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Chapter 1 Introduction

5

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 CGV2W

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

Page 2: ...ithout 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 a...

Page 3: ...reless LAN Card 7 System Requirements 7 Installing Wireless LAN Driver and Software 8 Chapter 3 Using Broadcom Wireless Configuration Utility 11 Accessing Broadcom Wireless Configuration Utility 12 No...

Page 4: ...Wireless Zero Configuration Utility 37 Connecting to an Access Point or Wireless LAN Card 37 Viewing Wireless Connection Status 39 Configuring Your Wireless Properties 40 Chapter 7 Troubleshooting 47...

Page 5: ...Declaration of Conformity DoC 53 FCC Rules and Regulations Part 15 54 FCC Radiation Exposure Statement 55 Appendix C Setting Up TCP IP 57 For Windows 98 ME 57 For Windows 2000 XP 59 Appendix D Specif...

Page 6: ...Configuration Utility Connect to Wireless Network 38 Figure 3 14 Windows XP Connection Status 40 Figure 3 15 Windows XP Connection Properties General 41 Figure 3 16 Windows XP Connection Properties Wi...

Page 7: ...ard 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...

Page 8: ...54Mbps 802 11g Wireless LAN Card VI...

Page 9: ...ting 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 Sequenc...

Page 10: ...and peripheral devices such as printers The Wireless LAN Card allows you to interact with other computers without having to run cables normally associated with networks This lets you move your comput...

Page 11: ...wing communication between computers within range that have an 802 11g DSSS compatible PC card installed A wireless Ad Hoc network can also access a wired LAN s TCP IP service such as e mail and the I...

Page 12: ...or several 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 incl...

Page 13: ...rea 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...

Page 14: ......

Page 15: ...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...

Page 16: ...on 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 Inse...

Page 17: ...rd 9 3 When the welcome screen pops up click Next 4 Upon hardware detection Windows OS hardware wizard will appear requesting for the driver Just follow the on screen instructions to proceed 5 Click F...

Page 18: ...ess 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 No...

Page 19: ...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 inform...

Page 20: ...com Wireless Utility icon The Broadcom Wireless Configuration Utility screen pops up with six available tabs Wireless Network Link Status Statistics Site Monitor Diagnostics and Information Please see...

Page 21: ...e the Windows XP included wireless utility by these steps 1 Double click the Broadcom wireless icon on system tray and click the Wireless Networks tab Or double click the Windows wireless icon and the...

Page 22: ...tility To 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 a...

Page 23: ...opriate subsection according to your need Connecting to an Existing Wireless Network To connect to an existing Access Point Wireless LAN Card take the following steps 1 Double click the Broadcom Wirel...

Page 24: ...st enter the same WEP key in the Network key field Otherwise this field is dimmed and you do not need to set up the WEP key 4 Click Connect then you will join the target network and this dialog window...

Page 25: ...ot broadcast its network name will not appear under Available networks To connect to an existing network but not appear under Available networks take the following steps 1 In Connect to Wireless Netwo...

Page 26: ...adapter given to you by your network administrator check The key is provided for me automatically check box If the WEP key is not automatically provided for you leave The key is provided for me autom...

Page 27: ...r network administrator if you are 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 networ...

Page 28: ...t be moved to a higher position than an Infrastructure network If you want to connect to Ad Hoc network only see Specifying a Network Type to Access for instructions Configuring an Existing Wireless N...

Page 29: ...pted However it is possible that you want connect to certain networks only In this situation you can specify the network to access by clicking the Advanced button on the Wireless Networks tab Then sel...

Page 30: ...Link Status Tab The Link Status tab contains general information about the connection and activity of your current link The following table describes the items found on the Link Status screen Screen I...

Page 31: ...s 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...

Page 32: ...54Mbps 802 11g Wireless LAN Card 24...

Page 33: ...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...

Page 34: ...connectivity to mobile stations Roam throughout the wireless network environment with your station you will be able to identify areas that may not have adequate coverage or that suffer from interferen...

Page 35: ...Signal Strength Displays the signal strength dBm WEP Displays WEP whether is disabled enabled For a selected network the following information will be displayed Field Description Standard The IEEE 802...

Page 36: ...54Mbps 802 11g Wireless LAN Card 28...

Page 37: ...s signal as received at the Wireless LAN Card Both dBm value and graphic indicator are displayed Noise dBm Noise Level reflects the level of radio interference as measured at the Wireless LAN Card Bot...

Page 38: ...t You can sort the list of Access Points by clicking the filed you want to use as a criteria You can also create log files based on the monitor measurements on the Advanced Site Monitor screen To crea...

Page 39: ...Chapter 3 31...

Page 40: ...trol Registers This test verifies the read and write capabilities of the network controller registers by writing various values to the registers and verifying the result The device driver uses these r...

Page 41: ...rites patterned values to the memory and reading back the results The test fails if an erroneous value is read back The network controller will not function without its internal memory Loopback Test T...

Page 42: ...54Mbps 802 11g Wireless LAN Card 34...

Page 43: ...Chapter 3 35 Information Tab The Information tab displays the basic information about the device including the hardware and software details...

Page 44: ......

Page 45: ...Windows XP Wireless Zero Configuration utility This section only provides the essential instructions on using Windows XP wireless utility to get your wireless network established For more information...

Page 46: ...rk window pops up you will see all the Access Points or Wireless LAN Cards that are available in the air Select the wireless network you want to connect to Figure 3 4 Windows XP Configuration Utility...

Page 47: ...nd then click Properties Go to Authentication tab first to make sure that you use the correct authentication type for the Wireless LAN Card For more information refer to Authentication on page 45 View...

Page 48: ...the Wireless Network Connection Status window as described above and then click the Properties button This will open the Wireless Network Connection Properties window which allows you to configure mo...

Page 49: ...d with your Wireless LAN Card The network policy depends on your wireless network For TCP IP protocol you should configure its properties as instructed by your network administrator For more informati...

Page 50: ...ks 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 Refresh will update the list o...

Page 51: ...or Wireless LAN Cards to the list After you click the Add button the Wireless Network Properties window pops up Type your network name SSID and if needed the wireless network WEP settings Once the Ac...

Page 52: ...tab Figure 3 12 to open the Advanced window You can choose to connect to the following networks Any available network access point preferred Access point infrastructure Computer to computer Peer to P...

Page 53: ...most important setting for the Wireless LAN Card is to disable Enable network access control using IEEE802 1X to ensure successful connection between the Wireless LAN Cards and Access Points or other...

Page 54: ...ps 802 11g Wireless LAN Card 46 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 connect...

Page 55: ...ween 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 affec...

Page 56: ...If you cannot make a connection to another Wireless LAN Card from your computer it could be due to one of the following reasons Incorrect SSID Make sure the SSID is the same for all computers that hav...

Page 57: ...eless LAN Card and Access Point or another card Cannot Connect to Access Point If you cannot make a connection to the Access Point it could be due to one of the following reasons Make sure the Wireles...

Page 58: ...54Mbps 802 11g Wireless LAN Card 50...

Page 59: ...ole 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 defectiv...

Page 60: ...plicable seller published specifications Customer assumes responsibility for the selection of the appropriate application programs and associated reference materials The seller makes no warranty or re...

Page 61: ...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...

Page 62: ...he instruction manual 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 ha...

Page 63: ...y responsible for compliance could void the user s authority to operate this equipment This device is intended only for OEM integrators under the following conditions 1 The antenna must be installed s...

Page 64: ...bundling into Broadband product such as Wireless ADSL Wireless Router or AP Wireless Cable Modem Notebook with antenna mounted around LCD panel The final end product must be labeled in a visible area...

Page 65: ...your wireless network You should configure your TCP IP protocol as instructed by your network administrator For Windows 98 ME 1 Double click the Network icon on the Control Panel 2 Click the Configura...

Page 66: ...t Mask box enter a valid four component IP address Then select the Gateway tab and enter your gateway information Option B Select Obtain an IP address automatically Then an IP address will be automati...

Page 67: ...P 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 Bro...

Page 68: ...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 auto...

Page 69: ...Appendix C Setting Up TCP IP 61...

Page 70: ......

Page 71: ...02 11b 11 5 5 2 1 Mbps 802 11g 54 48 36 24 18 12 9 6 Mbps Network Architectures Infrastructure and Ad Hoc Operating Frequencies 2 4 2 497 GHz Operating Channels 802 11b 11 for North America 14 for Jap...

Page 72: ...b 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 certi...

Page 73: ...network composed solely of stations within mutual communication range of each other no Access Point connected BSS Basic Service Set A set of stations controlled by a single coordination function Chan...

Page 74: ...for CSMA CD based Ethernet networks or 802 5 the specification for token ring networks 802 11 defines the standard for wireless LANs encompassing three incompatible non interoperable technologies Freq...

Page 75: ...rger 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...

Page 76: ...ur 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 fo...

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