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5 Glossary

BSS

“Basic Service Set”. De facto an alias for Access
Point.

Cell

Area in which the radio signal of an Access Point
is sufficiently good to join with it.

ESS

“Extended Service Set”. A group of Access
Points with identical settings among which a
client system can roam. An ESS forms the heart
of a WLAN.

Shared Key Algorithm

Encryption scheme for which both sender and
receiver need to know the (same) encryption
key.

SNMP

“Simple Network Management Protocol”

WLAN

“Wireless LAN” The set of Access Points and
Wireless Clients that form a local area network.

Write Community String

SNMP password

WEP

“Wired Equivalent Protection”
Data privacy mechanism based on a 40/128 bit
shared key algorithm, as described in the IEEE
802.11b standard

Содержание WX-1500EN

Страница 1: ...11Mbps Wireless LAN Access Point User Manual Version 1 2 July 2000 ...

Страница 2: ... 1 2 July 2000 Important Notice This device is a 2 4 GHz low power Wireless Access Point transceiver intended for use in all EU memberstates except for France where restrictive use applies Please refer to the next page of this manual for further details ...

Страница 3: ...publication may be reproduced stored in a retrieval system or transmitted in any form or by any means whether electronic mechanical photocopying recording or otherwise without the prior writing of the publisher Printed in Taiwan July 2000 ...

Страница 4: ...terference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver C...

Страница 5: ...mplies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with the minimum distance between your body and the antenna as shown in the table below Integrated Antenna 20cm 7 inches ...

Страница 6: ...attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this manual and of the computer manufacturer must therefore be allowed at all times to ensure the safe use of the equipment EU Countries intended for use The ETSI version of this device is intended for home and office use in Austria Belgium Denmark Finland France ...

Страница 7: ...15 4 4 3 Manually programming IP addresses 16 4 5 Managing Security 19 4 5 1 Access Control 18 4 6 Updating Access Point Settings 19 4 7 IEEE 802 11b WEP Security 20 4 8 More about Cells 20 4 9 Compatibility 20 4 10 Product Series definition 19 5 Glossary 22 6 Technical specifications WX 1500Series Access Points 23 6 1 Standards supported 23 6 2 Environmental 23 6 3 Power specifications 23 6 4 Rad...

Страница 8: ...if anything is missing please contact your vendor A wireless LAN is normally used in a predefined environment In such a network Access Points are mounted at assigned places each covering its own area in which wireless nodes can operate These Access Points are connected to a wired network to communicate with each other and with servers and clients on that network The WX 1500SB and WX 1520SB Access ...

Страница 9: ... and the leftmost WLAN and rightmost wired network LEDs flash whenever there is traffic on the respective networks which is at least ten times per second for the wireless LAN because of so called beacons The Access Point automatically selects the medium attached When the cable network is detected the network LED will turn yellow You can reset the Access Point s settings to factory defaults by push...

Страница 10: ...eatures are Adding and removing Access Points Restricting access to the Wireless network Managing data protection options such as IEEE 802 11b WEP Assigning radio channels for optimal cell management Grouping the wireless network into multiple WLANs with individual access control and security options Programming an Access Point with a specified IP address Setting the SNMP Write Community string St...

Страница 11: ...he icons indicate the status of the WLANs and their associated Access Points You can use clicking double clicking dragging etc to view Access Point properties or move an Access Point to another WLAN etc See Managing WLANs The name or ESSID of the WLAN is used for identifying the WLAN Client stations can roam freely over Access Points that have the same ESSID Therefore the security options for all ...

Страница 12: ...k and commit the new settings to the Access Points in your network Using this button Note that the actual settings of the Access Points will not be affected until the Commit to Network function is executed If you quit APManager you will be asked to both save and commit See Updating Access Point Settings You can open the saved configuration file anytime you to make changes to the network 4 3 Managi...

Страница 13: ...cess Point to the Disabled special WLAN by pressing Delete or selecting the Edit Clear menu item Access Points in this special WLAN will not be accessible for any client station See Managing WLANs The Access Points are shown with one of the following icons On line The Access Point is accessible on line Off line The Access Point is currently not accessible or the IP address is not known or incorrec...

Страница 14: ...tory domain for which the Access Point has been configured factory setting Note that it is illegal to use the Access Point outside the designated domain See Regulatory Domains for details The IP address and the hostname of the Access Point The radio channel number The permissible channels depend on the Regulatory Domain An optional description field for easy reference ...

Страница 15: ...etting is used the network addresses and masks generated by this function may not be correct and should be adjusted manually 4 4 2 Searching for Access Points APManager has an easy to use Access Point discovery function that simplifies the administration of the Access Points in your network You normally apply the Search function in one of the following situations New Access Points have been added ...

Страница 16: ...Access Points on The network LED should light up in red 4 Configure the network you want your Access Points to be part of See Network Settings Dialog for details 5 Enter the hardware addresses of the Access Points by hand using the Edit Insert Access Point menu command or clicking the appropriate toolbar button 6 For each Access Point select Edit Set IP Address menu command and enter the required ...

Страница 17: ... 802 11b standard allows for Access Control rules based on the client station s hardware address and is fully implemented by the WX 1500 Secure Management The primary protection against tampering for any SNMP agent is the Write Community String WCS which functions as a password for network management commands The WCS is sent over your network in plain text making it vulnerable to eavesdropping fro...

Страница 18: ...ontrol If this box is not checked any client station can associate with your network Click the Access Control Settings button on the WLAN Security tab to pop up the Access Control Dialog Press Add to enter the client stations you want to grant access A default rule determines whether unregistered stations can join You can move clients between Access Granted and Access Denied lists by clicking the ...

Страница 19: ... toolbar button During the update the following Dialog is displayed Access Point that is currently being processed Progress indicator Update result counters The Skipped count refers to Access Points in the Unused special WLAN Specific error messages Within 10 seconds after the Access Point has been successfully updated it will disconnect all client stations that are joined with it and restart with...

Страница 20: ...mless wireless connectivity everywhere Nearby Access Points should preferably send and receive on different channels for maximum throughput Creating a cell plan for your site can be complicated and is usually done by experts employing special measuring equipment Furthermore the radio channels you may use depend on both the capabilities of the PC Cards you are deploying as well as the regulations i...

Страница 21: ... balancing Data Compression VoIP Schedule mechanism Class of service support Yes 7 5Mbps Yes Option Option Option N A 7 5Mbps N A N A N A N A Network Management Web Server SNMP IAPP Inter Access Point Protocol Yes Yes Yes Yes N A N A Mobility Roaming Support Support users 802 1Q Mobile IP Yes 2048 Option Option N A 32 N A N A Other 10base t 100base t F W field upgrade Yes Yes Yes Yes N A Yes ...

Страница 22: ...can roam An ESS forms the heart of a WLAN Shared Key Algorithm Encryption scheme for which both sender and receiver need to know the same encryption key SNMP Simple Network Management Protocol WLAN Wireless LAN The set of Access Points and Wireless Clients that form a local area network Write Community String SNMP password WEP Wired Equivalent Protection Data privacy mechanism based on a 40 128 bi...

Страница 23: ...inal Temp Range 14 dBm 12min Extend Temp Range 14 dBm 11 dBm min Transmit Power 2 7 v to 3v 14 dBm max 11 dBm min Frequency range 2 4 2 4835 GHz direct sequence spread spectrum Number of Channels Most European countries 13 US and Canada 11 3 non overlapping France 4 1 non overlapping Japan 14 Antenna system Dual antenna diversity system 2dB gain with swivel neck 6 5 Specific features Supported bit...

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