ALink-5801a User`s Manual
Contents
1. 32 4 2 Firmware and License Upgrade 1 Firmware upgrade is for you to upgrade your bridges when the upgrade files release 2 Browse the firmware files to be uploaded from the Disc in the Picture 20 then click Upload and Update when you finish 3 When uploading successful users need to reboot the system by clicking Reboot on the left side column of the firmware upload page to make it effective 4 Caution over the traffic on the bridge would be interrupted during system rebooting A Web Interfac Microsoft Internet Explor Ed File Edit View Favorites Tools Help ay Q sxx X xj a A Search Sie Favorites Y Media eR 2 X La Address http 192 168 1 20 Frameset htm v SE Links ST F File Upload gt Management Firmware Upgrade The file name extension must be SYS gt IP Address dd N License Upgrade The file name extension must be LIC gt 5G Bridge ee AR File Browse gt Bridge Statistics Upload amp Update gt File Upload gt System Info gt Reboot gt Done internet Picture 22 Firmware Upload Web Page AN In case network interruption happens during firmware uploading system will still keep on current active firmware You may perform the firmware upgrade again when network is back to normal 33 4 3 Rebooting 1 Click and Reboot either each time or reboot the system once when you finish all kinds of settings El2. Field Description RSSI Displays the strength of the received signal in dBm the remote bridge received signal strenth Refresh every 2 seconds RSSI of ACK Displays the strength of the far end received signals in dBm the local bridge received signal strength Refresh every 2 seconds MSDU Maximum service data unit Displays the number of packets sent and received by the remote bridge Data Management Control Packets can be data management or control Displays the number of packets sent and received for each Multicast Displays the number of multicast frames Errors Displays the error count for both transmit and receive Data Rate Displays the receive and transmit data rate in Mbps Receive Errors Displays the number of receive errors Discarded Frames Displays the number of receive discarded frames Duplicate Frames Displays the number of receive duplicate frames CRC Errors Displays the number of receive CRC errors Decrypt Errors Displays the number of receive description errors PHY Errors Displays the number of receive PHY errors DMA Errors Displays the number of receive DMA errors Transmit Errors Displays the number of transmit errors Discarded Frames Displays the number of transmit discarded frames Excessive Retries Displays the number of transmit excessive retries DMA Errors Displays the number of transmit DMA errors
3. 4 1 3 2 3 Configure 5GHz Bridge Setting eeeeeereeeee 24 Radio Setting Security Setting Master Slave side Share Unique Key s Master Sides sida 28 Slave Side nennen 29 4 1 4 2 Master amp Slave Bridge joining condition ef 4143 Statistics ienei iee E aE EE TEE EEE aa dee edn ann delden eenden eenn aanwenden lederen den deden 30 4 2 FIRMWARE AND LICENSE UPGRADE tse ssvessdy ss sense suvsusts scpauecbscpanede vande eneete verdad EEEE E EENE eE ET EON SPEEN vaneen eld 33 4 3 REBOOTING seen seen een dd a sodas batten Ane Me ae 34 OPN BET ROL DIA A EEE 6 2 DATA RATE enn 6 3 PLANNING RADIO PATH 6 3 1 Antenna Height 6 3 2 Antenna Types 6 3 3 Antenna Cable 25 6 34 Weather Alec anneer ea a there EA SEEE aA aE aiaa E Aai bia 7 FIELD INSTALLATION es easesvenonvenvenonvenvenensenvenenvenvenensenvenensenvenensenvenensenvenensenvenensenvenenvenvenensenvenensenvenensenvenensenvenenvenvere 45 7 1 UNPACK THE SHIPMENT ivoren a a deden cetecdeee ds by ai 45 ZAT Required TOOLS nas ds ansieae A iS 45 Tel D RrOUUCHS ve neee a e Meen O A rat de e e EE A OEA O 45 TAD Ro ACCESS UE A lee dl e ol O 45 TEZINSTALEING THE OD Us A ees Bo SaaS Aa she td Re ens es 46 LEA Required DOOR A endet te A ieee mede Aiea ee Aa 46 72 2 ANSTAM ER ACCESSORIES Eer hci thc a as hcl ete dado es de dl eo bd tactics de el ed nele 46 7 2 3 How to Mount the Bridget isnin araneon A das
4. 2 5 1 External Antenna amp Power over Ethernet PoE Cable Connector PoE Cable Connector External Antenna Connector Picture 3 Bridge 2 5 2 Grounding Screw 1 Be grounding strip connection 2 Proper grounding is always for the safety consideration 2 5 3 Caution over Cable Connection 1 Crossover Ethernet cable connects to Input port and link to host PC 2 Straight Ethernet cable connects to Input port and link to LAN Device ex Switch or Hub cross over Picture 4 Connection1 PoE Ethernet Cable connect to Output port and link to Bridge 12 2 6 Product Warranty Our product is warranted against defects in materials and workmanship for a period of one year from date of shipment During the warranty period time we will either repair or replace products which to be defective For warranty service or repair this product must be returned to a service facility designated by us Buyer shall prepay shipping charges to us and we shall pay shipping charges to return the product to Buyer However buyers shall pay all shipping charges duties and taxes for products returned to us from another country Our warranty is for its software and we designed firmware when you properly installed on this product We do not warrant that the operation of the product or software or firmware will be uninterrupted or error free 2 7 Warranty Limitation The foregoing warranty shall not apply to def
5. 4 SSH Server SSH is a secured telnet like mechanism to invoke the command line interface All the commands and response will be encrypted SSH function can co exist with Telnet function The SSH port is 22 You need to have an SSH client e g OpenSSL to access SSH process HTTPS SSL encryption So it JNote The web browser needs to equip 128 bit Cipher Strength to recommended you use the web browser whose version newer than or equal to IE Internet Explorer 6 SP1 or Netscape 7 Otherwise you might experience the response of The Page Cannot Be Displayed 5 SNMP Community Community name is a string for administrator to read the 21 SNMP MIB from external SNMP manager The default SNMP community name is public You may change the community name here as your plan 6 Trap Receiver Trap is the notification of certain events generated by SNMP agent to send to the network management server To have the Outdoor WLAN product send SNMP trap you need to enter the IP address of the server where the trap is sent to There are two trap messages Cold Start and Link Up are supported They are sent out when the system is started 7 Reset to Factory Default Press this button to reset to factory default 8 Click and Reboot when you finish setting up 4 Web Interface Microsoft Internet Explorer File Edit View Favorites Tools Help a OO NEG Poe Jero que O ED BD Address http 192 168 1 20 Framese
6. enough 48 Appendix A GLOSSARY Auto Reboot Specifies the enable disable of auto reboot function for auto recovery Authentication Type Specifies open system or shared key Authentication Deauthentication Always 0 for Bridge Bridge Distance Enter the value 1 28 KM to specify the distance between a pair of bridges Cipher Advertised Specifies current state of advertised cipher negotiations AES and or WEP and None CRC Errors Specifies the number of receive CRC errors Data Rate Specifies rate of data transmission Best selection will adapt the rate to the best available Data Management Control Packets can either be data control or management Specifies the number of packets sent and received for each Discarded Frames receive Specifies the number of receive discarded frames Discarded Frames transmit Specifies the number of transmit discarded frames DMA Errors receive Specifies the number of receive DMA errors DMA Errors transmit Specifies the number of transmit DMA errors Duplicate Frames Specifies the number of receive duplicate frames Encryption Specifies the enabled state of encryption either yes or no Errors Specifies the error count for both transmit and receive Excessive Retries Specifies the number of transmit excessive retries Fragment Length Specifies the fragment length Enter a value between 256 and 2346 MSDU Maximum service data unit Specifies the number of packets sent and r
7. 108 Mbps in Atheros turbo mode The supported frequency channel for the IEEE802 11a or the IEEE802 11a turbo are across from 5 15 to 5 85 GHz Another advanced design is the security setting We all know the security is the major issue over the wireless communication We offer the two modes on the security setting one is Shared Key and the other is Unique Key Itis really easy for you to secure your communication through this thoughtful feature About the field installation it is easy for you to install the device outside field The following paragraphs remind you what you need to notice during the installation form the site survey antenna installation to the ODU installation We also offer you the evaluated max distance as your reference under the IEEE802 11a and the Antenna gain is either 17 dBi or 23 dBi During the appendix section we offer you some terminologies explanation and how to do the simple troubleshooting when you encounter the difficult over the wireless connection 2 ALink 5801a Hardware FEATURE 2 1 Hardware Outline gs a x e AAA se 5 smu Picture1 Bridge outlook 2 2 Hardware Architecture Pow er simila Arrplifier ARS311 Lightning Protection Lightning Protection Picture2 Bridge Architecture 10 2 3 Product Feature gt Temperature The wireless bridge is tested for normal operation in temperatures from 33 C to 55 C Operating in temperatur
8. 2 02 Grounding SI CTOW A A A Ai ide 12 2 5 3 Caution over Cable Connection iccccccccccscseccccccccccssescccecccccsscssesccceccususcseccececcusuucseccececsssuueseecccsesauauesecsscsesuueaesceseseae 12 2 0 PRODUCT WARRANTY id td dali 13 2 TF WARRANTY IMITA TIN e Meshes 13 2 8 REQUIREMENT oi scssiveebencgevtesuesecoitecaacdees nti Ad 13 2 9 FEATURE SUMMARY esterni E E a E E Oho 14 4 BRIDGE ALINK 5801A CONFIGURATION sssssssssssssssrsessessrsessessssessessssessessssessessrsessessssessessssessessssessessssessessssese 17 4 1 THE MASTER SLAVE SIDE PC NETWORK CONFIGURATION 4 1 1 How To Start Network Configuration on your PC ann enneenneen vene eeneeenvensvennvennvenneenveenveenveenveenvennvenveenveenvenn 4 1 2 Master Bridge side PC TCP IP Setup enenerverenenevenvenensvenerenennenoreneeneenvenenevenoeserenenovenvenenavenoestensesoveneeneen 4 4 21 Master side PE TCPAP Setup sirni eenn ber inverter eerde e ii 4 1 2 2 Master Bridge Side PC IP MAC Address Set up En 4 1 2 3 Slave Side PC Configuration and TCP IP set Up nnen eenenvenvenvenveneenenvenvenvenveneeneevenvenvenvenvenvenvenenvenvenveneene 4 1 3 MASTER SLAVE BRIDGE CONFIGURATION nanos onnvonnvennvenneenseenveenveenveenvenseeseerneenneenneennvenneenveenveenveenveenvenve SI HowTo Sta NEEN 4 1 3 2 Master Slave Bridge Configuration iii ette 41 321 After Lo Mitosis 4 1 3 2 2 Region Country Set up 4 1 3 2 3 Master Slave side IP MAC Address first time Set up
9. Hex 5 ASCII Picture 19 Slave Bridge Security 29 F Web Interface Microsoft Internet Explorer a File Edit View Favorites Tools Help Ae Om AAG oem Jerome Ove O A S Or mE ink gt Address http 192 168 1 20 Frameset htm 5G Bridge List internet Picture 20 Master Slave Bridges Connections 4 1 4 2 Master amp Slave Bridge joining condition 1 Local Bridge This line shows the IP and MAG address of local Bridge as well as its state 2 Remote Bridge This line shows the IP and MAC address of remote Bridge as well as its state 4 1 4 3 Statistics Clicking MAC address hyperlink of desired remote Bridge system will show a Statistics page for you to monitor the information of the bridge link 30 3 Bridge Stats Microsoft Internet Explorer File Edit View Favorites Tools Help E On OBBO Lae Jer ques O BB B Address E http 192 168 1 20 br_stats htm MAC_ADDR 00 0D 38 10 05 12 mE Links gt 5GHz Bridge Statistics El Done A teme Picture 21 Statistics Values on this page are automatically refreshed every minute You may manually press the refresh button of browser to get the updated data more frequent As RF signal strength is more critical for outdoor deployment purpose RSSI bar is refreshed every 2 seconds Note Due to frequent refresh of Statistics page it is strongly recommended that you close this page when performing network performance tests 31
10. IP you also follow the exactly same procedure as you set up the Master side PC 19 4 1 3 Master Slave Bridge Configuration 4 1 3 1 How To Start 1 Launch a Web Browser 2 Key in the default IP Address as URL Default IP Address is http 192 168 1 20 3 Enter Network Password Diagram will appear 4 Enter Username Admin Case Sensitive 5 Enter Password 5up Case Sensitive 6 Click OK when you finish Connect to 192 168 1 20 y1 Wireless LAN User name Admin Password eee Remember my password Picture 11 Enter Username and Password 20 4 1 3 2 Master Slave Bridge Configuration 4 1 3 2 1 After Login You will access by clicking the Management from left side menu A Web Interface Microsoft Internet Explorer File Edit View Favorites Tools Help a Geox gt x ao J search Shp Favorites Area ES B 3 a B Address http 192 168 1 20 Frameset htm Eeo inks Management NO_COUNTRY_SET NA vw O mr E E Done Internet Picture 12 Statistic Page 4 1 3 2 2 Region Country Set up 1 Click the Management on the left side of the Web page 2 Select the Country you want from the list Why you need to select the Country or Region is because different countries have its own RF regulation 3 You need to use the default Username and Password when you sign in for the first time
11. WEP subfield of the Frame Control field set to one and the value of the ICV as received in the frame does not match the ICV value that is calculated for the contents of the received frame 1 3 6 dot11WEPExcludedCount counter 2 1 1 jdot11MACAddress string Wireless MAC address of system 2 1 2 dot1i1ManufacturerlD string Value is Micorelectronics Technology Inc 21 3 dot11ProductlD string Value is BR5811 2 1 4 dot11ResourceTypelDName string Value is RTID 2 2 1 dot11RTSThreshold int 22 2 doti1SwTxRetryLimit int 22 3 jdott1HwTxRetryLimit int 22 4 doti1FragmentationThreshold lint 2 2 5 dot11MaxTxMSDULifetime int This value is 512 36 2 2 6 dot11MaxRxLifetime int This value is 512 2 3 1 dot11TxFragmentCount counter Tx MSDU on statistics web 2 3 2 dot11MulticastTxFrameCount counter web s Multicast Broadcast on statistics web 2 3 3 jdot11FailedCount counter TxError on statistics web 2 3 4 dot11RetryCount counter Excessive Retries on statistics web 2 3 5 dot11MultipleRetryCount counter 2 3 6 dot11FrameDuplicateCount counter Duplicated Frame on statistics web 2 3 7 _ dot11RTSSuccessCount counter 2 3 8 dot11RTSFailureCount counter 2 3 9 jdoti1ACKFailureCount counter 2 3 10 dot11RxFragmentCount counter Rx MSDU on statistics web 2 3 11 dot11MulticastRxFrameCount counter 2 3 1
12. make sure if there is no any obstruction in the middle of Line of Sign LOS To be sure there is no radio transmitter too close to the bridge s Antennas and relocated the Antennas if you have some around To check if you use too close frequency channels to cause the poor link and to set another channel To ping one and another IP address to make sure it will reply or not If all recovery measures fail the bridge still couldn t function properly and take this action as what we recommend Do not open the bridge box by yourself Contact the technical support experts for the troubleshooting If you do open the bridge you will lose the manufacture warranty 51
13. 2 dot11CRCErrorCount counter 2 3 13 dot11TxFrameCount counter Tx MSDU on statistics web 2 3 14 dot11WEPUndecryptableCount counter 3 1 1 1 RemoteBridgePhysAddr string The MAC address of remote bridges 3 1 1 2 RxRssiDom string The receiving RSSI in the unit of dBm If there is no signal the value is 3 1 1 3 TxRssiDom string The transmission RSSI in the unit of dBm If there is no signal the value is 3 1 2 BridgeDescr string The description of local Bridge 3 1 3 Distance int The distance set between local and remote Bridges 3 1 4 TxPower int full 0 half 1 quarter 2 eighth 3 min 4 3 1 5 AutoReboot int enable 1 disable 0 3 1 6 RssiAuxOutput int enable 1 disable 0 3 2 1 jdoti1CurrentChannel int Current channel the system is using 3 2 2 dot11CurrentTxRate int Current transmission rate in the unit of Kbps 37 3 2 3 dot11 TurboModeEnabled int enable 1 disable 0 38 6 Planning Linkage 6 1 Site Survey You need to consider the following operating and environmental conditions when performing a site survey e Data rates The sensitivity and the radio range are inversely proportional to data rates Therefore the maximum radio range is achieved at the lowest workable data rate and a decrease in receiver threshold sensitivity occurs as the radio data rate increases e Antenna type and placement Proper ant
14. ALink 5801a Wireless Outdoor Bridge User s Manual Version 3 2a April 10 2005 PREVIOUS HISTORY 1 0 April 2 2004 First draft 2 0 April 2 2004 Correct errors and the paragraph orders 25 May 25 2004 Second draft 3 0 June 15 2004 Edit the third part and correct errors 3 1a Dec 30 2004 Add the third part and correct errors April 10 2005 Correct errors and add feature FCC Notice C This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference 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 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected gt Consult the dealer or an experienced radio TV t
15. c chemical manual or otherwise without the prior written permission of our company Printed in the Taiwan The instructions in this manual have been carefully checked for accuracy and are presumed to be reliable The accuracy and adequacy of this document are the responsibilities of our company Please give us any comments or corrections to us 1 Introduction The ALink 5801a is designed for the outdoor environment lt will function under the strict weather as the following passages you see About the further protection the bridge and Power over Ethernet adapter are built with the lightning protector This advanced innovation is to help you to increase from the productivity cost effective mobile Internet access to other sections The ALink 5801a is a wireless building to building bridge solution The ALink 5801a provides the data rate up to 108 Mbps that is best suited for enterprises campus or off site locations that require LAN or Internet access without the availability of wired networks to extend the network coverage The ALink 5801a provides the point to point and point to multi point connection One of the ALink 5801a advanced feature is over the data rate section The bridge has two data rate modes one is the IEEE 802 11a and another is the IEEE802 11a turbo About the bridge under the IEEE 802 11a mode it supports the data rate from 6 Mbps to 54 Mbps Under the IEEE802 11a turbo mode it supports the data rate from 12 Mbps to
16. ce signal loss you should minimize the cable length and use only low loss antenna cable to connect your radio device to the antenna 43 6 3 4 Weather Affection The weather plays one of major matters to the antenna performance for the wireless communication The raining day the lightning day the cloudy day or the windy day will make a quite big impact to the both side antennas over the communication results It will also cause the communication quality unstable 44 7 Field Installation 7 1 Unpack the shipment 7 1 1 Required Tools m Utility knife B Clean and flat working surface Check the equipments and the installation kits against the packing list to ensure that the equipment part numbers parts and the ancillary equipments included in the shipment match what is specified on the packing list The shipment consists of an ODU and an installation kit in the container If there is any difference from the packing list you will need to contact the sales representative Please inspect the equipment to see if there is any shipping damage If it does have any damage you could contact the sales representative for repair or replacement 7 1 2 Product B ALink 5801a Outdoor Bridge x 1 7 1 3 Accessories Outdoor Mounting Kits x 1 Set DC Injector RJ45 RJ45DI 48 x 1 CAT5 25M RJ45 PoE Cable x 1 AC DC Power Supply DC48V 1 37A x 1 N Type to N Type RG 400 1 5M cable x 1 Installation Guide x 1 Utility and Use
17. cost effective wireless last mile solution service provider can have fast deployment time to market and successful business models The document is for your information to know more detail about ALink 5801a Weather proof Wireless Outdoor Bridge We will introduce the hardware part the software configuration and the field installation in the following chapters This manual is intended for those people who will install and operate the ALink 5801a Table of contents PREVIOUS USO is 2 PREFAGE O A 3 TABLE OF CONTENTS en anenven von onvenceronvencenensencenenvencenennencenensencenensescenennencenennencenenvenvenenvencenennescenennescenennencenenneneenenneneenenn d MANUAL CONVENTIONS 0 tr s 7 DISCLAIMER ect 8 2 ALINK 5801A HARDWARE FEATURE sven oa venvononvenvenonvenvenonvenvenonvenvenenvenvenensenvenensenvenenvenvenenvenvenenvenvenenvenverenee LO 2 1 HARDWARE OUTLINE cccccccccccccececececeseceseseseseseseeesesesesesesesesesesesesesesesesesesesesesesesesesesesesesesesescsesesesesesesesseesesessssssesseseeeees 10 2 2 HARDWARE ARCHITECTURE cccccccccccccecececececesecesesesesesesesesesesesesesesesesesesesesesesesesesesesesesesescsesesesesesesesesescsesessesecesesssesesees 10 2 3 PRODUCT FEATURE did 11 2A PRODUCT AND ACCESSORIES a a la 11 2 PRODUCT CONNECTION FEATURE a iio 12 2 5 1 External Antenna amp Power over Ethernet POE Cable ConnectoT oooooocononnccnnnononocononnnonnnnncnnnnnnncnnnn nn ncnnnnnnnnnn nos 12
18. e 6 Find out the IP and MAC address 16 4 Bridge ALink 5801a Configuration 4 1 The Master Slave side PC Network Configuration 4 1 1 How To Start Network Configuration on your PC Click the Start Menu and choose Setting 1 2 Click Network and Dial up Connection 3 Right click on the Local Area Connection and select properties e a i i Fie Edt View Favorites Tools Advanced Beck gt Search Folders lt 3 UG E X A Address JE jetwork and Dial up Connections E Mn a e rn Make Ne Network and Dial up Connection EEE Connections Create Shortcut Delete Local Area Connection Rename Type LAN Connection abled Intel 8255x based PCI Ethernet Adapter 10 100 Picture 8 Network Connection 17 4 1 2 Master Bridge side PC TCP IP Setup 4 1 2 1 Master side PC TCP IP Setup 1 After clicking on Property you will see the diagram as below 2 Marking the Internet Protocol TCP IP and click the Properties Local Area Connection Properties 7 gt General Authentication Connect using B SiS 900 PCI Fast Ethernet Adapter Components checked are used by this connection Y NvvLink NetBIOS a AM Link 1PSAAS PAM etBIOS Compatible Transport Proto Internet Protocol TCP IP Install Uninstall Properties Description Transmission Control ProtocalsIntemet Protocol The default wide area
19. e Edit view Favorites Tools Help Ar O O AAG Asner drets Qee O A I A L Address B http 192 168 1 20 Frameset htm mE Links gt Rebooting Neb Interface Mi gt DATA E ALCON MARK G aj O01 Microsoft Wor Picture 23 Rebooting Window When all the parameters have been setup according to the network configuration and requirements click Update and Reboot for parameter changes taking effect When starting reboot system will prompt you a rebooting window It usually takes at least 30 seconds to finish the reboot process 34 5 SNMP The system provides SNMP v2c read capability for the network management SNMP interface can be reached both locally and remotely The supported standard MIB including System of MIB II Interfaces of MIB II Address Translation of MIB II IP of MIB II ICMP of MIB II SNMP of MIB II Besides the enterprise MIB is also provided especially for Bridge management The OID prefix is 1 3 6 4 1 9442 1 3 OID field in the following table is shortened by specifying only the digits after prefix OID MIB Name Type Description 1 1 1 dot11StationID string Wireless MAC address of system 1 1 2 dot11DesiredSSID string The value shall be the same as SSID of system itself 1 1 3 dot11DesiredBSSType int The value shall be 1 1 Infrastructure 2 Independent 3 Any 1 1 4 dot11BeaconPeriod int The number of TU that shall use for scheduling Beacon
20. e the temporary blockage due to the moving objects such as cars trains or aircrafts Whore For the wireless link less than 500 m the IEEE 802 11a radio signal will tolerate some obstacles in the path and may not even require a visual line of sight between the antennas 41 6 3 1 Antenna Height The reliable wireless linkage usually depends on the both sides antennas for a clear radio line of sight The minimum height is up to the link distance obstacles that may be in the path topology of the terrain and the curvature of the earth for links over 2 miles For the long distance links the mast or the pole may need to be constructed to attain the minimum required height The following table is for you to estimate the required minimum clearance above the ground or path obstruction Total Link Distance Max Clearance for Approximate Total Clearance 60 of First Fresnel Clearance for Required at Zone at 5 8 GHz Earth Curvature Mid point of Link 0 25 mile 402m 45ft 14m o astidm 0 5 mile 805 m 6 4 ft 1 95 m po 64m 186m 1 mile 1 6 km 9 ft 27m fof Tm 2 miles 3 2 km 127 3 9 m 3 miles 4 8 km 15 6 ft 4 8 m 4 miles 6 4 km 18 55 m 5 miles 8 km 20 ft 6 1 m 7 miles 11 3km 24 7 3m 9 miles 14 5km 27 82m 12 miles 19 3km 31 95m Table 2 Estimated LOS Clearance Visual Line of Sight Radio Line of Sight 3 miles 4 8 km Picture 25 Antenna Height 42 For example the wi
21. eceived by Bridge Multicast Specifies the number of multicast packets both sent and received PHY Errors Specifies the number of receive PHY errors Receive Errors Specifies the number of receive errors 49 RSSI AUX Output Specifies the activation of RSSI AUX Output for antenna alignment RTS CTS Threshold Specifies the value of the RTS CTS threshold Enter a value between 256 and 2346 State Current state of Bridge Transmit Power Specifies the level of transmit power Choose the value of the transmit power from the dropdown menu Transmit Errors Specifies the number of transmit errors 50 Appendix B TROUBLESHOOTING The bridges could not associate appropriately with each other To make sure the cables is connected properly To check the POE adapter s green light is on or not To check the both Frequency settings are on the same channel or not To check the data rate is matched with one and another through the statistic RSSI display or the advance setting inside the Frequency setting To make sure you use the same encryption key on the both sides or during the bridge link To check the Antenna is aligned appropriately before the Bridge s association MAC If you experience the poor performance high package loss rate during the bridge link it is better for to check the following items To check the range is still inside the Antenna range limitation or not To make sure the Antenna is aligned properly again To
22. echnician for help vvv Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This device and its antenna s must not be co located or operating in conjunction with any other antenna or transmitter PREFACE We are so honored to offer you this product ALink 5801a Wireless Outdoor Bridge The ALink 5801a Wireless Outdoor Bridge is cost effective to expand or relocate your local wired networks LANs This advanced design suits the goal to create an unwired working environment The ALink 5801a with IEEE 802 11a feature is the wireless solution for building to building The ALink 5801a provides the data rate up to 108 Mbps and is suited for enterprises campus or off site locations that require LAN or Internet access without the availability of wired networks to extend network coverage The ALink 5801a provides point to point and point to multi point connection capabilities The wireless building to building bridging solution contains a state of the art wireless Bridge high gain performance antenna and power over Ethernet technology For further protection the bridge and power over Ethernet adapter have built in lightning protector The ALink 5801a provides the alternative solution for last mile connection By leveraging the IEEE 802 11 s volume power and low cost ALink 5801a Link provides very cost effective solution to carriers With the
23. ects resulting from improper or inadequate maintenance by buyers buyer supplied software interfacing unauthorized modification inappropriately use operation out of the product environment specifications or improper site preparation and maintenance No any other warranty is expressed or implied We specifically disclaim the implied warranties of merchantability and fitness for a particular purpose 2 8 Requirement B An FTP server is required for update bridge firmware B The Ethernet connection is required for the initial Bridge configuration 13 2 9 Feature Summary Provide the Ethernet to Wireless LAN Bridge fully compatible on IEEE 802 3 Ethernet side and fully interoperable with IEEE 802 11a compliant equipments The Ethernet interface with 10 100Base T The operating mode is for IEEE 802 11a infrastructure The dynamic data rate switching with 6 9 1 2 18 24 36 48 54 and turbo mode provided by Atheros Chip allows auto fallback data rate for optimized reliability throughput and transmission range Using the FTP to upgrade the Firmware The 17dBi directional flat panel antenna offers up to 20 km transmission range with the 6MHz data rate The lightning protector Outdoor environment 14 3 IP Discover Utility A simple Windows Utility is supplied on the CD This utility can be used to locate the IP address of the ALink 5801a Outdoor Bridge on the same sub network segment Although the ALink 5801a Outdoor Brid
24. ees See dd aN erdee oe neen 46 72 4 CONnNCCUING Teclea shes E 8 oh Bas Hi aebber dees Needed Nesten hades Mert E SE 47 7 2 9 General Antenna and Safety Tips a A one 47 72 0 BASIC Antenna Alignment marne nternet A Ree Meeteren dare 48 LLL ESD Pro enaties Bede Nette Neeter Meetnet en 48 72 8 REVIEW TN EMMA a ds 48 APPENDIX AA TR 49 OLOSSAR Y iia did 49 APPEND UX SB stiiccdicsieccsacesenssbsstasacvsestestaasosossastescavesceseaandesteatecsoesssstsasasesseustesceatecsessousesestscasiedsesogsudeatoatesseadesadeassadeceassoueassbeatesse 51 TROUBLESHOOTING miii dai eii ts 51 Table of contents Picturel Bridge outlook Picture2 Bridge Architecture Picture 3 Bridge Picture 4 Connection Picture 5 IP Discover Tool Picture 6 Find out the IP and MAC address Picture 7 Start Menu Picture 8 Network Connection Picture 9 Local Area Connection Properties Picture 10 Internet Protocol Properties Picture 11 Enter Username and Password Picture 12 Statistic Page Picture 13 Region Country Setup Picture 14 Manually setup IP address Picture 15 Auto Get IP Picture 16 5GHz Bridge Master Picture 17 5GHz Bridge Slave Picture 18 Master Bridge Security Setup Picture 19 Slave Bridge Security Picture 20 Master Slave Bridges Connections Picture 21 Statistics Picture 22 Firmware Upload Web Page Picture 23 Rebooting Window Table 1 Evaluated Maximum Distance Picture 24 Line of Sight LOS Table 2 Estimated LOS Clearance Picture 25 Antenna Hei
25. enna configuration is a critical factor in maximizing radio range As a general rule the radio range increases in proportion to antenna gain and height Physical environment Clear or open areas provide better radio range than closed or filled areas Clear line of sight LOS is required to establish a good and reliable wireless link Obstructions Metal shelving or a steel pillar can hinder devices To avoid placing these devices in locations where those obstructions are between the sending and receiving antennas 39 6 2 Data Rate According to the following table you will have the idea about over what range the ALink 5801a with what kind of antenna could operate under what data rate You might also know the relationship between the data rate and the maximum radio range for example the bridge with 17dBi antenna could operate well under 6 Mbps data rate within 17 KM Data Rate Maximum Distance Maximum Distance 17dBi Antenna 23dBi Antenna 6 Mbps 17 72 KM 30 79KM 9 Mbps 16 82KM 29 36 KM 12 Mbps 16 07KM 28 07 KM 18 Mbps 14 64KM 25 60 KM 24 Mbps 11 66 KM 20 26 KM 36 Mbps 8 21 KM 16 85 KM 48 Mbps 3 72KM 12 23 KM 54 Mbps 1 84 KM 7 32 KM Table 1 Evaluated Maximum Distance 6 3 Planning Radio Path For the wireless communication the Line of Sight LOS will be the major issue over building up the wireless link This evaluated procedure is to reduce the obstructions and
26. es outside of this range may cause the unit to fail Wind Velocity The wireless bridge can operate in winds up to 90 MPH and survive higher wind speeds up to 125 MPH You must consider the known maximum wind velocity and direction at the site and be sure that any supporting structure such as a pole mast or tower is built to withstand this force Lightning The wireless bridge includes its own built in lightning protection However you should make sure that the unit any supporting structure and cables are all properly grounded Additional protection using lightning rods lightning arrestors or surge suppressors may also be employed Range The wireless bridge has been refined and optimized for long range application up to 28Km under the Basic data mode and 14Km at the Turbo mode Rain The wireless bridge is weatherproofed against rain and prolonged heavy rain has no significant effect on the radio signal You may need to use the sealing tape around the Ethernet port connector for extra protection If moisture enters the connector it may cause degradation in performance or even a complete failure of the link 2 4 Product and Accessories TONMOOJW gt ALink 5801a Master Slave Bridge CAT5 25M RJ45 PoE Cable DC Injector RJ45 RJ45DI 48 N Type to N Type RG 400 1 5M cable AC DC Power Supply DC48V 1 37A Installation Guide Utility and User s Manual CD Installation kits 11 2 5 Product Connection Feature
27. ge has a default IP address this utility useful when the network administrator forgets the modified IP address Before using this utility please make sure the system firewall installed in your PC is Disable Below the installation and usage procedure 1 Insert the Utility and User s Manual CD into the CD ROM drive 2 Once the menu screen appears click on the IP Discover Tool for installation If the menu screen dose not appears enter E Utility setup exe Assume E is your CD ROM drive Flow the prompts to complete the installation After the installation completes you can start this utility from Start gt Program Files gt lIpDiscover1 1 gt IpDiscovert 1 Once the utility is executed the below screen will pop up The Interface IP shows the current IP address of your computer IP Discovery Tool 1 1 Setting IP Address Ethernet MAC Address Interface IP 192 168 1 15 Stopped Picture 5 IP Discover Tool 15 5 Click on the Scan button for the utility to start searching And the utility will display the IP address and MAC address of the available ALink 5801a Outdoor Bridge Now you can using a web browser to access the management interface with the IP address IP Discovery Tool 1 1 Setting IP Address Ethernet MAC Address Interface IP 00 0D 3B 10 03 7B 192 168 1 15 y Double click the item to brower it Find 1 device s Pictur
28. ght Picture 26 The Bridge with the omnidirectional antenna Picture 27 Mount the ODU on the Mask or the Pole MANUAL CONVENTIONS Bold Bold type within paragraph text indicates commands file names directory names paths output or returned values Within commands italics indicate a variable that the user must specify Titles of manuals or other published documents are also set in italics pee fre courier font indicates output or display Within commands items enclosed in square brackets are optional parameters or values that the user can choose to specify or omit i commands item enclosed in braces are options from which the user must choose tin conmands mover pares pons frei ina eatin reco arameo NOTE This message denotes neutral or positive information that calls out important points to the text A note provides information that applies only in special cases A Caution Cautions call special attention to hazards that can cause system damage or data corruption to a lesser degree than warnings Al Warnings Warnings call special attention to hazards that can cause system damage data corruption personal injury or death DISCLAIMER ALink 5801a Wireless Outdoor Bridge User Manual Document No 50 5000 REV 3 2a April 10 2005 Any part of this publication could not be copied stored in a retrieval system or translated into any language or computer language in any form or any means electronic magneti
29. gs A directional antenna must be properly aligned to the point at the other antenna Locate an omnidirectional antenna in the middle of the desired coverage area if possible Place the antenna as high as possible to increase the coverage area Outdoor antennas should be mounted at a sufficient height to prevent the radio path from above the obstructions such as trees and buildings Antenna towers should keep a safe distance from overhead power lines The recommended safe distance is twice the tower height Use the special ground rods and follow the National Electrical Code for the outdoor antenna and tower grounding properly To prevent water from entering into the antenna cable and be sure to seal all external cable connectors using commercial products just like coax compatible electrical tape and Coax Seal 47 7 2 6 Basic Antenna Alignment When you use directional antennas to communicate between two bridges you must manually align the antennas for proper bridge operation Directional antennas have greatly reduced radiation angles The radiation angle is approximately 25 to 30 degrees and the parabolic dish antennas radiation angle is approximately 12 5 degrees You can use the link testing tool to help measure the alignment of two antennas after the bridges are associated The link testing tool provides you information you can use to gauge the alignment 7 2 7 ESD Protection The ESD electrostatic discharge can damage
30. nd disabled by default lt is suggested you enable this function when the network configuration is complicated Update 13 Click and Reboot the system after setting 26 eb Interface Microsoft Internet Explore a File Edit View Favorites Tools Help Qee x g cA pO Search She Favorites rete O Cz Al gt La E http 192 168 1 20 Frameset htm v EJ co links gt De Sees gt Management 5GHz Bridge gt IP Address gt 56 Bridge Bridge Type Master Bridge Slave Bridge A ye Remote Bridge MAC Address 00 0D 38 10 05 20 gt Bridge Statistics E E format AA BB CC DD EE FF gt File Upload gt System Info Reboot Bridge Security off Setup T Wireless Mode 5GHz 54Mbps 802 11a v Channel 5745MHz Channel 149 Data Rate Mbps best Y Transmit Power Full Y RTS CTS Threshold 2346 256 2346 Distance KM 1 1 28 Super Bridge Mode C Compression O Bursting O Fast Frame Auto Reboot Oon off Spanning Tree Protocol O On Off E Done Internet Picture 16 5GHz Bridge Master File Edit View Favorites Tools Help ay Q E x 2 E search J Favorites Sri O A 2 a s E http 192 168 1 20 Frameset htm v Eco Links gt AAA A 5GHz Bridge _ UPDATE gt Management Bridge Type Master Bridge Slave Bridge gt IP Address 2 hs Remote Bridge MAC Address 00 0D 3B 10 05 20 gt 56 Bridge format AA BB CC DD EE FF Bridge Statistics gt File U
31. network protocol that provides communication across diverse interconnected networks I Show icon in taskbar when connected OF Cancel Picture 9 Local Area Connection Properties 4 1 2 2 Master Bridge Side PC IP MAC Address Set up 1 Use IP address ex 192 168 1 2 under the same Bridge subnet and Bridge Default IP Address 192 168 1 20 2 Using the default Subnet Mask Setting During the first time Default value 255 255 255 0 3 Keep the Default Gateway as Blank 4 Keep the DNS Server Address as Blank also 5 Click OK when you finish setting and Close the Window 18 Internet Protocol TCP IP Properties ax General You can get IP settings assigned automatically if pour network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 168 1 2 Subnet mask p55 255 255 0 Default gateway E Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server 2 Alternate DNS server f E 7 Advanced coca Picture 10 Internet Protocol Properties 4 1 2 3 Slave Side PC Configuration and TCP IP set up 1 About the Salve side PC Configuration you just following the same Set up method as how you set the Master side 2 As TCP
32. ommended to follow the following suggestions For Master Bridge it is recommended to set data rate into best on Master Bridge to communicate with Slave Bridges of different distance and signal strength For Slave Bridge it is recommended to check or predict the received signal strength at the Slave Bridge and pick a supported data rate according to the following table Note 3 to 5dB additional margin is recommended to maintain a reliable link Basic Mode Turbo Mode Modulation Data Rate Minimum Data Rate Minimum Mbps RX Sensitivity Mbps RX Sensitivity BPSK 6 88 12 85 BPSK 9 87 18 84 QPSK 12 86 24 83 QPSK 18 84 36 81 16QAM 24 81 48 78 16QAM 36 76 72 73 64QAM 48 72 96 69 64QAM 64 68 108 65 Table 1 5GHz RX Sensitivity VS Data Rate 7 Transmit Power Available selection of Transmit Power are Full Half 3dB Quarter 6dB Eighth 9dB and Minimum Select the appropriate Transmit Power according to the distance and environmental factor between Bridges 8 RTS CTS Threshold In order to prevent the transmission collision in a hidden 25 nodes environment Bridge may send a RTS Request To Send before transmitting the data frame and expect to receive a CTS Clear To Send from remote Bridge You may define a threshold for those frame size greater than the threshold need to activate RTS CTS mechanism The valid range is between 256 and 2346 Set low val
33. pload gt System Info Bridge Security off Setup gt Reboot Wireless Mode SGHz 54Mbps 802 113 v Channel 5785MHz Channel 157 AAA Data Rate Mbps best Transmit Power Full v RTS CTS Threshold 2346 256 2346 Distance KM 1 1 28 Super Bridge Mode Compression O Bursting Y Fast Frame Auto Reboot O on off Spanning Tree Protocol O on off E Done Internet Picture 17 5GHz Bridge Slave Security Setting Master Slave side Share Unique Key To have a secured data transmission Outdoor WLAN Product provides 3 encryption mechanisms 2 64 bit WEP 10 Hex Digits 5 ASCII Keys 128 bit WEP 26 Hex Digits 13 ASCII Keys 152 bit WEP 32 Hex Digits 16 ASCII Keys The key entry method can be in either Hexadecimal or ASCII Text The security setting between Master and Slave Bridge are different Note It is required to have the same security setting between Bridges to communicate File Edit view Favorites Tools Help A Om O HAO Por ferm que 2 2 0 1 Address E http 192 168 1 20 Frameset htm EJee uns gt Master Bridge Security O O 64 bit WEP 10 Hex 5 ASCII Internet Picture 18 Master Bridge Security Setup 1 Master Bridge Security Enable Disable bridge s security setting 2 Entry Method Hexadecimal The key input must be hexadecimal 0 9 A F ASCII Text The key input can be any character 3 Encryption Type The encry
34. ption mechanism can be 64 128 152 WEP Master Side A Share Key Hexadecimal ASCII Mode When Share Key is set all Master Slave links use this key to encrypt except the link s specified with Unique Key To setup Share Key please input Entry 28 Method and Encryption Type first B Unique Key In some special applications you may need to assign different key for each Master Slave link instead of the same key for all links It can be done by setting up Unique Key per MAC address of Slave Bridge Note It is required to have the same security setting between linked Bridges to communicate Slave Side Slave Bridge security setting may apply on bridges of Point to Point network as well as Point to Multipoint network For a Point to Point bridging network 2 bridges to communicate each other need to use the same key of same encryption type For a Point to Multipoint bridging network the key and encryption type need to be the same with Unique Key setting assigned to this Slave Bridge Or if there is no corresponding Unique Key being assigned on Master Bridge then Slave Bridge should follow the Share Key assigned on Master Bridge 3 Web Interface Microsoft Internet Explorer File Edit View Favorites Tools Help LJ Om O BEG Pare ferme Om 8B 3 0 Address E http 192 168 1 20 Frameset htm wije Links gt Slave Bridge Security O O 64 bit WEP 10
35. r s Manual CD x 1 45 7 2 Installing the ODU 7 2 1 Required Tools 1 Screw Driver 2 Sealing Type 7 2 2 Installed Accessories Antenna Mounting Set x 1 Grounding rod x 1 Waterproof Seal Ethernet Cable x 1 SoS 7 2 3 How to Mount the Bridge You could follow the steps to mount the bridge as below Antenna Mast onu Nuts gt U Clamp Bracket To Ant To DC Injector ODU Plug Picture 27 Mount the ODU on the Mask or the Pole 46 7 2 4 Connecting the cable An Ethernet cable connects to the power over Ethernet P O E output port Another Ethernet cable RJ 45 the crossover cable connects to the Power over Ethernet P O E input port The POE AC Adapter supplies the AC power to the bridge system 7 2 5 General Antenna and Safety Tips When installing an antenna follow these general tips For most elevated antenna installations we recommend you to ask the professional installers for proper installation and safety For the safety reasons you are recommended never to touch a high gain antenna when it is transmitting or point it at any part of your body Please follow carefully the instructions with your antenna Keep antennas away from metal objects obstructions heating and air conditioning ducts large ceiling trusses building superstructures and major power cabling runs Use a directional antenna when you establish a link between two buildin
36. reless link between the building A and the building B is located three miles 4 8 km away There is a tree covered hill in the mid way From the table above it can be seen that for a three mile link and the object clearance required at the mid point is 5 4 m 17 6 ft The tree covered hill height is at an elevation of 17 m 56 ft so the antennas linkage on both sides need to be at least 22 4 m 73 ft high The building A is six stories high or 20 m 66 ft so the mast or pole with 2 4 m 7 9 ft must be constructed on its roof to meet the required antenna height The building B is only three stories high or 9 m 30 ft but it is located at an elevation that is 12 m 39 ft higher than the building A A mast or pole is required to mount an antenna at the required height 1 4 m 4 6ft on the roof of building B 6 3 2 ANTENNA TYPES Each antenna must have the FCC approved for use with the bridge The antennas provide omnidirectional directional or diverse coverage and support various communication distances Antennas are available with different gain ratings and coverage areas The following figure is to show you one of these combinations for example the Bridge comes with the omnidirectional Antenna External Omnidirectional Antenna Coaxial Cable Picture 26 The Bridge with the omnidirectional antenna 6 3 3 Antenna Cable An antenna cable introduces signal losses in the antenna system for both the transmitter and receiver To redu
37. rk architecture you need one bridge loaded with Master Bridge as host to wireless connect with the multiple remote bridges loaded with Slave Bridge s Remote Bridge MAC Address In order to establish the wireless link between bridge radios the MAC address of remotes bridge s need to be registered in the address table Type the MAC address with format XX XX XX XX XX XX x is the hexadecimal digit and use Add and Delete button to edit the address table A Master Bridge Radio may accommodate up to 4 remote MAC addresses Bridge Security Please refer to Bridge Security Setting in the next section Wireless Mode There is two modes provided 54Mbps 802 11a and 108Mbps 802 11a Turbo The mode of 108Mbps offers the double data rate than of 54Mbps Channel Select a radio channel according to the availability or system plan It is required for Bridges having the same radio frequency to communicate each other SmartSelect is NOT recommended for the bridge applications Data Rate Available data rate range is dependent on the selection of Wireless 24 Mode in 5GHz Radio Basic Setting page Rates of 6 9 12 18 24 36 48 and 54Mbps are supported for the wireless mode of 54Mbps 802 11a And rates of 12 18 24 36 48 72 and 108Mbps are supported for the wireless mode of 108Mbps 802 11a Turbo The mode of 108Mbps offers the double data rate than of 54Mbps Al Note In order to maximize the system performance it is rec
38. t htm mE ins gt Management _ UPDATE NO_COUNTRY_SET NA vw O Picture 13 Region Country Setup 22 4 1 3 2 3 Master Slave side IP MAC Address first time Set up 1 Bridge Default IP Address 192 168 1 20 to do the first time set up and you could change the IP Address you have after signing 2 Default value 255 255 255 0 for the first time set up 3 Keep the Default Gateway as Blank or set it up if you have your own Default Gateway 2 Web Interface Microsoft Internet Explorer File Edit View Favorites Tools Help a Q O DAG Po Jr que O 8 2 O0 Address http 192 168 1 20 Frameset htm vide uns gt IP Address Internet Picture 14 Manually setup IP address O that every radio in the same network must be assigned a unique IP address So you may need to have a network plan before deployment Enter the IP address Subnet Mask and Gateway Address according to the planning If there is no gateway in the network you may leave it all zeros 23 E Done IP Address Picture 15 Auto Get IP This will get the IP address from DHCP server if you have DHCP server enable in your subnet 4 1 3 2 3 Configure 5GHz Bridge Setting Radio Setting 1 2 2o 6 Bridge Type If the application is only for Point to Point architecture the set it as Slave one on each side lf the intended configuration is for Point to Multipoint netwo
39. the electronic components The ESD can cause latent damage that results in premature failure even if components remain function The equipments must be properly grounded The technical people always need to wear the proper ESD grounding straps and make sure the ESD grounding strap connecting to the ESD connector during equipment installation maintenance and repairs 7 2 8 Review the Installation When you finish installing the bridges and aligning the Antennas you need to secure all cable connection is tight properly Secure the Antenna mounting set is tight after the alignment Check the cable connection is between the Antenna and the bridge is tightly Make sure the grounding strip is properly connected to the Ground Check the cable to POE adapter is connected correctly Make sure the cable from the PC or the notebook to the POE adapter is connected appropriately Make sure the POE adapter s light is on Make sure you use the right cables during the installation Make sure all connectors are sealed with the waterproof seal Configure the ODU with the setting you want before the field installation Check if the both side bridges having the same radio settings Make sure you set up the both MAC address on each side After taking all of these checks you need to use the Web UI to test the link quality and to see if the RSSI value is in the right value range You might need to do the Antenna alignment again if the performance is not good
40. to avoid the multiple path signal degrading the communication quality The first requirement is the Line of Sight LOS between the both sides Antennas The radio line of sight concept is the area along the radio linking path through which is the bulk of the radio signal power travels The area is known as the first Fresnel Zone of the radio link For the radio link it should avoid to be affected by obstacles in this path including the ground within 60 of the first Fresnel Zone The following figure illustrates the concept of a good radio line of sight 40 Visual Line of Sight Radio Line of Sight Picture 24 Line of Sight LOS If there is any obstacle in the radio path it may still be a radio link but the quality and the signal strength will be affected Ensuring the maximum clearance from objects on a path is important to locate the antennas and the height For the long distance links the radio signals might be lost partially due to the non LOS issue As we setup the radio path for the wireless bridge link it needs to consider these factors e Avoid any partial line of sight between the antennas e Be aware of trees that may be near the path or obstruct the path e Make sure there is enough clearance from buildings and there is no any building or construction blocking the path e Check the land topology between the antennas using topographical maps aerial photos or even satellite image data e Avoid a path that may hav
41. transmissions 1 1 5 jdot11DTIMPeriod int The number of beacon intervals that shall elapse between transmission of Beacons frames containing a TIM element whose DTIM Count field is 0 1 1 6 dot11PrivacyOptionImplemented int This value is 1 if WEP is implemented 1 1 7 dot11OperationalRateSet string This string contains 16 O s 1 1 8 dot11AuthenticationAlgorithm lint 1 Open system 2 Share key 1 1 9 N A 1 1 10 N A 1 1 11 dot11CountryString string Identify the country the system is operating 35 1 2 1 dot11DisassociateReason int 1 2 2 dot11DisassociateStation string 1 2 3 doti11DeauthenticateReason int 1 2 4 dot11DeauthenticateStation string 1 2 5 dot11AuthenticateFailStatus int 1 2 6 dot11AuthenticateFailStation string 1 3 1 dot11Privacylnvoked int When this attribute is true it shall indicate that the IEEE 802 11 WEP mechanism is used for transmitting frames of type Data 1 3 2 dot11WEPDefaultKeyID int This attribute shall indicate the use of the first second third or fourth element of the WEPDefaultKeys array when set to values of zero one two or three 1 3 3 dot11WEPKeyMappingLen int The maximum number of tuples that dot11 WEPKeyMappings can hold 1 3 4 dot11ExcludeUnencrypted int 1 3 5 dot11WEPICVErrorCount counter This counter shall increment when a frame is received with the
42. ue to this threshold may avoid collision but the RTS CTS frame would consume bandwidth Distance Setup Bridge Distance according to the longest link distance between the Master and Slaves in the network The input needs to be greater than or equal to the real distance The range can be from 1KM to 28KM 10 Super Bridge Mode Super Bridge Mode provides three mechanisms to improve the bridge throughput o Compression Frame is compressed by hardware before transmitting Note that the compression may save bandwidth but would consume frame process time Incase the data is already compressed eg mpeg frame please do NOT turn on this function Bursting Turning on Bursting function enables multiple frames are transmitted at SIFS intervals which may reduce transmission overhead But this may increase packet error rate on the other side Fast Frame Turning on Fast Frame function enables two Ethernet frames bundled into a single wireless frame Al Warning 1 It is required to setup the same options of Super Bridge Mode between Bridges to communicate Al Warning 2 lt very depends on the deployed site environment to decide whether turning on Bursting amp Fast Frame function or not 11 Auto Reboot With this function enabled Bridge will reboot itself automatically while there is no data received for 30 seconds This function is disabled by default 12 Spanning Tree Protocol This function is to prevent the network loop a
Download Pdf Manuals
Related Search