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Appendix B Wireless LANs

NWD271N User’s Guide

102

Figure 71

RTS/CTS

When station

A

sends data to the AP, it might not know that the station

B

is already using the

channel. If these two stations send data at the same time, collisions may occur when both sets
of data arrive at the AP at the same time, resulting in a loss of messages for both stations.

RTS/CTS

is designed to prevent collisions due to hidden nodes. An

RTS/CTS

defines the

biggest size data frame you can send before an RTS (Request To Send)/CTS (Clear to Send)
handshake is invoked.

When a data frame exceeds the

RTS/CTS

value you set (between 0 to 2432 bytes), the station

that wants to transmit this frame must first send an RTS (Request To Send) message to the AP
for permission to send it. The AP then responds with a CTS (Clear to Send) message to all
other stations within its range to notify them to defer their transmission. It also reserves and
confirms with the requesting station the time frame for the requested transmission.

Stations can send frames smaller than the specified

RTS/CTS

directly to the AP without the

RTS (Request To Send)/CTS (Clear to Send) handshake.

You should only configure

RTS/CTS

if the possibility of hidden nodes exists on your network

and the "cost" of resending large frames is more than the extra network overhead involved in
the RTS (Request To Send)/CTS (Clear to Send) handshake.

If the

RTS/CTS

value is greater than the

Fragmentation Threshold

value (see next), then the

RTS (Request To Send)/CTS (Clear to Send) handshake will never occur as data frames will
be fragmented before they reach

RTS/CTS

size.

"

Enabling the RTS Threshold causes redundant network overhead that could
negatively affect the throughput performance instead of providing a remedy.

Fragmentation Threshold

A

Fragmentation Threshold

is the maximum data fragment size (between 256 and 2432

bytes) that can be sent in the wireless network before the AP will fragment the packet into
smaller data frames.

A large

Fragmentation Threshold

is recommended for networks not prone to interference

while you should set a smaller threshold for busy networks or networks that are prone to
interference.

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Содержание NWD217N

Страница 1: ...www zyxel com NWD217N WLAN 802 11n USB Adapter User s Guide Version 1 0 05 2008 Edition 1...

Страница 2: ......

Страница 3: ...nd configuring for Internet access Online Help Embedded web help for descriptions of individual screens and supplementary information Supporting Disc Refer to the included CD for support documents ZyX...

Страница 4: ...stroke is denoted by square brackets and uppercase text for example ENTER means the enter or return key on your keyboard Enter means for you to type one or more characters and then press the ENTER key...

Страница 5: ...ntions NWD271N User s Guide 5 Icons Used in Figures Figures in this User s Guide may use the following generic icons Wireless Access Point Computer Notebook computer Server Modem Telephone Internet Wi...

Страница 6: ...r service this device during a thunderstorm There is a remote risk of electric shock from lightning Connect ONLY suitable accessories to the device Ground yourself by properly using an anti static wri...

Страница 7: ...tents Overview Introduction and Configuration 19 Getting Started 21 Tutorial 27 Wireless LANs 37 ZyXEL Utility Windows 49 Maintenance 71 Troubleshooting and Specifications 75 Troubleshooting 77 Produc...

Страница 8: ...Contents Overview NWD271N User s Guide 8...

Страница 9: ...1 1 2 Before You Begin 21 1 2 About Your NWD271N 22 1 2 1 Hardware 22 1 3 Application Overview 23 1 3 1 Infrastructure 23 1 3 2 Ad Hoc 23 1 4 Hardware and Utility Installation 24 1 4 1 ZyXEL Utility...

Страница 10: ...figuration 41 3 4 2 PIN Configuration 41 3 4 3 How WPS Works 43 3 4 4 Limitations of WPS 46 Chapter 4 ZyXEL Utility Windows 49 4 1 Overview 49 4 1 1 What You Can Do in This Section 49 4 1 2 What You N...

Страница 11: ...I Troubleshooting and Specifications 75 Chapter 6 Troubleshooting 77 6 1 Power Hardware Connections and LEDs 77 6 2 Accessing the ZyXEL Utility 78 6 3 Link Quality 78 6 4 Problems Communicating with O...

Страница 12: ...Table of Contents NWD271N User s Guide 12...

Страница 13: ...lity Profile Encryption 34 Figure 17 ZyXEL Utility Profile Summary 34 Figure 18 ZyXEL Utility Profile Activate 35 Figure 19 Example of a Wireless Network 38 Figure 20 Example WPS Process PIN Method 43...

Страница 14: ...re 58 Windows XP Internet Protocol TCP IP Properties 92 Figure 59 Windows Vista Start Menu 93 Figure 60 Windows Vista Control Panel 93 Figure 61 Windows Vista Network And Internet 93 Figure 62 Windows...

Страница 15: ...2 Windows XP SP2 Wireless Network Connection Status 124 Figure 93 Windows XP SP1 Wireless Network Connection Status 124 Figure 94 Windows XP SP2 Wireless Network Connection 125 Figure 95 Windows XP SP...

Страница 16: ...List of Figures NWD271N User s Guide 16...

Страница 17: ...dapter 64 Table 17 WPS PIN Use this Device s PIN 66 Table 18 WPS PIN Use the PIN from the AP or Wireless Router 67 Table 19 About 72 Table 20 Product Specifications 81 Table 21 IEEE 802 11g 103 Table...

Страница 18: ...List of Tables NWD271N User s Guide 18...

Страница 19: ...19 PART I Introduction and Configuration Getting Started 21 Tutorial 27 Wireless LANs 37 ZyXEL Utility Windows 49 Maintenance 71...

Страница 20: ...20...

Страница 21: ...section and subsequently as you read through the rest of the User s Guide Access Point An Access Point AP is a network device that acts as a bridge between a wired and a wireless network Outside of t...

Страница 22: ...n this User s Guide for detailed information 1 2 1 Hardware This section describes the NWD271N s physical appearance Figure 1 The NWD271N The following table describes the NWD271N The following table...

Страница 23: ...ure To connect to a network via an access point AP set the NWD271N network type to Infrastructure see Chapter 4 on page 59 Through the AP you can access the Internet or the wired network behind the AP...

Страница 24: ...ty and make hardware connections 1 4 1 ZyXEL Utility Icon After you install and start the ZyXEL utility an icon for the ZyXEL utility appears in the system tray The ZyXEL utility system tray icon disp...

Страница 25: ...tion When you use the ZyXEL utility it automatically disables Windows XP s wireless configuration tool If you want to use the Windows XP wireless configuration tool to configure the NWD271N you need t...

Страница 26: ...ck on the ZyXEL wireless LAN utility icon in the system tray to open the ZyXEL utility The ZyXEL utility screens are similar in all Microsoft Windows versions Screens for Windows XP are shown in this...

Страница 27: ...hat you can later connect again to an infrastructure AP with a single click See Section 2 3 2 on page 33 for details 2 1 2 What You Need to Know The following term may help as you read through this se...

Страница 28: ...the other 2 2 1 Push Button Configuration PBC 1 Make sure that your access point is turned on and that it is within range of the computer with the NWD271N installed 2 Make sure that you have installe...

Страница 29: ...the Network Wireless LAN WPS Station screen 3 Click the Start buttons on both the NWD271N utility screen and the AP s configuration utility the WPS Station screen on the NBG334W within two minutes The...

Страница 30: ...Chapter 2 Tutorial NWD271N User s Guide 30 Figure 8 Example WPS Process PIN Method Authentication by PIN SECURITY INFO WITHIN 2 MINUTES COMMUNICATION You AP...

Страница 31: ...ility and then insert the wireless client follow the steps below to connect to a network using the Site Survey screen 1 Open the ZyXEL utility and click the Site Survey tab to open the screen shown ne...

Страница 32: ...nk Info screen displays details of the active connection Check the network information in the Link Info screen to verify that you have successfully connected to the selected network If the wireless cl...

Страница 33: ...and its pre shared key is ThisismyWPA PSKpre sharedkey You have chosen the profile name PN_Example3 1 Open the ZyXEL utility and click the Profile tab to open the screen as shown Click Add to configu...

Страница 34: ...ault setting Figure 16 ZyXEL Utility Profile Encryption 6 Verify the profile settings in the ready only screen Click Save to save and go to the next screen Figure 17 ZyXEL Utility Profile Summary 7 Cl...

Страница 35: ...lays details of the active connection 9 Make sure the selected AP in the active profile is on and connected to the Internet Open your Internet browser enter http www zyxel com or the URL of any other...

Страница 36: ...Chapter 2 Tutorial NWD271N User s Guide 36...

Страница 37: ...Service is a kind of server that manages logins and logout among other things for the network to which it is connected Client When two or more devices are connected digitally to form a network the one...

Страница 38: ...ients use the access point AP to interact with other devices such as the printer or with the Internet Every wireless network must follow these basic guidelines Every device in the same wireless networ...

Страница 39: ...Equivalent Privacy encryption scrambles all data packets transmitted between the NWD271N and the AP or other wireless stations to keep network communications private Both the wireless stations and th...

Страница 40: ...use depends on the RADIUS server and an intermediary AP s that supports IEEE 802 1x The NWD271N supports EAP TLS EAP TTLS at the time of writing TTLS is not available in Windows Vista and EAP PEAP Ref...

Страница 41: ...on Configuration WPS Push Button Configuration PBC is initiated by pressing a button on each WPS enabled device and allowing them to connect automatically You do not need to enter any information Not...

Страница 42: ...e WPS section of the AP s configuration interface See the device s User s Guide for how to do this 3 Look for the client s WPS PIN it will be displayed either on the device or in the WPS section of th...

Страница 43: ...cation Protocol tunnel and sends the network name SSID and the WPA PSK or WPA2 PSK pre shared key to the enrollee Whether WPA PSK or WPA2 PSK is used depends on the standards supported by the devices...

Страница 44: ...curity settings it transmits to the enrollee are randomly generated Once a WPS enabled device has connected to another device using WPS it becomes configured A configured wireless client can still act...

Страница 45: ...istrar since it is configured it already has security information for the network AP1 supplies the existing security information to Client 2 Figure 23 WPS Example Network Step 2 In step 3 you add anot...

Страница 46: ...atically issuing a randomly generated WPA PSK or WPA2 PSK pre shared key from the registrar device to the enrollee devices see Section 4 4 1 2 on page 55 for information on pre shared keys Whether the...

Страница 47: ...ess point s configuration interface and look at the list of associated clients usually displayed by MAC address It does not matter if the access point is the WPS registrar the enrollee or was not invo...

Страница 48: ...Chapter 3 Wireless LANs NWD271N User s Guide 48...

Страница 49: ...ge 59 for details On the Adapter screen you can configure the NWD271N hardware such as activating WPS mode or its power saving feature See Section 4 6 on page 64 for details 4 1 2 What You Need to Kno...

Страница 50: ...rotocol EAP An enhanced security framework designed to improve an existing security protocol such as WPA PSK or WPA2 PSK 4 1 3 Before You Begin Make sure the ZyXEL utility is already installed See the...

Страница 51: ...he network type Infrastructure or Ad Hoc of the wireless network Transmission Rate This field displays the current transmission rate of the NWD271N in megabits per second Mbps Security This field disp...

Страница 52: ...gth of the signal The signal strength mainly depends on the antenna output power and the distance between your NWD271N and the AP or peer computer Link Quality The status bar shows the quality of wire...

Страница 53: ...his field displays the SSID Service Set IDentifier of each wireless device Channel This field displays the channel number used by each wireless device Signal This field displays the signal strength of...

Страница 54: ...me when the wireless device was scanned Table 7 Site Survey continued LABEL DESCRIPTION Table 8 Security Setting WEP LABEL DESCRIPTION Security Settings WEP Select 64 Bits or 128 Bits to activate WEP...

Страница 55: ...II characters case sensitive ranging from a z A Z and 0 9 for example MyKey for ASCII key type If you select 128 Bits in the WEP field Enter either 26 hexadecimal digits in the range of A F a f and 0...

Страница 56: ...lick Back to go to the Site Survey screen to select and connect to another network Next Click Next to confirm your selections and advance to the Summary screen Refer to Section 4 4 2 on page 59 Exit C...

Страница 57: ...A Consult your network administrator for more information PEAP Inner EAP This field is only available when you select PEAP in the EAP Type field The PEAP method used by the RADIUS server or AP for cli...

Страница 58: ...e password associated with the user name above Certificate This field is only available when you select TLS in the EAP Type field Click Browse to select a certificate Note You must first have a wired...

Страница 59: ...curity enabled The default profile is a profile that allows you to connect to any SSID that has no security enabled Click the Profile tab in the ZyXEL utility program to display the Profile screen as...

Страница 60: ...se and activate a previously saved network profile select a pre configured profile name in the table and click Connect Add To add a new profile into the table click Add Delete To delete an existing wi...

Страница 61: ...to any AP or roam between any infrastructure wireless networks Network Type Select Infrastructure to associate to an AP Select Ad Hoc to associate to a peer computer Next Click Next to go to the next...

Страница 62: ...e first screen you can use only WEP encryption method Otherwise select DISABLE to allow the NWD271N to communicate with the access points or other peer wireless computers without any data encryption a...

Страница 63: ...s as they are on the NWD271N Refer to Section 4 4 1 on page 54 for detailed information on wireless security configuration Figure 38 Profile Security Settings 5 This read only screen shows a summary o...

Страница 64: ...ck the Adapter tab Figure 41 Adapter The following table describes the labels in this screen Table 16 Adapter LABEL DESCRIPTION Adapter Setting Preamble Type Preamble is used to signal that data is co...

Страница 65: ...available in Windows Vista WPS WiFi Protected Setup Select this to enable Wi fi Protected Setup on the NWD271N PBC Push Button Configuration Select this to use the PBC Push Button Configuration WPS mo...

Страница 66: ...wing screen displays Figure 43 WPS PIN Use this Device s PIN The following table describes the labels in this screen Table 17 WPS PIN Use this Device s PIN LABEL DESCRIPTION This device s PIN This is...

Страница 67: ...802 1x security settings is different from that of other operating systems other security types are not affected The procedures for setting up WPA WPA2 or 802 1x in Vista are the same However the pro...

Страница 68: ...le 3 Click Next 4 In the Summary screen that appears click Save 5 A message similar to the following appears in the bottom right of your screen Click the message Figure 45 Vista Security Additional In...

Страница 69: ...A message similar to the following appears in the bottom right of your screen Click the message Figure 47 Vista Security Additional Information Required 6 The Select Certificate screen displays Select...

Страница 70: ...Chapter 4 ZyXEL Utility Windows NWD271N User s Guide 70...

Страница 71: ...erm may help as you read through this section Device driver A system file that lets other programs interact with a piece of hardware or device You should never try to locate and install or uninstall d...

Страница 72: ...wireless configurations 1 Click Start All Programs ZyXEL Wireless N USB Utility Uninstall ZyXEL Wireless N USB Adapter Utility 2 When prompted click OK or Yes to remove the driver and the utility sof...

Страница 73: ...the utility from the ZyXEL web site and save the file on your computer 2 Follow the steps in Section 5 3 on page 72 to remove the current ZyXEL utility from your computer 3 Restart your computer when...

Страница 74: ...Chapter 5 Maintenance NWD271N User s Guide 74...

Страница 75: ...75 PART II Troubleshooting and Specifications Troubleshooting 77 Product Specifications 81...

Страница 76: ...76...

Страница 77: ...The NWD271N does not turn on None of the LEDs turn on 1 Make sure the NWD271N is correctly installed refer to your Quick Start Guide 2 Restart the computer to which the NWD271N is attached 3 If the pr...

Страница 78: ...our vendor 6 3 Link Quality V The link quality and or signal strength is poor 1 Scan for and connect to another AP with a better link quality using the Site Survey screen 2 Move your computer closer t...

Страница 79: ...Profile Security Setting screen If you are using WPA 2 or WPA 2 PSK security try changing your encryption type from TKIP to AES or vice versa In Ad Hoc Mode Verify that the peer computer s is turned o...

Страница 80: ...Chapter 6 Troubleshooting NWD271N User s Guide 80...

Страница 81: ...dity 20 90 non condensing Storage Humidity 5 90 non condensing Operation Voltage 5V Power Saving Mode Yes Current Consumption Transmit 500 mA Receive 350 mA Voltage 5 V Weight 21g 0 74oz Dimensions 81...

Страница 82: ...data rate 150 Mbps Operation Frequency 2 412GHz 2 472GHz Operation Channels N America Taiwan HT20 2 412GHz 2 462GHz 1 11 N America Taiwan HT40 2 422GHz 2 452GHz 3 9 Euro ETSI HT20 2 412GHz 2 472GHz 1...

Страница 83: ...SS FEATURES Wireless Security WEP 64bit 128bit WPA WPA PSK WPA2 WPA2 PSK 802 1x EAP TLS EAP TTLS EAP PEAP WPS Note EAP TTLS is not supported in Windows Vista Wireless QoS WMM Note Not supported in Win...

Страница 84: ...Chapter 7 Product Specifications NWD271N User s Guide 84...

Страница 85: ...x The appendices provide general information Some details may not apply to your NWD271N Setting Up Your Computer s IP Address 87 Wireless LANs 99 Windows Wireless Management 113 Legal Information 135...

Страница 86: ...86...

Страница 87: ...other devices on your network Windows Vista XP 2000 include the software components you need to use TCP IP on your computer If you manually assign IP information instead of using a dynamic IP make sur...

Страница 88: ...s XP 2000 NT The following example uses the default Windows XP display theme but can also apply to Windows 2000 and Windows NT 1 Click Start Control Panel Figure 52 Windows XP Start Menu 2 In the Cont...

Страница 89: ...de 89 3 Right click Local Area Connection and then select Properties Figure 54 Windows XP Control Panel Network Connections Properties 4 On the General tab select Internet Protocol TCP IP and then cli...

Страница 90: ...perties window opens Figure 56 Windows XP Internet Protocol TCP IP Properties 6 If you have a dynamic IP address select Obtain an IP address automatically 7 If you have a static IP address select Use...

Страница 91: ...gory 12 In the TCP IP Address field type an IP address in IP address and a subnet mask in Subnet mask and then click Add 13 Repeat the above two steps for each IP address you want to add 14 Configure...

Страница 92: ...e Preferred DNS server and Alternate DNS server fields 22 If you have previously configured DNS servers click Advanced and then the DNS tab to order them 23 Click OK to close the Internet Protocol TCP...

Страница 93: ...on shows screens from Windows Vista Professional 1 Click Start Control Panel Figure 59 Windows Vista Start Menu 2 In the Control Panel click the Network and Internet icon Figure 60 Windows Vista Contr...

Страница 94: ...onnections Figure 62 Windows Vista Network and Sharing Center 5 Right click Local Area Connection and then select Properties Figure 63 Windows Vista Network and Sharing Center During this procedure cl...

Страница 95: ...ppendix A Setting Up Your Computer s IP Address NWD271N User s Guide 95 6 Select Internet Protocol Version 4 TCP IPv4 and then select Properties Figure 64 Windows Vista Local Area Connection Propertie...

Страница 96: ...rties window opens Figure 65 Windows Vista Internet Protocol Version 4 TCP IPv4 Properties 8 If you have a dynamic IP address select Obtain an IP address automatically 9 If you have a static IP addres...

Страница 97: ...tegory 14 In the TCP IP Address field type an IP address in IP address and a subnet mask in Subnet mask and then click Add 15 Repeat the above two steps for each IP address you want to add 16 Configur...

Страница 98: ...them in the Preferred DNS server and Alternate DNS server fields 24 If you have previously configured DNS servers click Advanced and then the DNS tab to order them 25 Click OK to close the Internet P...

Страница 99: ...dent Basic Service Set IBSS The following diagram shows an example of notebook computers using wireless adapters to form an ad hoc wireless LAN Figure 68 Peer to Peer Communication in an Ad hoc Networ...

Страница 100: ...d connection between APs is called a Distribution System DS This type of wireless LAN topology is called an Infrastructure WLAN The Access Points not only provide communication with the wired network...

Страница 101: ...lly overlap however To avoid interference due to overlap your AP should be on a channel at least five channels away from a channel that an adjacent AP is using For example if your region has 11 channe...

Страница 102: ...uested transmission Stations can send frames smaller than the specified RTS CTS directly to the AP without the RTS Request To Send CTS Clear to Send handshake You should only configure RTS CTS if the...

Страница 103: ...ort it and to provide more efficient communications Use the dynamic setting to automatically use short preamble when all wireless devices on the network support it otherwise the NWD271N uses long prea...

Страница 104: ...IEEE 802 1x are User based identification that allows for roaming Support for RADIUS Remote Authentication Dial In User Service RFC 2138 2139 for centralized user profile and accounting management on...

Страница 105: ...and the RADIUS server for user accounting Accounting Request Sent by the access point requesting accounting Accounting Response Sent by the RADIUS server to indicate that it has started or stopped ac...

Страница 106: ...reless clients for mutual authentication The server presents a certificate to the client After validating the identity of the server the client sends a different certificate to the server The exchange...

Страница 107: ...efines stronger encryption authentication and key management than WPA Key differences between WPA or WPA2 and WEP are improved data encryption and user authentication If both an AP and the wireless cl...

Страница 108: ...th and the packet is dropped By generating unique data encryption keys for every data packet and by creating an integrity checking mechanism MIC with TKIP and AES it is more difficult to decrypt data...

Страница 109: ...ient s authentication request to the RADIUS server 2 The RADIUS server then checks the user s identification against its database and grants or denies network access accordingly 3 A 256 bit Pairwise M...

Страница 110: ...this table to see what other security parameters you should configure for each authentication method or key management protocol type MAC address filters are not dependent on how you configure these s...

Страница 111: ...r site each 1dB increase in gain results in a range increase of approximately 5 Actual results may vary depending on the network environment Antenna gain is sometimes specified in dBi which is how muc...

Страница 112: ...in a direct line of sight to each other to attain the best performance For omni directional antennas mounted on a table desk and so on point the antenna up For omni directional antennas mounted on a w...

Страница 113: ...sta and Windows XP wireless configuration tools Windows Vista Take the following steps to connect to a wireless network using the Windows Vista wireless configuration tool WLAN AutoConfig Connecting t...

Страница 114: ...use pointer to hover over a network s entry additional information about the network displays Figure 76 Vista Additional Information 2 Double click the network s name to join the network or select a n...

Страница 115: ...NWD271N User s Guide 115 Figure 77 Vista Enter Security Key Your computer tries to connect to the wireless network Figure 78 Vista Connecting If your computer has connected to the wireless network suc...

Страница 116: ...k when you start up your computer If you do not select this but select Save this network you can connect manually each time by clicking Start Connect to and selecting the network s name from the list...

Страница 117: ...wing table describes the labels in this screen Table 25 Vista Connect Manually LABEL DESCRIPTION Network name Enter your network s SSID Service Set IDentifier Security type Select the type of security...

Страница 118: ...ur computer s wireless client Security Key Passphrase If your network uses WEP or WPA 2 Personal security enter the key here Display Characters Select this if you do not want the security key characte...

Страница 119: ...reen displays Figure 83 Vista Set Up An Ad hoc Network 2 Select Set up a wireless ad hoc computer to computer network and click Next The following screen displays Figure 84 Vista Ad hoc Options 3 Ente...

Страница 120: ...rom the list 6 Click Next The following screen displays Figure 85 Vista Ad hoc Network Ready 7 If you want to share files with other computers on the ad hoc network or let other computers use your Int...

Страница 121: ...displays as shown below Click Properties Figure 86 Windows XP SP1 Wireless Network Connection Status Figure 87 Windows XP SP2 Wireless Network Connection Status 4 The Wireless Network Connection Prope...

Страница 122: ...Guide 122 Figure 88 Windows XP SP1 Wireless Network Connection Properties Figure 89 Windows XP SP2 Wireless Network Connection Properties If you see the following screen refer to article 871122 on th...

Страница 123: ...SP2 indicates the status of the NWD271N Refer to the following table for details 2 Windows XP SP2 In the Wireless Network Connection Status screen click View Wireless Networks to open the Wireless Ne...

Страница 124: ...een click Properties and the Wireless Networks tab to open the Wireless Network Connection Properties screen Figure 93 Windows XP SP1 Wireless Network Connection Status 3 Windows XP SP2 Click Refresh...

Страница 125: ...rks table Click OK to join the selected wireless network Refer to the section on security settings discussed later for more information Table 27 Windows XP SP2 Wireless Network Connection ICON DESCRIP...

Страница 126: ...ields in the Wireless Network Connection screen to the same security settings as the associated AP and click Connect Refer to the section about security settings for more information Otherwise click C...

Страница 127: ...he NWD271N to connect to a secure network but the security settings are not yet enabled on the NWD271N you will see different screens according to the authentication and encryption methods used by the...

Страница 128: ...shows the encryption type TKIP WEP or Disable used by the selected network Network Key Enter the pre shared key or WEP key The values for the keys must be set up exactly the same on all wireless devic...

Страница 129: ...an choose to disable or enable this feature EAP Type Select the type of EAP authentication Options are Protected EAP PEAP and Smart Card or other Certificate Properties Click this button to open the p...

Страница 130: ...below Note You must first have a wired connection to a network and obtain the certificate s from a certificate authority CA Consult your network administrator for more information Do not prompt user...

Страница 131: ...entication server Connect to these servers Select the check box and specify a domain in the field below to have your computer connect to a server which resides only within this domain Trusted Root Cer...

Страница 132: ...eferred Networks Windows XP SP1 In the Wireless Network Connection Status screen click Properties and the Wireless Networks tab to open the screen as shown Figure 103 Windows XP SP1 Wireless Networks...

Страница 133: ...ppendix C Windows Wireless Management NWD271N User s Guide 133 the security authentication or connection information of the selected network Click Add to add a preferred network into the list manually...

Страница 134: ...Appendix C Windows Wireless Management NWD271N User s Guide 134...

Страница 135: ...s publication is subject to change without notice Trademarks Trademarks mentioned in this publication are used for identification purposes only and may be properties of their respective owners Certifi...

Страница 136: ...quirements of Health Canada Safety Code 6 for Canada Testing was performed on laptop computers with antennas at 0mm spacing The maximum SAR value is 0 680 W kg The device must not be collocated with a...

Страница 137: ...ion Any replacement will consist of a new or re manufactured functionally equivalent product of equal or higher value and will be solely at the discretion of ZyXEL This warranty shall not apply if the...

Страница 138: ...Appendix D Legal Information NWD271N User s Guide 138...

Страница 139: ...ail support zyxel com tw Sales E mail sales zyxel com tw Telephone 886 3 578 3942 Fax 886 3 578 2439 Web www zyxel com www europe zyxel com FTP ftp zyxel com ftp europe zyxel com Regular Mail ZyXEL Co...

Страница 140: ...8 Web www zyxel fi Regular Mail ZyXEL Communications Oy Malminkaari 10 00700 Helsinki Finland France E mail info zyxel fr Telephone 33 4 72 52 97 97 Fax 33 4 72 52 19 20 Web www zyxel fr Regular Mail...

Страница 141: ...awa ku Tokyo 141 0022 Japan Kazakhstan Support http zyxel kz support Sales E mail sales zyxel kz Telephone 7 3272 590 698 Fax 7 3272 590 689 Web www zyxel kz Regular Mail ZyXEL Kazakhstan 43 Dostyk Av...

Страница 142: ...rzei 1A 03 715 Warszawa Poland Russia Support http zyxel ru support Sales E mail sales zyxel ru Telephone 7 095 542 89 29 Fax 7 095 542 89 25 Web www zyxel ru Regular Mail ZyXEL Russia Ostrovityanova...

Страница 143: ...ZyXEL Thailand Co Ltd 1 1 Moo 2 Ratchaphruk Road Bangrak Noi Muang Nonthaburi 11000 Thailand Ukraine Support E mail support ua zyxel com Sales E mail sales ua zyxel com Telephone 380 44 247 69 78 Fax...

Страница 144: ...Appendix E Customer Support NWD271N User s Guide 144...

Страница 145: ...99 BSS 99 C CA 40 106 CCMP 40 Certificate Authority See CA certifications 135 notices 137 viewing 137 channel 38 51 53 62 101 interference 101 configuration method 25 important note 25 Wireless Zero C...

Страница 146: ...ector IV 108 installation 24 interface 81 Internet access 23 L LEDs 22 lights 22 link information 51 LINK LED 22 link quality 52 M manual network connection 31 Message Integrity Check MIC 40 108 N net...

Страница 147: ...ion 53 site survey 53 scan 53 security settings 54 sleep mode 65 SSID 31 38 51 53 78 statistics 51 syntax conventions 4 system tray 24 T temperature 81 Temporal Key Integrity Protocol TKIP 40 108 The...

Страница 148: ...supplicant 109 with RADIUS application example 109 WPA2 40 56 67 107 user authentication 108 vs WPA2 PSK 108 wireless client supplicant 109 with RADIUS application example 109 WPA2 Pre Shared Key 40 1...

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