Manuale d’uso / di manutenzione del prodotto WET11 del fabbricante Linksys
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A Division of Cisco Systems, Inc. ® Model No. Ethernet Bridge Wireless- B WET11 User Guide WIRELESS GH z 2.4 802.11b.
Wireless-B Ethernet Bridge Copyright and Trademarks Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2003 Cisco System s, Inc.
Wireless-B Ethernet Bridge Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Planning Your Wireless Network 4 Network Topology 4 Ad-Hoc versus Infrastructure M.
Wireless-B Ethernet Bridge Appendix F: Specifications 40 Appendix G: Warranty Information 42 Appendix H: Regulatory Information 43 Appendix I: Contact Infor mation 46.
Wireless-B Ethernet Bridge List of Figures Figure 2-1: Infrastructure Mode 4 Figure 2-2: Ad-Hoc Mode 5 Figure 2-3: Wireless Bridging Using Two Bridges 5 Figure 3-1: Back Panel 6 Figure 3-2: Front Pane.
1 Chapter 1: Introductio n Welcome Wireless-B Ethernet Bridge Chapter 1: Introduction Welcome Thank you for choosing the Wireless-B Ethernet Bridge. The versatile Wireless-B Etherne t Bridge can make any wired Ethernet-equipped device a part of your wireless netw ork.
2 Chapter 1: Introductio n What’s in this Guide? Wireless-B Ethernet Bridge What’s in this Guide? This user guide covers the steps for sett ing up and using the Wireless-B Ethernet Bridge. • Chapter 1: Introduction This chapter describes the Wireless-B Ethern et Bridge applications and this user guide.
3 Chapter 1: Introductio n What’s in this Guide? Wireless-B Ethernet Bridge • Appendix F: Specifications This appendix provides the technical specifications for the Bridge. • Appendix G: Warranty Information This appendix supplies the warranty information for the Bridge.
4 Chapter 2: Planning Your Wireless Network Network Topology Wireless-B Ethernet Bridge Chapter 2: Planning Your Wireless Network Network Topology A wireless local area network (WLAN) is exactly like a regular local area network ( LAN), except that each computer in the WLAN uses a wireless device to connect to the network.
5 Chapter 2: Planning Your Wireless Network Ad-Hoc versus Infrastructure Mode Wireless-B Ethernet Bridge With these, and many other, Linksys products, your ne twor king options are limitless. Go to the Linksys website at www.linksys.com for more information about products that work with the Wireless-B Ethernet Bridge.
6 Chapter 3: Getting to Know the Wireless-B Ethern et Bridge The Back Panel Wireless-B Ethernet Bridge Chapter 3: Getting to Know the Wireless-B Ethernet Bridge The Back Panel All connections to the Bridge are made th rough the ports in its back panel, shown in Figure 3-1.
7 Chapter 3: Getting to Know the Wireless-B Ethern et Bridge The Front Panel Wireless-B Ethernet Bridge The Front Panel Network activity with the Bridge is shown on the LEDs, show n in Figure 3-2. PWR Green. The PWR LED will light up when the Bridge is po wered on.
8 Chapter 4: Connecting the Wireless-B Ethernet Bridge for Setup Wireless-B Ethernet Bridge Chapter 4: Connecting the Wireless-B Ethernet Bridge for Setup 1. Attach the Bridge’s antenna. 2. Plug the included Ethernet network cable into the LAN port on the back panel of the Bridge, shown in Figu re 4-1.
9 Chapter 5: Setting Up the Wireless-B Ethernet Bridge Overview Wireless-B Ethernet Bridge Chapter 5: Setting Up the Wireless-B Ethernet Bridge Overview Now that you’ve connected the Wireless-B Ethernet Bridge to your wired network, you are ready to set it up.
10 Chapter 5: Setting Up the Wireless-B Ethernet Bridge Setup Wizard Wireless-B Ethernet Bridge 4. The screen shown in Figure 5-3 displays a list of Wireless- B Ethernet Bridges on your network, along with the status information for each Bridge. (If you have only one Bridge on your network, it will be the only one displayed.
11 Chapter 5: Setting Up the Wireless-B Ethernet Bridge Setup Wizard Wireless-B Ethernet Bridge 7. The Wireless Settings screen, shown in Figure 5-6, will now appear. Enter your wireless netwo rk’s SSID. If you chose Ad-Hoc mode, select the channel at which the network broadcasts its wireless signal.
12 Chapter 5: Setting Up the Wireless-B Ethernet Bridge Setup Wizard Wireless-B Ethernet Bridge or fewer alphanumeric characters. It must match the passphrase of your wireless network and is compatible with Linksys wireless products only. (You will have to enter the WEP key(s) m anually on any non-Linksys wireless products.
13 Chapter 6: Connecting the Wireless-B Ethernet Bridge for Network Use Wireless-B Ethernet Bridge Chapter 6: Connecting the Wireless-B Ethernet Bridge for Network Use 1. After configuration, unplug the pow er cable from t he electrical outlet, and unplug the Ethernet network cable from the PC, hub, or switch.
14 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Overview Wireless-B Ethernet Bridge Chapter 7: Using the Wireless-B Ethernet Bridge Web-based Utility Overview The Bridge is designed to function properly after configu ration using the Setup Wizard.
15 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Setup Wireless-B Ethernet Bridge Setup The Setup screen, shown in Figure 7-2, lets you configure the wired and wireless n etwork settings for the Bridge. • Firmware - The version number of the Bridge’s firm ware is displayed here.
16 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Setup Wireless-B Ethernet Bridge • WEP - To enable WEP encryption, click the Enable radio button. To increase wireless network security, using WEP encryption is strongly recommended.
17 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Password Wireless-B Ethernet Bridge • WEP Encryption - In order to use WEP encryption, select 64-B it (10 hex di git s) or 128-Bit (26 hex digits) from the drop-down menu. • Passphrase - Instead of manually entering WEP keys, you can enter a Passphrase.
18 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Advanced Wireless-B Ethernet Bridge Advanced Use the Advanced Settings screen, shown in Figure 7-6, to customize advanced wireless settings and clone a MAC address onto the Bridge. Wireless • Transmission Rate - The default setting is Auto .
19 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Status Wireless-B Ethernet Bridge Status The Status screen displays the Bridge’s current status and settings. All information is read-only. • Device Name - The name you have assigned to the Bridge is displayed here.
20 Chapter 7: Using the Wireless-B Ethernet Bridge Web -based Utility Help Wireless-B Ethernet Bridge • Link Quality - The percentage of the Bridge’s wireless signal strength is displayed here. Click the Refresh button to obtain the most up-to-date settings and statistics.
21 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Ethernet Bridge Appendix A: Troubleshooting This appendix consists of two parts: “Common Problems and So lutions” and “Frequently Asked Questions.
22 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Ethernet Bridge 4. The Bridge- en abled PC won’t comm un icate with a wirel ess-enabled P C o r printer. Perform the following steps: • Check that the wireless-enabled PC o r printer is on the same wireless network a s the PC using the Bridge.
23 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Ethernet Bridge Can I play multiplayer games with other users of the wireless network? Yes, as long as the game supports multiple players over a LAN. Refer to the game’s user guide for more information.
24 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Ethernet Bridge worldwide. This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in the hands of users around the globe.
25 Appendix B: Wireless Security A Brief Overview Wireless-B Ethernet Bridge Appendix B: Wireless Security A Brief Overview Whenever data—in the form of files, e-mails, or messages —is transmitted over your wireless n etwork, it is open to attacks.
26 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge But even WEP has its problems. WEP’s encryption algorithm is referred to as “simple”, which also means “weak”, because the technology that scrambles the wireless signal isn’t too h ard to crack for a persistent hacker.
27 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge Active Attacks Hackers use Active Attacks for three purposes: 1) st ealing data, 2) using your network, an d 3) modifying your network so it's easier to hack in the next time.
28 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge examples below, your implementation and ad ministration of network security measures is the key to maximizing wireless security. No preventative measure will guaran tee network security but it will make it more difficult for some one to hack into your network.
29 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge 5) SSID There are a few things you can do to make your SSID more secure: a. Disable broadc ast b. Make it unique c. Change it often Most wireless networking devices will give you the option of broadcasting the SSID.
30 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge PCs unprotected by a firewall router should at leas t run firewall software, and all PCs should run up-to-date antiviral software. 8) WEP Wired Equivalent Privacy (WEP) is often looked upon as a panace a for wireless security concerns.
31 Appendix B: Wireless Security What Are the Risks? Wireless-B Ethernet Bridge The solution, then, is to segment your network up into multiple groups. If your network had 80 users and you used four WEP keys, a hacker would have access to o nly ¼ of your wireless network resources.
32 Appendix C: Upgradin g Firmware Wireless-B Ethernet Bridge Appendix C: Upgrading Firmware The Bridge’s firmware is upgraded with the firm ware utility on the Linksys website at http://linksys.com/download . Firmware should be upg raded ONLY if you experience problems with the Bridge.
33 Appendi x D: Wind ows Help Wireless-B Ethernet Bridge Appendix D: Windows Help All Linksys wireless products require Microsoft Windows. Windows is the most used operatin g system in the world and comes with many features that help make networking easier.
34 Appendix E: Glossary Wireless-B Ethernet Bridge Appendix E: Glossary 802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz. 802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.
35 Appendix E: Glossary Wireless-B Ethernet Bridge Buffer - A block of memory that temporarily holds data to be worked on later when a device is currently too busy to accept the data. Cable Modem - A device th at connects a computer to the cable television network, which in turn connects to the Internet.
36 Appendix E: Glossary Wireless-B Ethernet Bridge Dynamic IP Address - A temporary IP address assigned by a DHCP server. Encryption - Encoding data to prevent it from being read by unauthorized pe ople. Ethernet - An IEEE standard network protocol that specifie s how data is placed on an d retrieved from a common transmission medium.
37 Appendix E: Glossary Wireless-B Ethernet Bridge IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec (Internet Protocol Security) - A VPN protocol used to implem ent secure exchange of packets at the IP layer.
38 Appendix E: Glossary Wireless-B Ethernet Bridge PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides a uthentication (username and password) in addition to data transport.
39 Appendix E: Glossary Wireless-B Ethernet Bridge TCP/IP (Transmission Control Protocol/Internet Protocol) - A network protocol for transmitting data that requires acknowledgement from the recipient of data sent. Telnet - A user command and TCP/IP protocol used for accessing remote PCs.
40 Appendix F: Specifications Wireless-B Ethernet Bridge Appendix F: Specifications Model WET11 Standards IEEE 802.11b, IEEE 802.3 Ports One 10BaseT RJ-45 port, Power port Buttons MDI/MDI-X slid e swi.
41 Appendix F: Specifications Wireless-B Ethernet Bridge Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing Warranty 1 Year Limited.
42 Appendix G: Warranty Information Wireless-B Ethernet Bridge Appendix G: Warranty Information LIMITED WARRANTY Linksys warrants to the original end user purchaser (“You”) t hat, for a period of one year, (the “Warranty Period”) Your Linksys product will be free of defects in materials and workmanship un der normal use.
43 Appendix H: Regulatory Inf ormation Wireless-B Ethernet Bridge Appendix H: Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules.
44 Appendix H: Regulatory Inf ormation Wireless-B Ethernet Bridge INDUSTRY CANADA (C ANADA) This Class B digital apparatus complies with Canadian ICES-003.
45 Appendix H: Regulatory Inf ormation Wireless-B Ethernet Bridge • France F: 2.4 GHz Bande : les canaux 10, 11, 12, 13 (2457, 2462, 2467, et 2472 MHz respectivement) sont complétement libres d'utilisation en France (en utilisation in térieur).
46 Appendix I: Contact Informa tion Wireless-B Ethernet Bridge Appendix I: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www.linksys.com or ftp.linksys.
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 Linksys WET11 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 Linksys WET11 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Linksys WET11 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Linksys WET11 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Linksys WET11, 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 Linksys WET11.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Linksys WET11. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Linksys WET11 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.
