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4.4 Multi-Path Fading

Because a 6900 Series typically transmits its strongest signals in a cone-shaped pattern,
some of the signal may be reflected from a nearby building, from water under the signal path,
or from other RF reflectors. This reflected signal can then be received by the far- end 6900
series and superimposed on the main signal, usually degrading the signal strength.

4.5 Relationship between data rate and distance

With increasing of distance, data rate (throughput) will decrease.

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Summary of Contents for 6917

Page 1: ...6900 Series 2 4GHz Long Range Wireless LAN Access Point Bridge Installation and Operation Manual Ver 2 0 JUN 2006 ...

Page 2: ...1 ...

Page 3: ...requency Electromagnetic Fields 3 kHz to 300 GHz Microwave signal levels that give rise to hazardous radiation levels can exist within transmitter power amplifiers associated RF multiplexers and antenna systems Do not disconnect RF coaxial connectors open microwave units or break down any microwave screening while the radio equipment is operating Federal Communication Commission Interference State...

Page 4: ...oved by the party responsible for compliance could void the authority to operate equipment Federal Communications Commission FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator your body Federal Communications Commission F...

Page 5: ...oor Unit Installation 11 2 3 Mounting Bracket on Mast with U bolts 13 2 4 Indoor Unit Installation 14 Chapter 3 Quick Start First time use 15 3 1 Typical Deployment of 6900 Series in a Point to Point Configuration 15 3 2 To set the Base Station unit BU 16 3 3 To set the Remote unit RU 20 3 4 Running Test 24 Chapter 4 Choosing a Mounting Location 27 4 1 Antenna Polarization 27 4 2 Antenna Radiation...

Page 6: ...installation 6900 Series achieves rapid Return On Investment ROI for inter building connection compared to T1 leased line with high capacity and high data throughput The 6900 Series is intended for professional installation only This manual however is also designed for personnel who plan operate and administrate the 6900 Series communication system Please review the entire manual before powering u...

Page 7: ...1 3 Applications of the 6900 Series The 6900 Series is designed to serve the following communications markets 6 ...

Page 8: ...7 ...

Page 9: ...ireless network Point to Point mode and Point to Multipoint mode Point to Point Connectivity PTP Mode This is the simplest network configuration in which several computers equipped with the PC cards or client bridges that form a wireless network whenever they are within range of one another Point to Multi point Connectivity PTMP mode 8 ...

Page 10: ...ure that none of the items listed below are missing Do not discard the packing materials in case of return the device must be shipped in its original package Outdoor unit DC injector 48Vdc power Adapter Installation CD Screws Mounting Kit Installation and Operation Manual 9 ...

Page 11: ...E Splitter set Output 12vdc 1 2A D Nylon cable gland IP68 Working Temp 40 100 E EMI prevent wire To avoid electromagnetic interference F Two layers silica gel having double waterproof G Half screw Not to fall H Access Point Bridge IEEE 802 11b g compliant LED on the AP Bridge description On the AP Bridge there are LED lights that inform you of the AP Bridge s current status Below is an explanation...

Page 12: ...tivity Green Green On Flash Off A valid link is established It is transmitting or receiving data No link is established Indoor unit DC injector A Power LED The Light is green Power is supplied B DATA IN TO connect PC Notebook or network C P DATA OUT TO connect 6900 series outdoor unit D Power in TO connect 48vdc adapter 2 2 Outdoor Unit Installation Step 1 Ethernet cable to pass through Nylon cabl...

Page 13: ...Step 2 Ethernet cable to connect POE Splitter set Step 3 POE Splitter set to connect AP Bridge Step 4 Antenna to connect AP Bridge Step 5 To screw the housing 12 ...

Page 14: ...2 3 Mounting Bracket on Mast with U bolts Step 1 To fix pole mounting bracket Step 2 To fix pivot adapter bracket Step 3 To fix pole clamp Step 4 To adjust the angles 13 ...

Page 15: ...2 4 Indoor Unit Installation 14 ...

Page 16: ...Chapter 3 Quick Start First time use 3 1 Typical Deployment of 6900 Series in a Point to Point Configuration 15 ...

Page 17: ...e Control Panel double click Network Connections and then double click on the connection of your Network Interface Card NIC You will then see the following screen Step 2 Select Internet Protocol TCP IP and then click on the Properties button This will allow you to configure the IP address of your PC You will then see the following screen 16 ...

Page 18: ...the Bridge through the web browser enter the IP address of the Bridge into the address bar of the web browser default IP 192 168 2 1 and press Enter If it cannot work pleas press the reset button which is on AP Bridge Please see the reference of the enclosed picture RESET button Step 6 A screen will be popped up and request you to enter user name and password The default user name and password is ...

Page 19: ...Step 7 After you login you will see the following screen Step 8 Check Status Choose the item HOME After this step you will see the following screen IP Address AP MAC Address 18 ...

Page 20: ...elect AP Bridge Point to Point To select Channel 11 Key in another s AP MAC address Step 10 Please key in the number of Remote unit RU to the column of AP MAC Address If you don t know the values please look for the 3 3 set the RU to run step 8 then to search the number Step 11 To choose 802 11g of Mode column Step 12 To change the values of channel to 11 19 ...

Page 21: ...ontrol Panel double click Network Connections and then double click on the connection of your Network Interface Card NIC You will then see the following screen Step 2 Select Internet Protocol TCP IP and then click on the Properties button This will allow you to configure the IP address of your PC You will then see the following screen 20 ...

Page 22: ...the Bridge through the web browser enter the IP address of the Bridge into the address bar of the web browser default IP 192 168 2 1 and press Enter If it cannot work pleas press the reset button which is on AP Bridge Please see the reference of the enclosed picture RESET button Step 6 A screen will be popped up and request you to enter user name and password The default user name and password is ...

Page 23: ...Step 7 After you login you will see the following screen Step 8 Check Status Choose the item HOME After this step you will see the following screen IP Address AP MAC Address 22 ...

Page 24: ...ct AP Bridge Point to Point To select Channel 11 Key in another s AP MAC address Step 10 Please key in the number of Base station unit BU to the column of AP MAC Address If you don t know the values please look for the 3 2 set the BU to run step 8 then to search the number Step 11 To choose 802 11g of Mode column Step 12 To change the values of channel to 11 23 ...

Page 25: ... Station BU IPNet tuner which is one of the products in Sustainable Softworks Company is inclosed in the installation CD It is a full functional 21 day trial If you need the further help or information please search on http www sustworks com site prod_iptx_overview html 24 ...

Page 26: ...Step 2 To execute IPNet tuner and make some sets as followed Step3 To test the data rate when pressing the test 25 ...

Page 27: ...e maximum Step3 After receiving the maximum the BU and RU is connected to be the WLAN Step4 If it cannot work please see the reference of chapter 3 4 and re execute step 3 to step 5 Step5 There are a lot of factors that will effect the maximum of data rate such ad angles distance polarization etc please see the chapter 4 26 ...

Page 28: ...d antenna radiates and receives vertically polarized radio signals Polarization helps reduce interference because the antenna tends to reject cross polarized signals from other sources a Polarization is the same Correct Good Good b Polarization is different No correct Bad Bad 27 ...

Page 29: ... all around 4 3 Signal Path Clearance Fresnel Zone The Fresnel Zone is the area around the visual line of sight that radio waves spread out into after they leave the antenna You want a clear line of sight to maintain signal strength especially for 2 4 GHz wireless systems 28 ...

Page 30: ...ted from a nearby building from water under the signal path or from other RF reflectors This reflected signal can then be received by the far end 6900 series and superimposed on the main signal usually degrading the signal strength 4 5 Relationship between data rate and distance With increasing of distance data rate throughput will decrease 29 ...

Page 31: ...cientific Medical Band Radio Technology DSSS OFDM Data Rate 54 48 36 24 18 12 11 9 6 5 5 2 1 Mbps auto fallback Security 64 128 bit WEP Encryption RF Transmission power Type A Output Power 2 WATTS 33dBm Type B Output Power 1 WATT 30dBm Sensitivity 70dBm 54Mbps Power Supply DC48V 0 38A 100V 240V for AC adaptor Operating Temperature 0 C 55 C Operating Humidity 0 90 Non condensing Certification FCC D...

Page 32: ...age and click Apply button this page will pop up The settings have been successfully saved but will not take effect immediately You have to restart the access point to make the new settings take effect You can click CONTINUE button to continue other settings You also can click APPLY to restart the system and make the settings take effect 31 ...

Page 33: ...B 1 Status and Information On this screen you can see the general information of the Access Point including Alias Name Firmware Version ESSID Channel Number Status IP Address MAC Address etc 32 ...

Page 34: ...idge more than two wired Ethernet networks together you have to use enough access points with AP Bridge Point to Multi Point mode An access point with AP Bridge Point to Point mode or AP Bridge Point to Multi Point mode can only be used to bridge wired Ethernet networks together It can t accept connection from other wireless station at the same time If you want an access point to bridge wired Ethe...

Page 35: ...AP mode setting page 34 ...

Page 36: ...Station Ad Hoc mode setting page 35 ...

Page 37: ...Station Infrastructure mode setting page 36 ...

Page 38: ...AP Bridge Point to Point mode setting page 37 ...

Page 39: ...AP Bridge Point to Multi Point mode setting page 38 ...

Page 40: ...AP Bridge WDS mode setting page 39 ...

Page 41: ...LANs Please make sure that the ESSID of all stations in the same WLAN network are the same The default ESSID is default You should assign ESSID in AP mode Station Ad Hoc mode Station Infrastructure mode AP Bridge WDS mode and Universal Repeater mode Band It allows you to set the AP fix at 802 11b or 802 11g mode You also can select B G mode to allow the AP select 802 11b and 802 11g connection aut...

Page 42: ... the PC you are using to configure this device Root AP SSID In Universal Repeater mode this device can act as a station to connect to a Root AP You should assign the SSID of the Root AP here Set Security In AP Bridge Point to Point mode AP Bridge Point to Multi Point mode and AP Bridge WDS mode you can click Set Security to add encryption for the communication between the bridged access points Thi...

Page 43: ...WPA TKIP WPA2 AES encryption methods Parameter Description Encryption You can select No encryption WEP 64bits WEP 128bits WPA TKIP or WPA2 AES encryption methods Key Format This is only used when you select WEP 64bits or WEP 128bits encryption method You may select to select ASCII Characters alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range to be the WEP Key For example ASCII ...

Page 44: ...red Key Format You may select to select Passphrase alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range to be the Pre shared Key For example Passphrase iamguest Hexadecimal Digits 12345abcde Pre shared Key The Pre shared key is used to authenticate and encrypt data transmitted between the bridged access points Fill the text box by following the rules below Hex WEP input 64 digit ...

Page 45: ...ckets Number of Received Packets and Encryption Status of each active wireless client in this table Parameter Description MAC Address MAC address of this active wireless station Tx Packet The number of transmitted packets that are sent out from this active wireless station Rx Packet The number of received packets that are received by this active wireless station TX Rate The transmission rate in Mb...

Page 46: ...efresh Refresh the Active Wireless Client Table Close Refresh the Active Wireless Client Table Wireless Site Survey When this access point is in Station Ad Hoc mode Station Infrastructure mode or Universal Repeater mode it should associate with an access point or station and connect to your wireless LAN through the associated access point or station Wireless Site Survey searches for all available ...

Page 47: ...int Parameter Description Authentication Type There are two authentication types Open System and Shared Key When you select Open System wireless stations can associate with this access point without WEP encryption When you select Shared Key you should also setup WEP key in the Encryption page and wireless stations should use WEP encryption in the authentication phase to associate with this access ...

Page 48: ...ess station located within the coverage of this access point can discover this access point easily If you are building a public wireless network enabling this feature is recommended Disabling Broadcast ESSID can provide better security IAPP If you enable IAPP the access point will automatically broadcast information of associated wireless stations to its neighbors This will help wireless station r...

Page 49: ...eless stations use the same security function Note This access point can act as station and AP at the same time in Universal Repeater mode The security settings apply the same configuration to AP function and station function WEP only When you select 64 bit or128 bit WEP key you have to enter WEP keys to encrypt data You can generate the key by yourself and enter it You can enter four WEP keys and...

Page 50: ...t transmitted data Larger WEP key length will provide higher level of security but the throughput will be lower Key Format You may select to select ASCII Characters alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range to be the WEP Key For example ASCII Characters guest Hexadecimal Digits 12345abcde Default Tx Key Select one of the four keys to encrypt your data Only the key you ...

Page 51: ...s Click Apply button at the bottom of the screen to save the above configurations You can now configure other advance sections or start using the Access Point 802 1x only IEEE 802 1x is an authentication protocol Every user must use a valid account to login to this Access Point before accessing the wireless LAN The authentication is processed by a RADIUS server This mode only authenticates user by...

Page 52: ...e above configurations You can now configure other advance sections or start using the Access Point 802 1x WEP static key IEEE 802 1x is an authentication protocol Every user must use a valid account to login to this Access Point before accessing the wireless LAN The authentication is processed by a RADIUS server This mode also uses WEP to encrypt the data during communication You can use 802 1x w...

Page 53: ...shared key Wi Fi Protected Access WPA is an advanced security standard You can use a pre shared key to authenticate wireless stations and encrypt data during communication It uses TKIP or CCMP AES to change the encryption key frequently So the encryption key is not easy to be broken by hackers This can improve security very much You can use WPA pre shared key encryption in AP mode Station Ad Hoc m...

Page 54: ... AES can provide high level encryption to enhance the wireless LAN security WPA2 Mixed This will use TKIP or AES based on the other communication peer automatically Pre shared Key Format You may select to select Passphrase alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range to be the Pre shared Key For example Passphrase iamguest Hexadecimal Digits 12345abcde 53 ...

Page 55: ...creen to save the above configurations You can now configure other advance sections or start using the Access Point WPA RADIUS Wi Fi Protected Access WPA is an advanced security standard You can use an external RADIUS server to authenticate wireless stations and provide the session key to encrypt data during communication It uses TKIP or CCMP AES to change the encryption key frequently This can im...

Page 56: ...urity WPA2 Mixed This will use TKIP or AES based on the other communication peer automatically RADIUS Server IP address The IP address of external RADIUS server RADIUS Server Port The service port of the external RADIUS server RADIUS Server Password The password used by external RADIUS server Click Apply button at the bottom of the screen to save the above configurations You can now configure othe...

Page 57: ...nable or disable the MAC Address Filtering function MAC Address Filtering Table This table records the MAC addresses of wireless stations you want to allow to access your network The Comment field is the description of the wireless station associated with the MAC Address and is helpful for you to recognize the wireless station Add MAC In the bottom New area fill in the MAC Address and Comment of t...

Page 58: ...ve MAC address from the table If you want to remove some MAC address from the MAC Address Filtering Table select the MAC addresses you want to remove in the table and then click Delete Selected If you want remove all MAC addresses from the table just click Delete All button Reset Click Reset will clear your current selections Click Apply button at the bottom of the screen to save the above configu...

Page 59: ... Description Current Password Enter the current password up to 15 digit alphanumeric string of the Access Point The default password for the Access Point is 1234 Note that the password is case sensitive New Password Enter the password up to 15 digit alphanumeric string you want to login to the Access Point Note that the password is case sensitive 58 ...

Page 60: ... the value is 255 255 255 0 Gateway Address The IP address of the default gateway of the subnet that this access point resides in It allows this access point be accessed by PC from deferent subnet to do configuration DHCP Server Enable or disable the DHCP Server Click Apply button at the bottom of the screen to save the above configurations You can now configure other advance sections or start usi...

Page 61: ...default the IP range is from Start IP 192 168 2 100 to End IP 192 168 2 200 Domain Name You can specify the Domain Name for your Access Point Lease Time The DHCP Server when enabled will temporarily give your LAN client an IP address In the Lease Time setting you can specify the time period that the DHCP Server lends an IP address to your LAN clients The DHCP Server will change your LAN client s I...

Page 62: ... Restore selection If extreme problems occur you can use the Restore to Factory Default selection this will set all configurations to its original default settings e g when you first purchased the Access Point Parameter Description onfiguration Tools Use the Backup tool to save the Access Point s current configuration to a file named config bin on your PC You can then use the Restore tool to uploa...

Page 63: ...r local hard disk and enter that file name and path in the appropriate field on this page You can also use the Browse button to find the firmware file on your PC Please reset the Access Point when the upgrade process is complete Once you ve selected the new firmware file click Apply button at the bottom of the screen to start the upgrade process You may have to wait a few minutes for the upgrade t...

Page 64: ...arameter Description Reset In the event that the system stops responding correctly or in some way stops functioning you can perform a reset Your settings will not be changed To perform the reset click on the Apply button You will be asked to confirm your decision Once the reset process is complete you may start using the Access Point again 63 ...

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