Manuale d’uso / di manutenzione del prodotto WG121 del fabbricante NETGEAR
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Version v1.0 September 2003 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95 054 USA User Manual for the NETGEAR 54 Mbp s Wireless USB 2.0 Adapter WG121.
ii T e chnical Support Please refer to the support information card that shipped with your product. By registering your product at www .netgea r .com/registe r , we c an provide you with faster expert technical support and timely notices of product and software upgrades.
iii Equipment and Electronic Office Machines aimed at preventing radio interference in such residentia l are as. When used near a radio or TV receiver , it may be come the cause of radio interference.
iv • Consult the dealer or an experien ced radio/TV tec hnician for help. Modifications made to the product, unle ss expressly approved byNETGEAR, Inc.
v Marking by the above symbol indicates compliance with th e Essential Requirements of the R&TTE Directive of the European Union (1999/5/EC). This equipment meets the following conformance standar.
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vii Declaration of Conformity in Langua ges of the European Community Finnish: V almistaja N ETGEAR, Inc. vakuuttaa täten että Radio LAN device tyyppinen la ite on direktiiv in 1999/5/EY oleellisten vaati musten ja sitä koskevien dire ktii vin muiden ehtojen mukaine n.
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Contents ix Content s Chapter 1 About This Manual Audience, Scope, Conventions ................ ............. ................ ................. ............ ............ 1-1 How to Use this Manual .. ................. ................ ............. .
x Contents Connecting to an Access Point in Infrastruc ture Mode ....... ................ ................ ..... 4-2 How to Configure an Infrastructure Mode Pr ofile ... ............. ............. ................ ........ 4-2 Connecting to Another PC in Ad-hoc Mode .
Contents xi Install or V erify Windows Networking Comp onents ................ ...................... ........... C-6 DHCP Configuration of TCP/IP in Window s XP or 2000 ..... ................ ................ .... C-7 DHCP Configuration of TCP/IP in Window s XP .
xii Contents.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 About This Manual 1-1 Chapter 1 About This Manual This chapter introduces the conventio ns and features of this document. Audience, Scope, Conventions This manual assumes that the re ader has basic to intermediate computer and Internet skills.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 1-2 About This Manual How to Use this Manual The HTML version of this manu al includes these feature s. Figure 1- 1: HTML v ersion of this manual 1. Left pane . Use the left pane to view the Contents, Index, and Search tab s.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 About This Manual 1-3 How to Print this Manual T o print this manual you man choose one of th e following several optio ns, according to your needs. • Printing a “How T o” Sequence of S teps in the HTML V iew .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 1-4 About This Manual.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Introduction 2-1 Chapter 2 Introduction This chapter introduces the features, package co ntents, and appearance of the NETGEAR 54 Mbps W ireless USB 2.0 Adapter WG121. About the NETGEAR 54 Mbp s Wireless USB 2.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 2-2 Introduction The following NETGEAR products can be configur ed to communicate with the WG121 W ireless USB 2.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Introduction 2-3 The NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 has two interfaces: • The USB 2.0 connector connects to an y PC with an avai lable USB port. • The wireless antenna of the NETGEAR 54 Mbps W ireless USB 2.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 2-4 Introduction T able 2-1. A Road Map for How to Get There From Here If I W ant T o? What Do I Do? What’ s Need ed? How Do I? Connect to a wireless network 1. Identify the wireless network name (SSID) and, if used, the wireless security settings.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Introduction 2-5 Connect to the Internet over my wireless network. 1. Activate my wireless link and verify my network connection. 2. Open an Internet browser such as Internet Explorer or Netscape Navigator .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 2-6 Introduction Exchange files between a wirelessly connected PC and other computers in a my combined wireless and wired network. 1. Use the Windows Network Neighborhood feature to browse for computers in the combined wireless and wired network.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Introduction 2-7 Use printers in a combined wireless and wired network. 1. Use the Windows Printers and Fax features to locate available printers in the combined wireless and wired network.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 2-8 Introduction.
Basic Setup 3-1 Chapter 3 Basic Setup This chapter describes how to install your NETGEAR 54 Mbps W ireless USB 2.0 Adapter WG121 and set up basic wireless connectivity on your W ireless Local Area Network (WLAN). Advanced wireless network co nfiguration is covered in Chapter 4, “Configuration” in this manual.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-2 Basic Setup • W indows XP Home, W indows XP Prof essional, 2000, Me, 98S E or 98 Some versions of W indows may ask for the original W indows opera ting system installation files to complete the installation of the WG121 driver software.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-3 WG121 Default Wireless Configuration Settings If this is a new wireless network installation, use the factory default settings to set up the network and verify wireless connectivity .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-4 Basic Setup Basic Inst allation Instructions Use the procedure below th at corresponds to the v ersion of W indows you are using. For Windows XP Users Inst alling a WG121 Install the WG121 driver and configuration utility software.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-5 Install the NETGEAR 54 Mbps Wir eless USB 2.0 Adapter WG121. a. Locate an av ailable USB port on your PC. Connect the USB cable to the WG121 and inser t the other end of the cable into the USB slot on your PC.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-6 Basic Setup Configur e your WG121. a. Click the icon in the W indows system tray to open the WG121 Smart W izard W ireless Settings Utility . The utility opens to the Settings tab page.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-7 V erify wireless connectivity to your network. a. V erify that your Connection and Status Monitor information ma tches your wireless network. b. Check the two LEDs on the WG121: c.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-8 Basic Setup For Windows 2000 & 98/Me Users Inst alling a WG121 Install the WG121 driver and configuration utility software. Note: W indows 2000 may require you to be logged on with ad ministrator rights.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-9 Install the NETGEAR 54 Mbps Wir eless USB 2.0 Adapter WG121. a. Locate an av ailable USB port on your PC. Connect the USB cable to the WG121 and inser t the other end of the cable into the USB slot on your PC.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-10 Basic Setup Configur e your WG121 and save the Profile . a. Click on the WG121 systray icon to open the WG121 configuration utility . The utility opens to the Settings tab page. b.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-11 V erify wireless connectivity to your network. a. V erify that your Connection and Status Monitor information ma tches your wireless network. b. Check the two LEDs on the WG121: c.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-12 Basic Setup WG121 Wireless Connection Indicators The NETGEAR 54 Mb ps W ireless USB 2.0 Adapter WG121 p rovides the following thre e indicators which give you feedback on the status of your wireless connection: • The two LEDs on the NETGEAR 54 Mbps W ire less USB 2.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-13 Interpreting System T ray Icon Colors The System T ray (SysT ray) resides on one end of th e taskbar in the Microsoft W indows desktop. Color Condition Description Red The WG121 has no connection to any wireless node.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-14 Basic Setup T roubleshooting Use the information below to solv e common problems yo u may encounter . Also, please refer to the knowledge base on the NETGEAR web site at www .netgear .
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-15 T roubleshooting Frequently Asked Questions 1. Symptom: (XP Professional and XP Home user only) Some WG121 XP users.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-16 Basic Setup 3. Question: The product literature says the WG121 can operate at 54 Mbps. Why do I see no more than 14 Mbps speed on my WG121? If your computer does n ot have a USB v2.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Basic Setup 3-17 Answer: Y es, the WG121 complies with the IEEE 802.1 1g standards.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 3-18 Basic Setup.
Configuration 4-1 Chapter 4 Configuration This chapter describes how to configure your NETGEAR 54 Mbps W ireless USB 2.0 Adapter WG121 for wireless connectivity on your W ireless Local Area Network (WLAN) an d use the data security encryption features.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4-2 Configuration For example, if you use your n ote book PC to connect to a wireless network in an office and a wireless network in your home, you can create a profile for each wireless network.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Configuration 4-3 a. T ype a descriptive name for the Profile in the “Profiles” field. b. Click Save Profile. All the configuration settings are saved in this profile. c. Click Apply .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4-4 Configuration d. Select Ad-hoc for the Network T ype. e. Enter the SSID for the Ad-Hoc network. f. Click Apply . 2. Save your settings in a Profile. a. T ype a descriptive name in the “Profiles” field.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Configuration 4-5 Figure 4-2: Ping test result s At this point the connection is established. Y ou may ne ed to reboot in certain W indow s operating systems su ch as W indows 98. Note: If you cannot connect, see the “T roublesh ooting” on p age 3-14 .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4-6 Configuration How to St art a Computer-to-C omputer (Ad-Hoc) Network 1. Fill in the Network Name (SSID). 2. Select the Computer-to-computer (Ad-Hoc) network type. 3. Click Initiate Ad-Hoc.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Configuration 4-7 • W ireless Network Name (SSID): The Service Set Identification (SSID) identifies the wireless local area network. Any ( First available network) is the default WG121 wireless network name (SSID).
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4-8 Configuration b. Enter the SSID. This is also called the W ireless Network Name. Note: Y ou will not get a wireless network conn ection unless the ne twork SSID matches exactly what is configur ed in the access point.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Configuration 4-9 S t atistics Page The Statistics page provides real time and historic al trend information on the data traf fic and performance of your wireless adapter .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4-10 Configuration.
Technical Specifications A-1 Appendix A T echnical S pecifications This appendix provides technical specificatio ns for the NETGEAR 54 Mbps W ireless USB 2.0 Adapter WG121 . Antennae 2 Integrated internal diversi ty antennas S t andards 802.1 1g, 802.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 A-2 Technical Specifications.
Wireless Networking Basics B-1 Appendix B Wireless Networking Basics This chapter provides an overview of W ireless networking. Wireless Networking Overview The WG121 W ireless USB 2.0 Adapte r conforms to the Institute of Electrical and Electronics Engineers (IEEE) 802.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 B-2 Wireless Networking B asics Ad Hoc Mode (Peer- to-Peer Workgroup) In an ad hoc network, computers are brought together as needed; thus, there is no structure or fixed points to the network - each node can g enerally communicate with any ot her node.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Wireless Networking Basics B-3 802.1 1 Authentication The 802.1 1 standard defines several services th at govern how two 802.1 1 devices communicate. The following events must occur before an 802.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 B-4 Wireless Networking B asics Figure 4-3: 802.1 1 open system authe ntication Shared Key Authentication The following steps occur when two de vices use Shared Key Authentication: 1. The station sends an authentica tion request to the access point.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Wireless Networking Basics B-5 Figure 4-4: 802.1 1 shared key authen tication Overview of WEP Parameters Before enabling WEP on an 80 2.1 1 network, you must first consider what type of encryption you require and the key size you wa nt to use.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 B-6 Wireless Networking B asics Key Size The IEEE 802.1 1 standard su pports two types of WEP en cryption: 40-bit and 128-bit. The 64-bit WEP data encryption meth od, allows for a five -character (40-bit) input.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Wireless Networking Basics B-7 Note: Whatever keys you enter for an AP , you must al so enter the same keys for the client adapter in the same order .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 B-8 Wireless Networking B asics The radio frequency channels used are listed in Ta b l e 4 - 1 : Note: The av ailable channe ls sup ported by the wireless products in various countries are dif ferent.
Preparing Your PCs for Network Access C-1 Appendix C Prep aring Y our PCs for Network Access This appendix describes how to prepare your PCs to connect to the Internet through the NETGEAR 54 Mbps W ireless USB 2.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-2 Pr epa ring Your PCs for Network Access 1. On the W indows taskbar , click the Start button, point to Settings, and th en click Control Panel.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Preparing Your PCs for Network Access C-3 a. Click the Add button. b. Select Client, and then click Ad d. c. Select Microsoft. d. Select File and Print Sharing for Mi crosoft Networks, and then click OK.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-4 Preparing Your PCs for Network Access V erify the following settings as shown: • Client for Microsoft Network exists • Ethernet adapter is present • TCP/IP is present • Primary Network Logon is set to W indows logon Click on the Properties button.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Preparing Your PCs for Network Access C-5 Selecting Windows’ In ternet Access Method 1. On the W indows taskbar , click the Start button, point to Settings, and th en click Control Panel.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-6 Preparing Your PCs for Network Access 2. Ty p e winipcfg , and then click OK. The IP Configuration window opens, which lists (a mong other things), your IP address, subnet mask, and default gateway .
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Preparing Your PCs for Network Access C-7 DHCP Configuration of TCP /IP in Windows XP or 2000 Y ou will find there are many similarities in th e procedures for different W indows systems when using DHCP to configure TCP/IP .
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-8 Preparing Your PCs for Network Access Now you should be at the Local Area Network Connection S tatus window . This box displays the conn ection status, duration, speed, a nd activity statistics.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Preparing Your PCs for Network Access C-9 DHCP Configuration of TC P/IP in Windows 2000 After you install a network card, TCP /IP for W indows 2000 is configured and set to DHCP without your having to configure it.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-10 Preparing Your PCs for Network Acce ss The Local Area Connection Pr operties dialog box app ears.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Preparing Your PCs for Network Acce ss C-1 1 V erifying TCP/IP Properti es for Windows XP or 2000 T o check your PC’ s TCP/IP configuration: 1. On the W indows taskbar , click the S tart button, and then click Run.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 C-12 Preparing Your PCs for Network Acce ss.
Glossary 1 Glossary Use the list below to find definitions for technical terms used in this manual. 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Ethernet over twis ted pair wiring.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 2 Glossary Domain Name A descriptive name for an addr ess or group of addresse s on the Internet. Domain na mes are of the form of a registered entity name plus one of a nu mber of predefined top level suffixes such as .
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Glossary 3 Like UDP/IP , IPX is a datagram proto col used for connectionless communications. Higher-level protocols, such as SPX and NCP , are used for additional error recovery services.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 4 Glossary router A device that forwards data between networks. An IP r outer forwards data b ased on IP sou rce and destination addresses.
User Manual for the NETGEAR 54 M bps Wireless USB 2.0 Adapter WG121 Glossary 5 wide area network W AN. A lo ng distance link used to extend or connect re motely located local area ne tworks. The Internet is a large W AN. Wi-F i A trade name for the 802.
User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121 6 Glossary.
Index 1 Numerics 802.1 1b 1 A ad-hoc mode 2 B BSSID 2 E ESSID 2 F features 1 I infrastructure mode 2 IP networking for W i ndows 1 , 6 L LEDs description 7 , 11 , 12 O Open System authenticat ion 2 S .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il NETGEAR WG121 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del NETGEAR WG121 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso NETGEAR WG121 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul NETGEAR WG121 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il NETGEAR WG121, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del NETGEAR WG121.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il NETGEAR WG121. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo NETGEAR WG121 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
