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ZyAIR B-620 User’s Guide

Wireless LAN Security

5-3

Figure 5-2 ZyAIR Utility: Advanced

The following table describes the fields in this screen.

Table 5-1 ZyAIR Utility: Advanced

FIELD DESCRIPTION

Transmit Threshold Control

Fragmentation

Threshold

The threshold (number of bytes) for the fragmentation boundary for directed
messages. It is the maximum data fragment size that can be sent.
Move the slider to set the fragmentation threshold.

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Содержание ZyAIR B-620

Страница 1: ...ZyAIR B 620 Mini PCI 11M Wireless LAN Card User s Guide Version 1 0 May 2003...

Страница 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...

Страница 3: ...conditions NOTE Repair or replacement as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other warranties express or implied including any implied...

Страница 4: ...mpliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by...

Страница 5: ...couraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and the receiver 3 Con...

Страница 6: ...o longer considered valid and the FCC ID can not be used on the final product In these circumstances the OEM integrator will be responsible for re evaluating the end product including the transmitter...

Страница 7: ...com WORLDWIDE sales zyxel com tw 886 3 578 2439 ftp europe zyxel com ZyXEL Communications Corp 6 Innovation Road II Science Based Industrial Park Hsinchu 300 Taiwan support zyxel com 1 714 632 0882 80...

Страница 8: ......

Страница 9: ...g the ZyAIR Utility 3 1 3 2 Viewing Current Configuration 3 1 3 2 1 Common Screen Command Buttons 3 3 3 3 The About Screen 3 3 3 4 Wireless LAN Parameters 3 4 3 4 1 SSID 3 5 3 4 2 Channel 3 5 3 4 3 Tr...

Страница 10: ...2 Authentication Mode 5 2 5 1 3 Preamble Type 5 2 5 2 The Advanced Screen 5 2 Chapter 6 Removing and Upgrading the ZyAIR Utility 6 1 6 1 Removing the ZyAIR Utility 6 1 6 2 Upgrading the ZyAIR Utility...

Страница 11: ...gure 2 4 Windows XP Wireless Network Connection Properties 2 3 Figure 3 1 ZyAIR Utility System Tray Icon 3 1 Figure 3 2 ZyAIR Utility Link Info 3 2 Figure 3 3 ZyAIR Utility About 3 4 Figure 3 4 Ad hoc...

Страница 12: ...Utility About 3 4 Table 3 5 ZyAIR Utility Site Survey 3 9 Table 3 6 Color Indicator for Link Quality Link Strength 3 10 Table 3 7 ZyAIR Utility Configuration 3 11 Table 4 1 ZyAIR Utility WEP Encrypti...

Страница 13: ...Quick Installation Guide Our Quick Installation Guide is designed to help you get your ZyAIR up and running right away It contains a detailed easy to follow connection diagram and information on inst...

Страница 14: ......

Страница 15: ...e on a handheld or notebook computer upon entering a patient s room It allows flexible workgroups a lower total cost of ownership for networks that are frequently reconfigured Conference room users ca...

Страница 16: ...ample 2 1 3 2 Infrastructure When wireless clients wish to access and share resources on the wired network they should use infrastructure mode Wireless clients may move from one coverage area to anoth...

Страница 17: ...ZyAIR B 620 User s Guide Wireless Network Basics 1 3 Figure 1 3 Infrastructure Application Example...

Страница 18: ......

Страница 19: ...ZyAIR Utility to configure the ZyAIR Follow the steps below to disable the configuration tool in Windows XP after you install the ZyAIR Utility Step 1 Double click on the network icon for wireless con...

Страница 20: ...connection to display a status window as shown next Figure 2 2 Windows XP Wireless Network Connection Status Step 4 Click Properties and click the Wireless Networks tab Then skip to Step 6 Step 5 Whe...

Страница 21: ...P Wireless LAN 2 3 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 2 4 Windows...

Страница 22: ......

Страница 23: ...ars in the system tray When the ZyAIR Utility system tray icon displays the ZyAIR is installed properly Figure 3 1 ZyAIR Utility System Tray Icon The color of the ZyAIR Utility system tray icon indica...

Страница 24: ...ess card from the drop down list menu if you have more than one wireless cards in your computer Re Connect Click Re Connect to re establish connection to the wireless device whose SSID is shown in the...

Страница 25: ...us bar and the percentage number or a number in dBm show the strength of the signal Percent dBm Click this button to display either percentages in the Link Quality and Link Strength fields or a number...

Страница 26: ...out FIELD DESCRIPTION Driver Version This field displays the version number of the ZyAIR wireless card driver Utility Version This field displays the version number of the ZyAIR Utility Firmware Versi...

Страница 27: ...sion data rate again until it reaches the highest available transmission rate If you wish to balance speed versus reliability you can select any of the above options 11M bit sec or 5 5M bit sec is use...

Страница 28: ...ess clients are connected using a single AP you have a Basic Service Set BSS Figure 3 5 BSS Example A series of overlapping BSS and a network medium such as an Ethernet forms an Extended Service Set E...

Страница 29: ...maintains uninterrupted connection to the network This is roaming As the wireless client moves from place to place it is responsible for choosing the most appropriate AP depending on the signal stren...

Страница 30: ...ZyAIR B 620 User s Guide 3 8 Using the ZyAIR Utility Figure 3 7 Roaming Example 3 7 The Site Survey Screen Use the Site Survey screen to scan for and connect to a wireless network automatically...

Страница 31: ...SSID or name of each wireless device BSSID This field displays the MAC address of the wireless device Channel This field displays the channel number used by each wireless device Signal This field dis...

Страница 32: ...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 or double click an entry Step 3 If the...

Страница 33: ...ed parameters Refer to the next section for Profile field descriptions Table 3 7 ZyAIR Utility Configuration FIELD DESCRIPTION Configuration Operating Mode Select Infrastructure BSS or Ad Hoc IBSS fro...

Страница 34: ...go to sleep mode when it is not transmitting data When you select Disable the ZyAIR will never go to sleep mode Restore Default Click Restore Default to reset all fields back to factory default values...

Страница 35: ...nfigured Profile To use a previously saved network profile select the profile file name from the drop down list box and click Activate 3 9 4 Deleting a Profile To delete an existing wireless network c...

Страница 36: ......

Страница 37: ...k is accessible to any wireless networking device that is in the coverage area 4 2 Data Encryption with WEP WEP Wired Equivalent Privacy encryption scrambles the data transmitted between the ZyAIR and...

Страница 38: ...ct either 64 Bit or 128 Bit from the drop down list box to activate WEP encryption and then fill in the related fields Select Disable to deactivate the WEP data encryption WEP Key Entry The WEP keys a...

Страница 39: ...anging from a z A Z and 0 9 e g MyKey for ASCII key type If you select 128 Bit in the Key Type field Enter either 26 hexadecimal digits in the range of A F a f and 0 9 for example 00112233445566778899...

Страница 40: ......

Страница 41: ...each other Therefore they are considered as hidden nodes from each other When a station starts data transmission with the access point it might not know that the other station is already using the wir...

Страница 42: ...ny AP and listen to any data transmitted plaintext Shared authentication mode involves a shared secret key to authenticate the wireless station to the AP This requires you to enable a security feature...

Страница 43: ...the fields in this screen Table 5 1 ZyAIR Utility Advanced FIELD DESCRIPTION Transmit Threshold Control Fragmentation Threshold The threshold number of bytes for the fragmentation boundary for directe...

Страница 44: ...t the RTS CTS threshold Security Shared Mode Authenticate Access Point Select this checkbox to use a shared key to authenticate the access point Refer to Section 5 1 2 for more information Preamble Ty...

Страница 45: ...mputer click Yes and then click Finish 6 2 Upgrading the ZyAIR Utility Before you uninstall the ZyAIR Utility save the current network configuration To perform the upgrade follow the steps below Step...

Страница 46: ......

Страница 47: ...t your local vendor The ZyAIR Wireless LAN Utility displays only three tabs When the ZyAIR Wireless LAN Utility displays only three tabs you are using the Windows XP wireless configuration tool at the...

Страница 48: ...or the peer computer s within the transmission range There is too much radio interference for example microwave or another AP using the same channel around your wireless network Relocate or reduce the...

Страница 49: ...nnecting to a Network 3 10 Copyright ii Disclaimer ii Trademarks ii CTS See Clear to Send Customer Support vii D data collision 5 1 Data encryption 4 1 Disable Windows XP Wireless Support 2 1 E ESS 3...

Страница 50: ...n Speed 3 12 Transmission Speeds 3 5 Troubleshooting 7 1 Checking Hardware Conflict 7 1 Communication problems 7 1 Radio interference 7 2 Starting ZyAIR Utility 7 1 Survery 7 2 U Using the ZyAIR Utili...

Страница 51: ...ZyAIR B 620 User s Guide Index C About 3 4 Before you upgrade 6 1 Link Info 3 2 Removing 6 1 Site Survey 3 9 Upgrading 6 1 WEP Encryption 4 2...

Страница 52: ...yAIR Wireless LAN Utility Subject Author cindy Keywords Comments For ZyAIR B 120 and B 220 only ZyXEL logo Creation Date 5 28 2003 1 38 PM Change Number 12 Last Saved On 5 30 2003 1 25 PM Last Saved B...

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