ZyXEL Communications ZyAIR G-220 User Manual
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ZyXEL Communications ZyAIR G-220 User Manual

ZyXEL Communications ZyAIR G-220 User Manual

802.11g wireless usb adapter
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ZyAIR G-220
802.11g Wireless USB Adapter
User's Guide
Version 1.01
May 2004

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Summary of Contents for ZyXEL Communications ZyAIR G-220

  • Page 1 ZyAIR G-220 802.11g Wireless USB Adapter User's Guide Version 1.01 May 2004...
  • Page 2 ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved. Disclaimer ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein.

  • Page 3: Zyxel Limited Warranty

    ZyAIR G-220 User’s Guide ZyXEL Limited Warranty ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials or workmanship for a period of up to two (2) years from the date of purchase. During the warranty period...

  • Page 4: Information For Canadian Users

    ZyAIR G-220 User’s Guide Information for Canadian Users The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective operation and safety requirements. The Industry Canada does not guarantee that the equipment will operate to a user's satisfaction.

  • Page 5: Federal Communications Commission

    ZyAIR G-220 User’s Guide Federal Communications Commission (FCC) Interference Statement The device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received, including interference that may cause undesired operations.

  • Page 7: Customer Support

    ZyAIR G-220 User’s Guide Customer Support When contacting your Customer Support Representative, please have the following information ready: Product model and serial number. Warranty Information. Date you received your product. Brief description of the problem and the steps you took to solve it.
  • Page 8 ZyAIR G-220 User’s Guide REGULAR MAIL METHOD SUPPORT E-MAIL TELEPHONE WEB SITE SALES E-MAIL FTP SITE LOCATION SWEDEN support@zyxel.se +46 31 744 7700 www.zyxel.se ZyXEL Communications A/S Sjöporten 4, 41764 Göteborg sales@zyxel.se +46 31 744 7701 Sweden FINLAND support@zyxel.fi +358-9-4780-8411 www.zyxel.fi...

  • Page 9: Table Of Contents

    ZyAIR G-220 User’s Guide Table of Contents Copyright ...............................ii ZyXEL Limited Warranty ..........................iii Information for Canadian Users.........................iv Federal Communications Commission (FCC) Interference Statement............v Customer Support............................vii List of Figures...............................xi List of Tables ...............................xii Preface.................................xiii Chapter 1 Getting Started .........................1-1 About Your ZyAIR ........................1-1 ZyAIR Hardware and Utility Installation..................1-1...
  • Page 10 ZyAIR G-220 User’s Guide The Access Point Setting Screen ....................4-3 The WEP Key Setting… Screen....................4-6 The MAC Address Filter Screen ....................4-6 Chapter 5 Maintenance ..........................5-1 The Information… Screen ......................5-1 Removing the ZyAIR Utility ......................5-1 Upgrading the ZyAIR Utility......................5-2 Chapter 6 Troubleshooting ........................6-1 Problems Starting the ZyAIR Utility Program................6-1...

  • Page 11: List Of Figures

    Figure 3-3 Station Mode: More Setting… ....................3-4 Figure 3-4 Station Mode: WEP Key Setting… ....................3-6 Figure 3-5 Station Mode: Advanced Setting… ....................3-8 Figure 4-1 Access Point Mode: ZyAIR G-220 Utility .................4-2 Figure 4-2 Access Point Mode: Access Point Setting ..................4-4 Figure 4-3 Access Point Mode: Security......................4-6 Figure 4-4 Access Point Mode: MAC Filter ....................4-7...
  • Page 12 Table 3-2 Station Mode: More Setting….....................3-4 Table 3-3 Station Mode: WEP Key Setting…....................3-6 Table 3-4 Station Mode: Advanced Setting… .....................3-8 Table 4-1 Access Point Mode: ZyAIR G-220 Utility...................4-2 Table 4-2 Access Point Mode: Access Point Setting..................4-4 Table 4-3 Access Point Mode: MAC Filter....................4-7 Table 5-1 Information…...

  • Page 13: Preface

    Window and command choices are in Bold Times New Roman font. Predefined field choices are in Bold Arial font. • The ZyXEL ZyAIR G-220 802.11g Wireless USB Adapter is referred to as the ZyAIR in this guide. • The ZyAIR Wireless LAN Utility may be referred to as the ZyAIR WLAN Utility or, simply, as the ZyAIR Utility in this guide.
  • Page 14 ZyAIR G-220 User’s Guide Graphics Icons Key Notebook computer Computer Wireless Access Point Modem Wireless Signal Server Switch Router Telephone Getting Started...

  • Page 15: Chapter 1 Getting Started

    ZyAIR G-220 User’s Guide Chapter 1 Getting Started This chapter introduces the ZyAIR and prepares you to use the ZyAIR Utility. About Your ZyAIR The ZyAIR is an IEEE 802.11g compliant wireless LAN adapter. With the ZyAIR, you can enjoy the wireless mobility within the coverage area.

  • Page 16: Figure 1-1 Windows Xp: System Tray Icon

    ZyAIR G-220 User’s Guide Step 1. Double-click the network icon for wireless connections in the system tray. If the icon is not present, proceed to Step 2. Otherwise skip to Step 5. Figure 1-1 Windows XP: System Tray Icon Step 2.

  • Page 17: Figure 1-3 Windows Xp: Connect To Wireless Network

    ZyAIR G-220 User’s Guide Step 5. When a Wireless Network Connection window displays, click Advanced…. Figure 1-3 Windows XP: Connect to Wireless Network Wireless LAN...

  • Page 18: Accessing The Zyair Utility

    ZyAIR G-220 User’s Guide Step 6. In the Wireless Network Connection Properties window, make sure the Use Windows to configure my wireless network settings check box is not selected. Click OK. Figure 1-4 Windows XP: Wireless Network Connection Properties Accessing the ZyAIR Utility After you install and start the ZyAIR Utility, an icon for the ZyAIR Utility appears in the system tray.

  • Page 19: Zyair Modes

    Refer to Section 4.1 for more information. 1.5.1 Change ZyAIR Modes To change between the modes, select either the Station or Access Point option in the ZyAIR G-220 Utility screen. Figure 1-6 ZyAIR G-220 Utility: Mode Wait for about five seconds for the ZyAIR Utility to complete the mode change.

  • Page 21: Chapter 2 Wireless Lan Network

    ZyAIR G-220 User’s Guide Chapter 2 Wireless LAN Network This chapter provides background information on wireless LAN network. Overview This section describes the wireless LAN network terms and applications. 2.1.1 SSID The SSID (Service Set Identity) is a unique name shared among all wireless devices in a wireless network.

  • Page 22: Figure 2-1 Ibss Example

    ZyAIR G-220 User’s Guide Ad-Hoc (IBSS) Ad-hoc mode does not require an AP or a wired network. Two or more wireless stations communicate directly to each other. An ad-hoc network may sometimes be referred to as an Independent Basic Service Set (IBSS).

  • Page 23: 2.1.5 Roaming

    ZyAIR G-220 User’s Guide Figure 2-3 Infrastructure Network Example Access Point Mode The following figure depicts a network example in which you set the ZyAIR in access point mode. Figure 2-4 ZyAIR as an Access Point Example In the example, the ZyAIR is installed on computer A and set to operate in access point mode. Computer A shares Internet connection to the wireless LAN, so wireless stations B and C can access the Internet.

  • Page 24: Wireless Lan Security

    ZyAIR G-220 User’s Guide The following figure depicts a roaming example. When wireless station B moves to position X, the ZyAIR in wireless station B automatically switches the channel to the one used by access point 2 in order to stay connected to the network.

  • Page 25: Rts/Cts Threshold

    ZyAIR G-220 User’s Guide 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. If the Fragmentation Threshold value is smaller than the RTS/CTS Threshold value (see previously) you set 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 Threshold size.

  • Page 26: Authentication Type

    ZyAIR G-220 User’s Guide You should only configure RTS/CTS Threshold 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.

  • Page 27: Chapter 3 Wireless Station Mode Configuration

    To set your ZyAIR as a wireless station, refer to Section 1.5.1. The ZyAIR Utility Screen When the ZyAIR utility starts, the ZyAIR G-220 Utility screen displays, showing the current configuration of your ZyAIR. Figure 3-1 Station Mode: ZyAIR G-220 Utility The following table describes the labels in this screen.

  • Page 28: Table 3-1 Station Mode: Zyair G-220 Utility

    ZyAIR G-220 User’s Guide Table 3-1 Station Mode: ZyAIR G-220 Utility LABEL DESCRIPTION Mode Select Station from drop-down list box to set the ZyAIR to operate in wireless station mode. Select Access Point from drop-down list box to set the ZyAIR to operate in access point mode.

  • Page 29: 3.2.1 Connecting To A Network

    ZyAIR G-220 User’s Guide 3.2.1 Connecting to a Network Follow the steps below to connect to a network. Step 1. Click Refresh to scan for all available wireless networks within range. Step 2. To join a network, either click an entry in the table to select a wireless network and then click Connect this site or double-click an entry.

  • Page 30: Figure 3-3 Station Mode: More Setting

    ZyAIR G-220 User’s Guide Figure 3-3 Station Mode: More Setting… The following table describes the labels in this screen. Table 3-2 Station Mode: More Setting… LABEL DESCRIPTION General Connection Setting Channel Select the channel number from the drop-down list box. To associate to an ad-hoc network, you must use the same channel as the peer computer.
  • Page 31 ZyAIR G-220 User’s Guide Table 3-2 Station Mode: More Setting… LABEL DESCRIPTION Tx Rate Select a transmission speed from the drop-down list box. Choose from Auto (default), 1 Mbps, 2 Mbps, 5.5 Mbps, 11 Mbps, 6 Mbps, 9 Mbps, 12 Mbps, 18 Mbps, 24 Mbps, 36 Mbps, 48 Mbps, and 54 Mbps.

  • Page 32: The Wep Key Setting

    ZyAIR G-220 User’s Guide Table 3-2 Station Mode: More Setting… LABEL DESCRIPTION Others Advanced Click Advanced Settings… to set the advanced features on the ZyAIR. Settings… Information Click Information to displays related version numbers of the ZyAIR. The WEP Key Setting… Screen Click the WEP Encryption Key Setting button in the More Setting…...
  • Page 33 ZyAIR G-220 User’s Guide Table 3-3 Station Mode: WEP Key Setting… LABEL DESCRIPTION Key Length Select 64 bit, 128 bit or 256 bit and then fill in the related fields. Default Key ID Select a default WEP key to use for data encryption.

  • Page 34: The Advanced Setting

    ZyAIR G-220 User’s Guide The Advanced Setting… Screen To set the advanced features on the ZyAIR, click the Advanced Setting… button in the More Setting… screen. Figure 3-5 Station Mode: Advanced Setting… The following table describes the labels in this screen Table 3-4 Station Mode: Advanced Setting…...
  • Page 35 ZyAIR G-220 User’s Guide Table 3-4 Station Mode: Advanced Setting… LABEL DESCRIPTION World Wide Select this radio button to have the ZyAIR display 14 channels in the Channel field in the More Setting screen. User Select Select this radio button and select a country from the drop down list to have the ZyAIR display the channel numbers for the selected country in the Channel field in the More Setting screen.

  • Page 37: Chapter 4 Access Point Mode Configuration

    ZyAIR G-220 User’s Guide Chapter 4 Access Point Mode Configuration This chapter shows you how to configure your ZyAIR in access point mode. Introduction To set your ZyAIR as an Access Point (AP), refer to Section 1.5.1. In access point mode, your ZyAIR functions as an access point. This allows you to set up your wireless networks without using a dedicated AP device.

  • Page 38: Figure 4-1 Access Point Mode: Zyair G-220 Utility

    ZyAIR G-220 User’s Guide Figure 4-1 Access Point Mode: ZyAIR G-220 Utility The following table describes the labels in this screen. Table 4-1 Access Point Mode: ZyAIR G-220 Utility LABEL DESCRIPTION Mode Select Station from drop-down list box to set the ZyAIR to operate in wireless station mode.

  • Page 39: The Access Point Setting Screen

    This field displays the number of data frames transmitted. Rx Frame This field displays the number of data frames received. The Access Point Setting Screen Click More Setting… in the ZyAIR G-220 Utility screen to display the screen as shown. Maintenance...

  • Page 40: Figure 4-2 Access Point Mode: Access Point Setting

    ZyAIR G-220 User’s Guide Figure 4-2 Access Point Mode: Access Point Setting The following table describes the labels in this screen. Table 4-2 Access Point Mode: Access Point Setting LABEL DESCRIPTION General Connection Setting Channel Set the operating frequency/channel depending on your geographical region.
  • Page 41 ZyAIR G-220 User’s Guide Table 4-2 Access Point Mode: Access Point Setting LABEL DESCRIPTION Hide ESSID Select this check box to hide the ESSID in the outgoing beacon frame so a station cannot obtain the ESSID through passive scanning using a site survey tool.

  • Page 42: The Wep Key Setting

    ZyAIR G-220 User’s Guide The WEP Key Setting… Screen To set up wireless LAN security, click Setting next to the WEP field in the Access Point Setting screen to display the screen as shown. Figure 4-3 Access Point Mode: Security Refer to Table 3-3 for field descriptions.

  • Page 43: Figure 4-4 Access Point Mode: Mac Filter

    ZyAIR G-220 User’s Guide Figure 4-4 Access Point Mode: MAC Filter The following table describes the labels in this screen. Table 4-3 Access Point Mode: MAC Filter LABEL DESCRIPTION Filter Type Define the filter action for the list of MAC addresses in the MAC address filter table.
  • Page 44 ZyAIR G-220 User’s Guide Table 4-3 Access Point Mode: MAC Filter LABEL DESCRIPTION 00 .. 15 Specify the MAC address(es) of the wireless station(s) that is allowed or denied association to the ZyAIR. Enter six pairs of hexadecimal digits in the range of “A-F”, “a-f” and “0-9” (for example, 00A0C5000002).

  • Page 45: Chapter 5 Maintenance

    Click OK to save all changes and close the ZyAIR Utility. Unistallating the ZyAIR Utility Follow the steps below to remove (or uninstall) the ZyAIR Utility from your computer. Step 1. Click Start, Programs, ZyAIR G-220 Utility, Uninstall ZyAIR G-220 Utility. Troubleshooting...

  • Page 46: Upgrading The Zyair Utility

    ZyAIR G-220 User’s Guide Step 2. When prompted, click OK to remove the driver and the utility software. Figure 5-2 Confirm Uninstall Step 3. Restart your computer when prompted. Upgrading the ZyAIR Utility Before you uninstall the ZyAIR Utility, take note of the current network configuration.

  • Page 47: Chapter 6 Troubleshooting

    ZyAIR G-220 User’s Guide Chapter 6 Troubleshooting This chapter covers potential problems and the possible remedies. After each problem description, some instructions are provided to help you to diagnose and to solve the problem. Problems Starting the ZyAIR Utility Program...

  • Page 48: Problems Communicating With Other Computers

    ZyAIR G-220 User’s Guide Problems Communicating With Other Computers Table 6-3 Troubleshooting Communication Problems PROBLEM CORRECTIVE ACTION In wireless station mode, the computer with the ZyAIR installed cannot communicate with the other computer(s). Infrastructure Make sure that the AP and the associated computers are turned on and working properly.

  • Page 49: Appendix A Setting Up Your Computer's Ip Address

    ZyAIR G-220 User’s Guide Appendix A Setting up Your Computer’s IP Address All computers must have a 10M or 100M Ethernet adapter card and TCP/IP installed. Windows 95/98/Me/NT/2000/XP, Macintosh OS 7 and later operating systems and all versions of UNIX/LINUX include the software components you need to install and use TCP/IP on your computer.
  • Page 50 ZyAIR G-220 User’s Guide Select Adapter and then click Add. Select the manufacturer and model of your network adapter and then click OK. If you need TCP/IP: In the Network window, click Add. Select Protocol and then click Add. Select Microsoft from the list of manufacturers.
  • Page 51 ZyAIR G-220 User’s Guide Click the IP Address tab. -If your IP address is dynamic, select Obtain an IP address automatically. -If you have a static IP address, select Specify an IP address and type your information into the IP Address and Subnet Mask fields.
  • Page 52 ZyAIR G-220 User’s Guide Click the Gateway tab. -If you do not know your gateway’s IP address, remove previously installed gateways. -If you have a gateway IP address, type it in the New gateway field and click Add. Click OK to save and close the TCP/IP Properties window.
  • Page 53 ZyAIR G-220 User’s Guide For Windows XP, click start, Control Panel. In Windows 2000/NT, click Start, Settings, Control Panel. For Windows XP, click Network Right-click Local Area Connection and Connections. For Windows 2000/NT, click then click Properties. Network and Dial-up Connections.
  • Page 54 ZyAIR G-220 User’s Guide Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and click Properties. The Internet Protocol TCP/IP Properties window opens (the General tab in Windows XP). -If you have a dynamic IP address click Obtain an IP address automatically.
  • Page 55 ZyAIR G-220 User’s Guide -If you do not know your gateway's IP address, remove any previously installed gateways in the IP Settings tab and click OK. Do one or more of the following if you want to configure additional IP addresses: -In the IP Settings tab, in IP addresses, click Add.
  • Page 56 ZyAIR G-220 User’s Guide In the Internet Protocol TCP/IP Properties window (the General tab in Windows XP): -Click Obtain DNS server address automatically if you do not know your DNS server IP address(es). -If you know your DNS server IP address(es),...
  • Page 57 ZyAIR G-220 User’s Guide Click the Apple menu, Control Panel and double-click TCP/IP to open the TCP/IP Control Panel. Select Ethernet from the Connect via list. For dynamically assigned settings, select Using DHCP Server from the Configure: list. Setting Up Your Computer’s IP Address...
  • Page 58 ZyAIR G-220 User’s Guide For statically assigned settings, do the following: -From the Configure box, select Manually. -Type your IP address in the IP Address box. -Type your subnet mask in the Subnet mask box. -Type the IP address of your ZyAIR in the Router address box.
  • Page 59 ZyAIR G-220 User’s Guide For dynamically assigned settings, select Using DHCP from the Configure list. For statically assigned settings, do the following: -From the Configure box, select Manually. -Type your IP address in the IP Address box. -Type your subnet mask in the Subnet mask box.

  • Page 61: Appendix B Access Point Mode Setup Example

    ZyAIR G-220 User’s Guide Appendix B Access Point Mode Setup Example This example uses the network sharing feature in Windows 2000 to bridge the wired and wireless network when you set the ZyAIR in access point (AP) mode. Refer to Section 4.1.1 for setup methods and requirements.
  • Page 62 ZyAIR G-220 User’s Guide Diagram 2 Windows 2000: Network and Dial-up Connections Step 4. A Properties screen displays. Click the Sharing tab and select Enable Internet Connection Sharing for this connection. Click OK. Diagram 3 Windows 2000: Network Properties Step 5.
  • Page 63 ZyAIR G-220 User’s Guide Diagram 4 Windows 2000: Local Network Configuring the Wireless Station Computer Refer to the Setting Up Your Computer’s IP Address appendix to set up the wireless station computer(s) IP address. Access Point Mode Setup Example...
  • Page 65 ZyAIR G-220 User’s Guide Appendix C Index About ..............5-1 Data encryption ..........2-4 About the ZyAIR Utility ......5-1, 5-2 Access point mode ..........1-5 Access Point Mode..........4-1 Additional setup requirements ....4-1 ESS..............2-2 Configuration ..........4-4 Extended Service Set.......See ESS Link Info .............4-2 MAC Filter..........4-7...
  • Page 66 ZyAIR G-220 User’s Guide MAC filter type..........4-7 Transmission Speed ........3-5 Transmission Speeds........2-1 Troubleshooting Network Type ..........2-1 Communication problem with other computers Ad-Hoc(IBSS) ..........2-2 ..............6-2 Troubleshooting ..........6-1 Checking Hardware Conflict ......6-1 Online Registration........... iii Communication problems ......6-2 Open authentication mode ......2-6 Problem with link status......6-1...
  • Page 67 ZyAIR G-220 User’s Guide Access point ..........4-1 Link Info .............3-2 Station ............3-1 Removing ............5-2 Switch between modes........1-5 Upgrading............5-2 ZyAIR Utility ZyAIR Utility Maintenance ......5-1 Before you upgrade........5-2 Index...

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