 1 Fromthe Windows NT desktop double click the My Computer icon 2 Double click the Control Panel icon and then
18. ority of notebook PCs equipped with a CardBus slot Features The key features of the HA501 Wireless Adapter are Reliable IEEE 802 11a standards based wireless technology Roaming support between access points when configured in infrastructure mode Up to 72 Mbps high speed rate in Turbo mode Wireless nodes negotiate to operate in the optimal data transfer rate In a noisy environment or when the distance between the wireless nodes is far the wireless nodes automatically fall back to operate atthe lowest transfer rate of 6 Mbps Highest level of data encryption using 152 bit Shared Key data encryption method Lower level of data encryption or no data encryption is available to simplify your network setup or to improve data transfer rate Designed for notebook PCs running Microsoft Windows 98 Me NT 4 0 2000 and XP operating systems Extensive coverage and available bandwidth with eight 8 non overlapping channels in the 5 GHz band 5 15 to 5 35 GHz Related NETGEAR IEEE 802 11a products e HE102 802 11a Wireless Access Point e HE301 802 11a PCI Wireless Adapter e HR814 802 11a Cable DSL Router CHAPTER 2 WIRELESS NETWORK FUNDAMENTALS Wireless Network Configuration Ad hoc Mode Peer to Peer Workgroup The Institute of Electrical and Electronics Engineers IEEE standard for wireless LANs WLANs 802 11 offers two methods for configuring a wireless network ad hoc and infrastructure In an ad hoc network comp
19. ration without an access point is called a Basic Service Set BSS All nodes in a BSS must use the same Basic Service Set ID BSSID In an infrastructure configuration with access points multiple BSS can be configured to form an Extended Service Set ESS In this configuration the access points are configured with the same Extended Service Set ID ESSID Wireless clients configured with the same ESSID can freely roam from one Access Point domain to another and still maintain seamless connection to the network Authentication and WEP Encryption The absence of a physical connection between nodes makes the wireless links vulnerable to information theft To provide a certain level of security IEEE 802 11 standard has defined two types of authentication methods Open System and Shared Key Open System authentication is a null algorithm Shared Key authentication is an algorithm where both the transmitting node and the receiving node share an authentication key to perform a checksum on the original message By default IEEE 802 11 wireless devices operate in an open system network Wired Equivalent P rivacy WEP data encryption is utilized when the wireless nodes or access points are configured to operate in Shared Key authentication mode There are three shared key methods implemented in Netgear s 802 11a solutions the standard based forty bit WEP data encryption and 128 bit WEP data encryption plus the extended 152 bit WEP data encryption The fo
20. rocedure The InstallShield Wizard opens Click Next to continue Click Y es in the Software License Agreement dialog box to accept the agreement InstallS hield starts copying files into your system Click Finish to complete the installation 15 SysTray Application The SysTray System Tray resides on one end of the taskbar in the Microsoft Windows desktop It displays interface icons for memory resident applications that execute in the background continuously such as the clock speaker volume and virus detection The wireless LAN configuration utility installation for the HA501 Wireless Adapter adds a configuration and status reporting utility icon in the SysTray Es HA501 Wireless Adapter S ysTray icon Once you have completed the utility installation the Windows SysTray should show the icon in different colors The table below explains the meaning of each color Icon color Ad hoc mode Infrastructure mode The wireless adapter has not initiated Either the wireless adapter is not able to link to any Red communication with any other access point or the link between the wireless wireless node adapter and the access point 15 lost The link condition between the wireless adapter and the associated access point is weak The wireless adapter has The wireless adapter has established good Green communicated successfully with communication with an access point and the signal another wireless node Is strong Do
21. rts airwave data into wired Ethernet data acting as a bridge between the wired LAN and wireless clients Connecting multiple HA501 Access Points via a wired Ethernet backbone can further extend the wireless network coverage As a mobile computing device moves out of the range of one access point It moves into the range of another As a result wireless clients can freely roam from one Access Point domain to another and still maintain seamless network connection To set up an infrastructure network operating with standard protocols do the following Set all wireless stations to connect in infrastructure mode Setall stations to use the same network name or SSID Set all wireless access points to use the same network name or ESSID Setall stations to use no WEP encryption key or an identical WEP encryption key as the one used in Access points Set up wireless channels used by individual access points It is not necessary to set channels on the stations as the stations will automatically scan through all channels for the nearest access point Service Set Identification SSID The Service Set Identification SSID is a thirty two alphanumeric character maximum string identifying the wireless local area network Some vendors refer to the SSID as network name In order for stations to communicate with each other all stations must be configured with the same SSID A wireless LAN consisting of nodes operating in ad hoc configu
22. rty bit WEP data encryption method allows for a five character forty bit input Additionally 24 factory set bits are added to the forty bit input to generate a 64 bit encryption key The 24 factory set bits are not user configurable This encryption key will be used to encrypt decrypt all data transmitted via the wireless interface Some vendors may refer to the forty bit WEP data encryption as 64 bit WEP data encryption since the actual encryption key used in the encryption process is 64 bits wide The 128 bit WEP data encryption method consists of 104 configurable bits and the 152 bit WEP data encryption method consists of 128 configurable bits Similar to the forty bit WEP data encryption method the remaining 24 bits are factory set and not user configurable of EncryptionKey Size Hexadecimal Diaits Example of Hexadecimal Key Content 64 bit 10 4C72F08AE1 24 40 128 bit 26 4C72F 08AE19D57A3FF6B 260037 24 104 152 bit 4C72F08AE 19D57A3F F6B26003715DAC2 244 1280 Wireless Channel Selection IEEE 802 11a utilizes 300 MHz of bandwidth in the 5 GHz Unlicensed National Information Infrastructure U NII band Though the lower 200 MHz is physically contiguous the FCC has divided the total 300 MHz into three distinct domains each with a different legal maximum power output U NII Band Low Middle High Frequency GHz 5 15 5 25 5 25 5 35 5 725 5 825 Max Power Output 250 mW Note The high band is not supported in HA5
23. s w CEeyt Te The table below describes the information displayed in the Configuration section of the NETGEAR 501 802 11a Configuration Utility dialog box Configuration Description Configurable between ad hoc and infrastructure modes In 802 11 ad hoc mode the wireless nodes form their own local network where the end Network nodes communicate peer to peer without an access point In infrastructure mode the wireless node searches all available wireless channels to associate with an access point Enter a 32 character maximum service set ID in this field the characters are case sensitive When the wireless node is operating in ad hoc mode this field operates as the basic Network Name service set ID BSSID All wireless nodes in the same network should use the same SSID BSSID When in infrastructure mode this field defines the extended service set ID ESSID The ESSID assigned to the wireless node is required to match the access point ESSID in order for the wireless node to communicate with the access point Made E turbo mode allows the wireless node to transmit or receive ata higher rate up to 19 Supports optional power management to conserve battery life in Infrastructure mode The three possible settings are off normal and maximum The HA501 wakes up every 10 beacon interval to listen to the normal mode but wakes up every 100 beacon interval in the maximum power s
24. sausseecccceccuausseeececcaaacseececeseuaaaceesess 14 CHAPTER o WIRELESS LENCONFIGURA TION asacacatudeaccusasucncucadesacaduencesdduduascecetucassecdusccsduswenedeatuaedesusesacaeoieese 15 WIRELESS ADAPTER CONFIGURATION UTILITY ccccccceccccccscccccsscccccscceccesccecacsccccaccccuenecesascecsansceusecees 15 CHAPTER B TRDOUELESHDETBES iisiscicszus etusk cct aaan ES esvRe vel ee vwe PS Uva easy iSe TOS 22 BIER FIO EFCETRRRRRRR 23 CHAPTER 1 INTRODUCTION Congratulations on your purchase of NETGEAR s HA501 802 11a Wireless 32 bit CardBus Adapter which gives you the ultimate in office mobility This high speed wireless device lets you quickly network multiple P Cs together without laying any new cabling and gives users the freedom to roam throughout the workplace and stay connected to corporate resources e mail and the intranet It provides built in capacity and flexibility for growing networks so it s easy to add new clients and or move your entire network to a new office site Equipped with auto sensing capability it allows packet transfer at up to 54 Mbps for maximum throughput or speed reduction to the lower 6 Mbps speed for distance or for operating in a noisy environment Benefits Blazing speeds up to 54 Mbps 72 Mbps in turbo mode Ultra reliable standards based IEEE 802 11a wireless LAN networking Free from interference it coexists with IEEE 802 11b and Bluetooth devices Supports the vast maj
25. to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation NETGEAR Modal HASO Wires C ta Camph with FOC Standards FOR HOME OR OFFICE USE gt Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the 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 TV technician for help Federal Communications Commission FCC Radiation Exposure Statement This equipm
26. uble clicking the wireless adapter S ysTray icon activates the wireless LAN configuration utility for the HA501 Wireless Adapter You can click on any of the folder tabs in the NETGEAR HA501 802 11a Configuration Utility dialog box to view current status or modify the operational parameters 16 Wireless LAN Status The Status section of the NETGEAR HA501 802 11a Configuration Utility dialog box shows you the current condition of the wireless LAN NETGEAR HAZDI B02 11a Configuration utility x Stetus Statistics K NETGEAR NETGEAR Wireless LAN Confsgur ation Utility General Signal Strength Connect to CAT AP MAC Address 00 03 7 0 00 27 100 Network Mode Infrastructure Channel Freguency 42 521 Transmit ate 48 Mbps Receive 8 Mbps nt WEP Enabled The table below describes the information displayed in the Status section of the dialog box Status Description Connect to Displays the association of the access point or other wireless node in ad hoc mode AP MAC Address Shows the MAC address of the associated access point when the HA501 Wireless Adapter Is configured in infrastructure mode Indicates the configuration mode used 802 11a ad hoc mode ad hoc mode or infrastructure mode 802 11a ad hoc mode the wireless nodes form their own local network where the end nodes communicate peer to peer without an access point N
27. uters are brought together as needed thus there is no structure or fixed points to the network each node can generally communicate with any other node There is no access point involved in this configuration It enables you to quickly set up a small wireless workgroup and allows workgroup members to exchange data or share printers as supported by Microsoft Networking in the various Windows operating systems Some vendors also refer to ad hoc networking as peer to peer workgroup networking In this configuration network packets are directly sent and received by the intended transmitting and receiving stations As long as the stations are within range of one another this is the easiest and least expensive way to set up a wireless network To setup an ad hoc workgroup operating with standard protocols do the following stations to connect in Ad hoc mode or Peer to Peer workgroup mode e Setallstations to use the same network name or SSID stations to use no WEP encryption key or an identical WEP encryption key e stations to use the same wireless channel for communication Infrastructure Mode With a wireless access point you can put the wireless LAN into the infrastructure mode It provides wireless connectivity to multiple wireless network devices within a fixed range or area of coverage interacting with a wireless node via an antenna In the infrastructure mode the wireless access point conve
Download Pdf Manuals
Related Search