IOGear GWU523 manuale d’uso

® Wireless-G USB 2.0 Adapter User Manual (GWU523)[...]

©2005 IOGEAR. All Rights Reserved. PKG-M014 6 IOGEAR, the IOGEAR logo , MiniView , VSE are trademarks or registered trademar ks of IOGEAR, Inc. Microsoft and Windows are registered trademarks of Microsoft Corporation. IOGEAR makes no warr anty of any kind with regards to the information presented in this document. All inf or mation furnished here [...]

Welcome Thank you f or choosing IOGEAR ® to serve your wireless needs . In no time you will be shar ing files or surfing the Internet wirelessly . W e hope y ou will hav e as much fun using your IOGEAR ® Wireless-G USB 2.0 Adapter , as we had designing it. Rest assured, your IOGEAR ® Wireless-G USB 2.0 Adapter is built rock-solid to ensure maxim[...]

T able of contents P ackage Contents Product Overview Features System Requirements Introduction Installation General Connection Setting WEP Encryption Setting WP A Encryption Setting Profile Advanced Setting System Inf or mation Wireless LAN Basics IP Address Specification 02 03 04 05 06 07 15 17 19 21 22 23 24 26 28 T roubleshooting Gloassa y T ec[...]

P ackage Contents This package contains. .. 1 x 802.11g USB 2.0 Adapter 1 x Quick Start Guide 1 x Installation & Manual CD-ROM 1 x W arranty/Registr ation Card Check to make sure that all the components are present and that nothing was damaged in shipping. If you encounter a prob lem, contact your dealer . Read this manual thoroughly and follo [...]

Overview Being fiv e times faster than the speed of 802.11b network standard de vices, the innovativ e 802.11g standard lets the wireless network become incredib ly easier and faster (up to 54Mbps) than e v er . Y our Wireless-G USB 2.0 Adapter surely will bring you into such a high-speed netw ork sphere. This document describes how to install your[...]

Features • Suppor t Microsoft Windows 98SE, Me, 2000 and XP . • Operating distance of up to 300 meters in free space. • 54 Mbps Data Rate. • Suppor t USB 1.1 and 2.0 (preferred) interf ace. • Security with 64-bit or 128-bit WEP (Wired Equiv alent Privacy). • DSSS (Direct Sequence Spread Spectr um). • Easy operation and setting up. 4[...]

5 Pictorial Introduction LED • LED turns on when POWER is applied to the IOGEAR Wireless-G USB 2.0 Adapter . • LED is blinking when PC is sending data through IOGEAR Wireless-G USB 2.0 Adapter. LED[...]

System Requirements - Win do ws 98SE, ME, 2000 or XP - a vailable USB 1.1. or 2.0 por t. 6[...]

7 Installation CONNECTING Y OUR WLAN USB AD APTER TO PC Note: Once you inser t the installation an d driver CD , it will automatically activate the A utorun installation program. If y our autor un is disable please run the iogear . e xe file on the CD . Step 1 : Insert the Manual and installation CD into your CD-R OM. Y ou will be prompted with the[...]

Installation STEP 2 Click Next to continue. 8[...]

9 Installation Step 3 : Clic k Next to install at the designated f older . Or , click “ Browse ” to select diff erent folder .[...]

Installation Step 4 : Start copying files until it finish the installation. 10[...]

11 Installation Step 5 : Clic k Finish to complete installation.[...]

Installation Step 6 : After finished install driver and utility on your system, Windo ws XP/2000 Plug the USB adapter into the USB port of your PC. It will automatically detect the USB Adapter. Windo ws ME/98SE Y ou will be asked to restart your PC . After rebooting, plug the USB adapter into the USB por t of your PC . It will automatically detect [...]

13 Installation If the icon in the System T ray is in red, it means that Wireless USB Adapter configuration is inv alid or incomplete. Double clic k on that icon and the configuration window will pop up as shown below . It shows the SSID of av ailab le network. Once a network is chosen, the signal strength and link quality are display ed.[...]

Installation The Link Quality and Signal Strength bar chart is only active when the node is in Infrastr ucture Mode. The bar gr aph displays the quality and strength of the link between the node and its Access P oint. Link Quality is a measurement of receiving and transmitting perf o rmances ov er the radio. Tx/Rx Fr ame displays the instantaneous [...]

15 General Connection Setting In this panel, you can modify the gener al network connection setting, enable/disab le the WEP , load / modify profile and other setting. Through this control panel, you will be ab le to access the corporate wireless LAN or hot spots such as hotel, air port, and conference hall. Clic k “ Change ” to start input of [...]

When settings are input, click “ Apply ” to confir m changes of them. General Connection Setting 16[...]

17 WEP Encryption Ke y Setting Y ou may want an additional measure of security on your wireless network, which can be achie ved by using WEP (Wired Equivalent Privacy) encryption. WEP encrypts each fr ame transmitted from the radio using one of the K eys entered in this panel. When an encrypted frame is received it will only be accepted if it decry[...]

The default state in Encryption Setting is WEP disab led. Check “ Enab le WEP ” to enable the encr yption. F or more WEP key setting, Click “ WEP Encryption Key Setting ”. Three authentication modes are av ailable: Open System, Shared Ke y and Auto . The Open System uses a default ke y to authenticate the station and Access Point. Once both[...]

19 Click the “ x ” at the upper right hand corner to return to Configuration T ool. WP A Encrytion Setting WP A (Wi-Fi Protected Access) is a security technology for wireless networks. W P A improv es on the authentication and encr yption f eatures of WEP (Wired Equivalent Privacy). T o improve data encr yption, WP A utilizes its T emporal Key [...]

WP A Encrytion Setting WP A Pre-Shared Ke y (WP A-PSK) is a simplified but still pow erful form of W P A most suitable f or home Wi-Fi networking. T o use WP A-PSK, a person sets a static ke y or “passphrase” as with WEP . But, using TKIP , WP A-PSK automatically changes the keys at a preset time inter v al, making it much more difficult for ha[...]

21 Pr ofile Each profile represents specific settings of the USB adapter . Y ou can set the settings for each profile. Next time when y ou want to change the USB adapter settings, you can just select the profile you w ant to use.[...]

Adv anced Setting Advanced Setting Clic k “ Adv anced Setting ” to select po we r consumption setting that has 3 diff erent modes. In this panel, you can select diff erent user interface and country roaming. It also allows y ou to set the threshold of fragmentation and R TS/CTS. 22[...]

23 System Information Clic k “ Inf ormation ” and the pop-up window will show the Driver V ersion, Utility V ersion, MAC address of this USB adapter and so on. System Information[...]

WIRELESS LAN BASICS Wireless LAN network defined by IEEE 802.11b/g standard committee could be configured as : 1. Ad Hoc wireless LAN, or 2. Infrastructure wireless LAN. Ad Hoc network is a group of PCs installed with wireless LAN cards, this group of PCs is called a BSS (Basic Service Set). PCs in this group can use their wireless LAN cards to com[...]

25 Wirelss LAN Basics Internet AD-HOC Computer to computer No Access points required INFRASTRUCTURE Access to Internet Access points required 1 2[...]

IP ADDRESS T o use the Wireless-G USB 2.0 Adapter with a computing device, y our computer must be equipped with an USB 1.1 or 2.0 available ports. All drivers and suppor ting softw are fo r the Wireless-G USB 2.0 Adapter must be installed and configured first. Ask your system administrator f or the follow ing inf or mation, which you may need to pr[...]

27 In network with static IP addressing, the network administrator manually assigns an IP address to each computer . Once a static IP address is assigned, a computer uses the same IP address e ver y time it reboots and logs on to the netw ork. Y ou may manually change the IP address in the Network Pr oper ties dialog box . Network using static IP a[...]

Specification Wireless-G USB 2.0 Adapter IEEE 802.1 1b/g 2.400 GHz ~ 2.4835 GHz unlicensed ISM band 802.1 1b: QPSK/BPSK/CC K 802.1 1g: OFDM 54/ 48/3 6/2 4/18/ 12/ 11/9/ 6/ 5.5/ 2/1M b p s A d hoc Infrastructure (Access Points needed) <15 dBm Operating at 1 1Mbps @ -80dBm Operating at 54 Mbps @ -70dBm 30 to 200 m, depending on surrounding environ[...]

29 Wireless-G USB 2.0 Adapter USB 2.0/1.1 Link/Active Windows 98SE/ME/2000/XP Windows-based configuration utility and status monitoring FCC for North America CE/ETSI for European 77.5mm(L) x 27mm(W) x 10.5mm(H) 13g 0 ~ 50ºC -20 ~ 7 0 º C 5 ~ 90% (non-condensing) Product Name I/O Interface LED Operating System Supported Management Regulation Dimen[...]

T ro ubleshooting Symptom : The LED is off. Remedy : Make sure the PC Card is inser ted properly . Otherwise contact y our vendor . Symptom : The LED is alwa ys on not blinking. Remedy : Make sure that you hav e installed the driver from attached CD . Otherwise contact your vendor . Symptom : The LED is blinking b ut the PC Card icon does not appea[...]

31 Symptom : The PC Card is linking, but can’t share files with others . Remedy : Make sure the file and printer sharing function is enab led. Y ou can enable the function by checking the icon of My Computer -> Control Panel -> Netw ork -> file and printer sharing -> I want to be able to giv e others to access to my files . Symptom : [...]

GLOSSAR Y IEEE 802.11 Standard The IEEE 802.11 Wireless LAN standards subcommittee , which is formulating a standard for the industry . Access Point An internetworking device that seamlessly connects wired and wireless networks together . Ad Hoc An Ad Hoc wireless LAN is a group of computers, each with a WLAN adapter , connected as an independent w[...]

Glossary 33 Direct Sequence Spread Spectrum This is the method the wireless cards use to transmit data ov er the frequency spectrum. The other method is frequency hopping. Direct sequence spreads the data over one frequency r ange (channel) while frequency hopping jumps from one narrow frequency band to another many times per second. ESSID An Infra[...]

IEEE Institute of Electrical and Electronics Engineers Infrastructure An integrated wireless and wired LAN is called an Infrastructure configuration. Infrastr ucture is app licab le to enterpr ise scale f or wireless access to central database, or wireless application fo r mobile workers. ISM Band The FCC and their counterpar ts outside of the U. S[...]

Glossary 35 Pr otocol A protocol is a standardized set of rules that specify how a con versation is to tak e place, including the format, timing, sequencing and/ or error checking. Roaming In an infrastructure network, this is when a wireless PC moves out of range of the pre viously connected access point and connects to a newly connected access po[...]

T emporal Key Integrity Pr otocol (TKIP) The T emporal Ke y Integrity Protocol, pronounced tee-kip, is par t of the IEEE 802.11i encryption standard f or wireless LANs. TKIP is the ne xt gener ation of WEP , the Wired Equivalency Protocol, which is used to secure 802.11 wireless LANs. TKIP provides per-pack et key mixing, a message integrity check [...]

37 Wi-Fi Protected Access (WP A) The Wi-Fi Alliance put together WP A as a data encryption method for 802.11 wireless LANs . WP A is an industr y- supported, pre-standard version of 802.11i utilizing the T emporal Key Integ rity Protocol (TKIP), which fixes the problems of WEP , including using dynamic k eys. Wide Area Network (W AN) A WAN consists[...]

T ec hnical Suppor t If you need technical support, please check out our IOGEAR T ech Info Library (T .I.L.) at www .iog ear .com/support f or the latest tips, trick s, and troubleshooting. The IOGEAR T .I.L. was designed to provide you with the latest technical inf or mation about our products . Most of the answers to y our questions can be found [...]

39 Radio & TV Interference Statement W ARNING!!! This equipment generates, uses and can r adiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interf erence to radio communications. This equipment has been tested and found to comply with the limits f or a Class B computing de vice pur[...]

Limited W arranty IN NO EVENT SHALL THE DIRECT VENDOR’S LIABILITY FOR DIRECT , INDIRECT , SPECIAL, INCIDENT AL OR CONSEQ UENTIAL D AMAGES RESUL TING FROM THE USE OF THE PRODUCT , DISK, OR ITS DOCUMENT A TION EXCEED THE PRICE P AID FOR THE PRODUCT . The direct vendor makes no w arranty or representation, e xpressed, implied, or statutor y with res[...]

23 Hubb le • Ir vine , CA 92618 • (P) 949.453.8782 • (F) 949.453.8785 • www .iogear .com Contact inf o. ®[...]