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A-2 Roaming

Ethernet

Desktop PC with ethernet

Sever

Access Point

Notebook

with

Wireless USB Adapter

Notebook

with

Wireless USB Adapter

Notebook

with

Wireless USB Adapter

Desktop PC

with

Wireless USB Adapter

BSS1

BSS2

ESS

Notebook

with

Wireless USB Adapter

Roaming

Fig. 3 Roaming in an Extended Service Set (ESS)

An Infrastructure configuration also supports roaming capability for mobile workers. More than one BSS can

be configured to be an Extended Service Set (ESS). On account of a continuous connection to the network,

users

within an ES S

can roam freely. All LAN PCs and Access Points within one ESS must be configured

with the same ESS ID and at the same radio channel.

Summary of Contents for GL2411-MU

Page 1: ...W WI IR RE EL LE ES SS S M Mi in ni i S Si iz ze e U US SB B A AD DA AP PT TE ER R Version 1 5 Date 1 25 2002 ...

Page 2: ...card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm betwee...

Page 3: ...SBADAPTER SOFTWARE LIMITATION 5 SECTION 3 SOFTWARE INSTALLATION AND CONFIGURING 3 1 AUTO RUN INSTALLATION 6 3 2 INSTALLING WIRELESSUSBADAPTER DRIVER 9 3 3 INSTALLING WIRELESSUSBADAPTER UTILITY 10 3 4 INSTALLING WIRELESSUSBADAPTER UTILITY 10 3 5 CONFIGURING THE USB ADAPTER USING XP FOR XP ONLY 17 3 6 CONFIGURING WIRELESS USB ADAPTER CARD 20 APPENDIX A NETWORK CONFIGURATION 23 A 1 NETWORK TOPOLOGY 2...

Page 4: ...full Microsoft network security 1 2 Features IEEE 802 11b Direct Sequence high data rate compatible Glueless connection to Intersil PRISMII Direct Sequence Spread Spectrum DSSS radio chip set Able to communicate also with other DSSS radios Supports 11 Mbps rates with automatic fallback to 5 5 2 and 1 Mbps Advanced Power Management for power saving mode External Dipole antenna to increase the trans...

Page 5: ...d Auditors require workgroups at customer sites 5 Access to database for mobile workers Doctors nurses retailers white collar workers need access to database while being mobile in the hospital retail store or office campus 6 SOHO Small Office and Home Office users SOHO users need easy and quick installation of a small computer network 1 4 Product Kit u WIRELESS USB ADAPTER x 1 u Antenna fixed x 1 ...

Page 6: ...evice card first Then connect the other end of USB cable to the USB port on the your desktop or laptop The power LED should light up in green when the PC is on Adjust the direction ofthe antenna placement to improve the WIRELESS USB ADAPTER s performance Try to place the antenna in t he position which can have the good connection to Access point Normally the higher you place the antenna the better...

Page 7: ...Drivers and Utilities CD into the CD or DVD drive Please make sure to install the software before plug in the device to prevent possible failure of the installation 2 Click the Install button to start automatic installation 3 Setup is preparing for the installation process 4 When the welcome screen appears click Next to continue ...

Page 8: ... install to default folder or Browse to select different location 6 Leave the default selection if Access Point is connected to the network or 7 select Ad Hoc mode if there are only two or more computers on the network ...

Page 9: ...8 8 Enter SSID then click Next 9 Click Next to start copying files 10 Setup is copying files 11 Upon completion click Finish to restart computer ...

Page 10: ...will automatically detect the Wireless USB Adapter and prompt you to install the necessary driver Please make sure that the Setup Utility Driver Disk No 2 is inserted into your Floppy and click Next to begin the installation 3 Select Search for the best driver for your device and click Next 4 Select CD ROM drive Windows will automatically find the file Then click Next 5 The Windows will then ackno...

Page 11: ...te files and will ask you to restart your computer Please just click Yes 3 3 Installing WIRELESS USB Adapter Utility To setup the utility please click the Start icon and then Run 1 Please type A Setup exe or use browse the file in the dialog box Then click OK to start the setup 2 Please click Next for further running ...

Page 12: ...etup will add program icon to the program folder shown as blow then click Next for further setup 4 After the installation of utility please click Finish 5 After the installation of utility please click Finish ...

Page 13: ...ettings Quick Launch Icon After installation is complete launch the program and a utility icon will Access Point appear in the Quick Launch menu in the lower right hand corner of the screen near the clock Status The status menu provides information about the current link between the adapter and the base station Configuration Selecting this tab opens the Configuration menu Here you will find option...

Page 14: ...Points participating in the same network The SSID is case sensitive and must not exceed 30 characters Channel This setting specifies the default 802 11b channel used by the Wireless LAN communication In an Infrastructure type network without an Access Point active on the default channel clients will scan through all available channels searching for a network with matching SSID Changing the Channel...

Page 15: ...uses a combination of 64 bit or 128 bit keys to provide access control to your network and encryption security for every data transmission To decode a data transmission each wireless client on the network must use an identical 64 bit or 128 bit key This feature is only available in Infrastructure Mode and must also be enabled on the Access Point Select the WEP tab to enable or disable this feature...

Page 16: ...in the Passphrase entry field for each client Click Apply to change 2 Or select Manual Entry and the Default Tx Key of four keys Click Apply to change 3 Or select Manual Entry and key in the ten hex values in the selected default key Click Apply to change 4 The 128 bit WEP only has a Tx key Site Survey This function hel ps you survey the environment About The About displays the information about D...

Page 17: ...16 ...

Page 18: ...y You may use it to configure the Mini Size USB Adapter instead of the utility that came with the adapter 1 Right click My Network Places and select Properties 2 Right click Wireless Network Connection icon 3 Select Wireless Networks Tab You may click Refresh if you currently have existing wireless network and need to search for it ...

Page 19: ...s selected a network key is used to encrypt your data while it is transmitted over the network WEP is a set of security services used to protect 802 11 wireless networks from unauthorized access Network Authentication Shared mode Specifies whether a network key is used to authenticate to this preferred wireless network Under 802 11 standard for wireless networks when a network key is used for auth...

Page 20: ...ies whether IEEE 802 1X port based network access control is used with this connection If you select this check box credentials such as smart cards certificates and passwords are used for authentication Check Authenticate as computer when computer information is available if you would like to specifies whether the computer attempts authentication to the network when a user is not logged in Check A...

Page 21: ...nt connection Click OK to close the Configuration Utility Disable Radio means to disable the usage of radio frequency Rescan means to allow the device to rescan all the other stations or Access Points on the existing wireless networks 3 The Configuration Tab you can change Profile Name Network Name Network Type and Transmit Rate Profile Name is for you to choose different profiles which were saved...

Page 22: ...l through put of the network 5 The Encryption Tab under the drop box the user can select to have WEP Encryption Disabled 64 bit or 128 bit Enter WEP Key Setting This setting key is to configure the WEP encryption in the wireless network system To generate the key please insert the same PassPhrase in the field and click the Done to create the encryption key which must be same as the every point on ...

Page 23: ...22 6 The About Tab is to show the copyright and version information about the driver utility and firmware ...

Page 24: ...ok with Wireless USB Adapter Ad Hoc Wireless LAN Fig 1 Ad Hoc Wireless LAN An Ad Hoc wireless LAN is a group of computers each equipped with one LAN adapter connected as an independent wireless LAN Computers in a specific Ad Hoc wireless LAN must be configured at the same radio channel and ESSID Ad Hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation ...

Page 25: ...p of LAN PC users and an Access Point construct a Basic Service Set BSS Each LAN PC in the BSS can talk to any computer in the wired LAN infrastructure via the Access Point Infrastructure configuration not only extends the accessibility of a LAN PC to the wired LAN but also doubles the effective wireless transmission range for 2 LAN PCs Since the Access Point is able to forward data within its BSS...

Page 26: ...BSS2 ESS Notebook with Wireless USB Adapter Roaming Fig 3 Roaming in an Extended Service Set ESS An Infrastructure configuration also supports roaming capability for mobile workers More than one BSS can be configured to be an Extended Service Set ESS On account of a continuous connection to the network users within an ES S can roam freely All LAN PCs and Access Points within one ESS must be config...

Page 27: ... rate of the AP with the value 1 2 5 5 or 11 Mbps for your selection Bridge An internetworking function that incorporates the lowest 2 layers of the OSI network protocol model BSS BSSstands for Basic Service Set It is an Access Point and all the LAN PCs that associated with it Channel The AP and the with it associated stations will work in this channel You must set the channel by consulting Append...

Page 28: ...elivery of the PSDU The optional short preamble and header is intended for application where maximum throughput is desired and interoperability with lega cy and non short preamble 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 PSDU PLCP service data unit Roaming A LAN mobile use...

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