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54Mbps 802.11g Wireless LAN Card

4

Roaming

Multiple Access Points can be installed to extend the wireless service coverage area for seamless wireless access. Within an extended service area, all
Access Points and wireless clients must have the same Service Set Identity (SSID). Roaming among different Access Points is controlled automatically
to maintain the wireless connectivity at all times.

Figure 1-3 Roaming Across Multiple Access Points

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Summary of Contents for WLH3015

Page 1: ...54Mbps 802 11g Wireless LAN Card WLH3015 WLH3016 User s Manual ...

Page 2: ...without the express written permission of the seller The seller provides this documentation without warranty term or condition of any kind The seller may make improvements or changes in the product s and or the program s described in this documentation at any time Other product and company names herein may be trademarks of their respective owners 2002 All rights reserved Rev 01 January 2003 ...

Page 3: ...dcom Utility under Windows XP 10 Wireless Networks Tab 12 Connecting to an Existing Wireless Network 12 Configuring a New Wireless Network Connection 13 Configuring an Existing Wireless Network Connection 15 Specifying a Network Type to Access 16 Link Status Tab 16 Statistics 19 Site Monitor 20 Advanced Site Monitor 22 Diagnostics Tab 24 Information Tab 26 Chapter 4 Windows XP Wireless Zero Config...

Page 4: ...t 36 Appendix A Limited Warranty 39 Wireless LAN Hardware 39 Wireless LAN Software 40 Appendix B Regulatory Compliance 41 FCC Part 15 Declaration of Conformity DoC 41 FCC Rules and Regulations Part 15 42 FCC Radiation Exposure Statement 42 Appendix C Setting Up TCP IP 44 For Windows 98 ME 44 For Windows 2000 XP 45 Appendix D Specifications 49 Glossary 51 ...

Page 5: ...on Utility Connect to Wireless Network 27 Figure 3 14 Windows XP Connection Status 29 Figure 3 15 Windows XP Connection Properties General 30 Figure 3 16 Windows XP Connection Properties Wireless Networks 31 Figure 3 17 Windows XP Add Preferred Networks 31 Figure 3 18 Windows XP Configuration Utility Set up Network to Aceess 32 Figure 3 19 Windows XP Connection Properties Authentication 33 ...

Page 6: ...Wireless LAN Card is used to indicate both types Also the following terms abbreviations are used interchangeably Access Point AP Peer to Peer Ad Hoc Wireless LAN WLAN Ethernet network LAN network This User s Manual contains information on how to install and configure your Wireless LAN Card From now on we will guide you through the correct configuration steps to get your device up and run ...

Page 7: ...sting Wi Fi devices It allows your computer to connect to a wireless network and to share resources such as files or printers without being bound to the network wires Operating in 2 4GHz Direct Sequence Spread Spectrum DSSS radio transmission the Wireless LAN Card transfers data at speeds up to 54Mbps Both Ad Hoc and Infrastructure mode are supported For network security concern 64 128 bit Wired E...

Page 8: ...uter around while staying connected to your network There are two ways to use the Wireless LAN Card One way is to connect directly to one or more Wireless LAN Card equipped computers forming an Ad Hoc wireless network The second way is to connect to an Access Point that gives you access to an existing wired LAN forming an Infrastructure wireless network Ad Hoc Mode The Ad Hoc Group offers peer to ...

Page 9: ...everal APs as a gateway linking the wireless network to a wired LAN As a result portable workstations or desktops on your wireless network have access to all of the features of your wired LAN including e mail Internet access network printers and files server Figure 1 2 Infrastructure Mode ...

Page 10: ...rage area for seamless wireless access Within an extended service area all Access Points and wireless clients must have the same Service Set Identity SSID Roaming among different Access Points is controlled automatically to maintain the wireless connectivity at all times Figure 1 3 Roaming Across Multiple Access Points ...

Page 11: ...t computer while the utility software Broadcom Wireless Configuration Utility is to help you configure and monitor your Wireless LAN Card System Requirements To use the Wireless LAN Card your computer must meet the following minimum requirements Pentium class PC 300MHz or better recommended 64 MB of RAM additional memory recommended Hard disk space at least 30 Mbytes Windows 98 SE Me 2000 XP UL li...

Page 12: ...ion will detect the wireless adapter and issue a dialog box requesting for its driver Click Cancel to quit the wizard and unplug the Wireless LAN Card 1 Close all Windows programs that are running Insert the provided Software Utility CD into your CD ROM drive Run setup exe from the Driver folder of the Software Utility CD 2 If the wireless adapter is not yet inserted into your computer click Yes O...

Page 13: ...Click Finish when the following screen appears Now you are done with the installation procedure The provided Broadcom Wireless Configuration Utility should be launched automatically with its icon appearing on the right side of the taskbar Proceed to next chapter to configure or fine tune your Wireless LAN Card settings Note If you need to set up the TCP IP address or the subnet mask refer to Appen...

Page 14: ......

Page 15: ... to monitor available networks The Diagnostic tab allows to perform diagnostics The utility information is displayed on the Information tab The Statistics tab displays the statistics and status information pertaining to your Wireless LAN Card See the ensuing subsections for instructions to launch the utility and description of each tab Note If you are using Windows XP you can also use the Windows ...

Page 16: ...k configuration Windows XP includes a Wireless Network Connection utility to configure your wireless adapter By default your wireless adapter is controlled by Windows XP included wireless utility You can choose to configure your wireless network via either the Broadcom Wireless Configuration Utility or Windows XP included wireless utility Using Broadcom Wireless Configuration Utility To use Broadc...

Page 17: ...revert back to using Windows XP included wireless utility double click the Windows wireless icon not the Boradcom icon and then click Advanced or Properties Click the Wireless Networks tab and check the Use Windows to configure my wireless network settings box and click OK ...

Page 18: ...ouble click the Broadcom Wireless Utility icon on the system tray 2 When the Connect to Wireless Network window pops up you will see all the wireless networks available in the air Under Available networks select the wireless network you want to connect to 3 If the target wireless network has been set with WEP key you must enter the same WEP key in the Network key field Otherwise this field is dimm...

Page 19: ...figure the settings below Network name SSID Specifies the name of the Wireless LAN group you want to participate in Network Authentication Shared mode Specifies the authentication type You should use the same setting as the other wireless stations in your target wireless network Wireless network key WEP If a network key is required do the following If the WEP key is automatically provided for exam...

Page 20: ...unsure about the WEP setting Ad Hoc Infrastructure Network If the network you are configuring is an Ad Hoc network check This is a computer to computer ad hoc network check box Otherwise leave it unchecked for Infrastructure network connection 3 After entering required fields click OK to exit this window Your newly configured network will be added under Preferred networks Your wireless adapter wil...

Page 21: ...he Available networks or Preferred networks list but you cannot connect to it you may want to review or reconfigure the settings If this is the case just select your target network and then click Configure for Available networks or Properties for Preferred networks to open the properties window Then configure the settings as needed ...

Page 22: ...ks are available In this case you can select the Computer to computer ad hoc networks only option Note that if your preferred network is limited to Access Point or Ad Hoc network the Preferred networks section on Wireless Networks tab will list only the networks of your preference If you try to add a new network of non preferred type the addition will not appear in the list unless you change the p...

Page 23: ...ays the channel the station is using Client IP Address Displays the IP address of your wireless adapter Network Connection Type Displays if the adapter is connected to an Access Point or Ad Hoc network Radio State Displays whether the RF Signal is enabled or disabled Signal Displays the signal strength dBm On the right side signal strength is indicated by graphic Noise Displays the noise level dBm...

Page 24: ...54Mbps 802 11g Wireless LAN Card 18 ...

Page 25: ...b displays the current and accumulated statistics information pertaining to your Wireless LAN Card The following transmit and receive statistics are provided Packets Sent Packets received Packets lost Total packets sent Total packets received ...

Page 26: ...age or that suffer from interference by other wireless equipment such as microwave ovens The Visible Networks list will update automatically to display all visible networks Optionally you can click Freeze to temporarily stop the update of the list To display only the Ad Hoc network check the Ad hoc networks only checkbox For each network the following information will be displayed Field Descriptio...

Page 27: ...Chapter 3 21 ...

Page 28: ...se Ratio SNR is the primary diagnostic counter to diagnose wireless performance SNR indicates the relative strength of the received Signal Level compared to the Local Noise Level In most environments SNR is a good indicator for the quality of the radio link between transmitter and receiver A higher SNR value means a better quality radio link Both dBm value and graphic indicator are displayed Suppo...

Page 29: ...Chapter 3 23 ...

Page 30: ...ay not work properly SPROM Format Validation This test verifies the content of the SPROM by reading a portion of the SPROM and computing the checksum The test fails if the computed checksum is different than the checksum stored in the SPROM Memory Tests This tests verifies that the network controller internal memory is functioning properly The test writes patterned values to the memory and reading...

Page 31: ...Chapter 3 25 ...

Page 32: ...54Mbps 802 11g Wireless LAN Card 26 Information Tab The Information tab displays the basic information about the device including the hardware and software details ...

Page 33: ...e information please refer to Windows XP on line help Connecting to an Access Point or Wireless LAN Card To connect to an existing Access Point Wireless LAN Card take out the following steps 1 Right click the Wireless Connection icon on the system tray and select View Available Wireless Networks from the context menu Note Depending on whether your wireless network is established the context menu m...

Page 34: ...54Mbps 802 11g Wireless LAN Card 28 3 If the target Access Point Wireless LAN Card has been set with WEP key you must enter the same WEP key in the Network key field Otherwise leave it blank ...

Page 35: ... you successfully connect to the Access Point or Wireless LAN Card double click the icon in the system tray again This will open the Wireless Network Connection Status window where you can see the general data of the Wireless LAN Card such as Status Duration Speed Signal Strength etc Figure 3 5 Windows XP Connection Status Configuring Your Wireless Properties To configure your wireless properties ...

Page 36: ...work administrator For more information on TCP IP setting please refer to Appendix C Setting Up TCP IP on page 44 Figure 3 6 Windows XP Connection Properties General Wireless Networks This tab contains two sections Available networks and Preferred networks described as below Under Available networks section you can also see all the Access Points and Wireless LAN Cards available in the air Clicking...

Page 37: ...perties window pops up Type your network name SSID and if needed the wireless network WEP settings Once the Access Point or Wireless LAN Card that you want to connect to has been set with WEP key you must type the same WEP key as the Access Point s or Wireless LAN Card s Figure 3 8 Windows XP Add Preferred Networks After you add several profiles into Preferred networks you can change the order in ...

Page 38: ...igher connection attempt priority Once you finish the advanced setting your wireless station will then connect to your desired network and the connected network will be listed under Available networks Figure 3 9 Windows XP Configuration Utility Set up Network to Aceess Authentication This tab allows you to configure the authentication settings of your Wireless LAN Card The most important setting f...

Page 39: ...ws XP Wireless Zero Configuration Utility 33 Figure 3 10 Windows XP Connection Properties Authentication Make sure to clear the Enable network access control using IEEE802 1X check box to ensure successful connection ...

Page 40: ...tween the wireless computers and the device causing the radio interference Plug the computer equipped with the Wireless LAN Card into an outlet on a different branch circuit from that used by the affecting device Consult the dealer or an experienced radio technician for help Keep the computer with the Wireless LAN Card away from the microwave oven and large metal objects ...

Page 41: ...in check box is not selected in the Client for Microsoft Networks Properties dialog box in the Network Configuration tab Incorrect IP Address or Subnet Mask Check these settings in the TCP IP Properties dialog box in the Network Configuration tab Poor Link Quality If the Link Quality display stays in the Poor range it could be due to one of the following reasons Radio interference Distance between...

Page 42: ...sole obligation under this express warranty shall be at the seller s option and expense to repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or if neither of the two foregoing options is reasonably available The seller may in its sole discretion refund to the Customer the purchase price paid for the defective product All products t...

Page 43: ...pplicable seller published specifications Customer assumes responsibility for the selection of the appropriate application programs and associated reference materials The seller makes no warranty or representation that its software products will meet Customer s requirements or work in combination with any hardware or software applications products provided by third parties that the operation of th...

Page 44: ... Wireless LAN Card is herewith confirmed to comply with the requirements of FCC Part 15 rules The operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation ...

Page 45: ... television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures Relocate your WLAN equipped laptop computer Increase the separation between the WLAN equipped laptop computer and other electronics Connect the WLAN equipped laptop computer into an outlet on a circuit different from t...

Page 46: ...his device must accept any interference including interference that may cause undesired operation of the device This device has been designed to operate with an antenna having a maximum gain of 2 dBi Antenna having a higher gain is strictly prohibited per regulations of Industry Canada The required antenna impedance is 50 ohms ...

Page 47: ...he Configuration tab of the Network dialog box 3 In the network components list select the TCP IP protocol of your Wireless LAN Card e g TCP IP Broadcom 802 11g Network Adapter and then click Properties 4 On the IP Address tab choose one of the methods as required Option A Click Specify an IP address In the IP Address box enter a valid four component IP address either a public or private one as re...

Page 48: ...TCP IP properties have been modified you will be prompted to restart your computer Click Yes to have new settings take effect For Windows 2000 XP 1 Double click Network Dial up Connections Windows 2000 or Network Connections Windows XP on Control Panel 2 Right click the Local Area Connection icon corresponding to your wireless adapter e g Broadcom 802 11g Network Adapter and click Properties ...

Page 49: ...A Use fixed IP address Enable the Use the following IP Address option Enter the IP address Subnet Mask and Default gateway Then click OK Option B Use dynamic IP address Select Obtain an IP address automatically 4 Close the Local Area Connection Properties window For Windows 2000 if prompted click Yes to restart your computer ...

Page 50: ...Technology OFDM DSSS Data Rate 802 11b 11 5 5 2 1 Mbps 802 11g 125 108 54 48 36 24 18 12 9 6 Mbps Support afterburner Network Architectures Infrastructure and Ad Hoc Operating Frequencies 2412 2462MHz for North America 2412 2472MHz for Europe Operating Channels 802 11b 11 for North America 14 for Japan 13 for Europe ETSI 802 11g 11 for North America 13 for Europe ETSI 13 for Japan RF Output Power ...

Page 51: ...ing CCM and OCB 802 1x SSN Delay Tolerance 802 11b Multipath R M S Delay Spread 1 FER 11 Mbps 250 nsec 5 5 Mbps 300 nsec Client Utility Automatic location profile site monitor current link status and diagnostics Software Support Microsoft WHQL certified for Windows XP 2000 and ME Linux and VxWorks embedded drivers LED Indicators WLAN Activity Monitor WLAN Radio Status Indicators Switch Manual radi...

Page 52: ... Basic Service Sets BSSs and integrated Local Area Networks LANs can be configured as an Extended Service Set Ethernet The most widely used medium access method which is defined by the IEEE 802 3 standard Ethernet is normally a shared media LAN i e all the devices on the network segment share total bandwidth Ethernet networks operate at 10Mbps using CSMA CD to run over 10BaseT cables Gateway A net...

Page 53: ...rhood IP Internet Protocol The standard protocol within TCP IP that defines the basic unit of information passed across an Internet connection by breaking down data messages into packets routing and transporting the packets over network connections then reassembling the packets at their destination IP corresponds to the network layer in the ISO OSI model ...

Page 54: ...arger ones also offer private line hookups T1 fractional T1 etc LAN Local Area Network A communications network that serves users within a defined geographical area The benefits include the sharing of Internet access files and equipment such as printers and storage devices Special network cabling 10BaseT is often used to connect the PCs together NAT Network Address Translation The translation of a...

Page 55: ...our LAN or communicates outside of your LAN where it is routed out to the rest of the Internet A Subnet Mask that has the same first three components for example 255 255 255 0 is the routing pattern for a Class C address TCP Transmission Control Protocol The standard transport level protocol that provides the full duplex stream service on which many applications protocols depend TCP allows a proce...

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