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LAN-Express IEEE 802.11 Wireless Adapter User Guide 

============================================================  

Chapter 5 Troubleshooting

  

57 

                                                  

Chapter 5 Troubleshooting 

The LAN-Express 802.11 Wireless Adapter is designed to be very easy to install and 

operate. However, if you experience any difficulties, use the information in this chapter to 

help diagnose and solve the problem.  

5-1 Common Installation Problems 

Chapter 2 

Installation describes how to install an LAN-Express IEEE 802.11 Wireless 

Adapter in a computer running Windows 98 Second Edition (SE), Windows Millennium 

Edition (ME), Windows 2000, or Windows XP. This section provides suggestions to 

resolve some of the common installation problems with a LAN-Express 802.11 Wireless 

Adapter. 

5-1-1 Card Not Installed Properly 

If Windows Networking reports that the LAN-Express IEEE 802.11 Wireless Adapter has 

not been properly installed or configured after you have completed the Installation 

program, open the

 

Device Manager (found within the Control Panel’s System icon) and 

locate the card’s entry in the Network adapters category. If a yellow exclamation point 

(“!”) appears next to the card’s Device Manager entry, then the card is not working 

properly. Follow these steps: 

Содержание T60N865

Страница 1: ...L LA AN N E Ex xp pr re es ss s I IE EE EE E 8 80 02 2 1 11 1 W Wi ir re el le es ss s A Ad da ap pt te er r User Guide T60N865...

Страница 2: ...aiwan All rights reserved This user guide and the software described in it are copyrighted with all rights reserved No part of this publication may be reproduced transmitted transcribed stored in a re...

Страница 3: ...TALLATION CD REQUIREMENT 9 2 3 WIRELESS CLIENT UTILITY INSTALLATION 9 2 4 UNINSTALLING AN LAN EXPRESS IEEE 802 11 WIRELESS ADAPTER 16 CHAPTER 3 WIRELESS TOPOLOGIES 19 3 1 PEER TO PEER GROUP 19 3 2 ACC...

Страница 4: ...APPENDIX A SPECIFICATIONS 62 A 1 GENERAL 62 A 2 NETWORK INFORMATION 62 A 3 RADIO SPECIFICATION FOR 802 11B MODE 63 A 4 RADIO SPECIFICATION FOR 802 11G MODE 63 A 5 ENVIRONMENTAL RESTRICTIONS 64 A 6 PH...

Страница 5: ...Ethernet network The LAN Express IEEE 802 11 Wireless Adapter supports Windows XP Windows 2000 Windows Millennium Edition ME and Windows 98 A wireless LAN provides the same functionality of a wired n...

Страница 6: ...comply with the 802 11 standard operate at a data rate of either 1 or 2 Mbps 802 11b In 1999 the IEEE modified the 802 11 standard to support direct sequence devices that can operate at speeds of up t...

Страница 7: ...can limit wireless capacity and scalability An 802 11a device and an 11b g device cannot communicate with each other The Wi Fi standard certified at 2 4 GHz ensures the wireless interoperability with...

Страница 8: ...apter refer to 4 7 Configuring Your Wireless Networking Settings with Windows XP for more details This Windows XP feature will be automatically disabled if you install the Wireless LAN Client utility...

Страница 9: ...n as Windows Cabinet or CAB files The Cabinet files are commonly located in C WINDOWS OPTIONS INSTALL or C WINDOWS OPTIONS CABS Windows 98 ME users may need the Windows CD or Cabinet files to complete...

Страница 10: ...TUP EXE from the Installation CD to launch the program if the Installation program does not launch automatically 4 Click Next on the Software Setup Welcome dialog box as shown in Figure 2 1 Figure 2 1...

Страница 11: ...Agreement for the Installation of the LAN Express IEEE 802 11 Wireless Adapter 6 Choose a destination location for the LAN Express IEEE 802 11 Wireless Adapter installation files You may use the defau...

Страница 12: ...IEEE 802 11 Wireless Adapter User Guide Chapter 2 Installation 12 Figure 2 3 Choose Destination for Installation 7 Be patient while the software is installed on your computer Figure 2 4 Software Setup...

Страница 13: ...n the Windows Taskbar 9 Per the specific interface of the LAN Express IEEE 802 11 Wireless Adapter Insert it into your laptop s PC card slot or 10 If the wireless adapter you purchased is a PCI Card i...

Страница 14: ...LAN Express IEEE 802 11 Wireless Adapter User Guide Chapter 2 Installation 14...

Страница 15: ...into place Reconnect the cabling and restart your computer If prompted follow any on screen instructions to complete the installation The Wireless Client should now be successfully installed If you ha...

Страница 16: ...ies 2 4 Uninstalling an LAN Express IEEE 802 11 Wireless Adapter Follow the images and steps shown below in case you need to uninstall the card Access the Control Panel from the Start menu Click the A...

Страница 17: ...E 802 11 Wireless Adapter Select Remove and then click the Next button to perform the un installation When prompted click OK to remove the Wireless Client Utility Figure 2 9 Un installation Confirmati...

Страница 18: ...Wireless Adapter User Guide Chapter 3 Wireless Topologies 18 Figure 2 11 Un installation in process When prompted click Finish to complete the un Installation procedure Figure 2 12 Un installation an...

Страница 19: ...igurations to determine which mode is best for you 3 1 Peer to Peer Group A Peer to Peer group also known as an Ad Hoc network is the simplest to deploy and is ideal for small offices Peer to Peer Gro...

Страница 20: ...s Adapter can communicate with an 802 11b or 802 11g Peer to Peer Group but it can not dynamically switch between the two Therefore you must manually configure the wireless adapter to use one specific...

Страница 21: ...l wireless data transactions Additionally the wireless Infrastructure can provide access to an existing wired LAN This link allows computers on the wireless LAN to access the other wired LAN s resourc...

Страница 22: ...Wireless Adapter supports both roaming between APs of the same type for example from one 802 11b AP to another and roaming between APs of different types for example from an 802 11b AP to an 802 11g A...

Страница 23: ...led must use either a Network Name of any or the same Network Name as the Access Points that they will roam between All Access Points and LAN Express IEEE 802 11 Wireless Adapter must have the same se...

Страница 24: ...IEEE 802 11 Wireless Adapter using Windows XP Zero Configuration 4 1 Wireless Client Utility icon The Wireless Client Utility icon will appear in the Windows Taskbar also known as the System Tray eac...

Страница 25: ...of Wireless Client Utility Icon 4 2 Current Status Tab The current status tab shown in Figure 4 3 displays the following information about your wireless connection Profile Name The current name of th...

Страница 26: ...ion regarding your wireless connection Transmit Power Level Provides current setting of Radio output power Network Name SSID The wireless network name SSID that the device is currently connected with...

Страница 27: ...atch the appropriate settings of a unique wireless network The Profile box lists all the configured profiles The Details dialog describes the basic settings SSID Network Type Security Mode of the high...

Страница 28: ...to view a list of all available wireless networks that is within range of the LAN Express IEEE 802 11 Wireless Adapter Each wireless network entry displays the network s SSID encryption settings sign...

Страница 29: ...odify button The Network Configuration Settings dialog box appears as shown in Figure 4 7 In the Profile Name box enter a unique name that describes the profile or the wireless network you want the wi...

Страница 30: ...r Guide Chapter 4 Wireless Client Utility Configuration 30 Figure 4 7 Network Configuration Settings Click the Security tab to manage the security settings associated with this profile Figure 4 8 Esta...

Страница 31: ...he Wireless LAN network Refer to Figure 4 9 for an example Select the appropriate security mode WPA Wi Fi Protected Access mode allows for the authentication and interoperability with enterprise class...

Страница 32: ...Configuration 32 None Use this mode when there is no authentication or encryption enabled on the Wireless LAN network Figure 4 9 Security Setting under Profile Management Mode Setting Pre Shared Keys...

Страница 33: ...point for this particular device This allows for data only for this device to be encrypted by its own unique key If this key is used one of the shared keys must also be defined for multicast messages...

Страница 34: ...y patch called Windows XP Support Patch for Wireless Protected Access on its website for free download and it works only with Windows XP The WPA encryption is supported on Windows XP Professional and...

Страница 35: ...ine with a PassPhase The Define WPA PSK screen appears as shown in Figure 4 12 Enter your passphrase text strings to complete the configuration process For WPA Passphrase input the ASCII based secret...

Страница 36: ...de You can select TLS or PEAP from the drop down menu WPA EAP Type if you wish to enable the WPA function or select TLS PEAP or LEAP from the 802 1x EAP Type with no WPA function enabled The LEAP mode...

Страница 37: ...Wireless Client Utility Configuration 37 Figure 4 14 Define Certificate for PEAP Mode Click Advanced Configuration to define the specific server or domain name as shown in Figure 4 15 Figure 4 15 Defi...

Страница 38: ...igure 4 16 Figure 4 16 Dynamic Security with TLS Authentication Define Certificate The Define Certificate dialog screen appears after you click the Configure button The field name Select a Certificate...

Страница 39: ...ation half of the EAP TLS authentication process Certificate Authority This field allows the Client Utility to verify the authentication server s certificate If you accept any certificate click the Us...

Страница 40: ...mitted to the authentication server for informational purposes only It allows the server s authentication log file to include your account information LEAP Mode Select LEAP from the drop down menu to...

Страница 41: ...LAN Express IEEE 802 11 Wireless Adapter Note Setting Power Save Mode to enabled Normal or Maximum may cause the user to experience an extended connection delay of up to one minute Network Type allows...

Страница 42: ...lue except 100 will decrease the range of your LAN Express IEEE 802 11 Wireless Adapter However operation at the higher power levels increases power consumption and the likelihood of interference betw...

Страница 43: ...LAN Express IEEE 802 11 Wireless Adapter User Guide Chapter 4 Wireless Client Utility Configuration 43...

Страница 44: ...etting The Wireless Mode When Starting Ad Hoc Network setting allows the user to determine the type of ad hoc network to be started Note that this setting will only take effect if there are no other a...

Страница 45: ...LAN Express IEEE 802 11 Wireless Adapter User Guide Chapter 4 Wireless Client Utility Configuration 45 Figure 4 22 Transmit and Receive Statistics Figure 4 23 Driver Information...

Страница 46: ...Utility Configuration 46 Figure 4 24 Detailed Date Shown under Wireless Advanced Statistics Mode 4 5 Action Menu The Action menu enables and disables both the wireless radio and or system tray icon F...

Страница 47: ...rently OFF Disabled and the Enable Radio selection will turn ON the Radio of the wireless device Disable Radio The Radio is currently ON Enabled and the Disable Radio selection will turn OFF the Radio...

Страница 48: ...XP click Start Control Panel Network Connections 2 Right click on Wireless Network Connection and select Properties 3 Clicking on the Wireless Networks tab will display the following screen Ensure the...

Страница 49: ...has to be identical to the Access Point that you set up 7 For Home or Small Business User enter your encryption key in the Network Key box It can be from eight to 63 characters and can be letters numb...

Страница 50: ...er the PEAP mode that matches your specific environment LEAP is an exclusive authentication mode with Cisco and is not provided by Microsoft 1 Click the Authentication tab Select Smart Card or other C...

Страница 51: ...Certification to Your Computer Contact your network administrator for assistance if you do not have a certificate installed on your computer or do not know which one to use Here is an example of loadi...

Страница 52: ...LAN Express IEEE 802 11 Wireless Adapter User Guide Chapter 4 Wireless Client Utility Configuration 52 2 When the Request a Certificate screen appears click on the User Certificate to continue...

Страница 53: ...Adapter User Guide Chapter 4 Wireless Client Utility Configuration 53 3 Select a Cryptographic Service Provider that matches the settings in your computer 4 Wait for the Microsoft Certificate Services...

Страница 54: ...he Windows XP operating system has a built in feature known as Wireless Zero Configuration which has the capability to configure and control this Wireless LAN device Follow the steps below to configur...

Страница 55: ...ter 4 7 1 Advanced Wireless Settings The LAN Express IEEE 802 11 Wireless Adapter has several advanced settings which may need to be configured depending on your wireless network It is recommended tha...

Страница 56: ...anel 2 Click Network and Internet Connections 3 Click Network Connections 4 Right click the connection for your LAN Express IEEE 802 11 Wireless Adapter and select Properties 5 From the General tab cl...

Страница 57: ...cond Edition SE Windows Millennium Edition ME Windows 2000 or Windows XP This section provides suggestions to resolve some of the common installation problems with a LAN Express 802 11 Wireless Adapte...

Страница 58: ...00 Follow these steps to configure the card s networking clients and protocols in a Windows XP or 2000 computer Open the Control Panel s Network and Dial up Connections Windows 2000 or Network Connect...

Страница 59: ...ons 5 3 Range Every environment is unique with different obstacles barriers materials etc and therefore it is difficult to determine the exact range that will be achieved without testing Radio signals...

Страница 60: ...hort distance away Proper antenna placement can help improve range Here are some guidelines Try to keep the card s antennas free of obstructions particularly metal objects and do not place a sheet of...

Страница 61: ...the LEDs blink at a faster rate the LEDs will blink in unison more often as the card s Transmit or Receive Rate increases 5 The activity LED turns off when the radio is disabled 6 After installing th...

Страница 62: ...rable with IEEE 802 11b and 802 11g compliant products in 802 11b and 802 11g mode LED Indicators Two 2 LEDs indicate Power On Sleep Mode Transmit Activity Association and Power Off A 2 Network Inform...

Страница 63: ...Modulation CCK QPSK BPSK Nominal Output Power 18 dBm Channels Varies by country A 4 Radio Specification for 802 11g Mode Media Access Protocol IEEE 802 11b DSSS Direct Sequence Spread Spectrum IEEE 8...

Страница 64: ...res Bus Interface 32 bit CardBus PCB 4 layer design WLAN Atheros 5001X solution Antenna Dual diversity antennas Voltage 3 3 VDC Weight 45 grams Dimension 54mm x 114 5mm x 5mm A 7 Power Consumption Doz...

Страница 65: ...LAN Express IEEE 802 11 Wireless Adapter User Guide Appendix A Specifications 65 vary according to individual country regulations 100 50 25 12 5 Lowest...

Страница 66: ...nterference received including interference that may cause undesired operation FCC RF Safety Requirement The radiated output power is far below the FCC radio frequency exposure limits Any change or mo...

Страница 67: ...r 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 t...

Страница 68: ...on from one central location to another central location The information is then off loaded onto a local system BSS Basic Service Set An Access Point associated with several wireless stations ESS Exte...

Страница 69: ...cting to the infrastructure SSID Service Set Identifier SSID is the network name used by the Wireless LAN The length of the SSID information is between 0 and 32 octets WEP Wired Equivalent Privacy is...

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