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AmbiCom WL1100B-AR, User Manual

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AmbiCom WL1100B-AR User Manual Download Page 40

 

 

-36-

RTS Threshold

  –  Transmitters contending for the medium may not hear each other. 

RTS/CTS mechanism can solve this  “ Hidden Node Problem”. If the packet size is smaller 

than the preset RTS Threshold size, the RTS/CTS mechanism will NOT be enabled. 

Web Management

  - Network management by using web browser connecting to the target 

devices. 

Summary of Contents for WL1100B-AR

Page 1: ...AmbiCom WL1100B AR Wireless LAN Access Router User Manual Version 1 50 Oct 1 2001 ...

Page 2: ... is likely to cause harmful interference in which case the user will be required to correct the interference at this own expense The user should not modify or change this equipment without written approval from company name Modification could void authority to use this equipment For the safety reason people should not work in a situation which RF Exposure limits be exceeded To prevent the situatio...

Page 3: ...nslated into any language or transmitted in any form or by any means without the written permission of the supplier About This Manual The purpose of this manual is for the setup of the WL1100B AR Wireless LAN Access Router This manual revised as version 1 0 0 in 2001 includes procedures assisting you in avoiding unforeseen problems ...

Page 4: ...escription 5 Power Socket 5 Ethernet Ports 5 Default 5 2 4 Hardware Installation 6 n Chapter 3 Configuring the WL1100B AR Wireless LAN Access Router 7 3 1 Using the WL1100B AR Wireless LAN Access Router Utility 7 3 2 Using the Web Management 17 3 3 Using the Telnet 22 n Chapter 4 Troubleshooting 29 n Appendix A Network Configuration 31 A 1 Network Topology 31 n Appendix B Specifications 34 n Appen...

Page 5: ...ility WEP security and more The WL1100B AR Wireless LAN Access Router enables you to build a variety of network configurations 1 1 Features and Benefits n Features 11Mbps data rate by incorporating Direct Sequence Spread Spectrum technology n Fully IEEE 802 11b compatible Allow inter operation among multiple vendors n Technique operating in the unlicensed 2 4Ghz ISM band n Seamless roaming within ...

Page 6: ...mporary LANs for special projects or peak time C1 Trade shows exhibitions and construction sites where a temporary network will be practical C2 Retailers airline and shipping companies need additional workstations during peak period C3 Auditors requiring workgroups at customer sites 5 Access to database for mobile workers Doctors nurses retailers accessing their database while being mobile in the ...

Page 7: ...eless communications This would increase efficiency of the communications since the wireless adapters do not need to be within direct range of each other Wireless Infrastructure with Stations Attaching to a Wired LAN The WL1100B AR Wireless LAN Access Router will provide access to a your local LAN An integrated wireless and wired LAN is called an Infrastructure configuration A group of wireless LA...

Page 8: ...N Access Router x 1 u Quick Start Guide x 1 u Power Adapter x 1 u Product CD x 1 If any of the above items are not included or damaged please contact your local dealer for support 2 2 System Requirements Installation of the WL1100B AR Wireless LAN Access Router requires 1 An AC power outlet 100 240V 50 60Hz which supplies the power for the WL1100B AR Wireless LAN Access Router 2 A 10 100 Base T UT...

Page 9: ...Wireless LAN Access Router Power Socket The power adapter plugs into the socket labeled POWER Ethernet Ports The WL1100B AR Wireless LAN Access Router supports an Ethernet ports RJ 45 MDI daisy chain port labeled MDI You may connect the WL1100B AR Wireless LAN Access Router either to a hub or a PC Please note that use the cross over cable when you desire to connect the Access Point to a PC The two...

Page 10: ... n WL1100B AR Wireless LAN Access Router Placement You can place the WL1100B AR Wireless LAN Access Router on a flat surface such as a table or cabinet or mount the unit on a vertical surface like a wall The integrated antenna of your WL1100B AR Wireless LAN Access Router performs best in an open environment with as few obstructions as possible n Connect the Ethernet Cable The WL1100B AR Wireless ...

Page 11: ...r Web Management 3 1 Using the WL1100B AR Wireless LAN Access Router Utility Installed on your Windows 95 98 NT ME 2000 desktop computer the Windows based utility Access Point Manager provides a user friendly interface The Access Point Manager enables you to configure all of your WL1100B AR Wireless LAN Access Routers on the network more easily than ever before The following gives instructions gui...

Page 12: ...ation window appears You will see the basic information of the WL1100B AR Wireless LAN Access Router such as MAC Address Frequency Domain and Firmware Version MAC Address It is a hardware identification number that distinguishes the unit from others You will see the number on the label located on the bottom of the WL1100B AR Wireless LAN Access Router Frequency Domain The regulated operating frequ...

Page 13: ...ed with your hardware Statistics The statistics tab contains three of the following items for you to monitor the Ethernet and Wireless network traffic Ethernet You may monitor the TX RX on the wired network Wireless You may monitor the TX RX of the wireless network ...

Page 14: ...yption errors Transmit Deferred Transmission The number of packets that have deferred transmission due to the fact that the medium is busy Retry Limit Exceed The number of packets that are not sent due to the reason that the packets exceed the retry limits Single Tries The number of packets that are successfully sent on the first retry Multiple Retries The number of packets that are successfully s...

Page 15: ...ess clients associating to the WL1100B AR Wireless LAN Access Router must have the same ESSID The ESSID can have up to 32 characters Channel You may select any of the available channels as an operational channel for your WL1100B AR Wireless LAN Access Router RTS Threshold RTS Threshold is a mechanism implemented to prevent the Hidden Node problem Hidden Node is a situation in which two stations ar...

Page 16: ... an RTS to the WL1100B AR Wireless LAN Access Router informing that it is going to transmit the data Upon receipt the WL1100B AR Wireless LAN Access Router will respond with a CTS message to all station within its range to notify all other stations to defer transmission It will also confirm to the requesting station that the WL1100B AR Wireless LAN Access Router has reserved the channel for transm...

Page 17: ...e affect IP Address To enable remote access to the WL1100B AR Wireless LAN Access Router using Telnet or Web Management you must assign an IP address to the WL1100B AR Wireless LAN Access Router You may also assign other related Internet addressing options such as subnet mask or gateway address Consult your network administrator to obtain an available IP address ...

Page 18: ...outer n When WEP40 is selected type five alphanumeric characters in the range of a z A Z and 0 9 e g MyKey in the WEP Key 1 entry field Alternatively you may enter 10 digit hexadecimal values in the range of A F and 0 9 preceded by the characters 0x values e g 0x11AA22BB33 You can also enter WEP keys in the Key 2 Key 3 and Key 4 if you wish WEP will only use 1 Key You will have to select one WEP k...

Page 19: ...ol With the Access Control Table enabled you can authorize wireless units to access the WL1100B AR Wireless LAN Access Router by identifying the MAC address of the wireless devices that are allowed access to transmit data To create or edit the Access Control Table do the following Go to the Access Control tab and select Enable Access Control Note that when you enable the Access Control Table witho...

Page 20: ...dit to change the entries in the table if you enter the incorrect MAC address Remove to remove MAC addresses one at a time Clear to remove all MAC addresses in the table Import to import an existing Access Control Table Export to save the current Access Control Table to a location on your computer You can save the file as a text document ...

Page 21: ...Internet Explorer 5 0 to monitor and configure the WL1100B AR Wireless LAN Access Router 1 Open your web browser 2 Enter the IP address of your WL1100B AR Wireless LAN Access Router in the Address field e g http 192 168 1 1 You will have access to the WL1100B AR Wireless LAN Access Router Web Pages of the WL1100B AR Wireless LAN Access Router 3 Enter the password to login to the WL1100B AR Wireles...

Page 22: ...age contains two items for you to manage your WL1100B AR Wireless LAN Access Router Information General This item displays the general information of the WL1100B AR Wireless LAN Access Router such as the MAC address Frequency Domain and Firmware Version ...

Page 23: ...is item displays the Ethernet and wireless network traffic Configuration General You may make the settings on the WL1100B AR Wireless LAN Access Router such as ESSID channel RTS threshold fragment threshold and password ...

Page 24: ...ess LAN Access Router offers WEP Wired Equivalency Privacy You can set up 4 encryption keys but choose one key to encrypt your data Access Control The Access Control Table enables you to restrict wireless stations accessing the WL1100B AR Wireless LAN Access Routers by identifying the MAC address of the wireless devices ...

Page 25: ... 21 Upgrade Here you can upload the newest firmware of the WL1100B AR Wireless LAN Access Router You may either enter the file name in the entry field or browse the file by clicking the Browse button ...

Page 26: ...access to the WL1100B AR Wireless LAN Access Router console Thus you will be able to make the configuration via the TCP IP connection 1 Telnet to your WL1100B AR Wireless LAN Access Router A window will show up 2 Enter the password The default password is default 3 2 1 Basic Commands The following are the commands provided for configuring the WL1100B AR Wireless LAN Access Router In loader mode i ...

Page 27: ...e WL1100B AR Wireless LAN Access Router for example firmware version frequency domain etc stat Display the statistical values of the operation of the WL1100B AR Wireless LAN Access Router for example association status LAN WLAN interface load etc ...

Page 28: ...Ping ICMP echo to an ip_addr host with optional num_pings times with optional data size in a length of data_size set List the configuration information set apname channel essid rts_threshold frag_threshold ip_address ip_netmask ip_gateway ...

Page 29: ...ccess Router s MAC address channel The radio channel number 1 essid The ESS ID a k a SSID of the WL1100B AR Wireless LAN Access Router My Network rts_threshold The threshold number of bytes for enabling RTS CTS handshake Data with its frame size larger than this value will perform the RTS CTS handshake Range of value 0 2432 2432 frag_threshold The threshold number of bytes for the fragmentation bo...

Page 30: ... the WL1100B AR Wireless LAN Access Router with the new firmware reset Issue a reset signal The WL1100B AR Wireless LAN Access Router will be reset if user confirms 3 2 2 Advanced Settings for Security This section describes the commands to control the security for WL1100B AR Wireless LAN Access Router To prevent unauthorized wireless stations from accessing data transmitted over the network the W...

Page 31: ...C address or index an address from the access control table list start end display the content of the access control mode and the address list The optional arguments start and end can be affixed to select the range of items to be listed clear clear all the addresses in the access control table WEP Keys wep mode set list The wep command contains sub commands that allow you to manage the data encryp...

Page 32: ... required if 40 bit WEP is used Example 0x1122334455 0x0055AA55AA abcde or MyKey set key2 key_text set WEP Key 2 as key_text with a same format as WEP Key 1 set key3 key_text set WEP Key 3 as key_text with a same format as WEP Key 1 set key4 key_text set WEP Key 2 as key_text with a same format as WEP Key 1 set usekey 1 2 3 4 Select the WEP key to be used for encrypting data transmission Only one ...

Page 33: ...s interface activity n No action required Continuous Green On Off Off Normal operation that indicates there is no LAN activity n No action required Off Off Off Off Off Power failure n Check the power cord n Check the power supply Off Off Off Off Invalid loader firmware or the micro controller is dead n Return the unit to the vendor for support Blink Green Invalid WL1100B AR Wireless LAN Access Rou...

Page 34: ...etwork You may check the following to ensure normal operation of the WL1100B AR Wireless LAN Access Router n WEP keys If data encryption is activated always remember to set WEP keys exactly the same on the WL1100B AR Wireless LAN Access Router as are on the wireless stations n Access Control Make sure that the MAC address of your WL1100B AR Wireless LAN Access Router is not included in the Access ...

Page 35: ...s u Infrastructure for enterprise LANs u LAN Interconnection for point to point link as a campus backbone A 1 Network Topology u Ad Hoc Fig An Example of Ad Hoc Wireless LAN An Ad Hoc wireless LAN is a group of computers each equipped with one wireless adapter connected as an independent wireless LAN Computers in a specific Ad Hoc wireless LAN must be configured at the same radio channel Ad Hoc wi...

Page 36: ...Basic Service Set BSS Each wireless equipped PC in this BSS can talk to any computer in the wired LAN infrastructure via the WL1100B AR Wireless LAN Access Router Infrastructure configuration will extend the accessibility of a wireless station to the wired LAN Multiple WL1100B AR Wireless LAN Access Routers will allow roaming and it will increase the transmission range The WL1100B AR Wireless LAN ...

Page 37: ......

Page 38: ... N America FCC 2412 2 462 GHz 11 channels Europe CE ETSI 2 412 2 472 GHz 13 channels Japan 2 412 2 484 GHz 14 channels France 2 457 2 472 GHz 4 channels Spain 2 457 2 462 GHz 2 channels Speed Options 11M 5 5M 2M 1M also support Auto Rate Selections RF Technology Direct Sequence Spread Spectrum Power Supply DC 12V External power supply included RF Output Power 13 dBm Sensitivity 84dBm 11Mbps PER 8 ...

Page 39: ...ands for Basic Service Set an WL1100B AR Wireless LAN Access Router and all the wireless clients that associated with it ESS Stands for Extended Service Set More than one BSS can be configured as an Extended Service Set Mobile users can roam between BSS in an ESS Ethernet A popular local area data communications network originally developed by Xerox Corp which accepts transmission from computers a...

Page 40: ...t hear each other RTS CTS mechanism can solve this Hidden Node Problem If the packet size is smaller than the preset RTS Threshold size the RTS CTS mechanism will NOT be enabled Web Management Network management by using web browser connecting to the target devices ...

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