ZyXEL Communications N220 - V1.0 Uživatelská příručka

www.zyxel.comwww.zyxel.comN220Wireless N-lite USB AdapterCopyright © 2010 ZyXEL Communications CorporationVersion 1.0Edition 1, 07/2010

Contents OverviewN220 User’s Guide10

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N220 User’s Guide101APPENDIX A Setting Up Your Computer’s IPAddressNote: Your specific N220 may not support all of the operating systems described in

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1021 Click Start > Control Panel.Figure 64 Windows XP: Start Menu2 In the Contro

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1033 Right-click Local Area Connection and then select Properties.Figure 66 Window

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1045 The Internet Protocol TCP/IP Properties window opens.Figure 68 Windows XP: Int

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1052 In the Command Prompt window, type "ipconfig" and then press [ENTER].

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1063 Click the Network and Sharing Center icon.Figure 71 Windows Vista: Network And

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1076 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties.Figure

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1087 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens.Figure 75 W

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1092 In the Command Prompt window, type "ipconfig" and then press [ENTER].

Table of ContentsN220 User’s Guide11Table of ContentsAbout This User's Guide...

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1103 Click Change adapter settings.Figure 78 Windows 7: Network And Sharing Center4

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1115 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties.Figure

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1126 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens.Figure 81 W

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1133 The IP settings are displayed as follows.Figure 82 Windows 7: Internet Protoc

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1142 In the System Preferences window, click the Network icon.Figure 84 Mac OS X 10

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1154 For dynamically assigned settings, select Using DHCP from the Configure IPv4 li

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide116•In the Router field, type the IP address of your device.Figure 87 Mac OS X 10.4

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide117Mac OS X: 10.5 and 10.6The screens in this section are from Mac OS X 10.5 but can

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1183 When the Network preferences pane opens, select Ethernet from the list of availa

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide119•In the Router field, enter the IP address of your N220.Figure 92 Mac OS X 10.5

Table of ContentsN220 User’s Guide122.3.1 Manually Connecting to a Wireless LAN ... 2

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide120Verifying SettingsCheck your TCP/IP properties by clicking Applications > Utili

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1211 Click System > Administration > Network.Figure 94 Ubuntu 8: System >

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1223 In the Authenticate window, enter your admin account name and password then clic

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1235 The Properties dialog box opens.Figure 98 Ubuntu 8: Network Settings > Pro

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1247 If you know your DNS server IP address(es), click the DNS tab in the Network Set

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide125tab. The Interface Statistics column shows data if your connection is working pr

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1261 Click K Menu > Computer > Administrator Settings (YaST).Figure 101 openS

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1273 When the YaST Control Center window opens, select Network Devices and then clic

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1285 When the Network Card Setup window opens, click the Address tabFigure 105 open

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide1298 If you know your DNS server IP address(es), click the Hostname/DNS tab in Netwo

Table of ContentsN220 User’s Guide135.1 Overview ...

Appendix A Setting Up Your Computer’s IP AddressN220 User’s Guide130Verifying SettingsClick the KNetwork Manager icon on the Task bar to check your TC

N220 User’s Guide131APPENDIX B Wireless LANsWireless LAN TopologiesThis section discusses ad-hoc and infrastructure wireless LAN topologies.Ad-hoc Wi

Appendix B Wireless LANsN220 User’s Guide132with each other. When Intra-BSS is disabled, wireless client A and B can still access the wired network bu

Appendix B Wireless LANsN220 User’s Guide133An ESSID (ESS IDentification) uniquely identifies each ESS. All access points and their associated wirele

Appendix B Wireless LANsN220 User’s Guide134hidden node. Both stations (STA) are within range of the access point (AP) or wireless gateway, but out-of

Appendix B Wireless LANsN220 User’s Guide135Fragmentation ThresholdA Fragmentation Threshold is the maximum data fragment size (between 256 and 2432

Appendix B Wireless LANsN220 User’s Guide136several intermediate rate steps between the maximum and minimum data rates. The IEEE 802.11g data rate and

Appendix B Wireless LANsN220 User’s Guide137IEEE 802.1xIn June 2001, the IEEE 802.1x standard was designed to extend the features of IEEE 802.11 to s

Appendix B Wireless LANsN220 User’s Guide138• Access-ChallengeSent by a RADIUS server requesting more information in order to allow access. The access

Appendix B Wireless LANsN220 User’s Guide139However, MD5 authentication has some weaknesses. Since the authentication server needs to get the plainte

Table of ContentsN220 User’s Guide14Appendix E Legal Information ...

Appendix B Wireless LANsN220 User’s Guide140Dynamic WEP Key ExchangeThe AP maps a unique key that is generated with the RADIUS server. This key expire

Appendix B Wireless LANsN220 User’s Guide141If the AP or the wireless clients do not support WPA2, just use WPA or WPA-PSK depending on whether you h

Appendix B Wireless LANsN220 User’s Guide142keys. This prevent all wireless devices sharing the same encryption keys. (a weakness of WEP)User Authenti

Appendix B Wireless LANsN220 User’s Guide1434 The RADIUS server distributes the PMK to the AP. The AP then sets up a key hierarchy and management sys

Appendix B Wireless LANsN220 User’s Guide1444 The AP and wireless clients use the TKIP or AES encryption process, the PMK and information exchanged in

Appendix B Wireless LANsN220 User’s Guide145Antenna OverviewAn antenna couples RF signals onto air. A transmitter within a wireless device sends an R

Appendix B Wireless LANsN220 User’s Guide146• Omni-directional antennas send the RF signal out in all directions on a horizontal plane. The coverage a

N220 User’s Guide147APPENDIX C Windows Wireless ManagementThis appendix shows you how to manage your N220 using the Windows Vista and Windows XP wire

Appendix C Windows Wireless ManagementN220 User’s Guide148Connecting to a Wireless Network1 In the Windows Vista taskbar, click Start () > Connect

Appendix C Windows Wireless ManagementN220 User’s Guide149Figure 117 Vista: Additional Information2 Double-click the network’s name to join the net

15PART IIntroduction and ConfigurationGetting Started (17)Tutorial (23)Wireless LANs (37)Station Mode (49)AP Mode (75)Maintenance (85)

Appendix C Windows Wireless ManagementN220 User’s Guide1503 If security is enabled, you may be prompted to enter your security key. Figure 118 Vista

Appendix C Windows Wireless ManagementN220 User’s Guide151Figure 120 Vista: Successful Connection4 If you will use this network again, ensure that

Appendix C Windows Wireless ManagementN220 User’s Guide1521 Click Set up a connection or network at the bottom of the Connect to screen. The following

Appendix C Windows Wireless ManagementN220 User’s Guide1532 Click Manually connect to a wireless network. The following screen displays.Figure 122

Appendix C Windows Wireless ManagementN220 User’s Guide1543 When you have finished filling in the fields, click Next. the following screen displays.Fi

Appendix C Windows Wireless ManagementN220 User’s Guide1551 Click Start () > Connect To. In the Connect to screen, click Set up a connection or ne

Appendix C Windows Wireless ManagementN220 User’s Guide1564 Enter the Security key/Passphrase. Everybody on the network must enter this key in their c

Appendix C Windows Wireless ManagementN220 User’s Guide157Activating Wireless Zero Configuration1 Click Start, Control Panel and double-click Network

Appendix C Windows Wireless ManagementN220 User’s Guide1584 The Wireless Network Connection Properties screen displays. Click the Wireless Networks ta

Appendix C Windows Wireless ManagementN220 User’s Guide159If you see the following screen, refer to article 871122 on the Microsoft web site for info

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Appendix C Windows Wireless ManagementN220 User’s Guide1602 Windows XP SP2: In the Wireless Network Connection Status screen, click View Wireless Netw

Appendix C Windows Wireless ManagementN220 User’s Guide1613 Windows XP SP2: Click Refresh network list to reload and search for available wireless de

Appendix C Windows Wireless ManagementN220 User’s Guide162Figure 136 Windows XP SP1: Wireless Network Connection Properties4 4.Windows XP SP2: If th

Appendix C Windows Wireless ManagementN220 User’s Guide163security settings for more information. Otherwise click Cancel and connect to another wirel

Appendix C Windows Wireless ManagementN220 User’s Guide164AssociationSelect a network in the Preferred networks list and click Properties to view or c

Appendix C Windows Wireless ManagementN220 User’s Guide165AuthenticationClick the Authentication tab in the Wireless (network) properties screen to d

Appendix C Windows Wireless ManagementN220 User’s Guide166Authentication PropertiesSelect an EAP authentication type in the Wireless (network) propert

Appendix C Windows Wireless ManagementN220 User’s Guide167The following table describes the labels in this screen.Table 38 Windows XP: Protected EA

Appendix C Windows Wireless ManagementN220 User’s Guide168Smart Card or other Certificate PropertiesFigure 142 Windows XP: Smart Card or other Certi

Appendix C Windows Wireless ManagementN220 User’s Guide169Ordering the Preferred NetworksFollow the steps below to manage your preferred networks.

N220 User’s Guide17CHAPTER 1 Getting Started1.1 OverviewThe ZyXEL N220 wireless N-lite USB adapter brings you a better Internet experience over exi

Appendix C Windows Wireless ManagementN220 User’s Guide1701 Windows XP SP2: Click Change the order of preferred networks in the Wireless Network Conne

Appendix C Windows Wireless ManagementN220 User’s Guide1712 Whenever the N220 tries to connect to a new network, the new network is added in the Pref

Appendix C Windows Wireless ManagementN220 User’s Guide172

N220 User’s Guide173APPENDIX D Wireless for Windows 7Follow these steps to connect to a wireless network for a computer with the Windows 7 Operating

Appendix D Wireless for Windows 7N220 User’s Guide1742 In the Control Panel, click View network status and tasks under the Network and Internet catego

Appendix D Wireless for Windows 7N220 User’s Guide175A progress indicator appears. Figure 149 Windows 7: Enabling the Wireless Network ConnectionWh

Appendix D Wireless for Windows 7N220 User’s Guide1762 Select a wireless network and click Connect. Figure 151 Windows 7: Connect to the Wireless Ne

Appendix D Wireless for Windows 7N220 User’s Guide177Verifying the SettingsOpen a web browser and try to access a website, such as www.zyxel.com. Add

Appendix D Wireless for Windows 7N220 User’s Guide1783 Check the Connections under View you active networks. If the wireless network name displays and

N220 User’s Guide179APPENDIX E Legal InformationCopyrightCopyright © 2010 by ZyXEL Communications Corporation.The contents of this publication may no

Chapter 1 Getting StartedN220 User’s Guide18Ad-HocAn Ad-Hoc wireless LAN is a self-contained group of computers connected wirelessly and which is inde

Appendix E Legal InformationN220 User’s Guide180This device has been tested and found to comply with the limits for a Class B digital device pursuant

Appendix E Legal InformationN220 User’s Guide181Industry Canada StatementThis device complies with RSS-210 of the Industry Canada Rules. Operation is

Appendix E Legal InformationN220 User’s Guide182This Class B digital apparatus complies with Canadian ICES-003. Operation is subject to the following

IndexN220 User’s Guide183IndexAAbout 86about your ZyXEL Device 18Access Point (AP) 38Access point (AP) 38Access Point. See also AP.ACT LED 19activatin

IndexN220 User’s Guide184dynamic WEP key exchange 140EEAP (Extensible Authentication Protocol) 40EAP Authentication 138EAP authentication 41EAP type 7

IndexN220 User’s Guide185Oonline help 22Output power 78Ppacket collisions 52Pairwise Master Key (PMK) 141, 143passphrase 40, 56, 80password 40PEAP 71,

IndexN220 User’s Guide186transmission rate 51, 63transmit key 56, 80transmit rate 52trend chart 52, 53TTLS 71Uuninstalling the ZyXEL utility 86upgradi

IndexN220 User’s Guide187accessing 21driver version number 86exiting 21help 22reactivating 21status 21system tray icon 20upgrading 87version number 86

Chapter 1 Getting StartedN220 User’s Guide19The following table describes the operation of the N220’s LEDs.1.3 Application OverviewThis section desc

Chapter 1 Getting StartedN220 User’s Guide201.3.2 Ad-Hoc To set up a small independent wireless workgroup without an AP, use Ad-Hoc (see Chapter 4 on

Chapter 1 Getting StartedN220 User’s Guide21The color of the ZyXEL utility system tray icon indicates the status of the N220. Refer to the following

Chapter 1 Getting StartedN220 User’s Guide22The ZyXEL utility screens are similar in all Microsoft Windows versions. Screens for Windows XP are shown

N220 User’s Guide23CHAPTER 2 Tutorial2.1 OverviewThis tutorial shows you how to join a wireless infrastructure network using the ZyXEL utility. The

Chapter 2 TutorialN220 User’s Guide242.1.3 Before You Begin• Make sure that you have already familiarized yourself with the N220’s features and hardw

Chapter 2 TutorialN220 User’s Guide25The AP sends the proper configuration settings to the N220. This may take up to two minutes. Then the N220 is ab

Chapter 2 TutorialN220 User’s Guide263 Click the Start buttons on both the N220 utility screen and the AP’s configuration utility (the WPS Station scr

Chapter 2 TutorialN220 User’s Guide27The following figure shows you the example of configuring the wireless network and security on the N220 and the

Chapter 2 TutorialN220 User’s Guide28Figure 8 Example WPS Process: PIN MethodAuthentication by PINSECURITY INFOWITHIN 2 MINUTESCOMMUNICATIONYouAP

Chapter 2 TutorialN220 User’s Guide292.3 Connecting to an AP Without Using WPSThere are three ways to connect the wireless client (the N220) to a ne

About This User's GuideN220 User’s Guide3About This User's GuideIntended AudienceThis manual is intended for people who want to configure

Chapter 2 TutorialN220 User’s Guide303 To connect to an AP or peer computer, either click an entry in the list and then click Connect or double-click

Chapter 2 TutorialN220 User’s Guide316 The ZyXEL utility returns to the Link Info screen while it connects to the wireless network using your setting

Chapter 2 TutorialN220 User’s Guide321 Open the ZyXEL utility and click the Profile tab to open the screen as shown. Click Add to configure a new prof

Chapter 2 TutorialN220 User’s Guide334 Choose the same encryption method as the AP to which you want to connect (In this example, WPA-PSK).Figure 15

Chapter 2 TutorialN220 User’s Guide347 Click Activate Now to use the new profile immediately. Otherwise, click the Activate Later button to go back to

Chapter 2 TutorialN220 User’s Guide351 Select AP Mode in the main ZyXEL Utility screen. The AP Mode version of the default Link Info screen displays.

Chapter 2 TutorialN220 User’s Guide36

N220 User’s Guide37CHAPTER 3 Wireless LANs3.1 OverviewThis section provides background information on wireless Local Area Networks.3.1.1 What You C

Chapter 3 Wireless LANsN220 User’s Guide38EncryptionThe process of taking data and encoding it, usually using a mathematical formula, so that it becom

Chapter 3 Wireless LANsN220 User’s Guide39• If two wireless networks overlap, they should use a different channel.Like radio stations or television c

About This User's GuideN220 User’s Guide4Customer SupportShould problems arise that cannot be solved by using this manual, please contact your ve

Chapter 3 Wireless LANsN220 User’s Guide40• Automatic WEP key generation based on a “password phrase” called a passphrase. The passphrase is case sens

Chapter 3 Wireless LANsN220 User’s Guide41For EAP-TLS authentication type, you must first have a wired connection to the network and obtain the certi

Chapter 3 Wireless LANsN220 User’s Guide42Depending on the devices you have, you can either press a button (on the device itself, or in its configurat

Chapter 3 Wireless LANsN220 User’s Guide43need to log into the configuration interfaces of both devices to use the PIN method.When you use the PIN me

Chapter 3 Wireless LANsN220 User’s Guide44The following figure shows a WPS-enabled wireless client (installed in a notebook computer) connecting to th

Chapter 3 Wireless LANsN220 User’s Guide45already part of a network, it sends the existing information. If not, it generates the SSID and WPA(2)-PSK

Chapter 3 Wireless LANsN220 User’s Guide46subsequent WPS connections in which it is involved. If you want a configured AP to act as an enrollee, you m

Chapter 3 Wireless LANsN220 User’s Guide47In step 3, you add another access point (AP2) to your network. AP2 is out of range of AP1, so you cannot us

Chapter 3 Wireless LANsN220 User’s Guide48configuration interface of the registrar device to discover the key the network is using (if the device supp

N220 User’s Guide49CHAPTER 4 Station Mode4.1 OverviewThis section shows you how to configure your N220 using the ZyXEL utility in Windows.Note: Some

Document ConventionsN220 User’s Guide5Document ConventionsWarnings and NotesThese are how warnings and notes are shown in this User’s Guide. Warnings

Chapter 4 Station ModeN220 User’s Guide50Message Integrity Check (MIC) and IEEE 802.1x. WPA uses Advanced Encryption Standard (AES) in the Counter mod

Chapter 4 Station ModeN220 User’s Guide514.3 The Link Info Screen When the ZyXEL utility starts, the Link Info screen displays, showing the current

Chapter 4 Station ModeN220 User’s Guide52Receive SpeedThis field displays the current receive speed of the N220 in megabits per second (Mbps).Security

Chapter 4 Station ModeN220 User’s Guide534.3.1 Trend Chart Click Trend Chart in the Link Info screen to display a screen as shown below. Use this sc

Chapter 4 Station ModeN220 User’s Guide544.4 The Site Survey Screen Use the Site Survey screen to scan for and connect to a wireless network automat

Chapter 4 Station ModeN220 User’s Guide554.4.1 Security Settings When you configure the N220 to connect to a network with wireless security activate

Chapter 4 Station ModeN220 User’s Guide564.4.1.2 WEP EncryptionConfigure WEP security in this screen. Figure 33 Security Setting: WEP The followin

Chapter 4 Station ModeN220 User’s Guide574.4.1.3 WPA-PSK/WPA2-PSKConfigure WPA-PSK/WPA2-PSK security in this screen.Note: The procedure to configure

Chapter 4 Station ModeN220 User’s Guide58The following table describes the labels in this screen. 4.4.1.4 WPA/WPA2The screen that displays when you s

Chapter 4 Station ModeN220 User’s Guide59The following table describes the labels in this screen. 4.4.1.5 IEEE 802.1xConfigure IEEE 802.1x security

Document ConventionsN220 User’s Guide6Icons Used in FiguresFigures in this User’s Guide may use the following generic icons. Wireless Access Point Com

Chapter 4 Station ModeN220 User’s Guide60Note: The procedure to configure 802.1x is different in Windows Vista. See Section 4.7 on page 71 for informa

Chapter 4 Station ModeN220 User’s Guide614.4.2 Summary ScreenUse this screen to confirm and save the security settings. Figure 37 Summary Screen T

Chapter 4 Station ModeN220 User’s Guide624.5 The Profile Screen A profile is a set of wireless parameters that you need to connect to a wireless netw

Chapter 4 Station ModeN220 User’s Guide63The following table describes the labels in this screen. 4.5.1 Adding a New ProfileFollow the steps below t

Chapter 4 Station ModeN220 User’s Guide641 Click Add in the Profile screen. An Add New Profile screen displays as shown next. Figure 39 Profile: Add

Chapter 4 Station ModeN220 User’s Guide652 If you select the Infrastructure network type in the previous screen, skip to step 3. If you select the Ad

Chapter 4 Station ModeN220 User’s Guide663 If you selected Infrastructure network type in the first screen, select WEP, WPA, WPA2, WPA-PSK, WPA2-PSK o

Chapter 4 Station ModeN220 User’s Guide675 This read-only screen shows a summary of the new profile settings. Verify that the settings are correct. C

Chapter 4 Station ModeN220 User’s Guide684.6 The Adapter Screen To set the other advanced features on the N220, click the Adapter tab. Figure 45 Ad

Chapter 4 Station ModeN220 User’s Guide694.6.1 WPS: PBC (Push Button Configuration) This screen allows you to use the WPS Push Button Configuration

Safety WarningsN220 User’s Guide7Safety Warnings• Do NOT use this product near water, for example, in a wet basement or near a swimming pool.• Do NOT

Chapter 4 Station ModeN220 User’s Guide70and PIN - Use this Device’s PIN in the Adapter screen. The following screen displays.Figure 47 WPS: PIN - U

Chapter 4 Station ModeN220 User’s Guide71PIN from the AP or Wireless Router in the Adapter screen. The following screen displays.Figure 48 WPS: PIN

Chapter 4 Station ModeN220 User’s Guide724.7.1 Using PEAP in VistaTake the following steps to set up WPA, WPA2 or 802.1x security using PEAP in Windo

Chapter 4 Station ModeN220 User’s Guide737 Click OK. The Enter Credentials screen disappears and the N220 tries to connect to the network. The ZyXEL

Chapter 4 Station ModeN220 User’s Guide747 Click OK. The Select Certificate screen disappears and the N220 tries to connect to the network. The ZyXEL

N220 User’s Guide75CHAPTER 5 AP Mode5.1 OverviewThis section shows you how to configure your N220 in AP Mode using the Windows version of the ZyXEL

Chapter 5 AP ModeN220 User’s Guide765.1.1 What You Can Do in This Section•On the Link Info screen, you can see your AP’s current transmission and sec

Chapter 5 AP ModeN220 User’s Guide775.2 AP Mode Screen Summary This section describes the ZyXEL Utility screens while in AP Mode. Figure 55 ZyXEL

Chapter 5 AP ModeN220 User’s Guide78The following table describes the labels in this screen. 5.4 The Configuration Screen The Configuration screen al

Chapter 5 AP ModeN220 User’s Guide79The following table describes the labels in this screen. Table 22 Configuration LABEL DESCRIPTIONWireless Set-t

Safety WarningsN220 User’s Guide8

Chapter 5 AP ModeN220 User’s Guide805.4.1 Security Settings When you configure the N220 to act as an AP and wireless security is activated, the Confi

Chapter 5 AP ModeN220 User’s Guide815.4.1.3 WPA-PSK/WPA2-PSKConfigure WPA-PSK and WPA2-PSK security with these options. Figure 59 Security Setting

Chapter 5 AP ModeN220 User’s Guide825.5 The MAC Filter ScreenThe MAC Filter screen allows you to configure the N220 to give exclusive access to devic

Chapter 5 AP ModeN220 User’s Guide83The following table describes the labels in this screen. Table 25 MAC Filter LABEL DESCRIPTIONFilter Type Defi

Chapter 5 AP ModeN220 User’s Guide84

N220 User’s Guide85CHAPTER 6 Maintenance6.1 OverviewThis section describes how to uninstall or upgrade the ZyXEL utility.6.1.1 What You Can Do in T

Chapter 6 MaintenanceN220 User’s Guide866.2 The About Screen The About screen displays driver and utility version numbers of the N220. To display the

Chapter 6 MaintenanceN220 User’s Guide873 Click Finish to complete uninstalling the software and restart the computer when prompted.Figure 63 Unins

Chapter 6 MaintenanceN220 User’s Guide88

89PART IITroubleshooting and SpecificationsTroubleshooting (91)Product Specifications (95)

Contents OverviewN220 User’s Guide9Contents OverviewIntroduction and Configuration ...

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N220 User’s Guide91CHAPTER 7 TroubleshootingThis chapter offers some suggestions to solve problems you might encounter. The potential problems are di

Chapter 7 TroubleshootingN220 User’s Guide927.2 Accessing the ZyXEL UtilityI cannot access the ZyXEL Utility1 Make sure the N220 is properly inserted

Chapter 7 TroubleshootingN220 User’s Guide937.4 Problems Communicating with Other ComputersThe computer with the N220 installed cannot communicate w

Chapter 7 TroubleshootingN220 User’s Guide94

N220 User’s Guide95CHAPTER 8 Product SpecificationsTable 27 Product Specifications PHYSICAL AND ENVIRONMENTALProduct Name N220 Wireless N-lite USB

Chapter 8 Product SpecificationsN220 User’s Guide96Transmit Power(+/- 1.5 dB)802.11b: 1/2/5.5/11M: 18.5 dBm 802.11g: 54/48M: 15dBm24/36M: 15dBm12/18M:

Chapter 8 Product SpecificationsN220 User’s Guide97Operation Channels N. America & Taiwan HT202.412GHz~ 2.462GHz 1-11N. America & Taiwan HT40

Chapter 8 Product SpecificationsN220 User’s Guide98Wireless QoS Wi-Fi Multi Media (WMM)Wi-Fi Protected Setup (WPS)Push button configurationUse device&

99PART IIIAppendices and IndexNote: The appendices provide general information. Some details may not apply to your N220.Setting Up Your Computer’s IP