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Creative Network Blaster CW2230 Скачать руководство пользователя страница 36

About Wireless LANs  A-3

About 
Infrastructure 
Mode

In Infrastructure mode, a wireless client communicates with other wired and 

wireless clients through an AP. A wireless client connected in this way can access 

the resources of the Ethernet LANs and wireless LANs of the AP, including access to 

the Internet using a shared modem.

Figure A-2: Infrastructure Network

Wireless AP

Wired LAN

Wireless clients

Internet

Broadband 

modem

Switch

Содержание Network Blaster CW2230

Страница 1: ......

Страница 2: ...t as specifically allowed in the license agreement The licensee may make one copy of the software for backup purposes only The Software License Agreement is found in a separate folder on the Installation CD Copyright 2004 Creative Technology Ltd All rights reserved Version 1 0 August 2004 The Creative logo and Blaster are registered trademarks and Network Blaster is a trademark of Creative Technol...

Страница 3: ...Contents ...

Страница 4: ...twork Blaster Wireless USB Adapter Utility 2 1 Connecting Your USB Adapter 2 6 Uninstalling the Driver and Network Blaster Wireless USB Adapter Utility 2 7 3 Connecting To A Wireless LAN About the Network Blaster Wireless USB Adapter Utility Icon 3 1 In Windows XP 2000 Me 98 SE 3 2 Using Windows Wireless Network Connection Windows XP only 3 4 4 Configuring Settings Connecting to a network in Infra...

Страница 5: ... and Benefits of Wireless LANs A 1 About Ad Hoc Mode A 2 About Infrastructure Mode A 3 Setting Up Wireless LANs A 4 B About Network Security About Wired Equivalent Privacy B 1 C Technical Specifications D Safety Precautions General Safety D 1 Exposure to Radio Frequency Caution D 1 Federal Communication Commission Interference Statement D 1 E Glossary ...

Страница 6: ...Introduction ...

Страница 7: ...cryption Package Contents The following items are included in your package Creative Network Blaster Wireless USB Adapter CW2230 USB Extension cable Quick Start leaflet Installation CD System Requirements Microsoft Windows XP Windows 2000 Windows Millennium Edition Me or Windows 98 Second Edition SE Intel Pentium II 233 MHz processor or equivalent 20 MB free hard disk space 64 MB RAM CD ROM DVD ROM...

Страница 8: ...ntact your internet service provider s customer or technical support staff for details Product Registration Enjoy a host of benefits by registering your product during installation or at www creative com register Benefits include Service and product support from Creative Exclusive updates on promotions and events Customer Support Services and Warranty Customer Support Services information can be f...

Страница 9: ...lls you about short cuts or hints relating to a feature Note This highlights additional or important information about a feature Caution This highlights proper usage of your product Use this information to avoid risky situations Warning This warns you of possible hazards to yourself or your product that may result in injury or damage ...

Страница 10: ...About Your USB Adapter ...

Страница 11: ...when your USB adapter is scanning for available networks and lights up when connected to a network Activity LED Indicates the activity status When blinking green the USB adapter is transferring or receiving data USB connector Insert this into your computer s USB port ...

Страница 12: ...Installing Your USB Adapter ...

Страница 13: ...n iii Right click the CD ROM DVD ROM drive icon and then click Autoplay 2 Click the Install Software option 3 Select the drivers and applications to install and then click the OK button 4 When the Creative Network Blaster Wireless USB Adapter Utility dialog box appears click the Next button 5 In the next dialog box that appears click the Next button 6 In Windows XP when the Creative Network Blaste...

Страница 14: ...tion a warning message similar to Figure 2 2 appears You may see this message when installing this driver If you do you may choose to click the Continue Anyway button Creative has tested this driver on Windows XP and it does not impair or destabilize your computer If you need more XP related information go to the product web site s Help 8 Click the Finish button 9 Connect your USB adapter to your ...

Страница 15: ...x similar to Figure 2 3 appears click the Install the software automatically Recommended option and then click the Next button 11 If the Hardware Installation dialog box similar to Figure 2 4 appears click the Continue Anyway button 12 Click the Finish button Figure 2 3 Figure 2 4 ...

Страница 16: ...Installing Your USB Adapter 2 4 For Windows 2000 only 7 If the Digital Signature Not Found dialog box similar to Figure 2 5 appears click the Yes button 8 Click the Finish button Figure 2 5 ...

Страница 17: ...er to your computer s USB port See Connecting Your USB Adapter on page 2 6 For Windows Me and Windows 98 SE only 5 When prompted restart your computer 6 Connect your USB adapter to your computer s USB port See Connecting Your USB Adapter on page 2 6 For instructions on how to connect to a wireless LAN see Connecting To A Wireless LAN on page 3 1 Figure 2 6 ...

Страница 18: ... If necessary connect your USB adapter to your computer s USB port using the provided USB Extension cable Your computer s USB port may be located on the front panel If your USB adapter does not fit into the USB port located on the back panel connect it to the USB port located on the front panel USB port USB port USB Extension cable ...

Страница 19: ...how to uninstall the driver and Network Blaster Wireless USB Adapter Utility in all Windows operating systems 1 Close all applications 2 Click Start Programs or All Programs Creative Network Blaster Wireless USB Adapter CW2230 Uninstall Driver and Utility 3 When the Confirm Uninstall dialog box appears click the OK button 4 In Windows XP 2000 click the Finish button In Windows Me 98 SE when prompt...

Страница 20: ...Connecting To A Wireless LAN ...

Страница 21: ...the Network Blaster Wireless USB Adapter Utility Icon Name Description Startup icon After installing the driver and Network Blaster Wireless USB Adapter Utility this icon appears on your computer s taskbar Network Blaster USB Adapter Utility icon When your USB adapter is connected to a network this icon appears on your computer s taskbar The Network Blaster USB Adapter Utility icon disappears when...

Страница 22: ... pane click Site Survey 4 Click the Refresh button A list of available access points and Ad hoc stations appears 5 Under Available Networks select the network to connect to and then click the Connect button To connect to a network by specifying the SSID refer to Specifying the SSID Service Set Identity on page 4 3 You can also click Start Programs All Programs Creative Network Blaster Wireless USB...

Страница 23: ...Connecting To A Wireless LAN 3 3 6 When the Profile Edit dialog box Figure 3 3 appears click the OK button Your computer automatically connects to the selected network Figure 3 3 ...

Страница 24: ...laster Wireless USB Adapter icon or and then click Enable Zero Configuration 2 Right click the Windows Wireless Network Connection icon Figure 3 4 and then click View Available Wireless Networks 3 When the Connect to Wireless Network dialog box Figure 3 5 appears select a network to connect to and then click the Connect button For more instructions on using the Windows Wireless Network Connection ...

Страница 25: ...Configuring Settings ...

Страница 26: ...oc mode on page 4 5 Infrastructure mode connection steps are found below Scanning available access points 1 Click the Network Blaster Wireless USB Adapter Utility icon on the taskbar 2 On the left pane click Site Survey Figure 4 1 3 Click the Refresh button A list of available access points and Ad hoc stations appears 4 Under Available Networks select the network to connect to and then click the C...

Страница 27: ...s values These keys serve as passwords that encrypt your data before transmission 11 Click the OK button To configure WPA PSK 6 Click the Authentication box and select WPA PSK 7 Click the Data Encryption box and select TKIP or AES 8 In the Pre shared Key box type a password which encrypts your data before transmission 9 Click the OK button Figure 4 2 It is recommended that you set up WEP or WPA PS...

Страница 28: ...ss USB Adapter Utility icon on the taskbar 2 On the left pane click Site Survey Figure 4 3 3 Under Profile Name click the New button 4 When the Profile Edit dialog box Figure 4 4 appears click the General tab 5 In the SSID box type a name for your SSID 6 Click the Encryption tab Figure 4 3 Figure 4 4 ...

Страница 29: ...ords that encrypt your data before transmission 12 Click the OK button To configure WPA PSK 7 Click the Authentication box and select WPA PSK 8 Click the Data Encryption box and select TKIP or AES 9 In the Pre shared Key box type a password which encrypts your data before transmission 10 Click the OK button It is recommended that you set up WEP or WPA PSK encryption This can help prevent unauthori...

Страница 30: ...the Refresh button A list of available access points and Ad hoc stations appears 4 Under Available Networks select the network to connect to and then click the Connect button 5 When the Profile Edit dialog box appears click the General tab Figure 4 6 6 In the SSID box type a name for your SSID 7 Click the Network Type box and select Ad hoc Station 8 Click the Encryption tab Figure 4 5 Figure 4 6 ...

Страница 31: ...erve as passwords that encrypt your data before transmission 14 Click the OK button To configure WPA PSK 7 Click the Authentication box and select WPA PSK 8 Click the Data Encryption box and select TKIP or AES 9 In the Pre shared Key box type a password which encrypts your data before transmission 10 Click the OK button It is recommended that you set up WEP or WPA PSK encryption This can help prev...

Страница 32: ...such as signal strength and link quality on the left pane click Status Figure 4 7 Driver and utility version 1 Click the Network Blaster Wireless USB Adapter Utility icon on the taskbar 2 To view the current driver and utility version of Network Blaster Wireless USB Adapter Utility on the left pane click Version Information Figure 4 8 Figure 4 7 Figure 4 8 ...

Страница 33: ...About Wireless LANs ...

Страница 34: ...e are some of them Convenience cost effectiveness and flexibility Setting up a wireless LAN is easy fast and cost effective as you do not need to install new wiring Mobility Unlike wired LANs a wireless LAN allows you to move around and still remain connected to the network Scalability You can choose to configure your wireless LAN in Ad hoc mode or Infrastructure mode In Ad hoc mode a wireless cli...

Страница 35: ...s well as access the Internet using a shared modem However a wireless client can only communicate with other wireless clients that are part of the same wireless LAN workgroup share the same IEEE 802 11 standard are within a fixed range Ad hoc mode is also known as Peer to Peer mode Figure A 1 Ad hoc Network Printer Broadband modem DVD ROM drive Internet Wireless LAN External hard disk drive ...

Страница 36: ...r wired and wireless clients through an AP A wireless client connected in this way can access the resources of the Ethernet LANs and wireless LANs of the AP including access to the Internet using a shared modem Figure A 2 Infrastructure Network Wireless AP Wired LAN Wireless clients Internet Broadband modem Switch ...

Страница 37: ...hould be placed If two APs are placed close to each other you can optimize your bandwidth by setting them to different channels Radio waves can pass through walls and glass but not metal If the signal on the other side of a wall is weak it may be that the wall has reinforcing metal in its structure Install another AP to circumvent this problem or move your AP to another location Floors usually hav...

Страница 38: ...About Network Security ...

Страница 39: ...o not have the same keys are locked out Only devices with the same keys can communicate with each other Refer to the diagrams below for details on how the keys work When typing the keys use either hexadecimal characters which are the letters A to F and the numbers 0 to 9 or ASCII characters default key When Keys 1 4 and the selected default key for both wireless devices are the same they can commu...

Страница 40: ...re the same but the selected default key is different they can communicate with each other default key default key When Keys 1 4 for both wireless devices are different but the selected default key is the same they can communicate with each other default key default key ...

Страница 41: ...About Network Security B 3 When Keys 1 4 and the selected default key in both wireless devices are different they cannot communicate with each other default key default key ...

Страница 42: ...Technical Specifications ...

Страница 43: ...ations Standards IEEE 802 11g Interface USB 2 0 compliant Antenna PCB antenna Frequency Band 2 4 2 4835 GHz Data Rate OFDM 54 48 36 24 18 12 9 Mbps DSSS CCK 11 5 5 2 1 Mbps Channels 11 Channels US Canada Security 64 or 128 bit WEP encryption WPA PSK ...

Страница 44: ...Safety Precautions ...

Страница 45: ...normal operation In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna shall not be less than 2 5 cm 1 inch during normal operation The indoor antenna must be totally isolated and does not have a line of sight to an external GPS antenna to avoid feedback reflected RF signal Federal Communicatio n Commission Interference Statement This...

Страница 46: ...hanges or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment IMPORTANT NOTE FCC Radiation Exposure Statement 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 between the radiator your body ...

Страница 47: ...Glossary ...

Страница 48: ...a A device that intercepts radio frequency RF waves from the atmosphere and converts them to corresponding signal voltages AP Access Point A networking device that transparently bridges wireless computers to a wired local network ASCII American Standard Code for Information Interchange ASCII is the most common format for text files in computers and on the Internet In an ASCII file each alphabetic ...

Страница 49: ...surement used to express relative difference in power or intensity relative to 1 mW DHCP Dynamic Host Configuration Protocol A method of assigning a temporary IP address to a host such as a computer connected on a specific network With dynamic addressing a particular host may have a different IP address each time it connects to the network Digital Data expressed as a string of 0s and 1s Each of th...

Страница 50: ...a pre arranged scheme Under DSSS each bit of data to be transmitted is encoded with a redundant pattern called a chip The chipping code is known only to the sending and receiving clients making it difficult for an intruder to intercept and decipher the encoded wireless data DSSS is used in IEEE 802 11b networks Dynamic IP address See DHCP Dynamic Host Configuration Protocol Encryption A procedure ...

Страница 51: ...ich data transmission can occur in only one direction at a time Hexadecimal A number system with a base of 16 The 16 digits in the hexadecimal system are 0 1 2 3 4 5 6 7 8 9 a b c d e f Hub A device used for connecting nodes in a star topology that is all the nodes are connected to a central hub A passive hub simply organizes the wiring while an active hub besides organizing the wiring regenerates...

Страница 52: ...protocol within TCP IP that defines the basic unit of information by breaking down data messages into packets routing and transporting the packets over networks then reassembling the packets at their destination IP corresponds to the Network layer layer 3 in the ISP OSI model IP address The address for a computer on a TCP IP network The IP address identifies a particular machine on a network The f...

Страница 53: ...ss lets a network identify Ethernet network devices at the hardware level Mbps Megabits Per Second A measure of data transfer speed Megabits Megabytes One million bits bytes Modem A device that allows a computer to transmit data to other computers NAT Network Address Translation An Internet standard that enables a LAN to use one set of IP addresses for internal traffic and a second set of IP addre...

Страница 54: ...ether a specific IP address is accessible It works by sending a packet to the specified address and waiting for a reply PING is used primarily to troubleshoot network connections Preamble A preamble is a signal in the form of series of pulses used in network communication to synchronize the transmission timing between two or more systems There are two options Short and Long The Short option improv...

Страница 55: ...e the RTS frame sent out will request for more bandwidth SSID Service Set Identity A group name shared by all members of an IEEE 802 11 standard wireless network Only wireless devices with the same SSID are allowed to establish connections Static IP address A permanent IP address assigned to a computer host connected on a specific network Subnet or Subnetwork Any network that is a part of a larger...

Страница 56: ...that spans a relatively large geographical area Typically a WAN consists of two or more LANs WEP Wired Equivalent Privacy A wired security policy defined by the IEEE 802 11 working group WEP uses the RC 4 40 bit encryption algorithm to scramble all data before it is transmitted Vendors add proprietary encryption features to their software taking the encryption level up to 128 bits Wi Fi Wi Fi is p...

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