ZyXEL NWD2205 Manual do Utilizador Página 1

www.zyxel.comwww.zyxel.comNWD2205Wireless N USB AdapterCopyright © 2010 ZyXEL Communications CorporationVersion 1.8.1Edition 1, 09/2010

Contents OverviewNWD2205 User’s Guide10

Table of ContentsNWD2205 User’s Guide11Table of ContentsAbout This User's Guide...

Table of ContentsNWD2205 User’s Guide123.1 Overview ...

NWD2205 User’s Guide13CHAPTER 1 Getting Started1.1 OverviewThe ZyXEL NWD2205 wireless N USB adapter brings you a better Internet experience over ex

Chapter 1 Getting StartedNWD2205 User’s Guide141.2 FeaturesYour NWD2205 is an IEEE 802.11n 2.0 compliant wireless LAN adapter. It can also connect to

Chapter 1 Getting StartedNWD2205 User’s Guide151.3 Software InstallationThis section shows you how to install the Mac OS X version of the ZyXEL Util

Chapter 1 Getting StartedNWD2205 User’s Guide164 Open the folder for your version of Mac OS X on the included disc. For example, if you are using 10.4

Chapter 1 Getting StartedNWD2205 User’s Guide176 When you see the Select a Destination screen, select a destination (this must be on an actual physic

Chapter 1 Getting StartedNWD2205 User’s Guide188 You then see a screen telling you that you must restart the computer after the installation completes

Chapter 1 Getting StartedNWD2205 User’s Guide1910 Once your computer restarts, you can find the ZyXEL utility in your Applications folder.11 The ZyXE

Chapter 1 Getting StartedNWD2205 User’s Guide202 Double-click your Macintosh OS’s driver folder on the included disc. Double-click the file Uninstall.

Chapter 1 Getting StartedNWD2205 User’s Guide211.4 Hardware InstallationThis sections shows you how to install your NWD2205.1 Locate an available US

Chapter 1 Getting StartedNWD2205 User’s Guide221.5 Device ApplicationsThis section describes some network applications for the NWD2205. You can eithe

Chapter 1 Getting StartedNWD2205 User’s Guide23Ad-Hoc To set up a small independent wireless workgroup without an AP, use Ad-Hoc.Ad-Hoc does not requ

Chapter 1 Getting StartedNWD2205 User’s Guide24

NWD2205 User’s Guide25CHAPTER 2 Wireless LANs2.1 OverviewThis section provides background information on wireless Local Area Networks.2.1.1 What Yo

Chapter 2 Wireless LANsNWD2205 User’s Guide26EncryptionThe process of taking data and encoding it, usually using a mathematical formula, so that it be

Chapter 2 Wireless LANsNWD2205 User’s Guide27• If two wireless networks overlap, they should use a different channel.Like radio stations or televisio

Chapter 2 Wireless LANsNWD2205 User’s Guide28• Automatic WEP key generation based on a “password phrase” called a passphrase. The passphrase is case s

Chapter 2 Wireless LANsNWD2205 User’s Guide29For EAP-TLS authentication type, you must first have a wired connection to the network and obtain the ce

About This User's GuideNWD2205 User’s Guide3About This User's GuideIntended AudienceThis manual is intended for people who want to configu

Chapter 2 Wireless LANsNWD2205 User’s Guide30Depending on the devices you have, you can either press a button (on the device itself, or in its configu

Chapter 2 Wireless LANsNWD2205 User’s Guide31When you use the PIN method, you must enter the PIN from one device (usually the wireless client) into t

Chapter 2 Wireless LANsNWD2205 User’s Guide32The following figure shows a WPS-enabled wireless client (installed in a notebook computer) connecting to

Chapter 2 Wireless LANsNWD2205 User’s Guide33already part of a network, it sends the existing information. If not, it generates the SSID and WPA(2)-P

Chapter 2 Wireless LANsNWD2205 User’s Guide34subsequent WPS connections in which it is involved. If you want a configured AP to act as an enrollee, yo

Chapter 2 Wireless LANsNWD2205 User’s Guide35In step 3, you add another access point (AP2) to your network. AP2 is out of range of AP1, so you cannot

Chapter 2 Wireless LANsNWD2205 User’s Guide36• WPS works only with other WPS-enabled devices. However, you can still add non-WPS devices to a network

NWD2205 User’s Guide37CHAPTER 3 ZyXEL Utility - Mac OS X3.1 OverviewThis chapter shows you how to use the ZyXEL utility to configure your NWD2205 us

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide38Wi-Fi Protected Access (WPA)The WPA protocol affords users with vastly stronger security than

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide393.3 The Link Status Screen This screen allows you to view the status of the NWD2205’s wirele

About This User's GuideNWD2205 User’s Guide4Thank you!The Technical Writing Team, ZyXEL Communications Corp.,6 Innovation Road II, Science-Based

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide40The following table describes the labels in this screen. 3.4 The Profile Screen A profile is

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide41This screen allows you to configure and manage wireless profiles.Figure 12 ZyXEL Utility: P

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide423.4.1 The Profile Properties ScreenThis screen allows you to create a new profile or edit an

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide43Network Authentication Select the security standard you want to use. All the other wireless d

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide443.5 The Available Network Screen This screen allows you to view available networks and connec

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide453.6 The Advanced Setting Screen This screen allows you to configure advanced network setting

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide463.7 The WPS ScreenThis screen allows you to configure the NWD2205’s Wi-Fi Protected Security

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide47Security This field indicates the type of authentication and encryption required by the AP.BS

Chapter 3 ZyXEL Utility - Mac OS XNWD2205 User’s Guide483.8 The Information Screen This screen shows you the driver, utility version of your NWD2205.

NWD2205 User’s Guide49CHAPTER 4 Troubleshooting4.1 OverviewThis chapter offers some suggestions to solve problems you might encounter. The potential

Document ConventionsNWD2205 User’s Guide5Document ConventionsWarnings and NotesThese are how warnings and notes are shown in this User’s Guide. Warni

Chapter 4 TroubleshootingNWD2205 User’s Guide504 If the problem continues, contact the vendor.4.3 Accessing the ZyXEL UtilityI cannot access the ZyXE

Chapter 4 TroubleshootingNWD2205 User’s Guide514.5 Problems Communicating with Other ComputersThe computer with the NWD2205 installed cannot communi

Chapter 4 TroubleshootingNWD2205 User’s Guide52

NWD2205 User’s Guide53CHAPTER 5 Product SpecificationsTable 11 Product Specifications PHYSICAL AND ENVIRONMENTALProduct Name NWD2205 Wireless N US

Chapter 5 Product SpecificationsNWD2205 User’s Guide54FCC and NCC RF Output Power802.11b: 18.1 dBm 802.11g: 24.5 dBm802.11n: @ HT20: 28.3 dBm@ HT40: 2

Chapter 5 Product SpecificationsNWD2205 User’s Guide55Approvals SafetyEuropean Union: EN60950 (CE-LVD)EMIUnited States: FCC Part 15B Class BCanada: I

Chapter 5 Product SpecificationsNWD2205 User’s Guide56

NWD2205 User’s Guide57APPENDIX A Wireless LANsThis appendix discusses ad-hoc and infrastructure wireless LAN topologies.Ad-hoc Wireless LAN Configura

Appendix A Wireless LANsNWD2205 User’s Guide58BSSA Basic Service Set (BSS) exists when all communications between wireless clients or between a wirele

Appendix A Wireless LANsNWD2205 User’s Guide59ESSAn Extended Service Set (ESS) consists of a series of overlapping BSSs, each containing an access po

Document ConventionsNWD2205 User’s Guide6Icons Used in FiguresFigures in this User’s Guide may use the following generic icons. Wireless Access Point

Appendix A Wireless LANsNWD2205 User’s Guide60adjacent AP is using. For example, if your region has 11 channels and an adjacent AP is using channel 1,

Appendix A Wireless LANsNWD2205 User’s Guide61If the RTS/CTS value is greater than the Fragmentation Threshold value (see next), then the RTS (Reques

Appendix A Wireless LANsNWD2205 User’s Guide62IEEE 802.11g Wireless LANIEEE 802.11g is fully compatible with the IEEE 802.11b standard. This means an

Appendix A Wireless LANsNWD2205 User’s Guide63Note: You must enable the same wireless security settings on the NWD2205 and on all wireless clients th

Appendix A Wireless LANsNWD2205 User’s Guide64• Access-RejectSent by a RADIUS server rejecting access.• Access-AcceptSent by a RADIUS server allowing

Appendix A Wireless LANsNWD2205 User’s Guide65EAP-MD5 (Message-Digest Algorithm 5)MD5 authentication is the simplest one-way authentication method. T

Appendix A Wireless LANsNWD2205 User’s Guide66LEAPLEAP (Lightweight Extensible Authentication Protocol) is a Cisco implementation of IEEE 802.1x. Dyna

Appendix A Wireless LANsNWD2205 User’s Guide67If both an AP and the wireless clients support WPA2 and you have an external RADIUS server, use WPA2 fo

Appendix A Wireless LANsNWD2205 User’s Guide68The encryption mechanisms used for WPA(2) and WPA(2)-PSK are the same. The only difference between the t

Appendix A Wireless LANsNWD2205 User’s Guide692 The RADIUS server then checks the user's identification against its database and grants or denie

Safety WarningsNWD2205 User’s Guide7Safety Warnings• Do NOT use this product near water, for example, in a wet basement or near a swimming pool.• Do

Appendix A Wireless LANsNWD2205 User’s Guide704 The AP and wireless clients use the TKIP or AES encryption process, the PMK and information exchanged

Appendix A Wireless LANsNWD2205 User’s Guide71Antenna OverviewAn antenna couples RF signals onto air. A transmitter within a wireless device sends an

Appendix A Wireless LANsNWD2205 User’s Guide72• Omni-directional antennas send the RF signal out in all directions on a horizontal plane. The coverage

NWD2205 User’s Guide73APPENDIX B Legal InformationCopyrightCopyright © 2010 by ZyXEL Communications Corporation.The contents of this publication may

Appendix B Legal InformationNWD2205 User’s Guide74This device has been tested and found to comply with the limits for a Class B digital device pursuan

Appendix B Legal InformationNWD2205 User’s Guide75FCC Caution: Any changes or modifications not expressly approved by the party responsible for compl

Appendix B Legal InformationNWD2205 User’s Guide76Notices Changes or modifications not expressly approved by the party responsible for compliance coul

Appendix B Legal InformationNWD2205 User’s Guide77including any implied warranty of merchantability or fitness for a particular use or purpose. ZyXEL

Appendix B Legal InformationNWD2205 User’s Guide78

IndexNWD2205 User’s Guide79IndexAabout your ZyXEL Device 14Access Point (AP) 26Access point (AP) 26Access Point. See also AP.ACT LED 14Ad-Hoc 23Advanc

Safety WarningsNWD2205 User’s Guide8

IndexNWD2205 User’s Guide80Hhidden node 60humidity 53IIBSS 57IEEE 802.11g 62IEEE 802.1x 28Independent Basic Service SetSee IBSS 57infrastructure 22Ini

IndexNWD2205 User’s Guide81Uuser authentication 27Wwarranty 76note 76weight 53WEP 27automatic setup 28manual setup 28passphrase 28WEP (Wired Equivalen

IndexNWD2205 User’s Guide82

Contents OverviewNWD2205 User’s Guide9Contents OverviewIntroduction and Configuration ................