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Alvarion BU-DS.11 Network Router User Manual

1. Indoor to Outdoor Unit Cable INDOOR LL Indoor Unit To LAN To Mains Figure 2 1 General Installation Scheme Pole Mounting NOTE Use a straight Ethernet cable to connect the indoor unit to a hub or use a crossed cable to S connect it directly to a PC s Network Interface Card NIC Installation EN Outdoor Installation Considerations This section describes various considerations to take into account when planning an outdoor installation including site selection antenna alignment antenna polarization antenna seal and cell size Collocating DS 11 Outdoor Units Up to three BU DS 11 units with omni directional antennas the exact number depends on the number of non overlapping channels available in the relevant regulatory domain can be collocated on the same building top or tower Collocating more than three units may decrease performance depending upon the type of antenna and its direction Each unit should be assigned to one of the non overlapping channels 1 7 or 13 in ETSI or 1 6 or 11 in FCC The antennas of collocated units should be mounted at least 60 cm 2 feet apart when using UNI 16 s 4 5 m 15 feet apart when using UNI 24 s and 21 m 75 feet apart when using OMNI 8 s Omni antennas must be separated also vertically Greater separation will improve the link distance Site Selection Factors When selecting a location for outdoor units and external antennas remember to take into consideration t
2. Figure 2 4 Outdoor Unit Bottom Panel shown without the service box 1 Connect one end of the grounding cable to the Ground terminal and connect the other end to a good ground connection 2 For DS 11D units connect an RF cable between the antenna connector and the antenna Connecting the Indoor to Outdoor Cable The following steps and figure illustrate how to connect the indoor to outdoor cable The cable is supplied by Alvarion with an RJ 45 on the outdoor end with the other end open to facilitate easy routing through holes to the location intended for the indoor unit The cable is supplied together with the waterproof service box The kit includes also an O ring for the service box an RJ 45 connector and a connector cover 2 12 BreezeNET DS 11 Series User Manual Figure 2 5 The Waterproof Service Box 1 Place the O ring of the service box in its intended location 2 Connect the Ethernet cable to the outdoor unit s RJ 45 connector Attach the service box to the outdoor unit and then tighten the top nut Make sure that the O ring is in its intended location to verify proper sealing Route the cable to the location selected for the indoor unit 5 Insert the protective cover before connecting the indoor end to the RJ 45 connector Prepare the indoor end of the cable according to the instructions in Appendix B Installation E Installing the Indoor Unit Route the indoor to outdoor cable into the building s
3. Figure 3 13 Advanced Tab The Advanced tab is comprised of the following components CW Min Max The size of the Contention Window The contention window back off algorithm is a method used to resolve contention between different stations trying to access the medium The valid range is from 7 to 1023 Defaults are 31 for CW Min and 1023 for CW Max Setting the CW min parameter to 7 should only be used for short range point to point links Setting the CW min to 15 will improve performance for more uni directional traffic loads CW min of 31 will minimize the PER for heavy bi directional traffic loads CW Min of 63 should be used for large long range multi point links RTS Threshold The minimum packet size required for an RTS Request to Send to be sent For packets with a size below the RTS Threshold value an RTS is not sent and the data packet is transmitted directly to the WLAN The range is from 60 to 2347 bytes The default is the maximum value which practically disables the RTS CTS mechanism Short Retry Limit The maximum number of transmission attempts for a frame that is shorter than or equal to the RTS Threshold The range is from 1 to 255 The default value is 8 Long Retry Limit The maximum number of transmission attempts for a frame that is longer than the RTS Threshold The range is from 1 to 255 The default value is 4 3 22 BreezeNET DS 11 Series User Manual Basic Rate The maximum rate of multi
4. File Mode Help Tab Selection Advanced Trap monitor General Parameters Security Network Autodiscovery Control 1 Station status Networking Parameters Area 192 115 118 155 RB SNMP Parameters WLAN parameters Station Control Counters and Unit mStation control S election All system parameters revert back to the E original default settings Area i Reset Version After Reset 4 0 56 es lt Shadow Version 4 0 54 Reset and Boot from Shadow Locate unit 1 Software Version 4 0 56 Use Current Version after Reset ni Export configuration 1 Export complete set of your system configuration Set IPM parameters to an external file fre rd Export private 4 Hide to trap Apply Refresh Close Figure 3 1 DS 11 Configuration Utility Main Window Station Control Tab Selected Tab EDS BreezeNET DS 11 Series User Manual Control Window The following sections describe how to work with the Control Window Selecting Units You can select a unit to manage in one of the following ways Click the Network Autodiscovery button All the IP addresses of units in the same domain but not hidden behind a router under the selected community are displayed in the list box underneath the button Click on an address to select the corresponding unit for viewing and configuration Type the unit s IP address in the Locate Unit field for stations which are
5. Multicast Relaying BU only When multicast relaying is enabled multicast messages originating on the wireless side are transmitted back to the wireless link as well as to the Ethernet When disabled these packets are transmitted only to the Ethernet and are not sent back to the wireless link The default is Enable Broadcast Relaying BU only When broadcast relaying is enabled broadcast messages originating on the wireless side are transmitted back to the wireless link as well as to the Ethernet When disabled these packets are transmitted only to the Ethernet and are not sent back to the wireless link The default is Enable ed To enable devices behind an RB to communicate with devices behind another RB in the same cell when communication between the RBs is blocked the devices must be set to different subnets Note that in this case the BU passes packets from one RB destined to another RB to the router behind it The router sends these packets back to the BU for transmission to the destination RB Thus the rule that no two RBs are communicating directly with each other prevails Allow ESSID ANY BU only When enabled the BU will enable association of any RB unit whose ESSID is configured to a null value an empty string The default is Disable Auto BU Disconnect BU only When enabled the BU will send a broadcast disassociation message upon identifying that its Ethernet link has been disconnected Furthermore the BU
6. SNMP Parameters WLAN parameters Station Control Counters General parameters I ESS ID default Maximum data rate fi Mbps Regulatory domain a Range Indoor Power 12 dBm Short Preamble Disable Locate unit m Channel a SetIP Community Hide to tay Apply Refresh Close Figure 3 8 WLAN Parameters Tab BU Units 2 DS Configuration Utility 199 203 141 142 RB i ioj xl File Mode Help Network Autodiscovery ZR Station status Networking Parameters SNMP Parameters Trap monitor General Parameters Security Auto Config WLAN parameters Station Control Counters Advanced General parameters T I ESS ID ps NG Maximum data rate Fi Mbps gt r Regulatory domain Universal Range Up to 5Km gt Power 24 dBm Locate unit o r Channel settings mi Channel 6 hd Fixed Channel Set IP FE j Preferred channels 7 21 31 4 5 canning mode Community z 6 7 s 9 11 12 13 14 private 4 Hide to tay Apply Refresh Close Figure 3 9 WLAN Parameters Tab RB Units 172 17 30 186 RB Alcatel old 172 17 30 72 RB Innowave 192 115 118 124 RB Alcatel20 199 203 141 139 BU Inne The WLAN Parameters tab is comprised of the following components Regulatory Domain Disp
7. models external antennas Wireless link established but there is no Ethernet activity BU DS 11 and RB DS 11 units Possible Cause Power cord is not properly connected 1 Power supply to units may be faulty 2 The RB DS 11 units may not have the same ESSID as the BU DS 11 1 Power supply to units may be faulty 2 Cables may be improperly connected 3 There may be some problem with antenna installation 1 Ethernet hub port or UTP cable is faulty 2 Ethernet port in unit is faulty 3 The RB DS 11 is associated to a BU DS 11 unit that is not connected correctly to the LAN Corrective Action Verify power cord is properly connected to the BreezeNET unit and to the power outlet 1 Verify power to units 2 Verify that all units in the network have the same ESSID ESSID must be identical in all units in the WLAN the ESSID is case sensitive Check that the units are on the same channel 3 Verify wireless link Set BU DS 11 and RB DS 11 units side by side Power on each unit and see if a wireless link is established even D models without their external antennas should establish a link if placed side by side If the units fail to associate reset units to factory default values The units should now establish a wireless link 1 Verify power to units 2 Verify that all cables are connected securely 3 Refer to previous Section and verify wireless link between the units
8. SNMP Parameters Tab The SNMP parameters tab allows you to define or edit the SNMP community strings and the SNMP related parameters DS Configuration Utility 192 115 118 212 BU 192 115 118 212 BU Figure 3 6 SNMP Parameters Tab The SNMP Parameters tab is comprised of the following components Read The read only community string of the unit Default is public Read Write The read write community string of the unit Default is private This value is displayed as asterisks for security purposes Trap Host IP Address The IP address of the host to which SNMP traps are sent Click amp to apply the defined Trap Host IP address Click to disable the sending of traps inserts a value of 255 255 255 255 En BreezeNET DS 11 Series User Manual Counters Tab The Counters tab displays a series of statistics related to usage and performance 7 DS Configuration Utility 10 0 16 124 BU m zl xi File Mode Help Network Autodiscovery Station status Networking Parameters SNMP Parameters Trap monitor General Parameters Security Auto Config WLAN parameters Station Control Counters Advanced 10016127 RB NG Tx Counters Rx Counters Tx Fragments 16669118 Rx Fragments 1392582 Tx Frames 16669118 Multicast Rx frames 183883 Multicast Tx Frames 15980944 FCS Error 429 586587 Retry Count 23848 Frame Duplicate 0261 Mu
9. b One or more RBs are located at relatively higher distances from the BU c Long Preamble is used Short Preamble option is disabled When in doubt it is better to choose a larger number for CW Min as the negative effect of a value that is too high is smaller than that of a value that is too small Following are recommended values of CW Min for several scenarios Setting the CW min parameter to 7 should only be used for short range point to point links Configuration Guidelines FE Setting the CW min to 15 will improve performance for links with uni directional traffic patterns CW min of 31 will minimize the PER for heavy bi directional traffic loads CW Min of 63 should be used for long range multi point links with more than 3 RBs RTS Threshold The default value for the minimum packet size required for transmission of a Request To Send message is 2347 bytes Using this value will practically disable the RTS CTS mechanism enabling high throughput in point to point links In point to multipoint applications with more than 3 RBs a lower RTS Threshold e g 512 or even 60 bytes should be used to reduce the effect of collisions This is especially critical in deployment with hidden stations where one RB may not hear another RB In deployments with hidden stations the RTS Threshold must be decreased to 60 bytes Basic Rate The default value for the Basic Rate is 2 Mbps In very good quality links a higher b
10. located behind a router and click Ci This will add the unit information to the selection list Setting the SNMP Community String Type the known Read Write Community string in the Community field the default string is public for read and private for read write and click the x button to confirm Assigning and Editing IP Addresses Manually based on MAC addresses This section describes how to manually input or modify the IP address of the selected unit 1 Click the Set IP button The Set IP dialog box appears Set IP X Mac address oo Fo d Jer Fes 2 IP Address 18 i3 o 2 1 Subnet mask 255 255 o 0 Default gateway jo o jo 00 cres Figure 3 2 The Set IP Dialog Box 2 Type the parameters in the appropriate fields and click OK the MAC address is shown on the bottom label of the indoor and outdoor units A message box is displayed notifying you when the changes are to take affect This feature can be used only if the DS 11 Configuration Utility is on the same Ethernet segment as the unit and not behind a router The DS 11 Configuration Utility EI NOTE In order to see the unit after assigning the IP address the PC with the Configuration utility should be on the same IP subnet as the assigned IP address Units receive auto IP address if there is no DHCP server and the unit is configured to work in the Smart mode The IP address will be chosen randomly in the 169
11. s Wireless port Ifthe source RB is configured as Hybrid port all data packet are forwarded to the bridging mechanism Ifthe source RB is configured as Access port data packets with a VLAN tag are dropped Data packets without VLAN are forwarded to the bridging mechanism with the VLAN ID and VLAN Priority of the source RB Data packets that were forwarded to the bridging mechanism whose destination is on the Ethernet port are forwarded to the Ethernet port without any change Data packets that were forwarded to the bridging mechanism whose destination is an RB on the wireless port side that is configured as Hybrid port are forwarded to the Wireless port without any change A data packet that was forwarded to the bridging mechanism whose destination is an RB on the wireless port side that is configured as Access port is forwarded to the wireless port only if it is tagged with a VLAN ID that matches the VLAN ID configured for the destination RB The VLAN tag is removed NOTE ed Because of the rules above it is possible that some broadcast packets will be transmitted twice on the wireless port Once with a VLAN tag and another time without VLAN This may happen when the broadcast packet has a VLAN tag some of the destination RBs are configured as Hybrid ports and some of the destination RBs are configured as Access ports with a VLAN ID that matches the VLAN ID of the broadcast packet The DS 11 Configuration Utility EN
12. 4 Verify that the antenna s are properly installed see relevant section in this manual gt Check antenna alignment gt Verify that antenna polarization is the same at both ends gt Verify that the range matches specifications Verify line of sight antenna alignment antenna height 1 Check that the LINK LED is lighted Green If this is not the case the port is inactive Try another port on the hub or another UTP cable 2 Verify that Ethernet port in unit is working Ping unit to verify Ethernet connection 3 Verify that you are using a cross over UTP cable pins 1 amp 3 2 amp 6 if connected directly to a workstation or a straight through cable if connected to a hub 4 Check that the BU DS 11 is correctly connected to the LAN Technical Specifications EE Chapter 6 alvarion We re on your wavelength Supported Standards Compliant with ETS 300 328 and ETS 300 826 CE marked IEEE 802 11b HR standard for Wireless LAN at 11 and 5 5 Mbps IEEE 802 11b standard for 1 and 2 Mbps Configuration and Management Management and SNMP based Configuration Utility Setup Site Survey Tool Integrated into the configuration utility SNMP Agents MIB II DS 11 Private MIBs Simultaneous multiple units software upgrade using the configuration utility Software Upgrade Via TFTP Indoor Unit Outdoor Unit Power status Power Status gt End to end Ethernet status LED Indicators
13. Alvarion reserves the right to alter the equipment specifications and descriptions in this publication without prior notice No part of this publication shall be deemed to be part of any contract or warranty unless specifically incorporated by reference into such contract or warranty The information contained herein is merely descriptive in nature and does not constitute a binding offer for the sale of the product described herein Any changes or modifications of equipment including opening of the equipment not expressly approved by Alvarion will void equipment warranty and any repair thereafter shall be charged for It could also void the user s authority to operate the equipment Some of the equipment provided by Alvarion and specified in this manual is manufactured and warranted by third parties All such equipment must be installed and handled in full compliance with the instructions provided by such manufacturers as attached to this manual or provided thereafter by Alvarion or the manufacturers Non compliance with such instructions may result in serious damage and or bodily harm and or void the user s authority to operate the equipment and or revoke the warranty provided by such manufacturer EJ BreezeNET DS 11 Series User Manual Contacting Alvarion Technical Support Should you need assistance beyond the scope of this manual please contact your local Alvarion reseller or distributor If they cannot solve your problem feel free
14. due to attenuation half the power is lost Pout Pin 1 2 attenuation in dB is 10 x Log 1 2 3ap Path Loss Loss of power of an RF signal traveling propagating through space It is expressed in dB Path loss depends on The distance between transmitting and receiving antennas Line of sight clearance between the receiving and transmitting antennas Antenna height Free Space Loss Attenuation of the electromagnetic wave while propagating through space This attenuation is calculated using the following formula Free space loss 32 4 20xLog Fuu 20xLog Rxm F is the RF frequency expressed in MHz R is the distance between the transmitting and receiving antennas expressed in Km At 2 4 GHz this formula is 100 20xLog Rxm Radio Signal Propagation ca Antenna Characteristics Isotropic Antenna A hypothetical antenna having equal radiation intensity in all directions Used as a zero dB gain reference in directivity calculation gain Antenna Gain A measure of directivity It is defined as the ratio of the radiation intensity in a given direction to the radiation intensity that would be obtained if the power accepted by the antenna was radiated equally in all directions isotropically Antenna gain is expressed in dBi Radiation Pattern A graphical representation in either polar or rectangular coordinates of the spatial energy distribution of an antenna Side Lobes The radiation lobes
15. is clear of obstacles A bad line of sight exists if the first Fresnel zone is obscured c BreezeNET DS 11 Series User Manual Distance Weather conditions rain wind etc At high rain intensity 150 mm hr the fading of an RF signal at 2 4 GHz may reach a maximum of 0 02 dB Km Wind may cause fading due to antenna motion Interference Interference may be caused by another system on the same frequency range external noise or some other co located system The Line of Sight Concept An optical line of sight exists if an imaginary straight line can be drawn connecting the antennas on either side of the link Clear Line of Sight A clear line of sight exists when no physical objects obstruct viewing one antenna from the location of the other antenna A radio wave clear line of sight exists if a defined area around the optical line of sight Fresnel Zone is clear of obstacles Fresnel Zone The Fresnel zone is the area of a circle around the line of sight The Fresnel Zone is defined as follows R Transmitter N y Receiver Site A Pp Site B Figure C 7 Fresnel Zone R y xD R radius of the first Fresnel zone wavelength expressed in feet D distance between sites expressed in Km Radio Signal Propagation cr C 2 Figure C 8 Fresnel Zone Clear of Obstacles When at least 8096 of the first Fresnel Zone is clear of obstacles propagation loss is equivalent to that of fr
16. lower e The Configuration Utility does not resolve the topology of the cell Therefore multiple unit configuration operations should be done at the location where the BUs are located Select the units whose parameters should be modified from the list box on the left hand side of the window Use Shift click and or Ctrl click to select multiple units Enter the configuration parameter values and click Apply The following window is displayed Please review the changes summary and press Apply to begin operation Press Cancel to discard all changes Selected devices Changes summary 199 203 143 140 2 Range 15 25Km E 199 203 143 138 RB ESSID BreezeCOM 199 203 143 137 RB 198203143136 RB 199 203 143 130 BU Result log 143 RB Success 199 203 143 138 RB Success 199 203 143 137 RB Success 199 203 143 136 RB Success 199 203 143 130 BU Success Resetting 199 203 143 140 RB Resetting 199 203 143 138 RB Resetting 199 203 143 137 RB zi IV Reset units after setting parameters Close Figure 3 21 Multiple Configuration Mode This window lists the selected units and displays the configuration changes to be made during the multiple configuration session Select the Reset units after setting parameters check box to reset all selected units To ensure proper configuration changes and avoid SNMP Error messages do not try to configure in BU units parameters that are app
17. not be carried out Duplicate entries are discarded To Delete a MAC Address from the list Click the row containing the MAC address to be deleted and check the Delete check box The entry will be removed from the list after clicking the Apply button To Change the Status The address must first be deleted from the list and then added again with the new status The broadcast address FF FF FF FF FF FF can serve as a default entry to define the status of addresses that are not otherwise defined in the list If the table is empty access is denied to all addresses The default is a list that includes only the FF FF FF FF FF FF address with an Allowed status meaning that all stations can associate with the BU The DS 11 Configuration Utility EE Advanced Tab The Advanced tab provides additional performance parameters 55 DS Configuration Utility 192 115 118 155 RB File Mode Help Network Autodiscovery 28 Station status Networking Parameters 1 SNMP Parameters WLAN parameters Station Control Counters 192 115 118 155 RB 192 115 118 212 BU Advanced Trap monitor General Parameters Security 802 11 Performance Parameters fal CW min 31 CW max hos x Output Power vmm AUT aa Short Retry Limit 7 Locate unit Long Retry Limit 4 Ci Basic rate 2 Mbps Set IP SL Community Power Hide to tray Appl Refresh Close
18. performance high throughput if the RSSI of all links is 80 dBm or better provide that all units run SW version 4 0 Upon clicking this button the following parameters will be configured to support high performance Basic rate 11Mbps Short Preamble Enable only in BU Trap Monitor Tab The Trap Monitor tab enables you to view messages received from the selected unit File Mode Help Network Autodiscovery fa Station status Networking Parameters a 192 115 118 155 R Advanced Trap monitor General Parameters Security 192 115 118 212 BU DS Configuration Utility 192 115 118 212 BU SNMP Parameters WLAN parameters Station Control Counters Trap from 192 115 118 212 at 12 17 47 Station 00 00 30 40 50 2 been di Trap from 192 115 118 212 at 12 19 Station 00 00 30 40 50 20 has been deauthenticated Trap from 192 115 118 212 at 12 20 08 Station 00 00 30 40 50 20 has been deauthenticated a Trap from 192 115 118 212 at 12 21 09 ci Station 00 00 30 40 50 20 has been deauthenticated Trap from 192 115 118 212 at 12 22 10 Station 00 00 30 40 50 20 has been deauthenticated Set IP SNL Community pive X Clear List Hide to tay Apply Refresh Close Figure 3 17 Trap Monitor Tab When an event occurs a trap is sent to the defined host address the setting is made in the SNMP Parameters tab described on page 3 7 This wi
19. 254 x x range with a subnet mask of 255 255 0 0 Application Control Buttons The following buttons always appear at the bottom of the Configuration Utility window Additional buttons specific to certain tabs are explained when relevant Hide to Tray Minimizes the application into the ag icon placed in the Windows task bar at the bottom of the Windows desktop To restore the application click the 35 icon Apply Implements any changes you made Refresh Refreshes the window with the most recent data from the unit Cancel Closes the window without implementing any changes you made Configuration Utility Tabs The following sections describe the tabs and parameters provided by the Configuration Utility in Unit Configuration mode Station Status Tab The Station Status tab displays general information regarding the unit s firmware and hardware versions as well as general unit address information 22 DS Configuration Utility 192 115 118 212 BU File Mode Help Network Autodiscovery 8 Advanced Trap monitor General Parameters Security SNMP Parameters WLAN parameters Station Control Counters Station status Networking Parameters Address a System Name BU DS 11 Wireless Base Station Location MAC Address 00 00 30 40 50 23 Firmware 4 0 56 10 Mar 2003 Associated Stations System up time No MAC Address IRss e Locate unit 5
20. Days 0 Set IP E Hours 00 11 12 private Fa m vl Hide to tay only Refresh Close Figure 3 3 Station Status Tab BU DS 11 The Station Status tab is comprised of the following components System Name The name of the selected unit ES BreezeNET DS 11 Series User Manual Location A user defined description of the location of the selected unit up to 28 ASCII characters long optional MAC Address MAC address of the selected unit Firmware The current firmware version BSS Address RB DS 11 units only Defines the MAC address of the BSS which is the BU DS 11 the unit is associated with Associated Stations BU DS 11 units only Details concerning the RB DS 11 units associated with the BU DS 11 The information provided for each associated RB DS 11 unit includes its MAC address and the level in dBm at which it is received by the BU DS 11 RSSI Networking Parameters Tab The Networking Parameters tab enables you to define or edit the IP and VLAN parameters of units In BUs it is comprised of two sub tabs The General tab and the CPE Table tab Networking Parameters General Tab Z DS Configuration Utility 1 1 1 201 BU m E x File Mode Help Network Autodiscovery 3 WLAN parameters Station Control Counters Advanced Trap monitor General Parameters Security Auto Config Station s
21. Ethernet Status Traffic Wireless Link Status Traffic VV ON Y 10 LED display bar RSSI in the RB Load Gauge in BU ES BreezeNET DS 11 Series User Manual Radio Frequency Range 2 4 2 4835 GHz Radio Type Direct Sequence Spread Spectrum DSSS Wireless LAN Standards Compliant with IEEE 802 11b HR FCC 1 11 ETSI 1 13 Selectable sub Channels Japan TELEC 1 13 France 10 13 FCC 4 2 4 6 12 14 20 24 dBm Output Power ETSI 4 2 4 6 12 14 dBm at the antenna port Japan TELEC 4 2 4 6 12 14 dBm Data Rate Sensitivity Modulation Sensitivity 11 Mbit s 85 dBm 256 CCK BER 10E 6 5 5 Mbit s 88 dBm 16 CCK 2 Mbit s 90 dBm DQPSK 1 Mbit s 93 dBm DBPSK Processing Gain 10 4 dB Nominal Integrated Antenna Type Flat Panel 16 dBi 20 Vertical Horizontal Range Europe ETSI Up to 10 km 20 dBm EIRP US FCC Up to 25 km 15 miles Security Authentication and Data 64 bit and 128 bit RC4 WEP Encryption Scrambling Proprietary Technical Specifications FEN Outdoor Unit to Indoor Unit Communication Cable Type Cat 5 FTP 4x2x24 Double Jacket Maximum Cable length 100 m including the length of the Ethernet cable to the user equipment Interfaces RF antenna connector in N Type jack lightning protected the outdoor unit DS 11D models Baseband Outdoor units Shi
22. Notice Fa Limitation of Liability a ALVARION SHALL NOT BE LIABLE TO THE PURCHASER OR TO ANY THIRD PARTY FOR ANY LOSS OF PROFITS LOSS OF USE INTERRUPTION OF BUSINESS OR FOR ANY INDIRECT SPECIAL INCIDENTAL PUNITIVE OR CONSEQUENTIAL DAMAGES OF ANY KIND WHETHER ARISING UNDER BREACH OF CONTRACT TORT INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE AND WHETHER BASED ON THIS AGREEMENT OR OTHERWISE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES b TO THE EXTENT PERMITTED BY APPLICABLE LAW IN NO EVENT SHALL THE LIABILITY FOR DAMAGES HEREUNDER OF ALVARION OR ITS EMPLOYEES OR AGENTS EXCEED THE PURCHASE PRICE PAID FOR THE PRODUCT BY PURCHASER NOR SHALL THE AGGREGATE LIABILITY FOR DAMAGES TO ALL PARTIES REGARDING ANY PRODUCT EXCEED THE PURCHASE PRICE PAID FOR THAT PRODUCT BY THAT PARTY EXCEPT IN THE CASE OF A BREACH OF A PARTY S CONFIDENTIALITY OBLIGATIONS Electronic Emission Notices This device complies with Part 15 of the FCC rules ETSI 300 328 and CE Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation FCC Radio Frequency Interference Statement 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 i
23. list of parameters New parameters are loaded with their default values Click the _Resetand Boot from Shadow button to reset the unit and boot from the shadow version Click the Use Current Version after Reset button to use the current running version after the next reset EH BreezeNET DS 11 Series User Manual Security Tab The Security tab enables you to define the encryption parameters In the BU an additional ACL Access Control List Table tab enables to define stations that are allowed to associate with the BU Encryption Tab 5 DS Configuration Utility 192 115 118 212 BU File Mode Help Network Autodiscovery 28 Station status Networking Parameters A SNMP Parameters WLAN parameters Station Control Counters ESREESIDETE an Advanced Trap monitor General Parameters Security 32 115 118 212 BU A WEP M Authentication algorithi Scrambler Disable fe per System Disable 7 C Shared keys Shared key Default key ID First z WEP keys Locate unit Set IP SS Community pm _v Encryption ACL Table Hide to tay Apply Refresh Close Figure 3 11 Encryption Tab This tab displays information regarding the unit s security configuration Wired Equivalent Privacy WEP is an encryption algorithm that protects authorized Wireless LAN users against eavesdropping and is implemented in BreezeNE
24. the two sites to ground level Ground level in an open area is the actual ground In dense urban areas ground level is the average height of the buildings between the antenna sites Rooftop Installation Rooftop installations offer several advantages Fewer obstacles in the path Improved performance due to greater height Antennas for Outdoor Applications The BreezeNET DS 11 series can be used in point to point or point to multipoint configurations Point to Point The BU DS 11 RB DS 11 can be equipped with a directional antenna The required antenna gain depends on the required range and performance Point to Multipoint Setting up a point to multipoint link requires the use of a Base Unit equipped with an omni directional antenna or an antenna with sufficient bandwidth to illuminate all units and at least two remote units equipped with high gain directional antennas Antenna Polarization Antenna polarization must be the same at both ends of the link In most applications the preferred orientation is vertical polarization which is better for above ground propagation To verify antenna polarization refer to the assembly instructions supplied with the antenna set Installation FEM Antenna Seal When using outdoor antennas you must seal all cable connections to prevent water or dirt from entering the connector Cell Size Link Distance Cell size is determined by the maximum possible distance between the BU
25. will not enable association with any RB as long as the Ethernet link is disconnected The default is Disable The DS 11 Configuration Utility EZ Preferred BU RB only Parameters When the Enforce option is enabled the RB will associate only with the BU whose MAC address is defined in the MAC Address edit box The default for the Enforce option is Disable The default Preferred BU MAC Address is 00 00 00 00 00 00 none If the Preferred BU MAC Address is the default one none then the Enforce option has no effect and unit will operate normally it will either use the Best BU Selection algorithm if enabled or try to associate with the first BU it finds if the Best BU Selection algorithm is disabled Best BU Selection RB only When enabled the RB performs a scanning cycle measuring the strength of the signal received from all BUs it finds If the RB can connect to more than one BU it will connect to the BU with the strongest signal The default is Disable Bridge Aging Time BU only Defines the time that an RB can remain non active without being removed from the bridging table If for the defined time there was no traffic to from the RB it will be de authenticated The range is from 10 to 1 000 000 seconds The default value is 1800 seconds Ethernet Broadcast Multicast Limiter parameters Enable to limit the number of broadcast and or multicast packets that can be transmitted per second in order to prevent the potent
26. 11 on any of the preferred channels it will continue to scan until it finds the BU DS 11 on one of the channels permitted according to the regulatory domain E BreezeNET DS 11 Series User Manual Table 3 1 describes the channels used in each regulatory domain the default channel the maximum output power and the default output power Regulatory Lowest Highest Default Max Output Default Output Domain Channel Channel Channel Power dBm Power dBm Table 3 2 Frequency List NOTE d The frequencies listed in the table are at the center of the channel Each channel occupies 22MHz therefore each channel occupies 11MHz to 11 MHz from the frequency specified The DS 11 Configuration Utility Eg Station Control Tab The Station Control tab enables you to revert the unit parameters to their factory defaults reset the unit and export the unit s configuration to a configuration file 27 DS Configuration Utility 192 115 118 212 BU File Mode Help Network Autodiscovery 8 Advanced Trap monitor General Parameters Security Station status Networking Parameters SNMP Parameters WLAN parameters Station Control Counters M Station control All system parameters revert back to the original default settings Version After Reset 4 0 56 Reset Shadow Version 4 0 54 Reset and Boot from Shadow Locate unit Software Version 4 0 56 Use Current Version after Reset ri Esport configuration Expor
27. 2 5 The Waterproof Service Box 2 12 Figure 2 6 Indoor Unit Top Panel 2 13 Figure 3 1 DS 11 Configuration Utility Main Window Station Control Tab 3 3 Figure 3 2 The Set IP Dialog Box 3 4 Figure 3 3 Station Status Tab BU DS 11 3 5 Figure 3 4 Networking Parameters Tab BU 3 6 Figure 3 5 Networking Parameters Tab BU 3 9 Figure 3 6 SNMP Parameters Tab 3 11 Figure 3 7 Counters Tab BU Units 3 12 Figure 3 8 WLAN Parameters Tab BU Units 3 14 Figure 3 9 WLAN Parameters Tab RB Units 3 14 Figure 3 10 The Station Control Tab 3 17 Figure 3 11 Encryption Tab 3 18 Figure 3 12 ACL Table Tab 3 20 Figure 3 13 Advanced Tab 3 21 Figure 3 14 General Parameters Tab BU 3 23 Figure 3 15 General Parameters Tab RB 3 23 Figure 3 16 Auto Config Tab 3 26 Figure 3 17 Trap Monitor Tab 3 27 Figure 3 18 Firmware Upgrade Mode dialog box 3 28 Figure 3 19 Firmware Upgrade Process 3 29 Figure 3 20 Advanced TFTP Setup 3 29 Figure 3 21 Multiple Configuration Mode 3 30 EN BreezeNET DS 11 Series User Manual Table of Tables Table 2 1 Available Antennas etie tv ian cose cee cence cans OX EN say ENTRAR ne EORR e ER EX ORE OR sty 2 7 Table 2 2 Indoor Unit LEDS rene ee ee te da ded deh eee ne te leet 2 15 Table 2 3 Outdoor Unit LEDs seeded Ier neta d aee re Ro ne 2 16 Table 3 1 Regulatory Domains Specifications sssri isra eperra aE ASAS SD 3 16 Table 3 2 Frequency List e er T e Gn P RU es pA A had AAAA 3 16 Introduction BER Ch
28. 5 km 15 miles FCC or 10 km 6 miles ETSI can be achieved using the UNI 24 antenna kit for a point to point link Consult the antenna and accessory guide range tables for distances using other antennas Does the BU DS 11 RB DS 11D support 802 1d spanning tree protocol The BU DS 11 RB DS 11 does not support spanning tree DS 11 FAQ vey What is the normal PER Packet Error Rate for the BU DS 11 RB DS 11 The error rate will be about 4 6 transmitted fragments vs retry count This is typical when operating in a non interference environment at maximum range for bi directional traffic loads If the traffic load is more uni directional then the PER will be lower What is the best value for the CW min parameter Setting the CW min parameter to 7 should only be used for short range point to point links Setting the CW min to 15 will improve performance for more uni directional traffic loads CW min of 31 will minimize the PER for heavy bi directional traffic loads CW Min of 63 should be used for large long range multi point links Is the DS 11 compatible with other DS equipment from other vendors The DS 11 is compatible with other IEEE 802 11b compliant devices from other vendors However in some cases it may not interoperate if the other manufacturer s implementation is not pure 802 11b The BU DS 11 RB DS 11 can operate at 1 and 2 Mbps with legacy 802 11b DS equipment provided the Short Preamble option is not enabled I
29. BreezeNET DS 11 Series BU DS 11 RB DS 11 User Manual e S alvarion WECA We re on your wavelength ireless Ethernet Compatibility Alliance January 2005 S W Version 4 2 P N 213993 EN BreezeNET DS 11 Series User Manual Important Notice EN Copyright Alvarion Ltd Alvarion All rights reserved The material contained herein is proprietary privileged and confidential No disclosure thereof shall be made to third parties without the express written permission of Alvarion Alvarion reserves the right to alter the equipment specifications and descriptions in this publication without prior notice No part of this publication shall be deemed to be part of any contract or warranty unless specifically incorporated by reference into such contract or warranty Trade Names Alvarion BreezeCOM WALKair WALKnet BreezeNET BreezeMANAGE BreezeACCESS BreezeMAX AlvariSTAR MGW eMGW and or other products and or services referenced here in are either registered trademarks trademarks or service marks of Alvarion All other names are or may be the trademarks of their respective owners Statement of Conditions The information contained in this manual is subject to change without notice Alvarion shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this manual or equipment supplied with it Warranties Disclaimers All Alvar
30. DS 11 and a RB DS 11 unit For open outdoor areas with an unobstructed line of sight between the BU DS 11 and the RB DS 11 units the suggested maximum distance is up to 10 km 6 miles where ETSI is the regulatory domain and 25 km 15 miles where FCC is the regulatory domain iv The maximum distance of 25 km 15 miles under FCC regulations is achieved using 24 dBi antennas and 24 dBm output power The maximum distance of 10 km 6 miles under ETSI regulations is achieved using 24 dBi antennas and 4dBm output power Using Outdoor Range Tables Specific range tables guidelines and information about extended cables can be obtained from your local dealer or the Alvarion central offices Outdoor installations must have a clear line of sight between antennas Large obstacles such as buildings or hills can prevent the establishment of a link while smaller obstacles such as trees or vehicles traffic can reduce range Extended coaxial cables can cause an increase in signal loss and a reduction in range Available Antennas The following table lists several antennas suitable for BreezeNET DS 11 units TIP ed Cable length should be minimized in order to gain maximum link budget Model Ant Gain Ideal for Dispersion Dimensions HxWxD OMNI 8 8 dBi Establishing 360 coverage for outdoor 360 H 13 V 20 x 5 8 multipoint links Tubular UNI 16P 16 dBi Medium to long range outdoor links 28 H 28 V 11 x 11 x 3 5 requiring compact form fa
31. I LEDs The DS 11 Configuration Utility EN Chapter 3 io A alvarion We re on your wavelength About This Chapter The DS 11 Configuration Utility is an SNMP based utility that provides a consistent view of the wireless network The system administrator can use the DS 11 Configuration Utility to control a large number of DS 11 units from a single location The Configuration Utility can be used to manage BU DS 11 and RB DS 11 units as well as other members of the BreezeNET DS 11 family including the WBS WBC AP DS 11 and SA DS 11 The description in this manual however is limited to management and configuration of BU DS 11 and RB DS 11 units Refer to the DS 11 section of www alvarion com for more information on how to use the utility with other products Using the Configuration Utility you can Assign radio channels for optimal cell operation Configure units with a specified IP address Set the SNMP Read Write Community strings Verify the status of all units in the network Configuration of a wide range of operational parameters including WLAN IP and Security parameters View Tx and Rx counters Obtain general information such as the Firmware version and system name This chapter is comprised of the following sections Installing and Accessing the Configuration Utility page 3 2 describes how to install and initialize the configuration application Configuration Utility Modes page 3 2 des
32. Installation Overview page 2 3 provides an overview of the installation procedures Outdoor Installation Considerations page 2 5 describes the factors that must be taken into account when installing the outdoor units Installing the Outdoor Unit page 2 9 describes how to install the outdoor unit Installing the Indoor Unit page 2 13 describes how to install the indoor unit and configure the required parameters Verifying Correct Operation page 2 15 describes how to ensure that the installation was successful and the units are functioning correctly ES BreezeNET DS 11 Series User Manual Packing List Ensure that all of the following items are included with the unit s installation kit Indoor unit Outdoor unit includes integrated antenna or antenna connector for optional connection to external antenna Pole mounting kit for the outdoor unit includes two brackets and four sets of bolts nuts and washers 110 220 VAC Power Cord Indoor to outdoor cable kit Configuration Utility diskette Additional Installation Requirements The following materials are not supplied with the installation kit but are required for the installation procedure Indoor to outdoor cable available in different lengths if the length of the cable included with the unit is insufficient Antenna and RF cable if using an external antenna Ground cable with an appropriate termination Ethernet cable straight for conn
33. NTIAL HAZARD ALVARION SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES b PURCHASER S SOLE REMEDY FOR BREACH OF THE EXPRESS WARRANTIES ABOVE SHALL BE REPLACEMENT OR REFUND OF THE PURCHASE PRICE AS SPECIFIED ABOVE AT ALVARION S OPTION TO THE FULLEST EXTENT ALLOWED BY LAW THE WARRANTIES AND REMEDIES SET FORTH IN THIS AGREEMENT ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING BUT NOT LIMITED TO WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION NON INFRINGEMENT AND ACCURACY OF INFORMATION GENERATED ALL OF WHICH ARE EXPRESSLY DISCLAIMED ALVARION WARRANTIES HEREIN RUN ONLY TO PURCHASER AND ARE NOT EXTENDED TO ANY THIRD PARTIES ALVARION NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS c ALVARION SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY PURCHASER S OR ANY THIRD PERSON S MISUSE NEGLIGENCE IMPROPER INSTALLATION OR IMPROPER TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD Important
34. O 11 accessories are compatible with the DS 11 For example the TPA Transmit Power Amplifier LNA Low Noise Receive Amplifier and AMP 250 500 Bi Directional Amplifier which are all compatible with the BreezeNET PRO 11 cannot be used with the DS 11 Can the BreezeNET PI CATS5 product be used with a DS 11 unit The PI CATS is specifically for the BreezeNET PRO 11 units only and cannot be used with DS 11 units The voltage is not the same between the two product families FUIS BreezeNET DS 11 Series Use Manual Management What management options are available for the DS 11 The BU DS 11 RB DS 11D comes with a graphical Configuration Utility that operates on any Windows based network ready PC With this utility you can configure and monitor every DS 11 on your network You can also use the DS 11 SNMP MIB on standard management platforms like SNMPc and HP Openview Does the DS 11 offer out of band management The DS 11 does not offer out of band management The DS 11 is managed in band only using SNMP What installation and site survey tools are available for BU DS 11 RB DS 11 The DS 11 comes with a Windows based manager utility With this utility you can configure link parameters and monitor signal quality and RSSI Received Signal Strength Indication Optimizing antenna alignment is done using the signal quality and RSSI display Any computer on the network can use this utility to manage the BU DS 11 RB DS 11 Preparin
35. PE Table is defined by the VLAN ID Access and VLAN Priority Access parameters in the General tab VLAN ID Defines the VLAN functionality for the specific RB A value from 1 to 4094 defines Access port functionality A value of 65535 no VLAN defines Hybrid port functionality Valid values 1 to 4094 or 65535 VLAN Priority Defines the VLAN Priority field when a VLAN tag is added to a packet according to the functionality described below Valid values range from 0 to 7 To add an RB to the table Enter the MAC Address in the Add Delete MAC Address text box Select the VLAN ID and VLAN Priority check the Add check box and click Apply To remove an RB from the table Enter the MAC Address in the Add Delete MAC Address text box Check the Delete check box and click Apply E BreezeNET DS 11 Series User Manual Filtering Forwarding packets received on the BU s Ethernet port The unit accepts from the Ethernet port only data frames with a destination on the Wireless port side an associated RB Ifthe destination RB is configured as Hybrid port VLAN ID 65535 both tagged and untagged data packets will be forwarded to the RB without any change If the destination RB is configured as Access port only data packets with a matching VLAN ID will be forwarded The VLAN tag is removed All other data frames with a non matching VLAN ID or with no VLAN tag are not accepted Filtering Forwarding packets received on the BU
36. T DS 11 units WEP is defined in the IEEE 802 11 standard This encryption is applicable for both authentication and data It supports key length of either 64 bits or 128 bits including a 24 bit Initialization Vector DS 11 units can use one of the following authentication algorithms as defined in the IEEE 802 11b standard Open System Any station in the WLAN can associate with any other unit and receive and transmit data freely null authentication Shared Key Only units using a shared key encryption are allowed to associate with each other provided they use the same WEP Key The default authentication algorithm is Open System The DS 11 Configuration Utility EE If you select the Shared Key algorithm set the following parameters WEP Enable access to the Default Key ID parameter and WEP keys table The default is Disable Default Key ID Sets the key to be used for encryption decryption The default WEP key is the first key WEP keys Defines the encryption keys used Define each key by clicking the appropriate WEP Key row and entering 10 for 64 bits keys or 26 for 128 bits keys hexadecimal characters for each of the four keys After clicking Apply the WEP Key values are displayed as zeros for security reasons NOTE amp All units in the same cell should use the same key Scrambler The scrambling mechanism is another security measure that can be enabled or disabled independently of the WEP mec
37. apter 1 9 o alvarion We re on your wavelength About This Chapter This chapter is comprised of the following sections Scope of the Manual page 1 2 describes the chapters and topics comprising the BreezeNET DS 11 Series User Manual System Description page 1 3 provides an overview of the DS 11 system and introduces the system components ETE BreezeNET DS 11 Series User Manual Scope of the Manual This manual provides instructions for planning and setting up a wireless link based on the BreezeNET DS 11 wireless Base Unit and Remote Bridge Chapter 1 Introduction Describes how to use this manual and presents the BreezeNET DS 11 series Chapter 2 Installation Describes how to install the BreezeNET DS 11 units Chapter 3 The DS 11 Configuration Utility Describes how to use the DS 11 Configuration Utility to setup configure and manage BreezeNET DS 11 units Chapter 4 Configuration Guidelines Provides guidelines regarding configuration of parameters that are critical for achieving good performance Chapter 5 System Troubleshooting Solves some of the more common problems which may occur when installing and using the BreezeNET DS 11 units Chapter 6 Technical Specifications Lists the technical specifications of the BreezeNET DS 11 units Appendix A DS 11 FAQ Answers questions frequently asked by customers Appendix B Preparing the Indoor to outdoor Cable Explains how to pre
38. asic rate could be used to increase throughput As the quality of the link gets poorer the basic rate should be decreased to a rate where there is a very high probability that all transmissions will be properly received Note that the basic rate cannot be increased above 2 Mbps if the cell includes legacy units that do not support higher basic rates Range A Range value that is too high may reduce throughput as it causes an inefficient use of the available capacity by allowing an acknowledgement time out that is too high A Range value that is too low must be avoided as it may completely disable the ability for proper communication by not allowing a sufficient acknowledgement time out E BreezeNET DS 11 Series User Manual System Troubleshooting EY Chapter 5 e ERE t We re on your wavelengtl About This Chapter The following troubleshooting guide provides answers to some of the more common problems that may occur when installing and using the BreezeNET DS 11 If problems not mentioned in this guide should arise checking the Ethernet and WLAN counters may help If the problem persists please feel free to contact your local distributor or the Alvarion Technical Support Department ET BreezeNET DS 11 Series User Manual Troubleshooting Guide Problem and Indication No power to unit Power LED is off Failure to establish wireless link WIRELESS LINK LED is off Failure to establish wireless link D
39. ass B address in the range 169 254 X X this can be used with Auto Discovery when the MAC address is not available VLAN Support VLAN ID Management The VLAN ID Management defines the VLAN ID for management frames which identifies remote stations for management purposes This applies to all management applications using protocols such as SNMP TFTP ICMP ping DHCP and Telnet When management VLAN is enabled all servers stations using these protocols must tag the management frames sent to the unit with the value of the VLAN ID Management parameter 3 Management VLAN i N Cum 0 6 mL Only with matching e Management VLAN VLAN ID from 1 4094 Set separately for the BU and for each RB RB S E Only with matching i Management VLAN Only with matching Management VLAN Important note Management VLAN for RBs over the AIR assumes Data VLAN is disabled Operation with Management VLAN enabled VLAN ID Management is 1 4094 The unit accepts only tagged management frames with a matching VLAN ID received on either the Ethernet or wireless link ports EN BreezeNET DS 11 Series User Manual AVLAN Management Tag is inserted in all management frames generated by the unit before transmission to either the Ethernet or wireless link port The tag includes the values of the VLAN ID Management and the VLAN Priority Management parameters Operation with Management VLAN disabled VLAN ID Mana
40. cast broadcast and control frames transmissions Multicast and broadcast transmissions are not acknowledged therefore there is a chance that such transmissions will not be properly received without the possibility of using the acknowledgement mechanism for retransmission Therefore it is recommended to use a lower rate for transmission of broadcast multicast and control frames to increase the probability that they will be received without errors Enter the data rate at which broadcast multicast and control frames are transmitted The valid values are 1 2 5 5 and 11 Mbps The default value is 2 Mbps NOTE ed The Basic Rate parameter should be changed only if you are sure that all units in the cell can handle the 7 defined rate Use this parameter with caution as it may bring the link down Power The transmit power level The possible values are 4 2 4 6 12 14 20 24 dBm NOTE VN The Power setting should not exceed the maximum output allowed in the applicable regulatory domain NS f according to Table 3 1 on page 3 16 The DS 11 Configuration Utility General Parameters Tab The General Parameters tab provides various bridging and association parameters DS Configuration Utility 1 1 1 202 BU File Mode Help Network Autodiscovery ZR Station status Parameters SNMP Parameters eS WLAN parameters Station Control Counters Advanced Trap monitor General Parameters Security Auto Co
41. cribes the various modes functions and parameters of the Configuration Utility Reloading Factory Default Settings page 3 31 describes how to revert unit parameters to their original factory defaults ES BreezeNET DS 11 Series User Manual Installing and Accessing the Configuration Utility The Configuration Utility is provided for installation on a 3 5 diskette l Insert the provided diskette into the computer where you wish to install the Configuration Utility 2 Run DS11mgr exe 3 Follow all instructions until you are informed that the Utility was installed successfully 4 Run the Configuration Utility from the Start menu by selecting it in the DS 11 Configuration Utility folder under Programs Configuration Utility Modes There are several DS 11 Configuration Utility modes of operation these options are selected via the Mode menu in the configuration utility main window shown below The selected mode s is indicated by a check mark in the menu v Unit configuration Firmware upgrade Multiple configuration Trap quick view Unit configuration This is the default mode and is used for setting parameters as detailed in this manual Firmware upgrade Used for upgrading the embedded software in managed units refer to Firmware Upgrade Mode on page 3 28 for instructions on using this feature Multiple configuration Used for setting configuration parameters for more than one unit simultaneously r
42. ctors UNI 24 24 dBi Long range outdoor point to point 6 H 10 V 24 x 36 x 15 links Table 2 1 Available Antennas ES BreezeNET DS 11 Series User Manual Precautions Outdoor units and antennas should be installed ONLY by experienced antenna installation professionals who are familiar with local building and safety codes and wherever applicable are licensed by the appropriate government regulatory authorities Failure to do so may void the BreezeNET Product Warranty and may expose the end user to legal and financial liabilities Alvarion and its resellers or distributors are not liable for injury damage or violation of government regulations associated with the installation of external antennas The system complies with the ETS 300 385 standard and is protected against secondary lightning strikes when its outdoor unit is properly grounded according to the applicable country specific industry standards for protection against lightning The system complies with EN 61000 4 5 test level 3 2kV Compliance with Radio Regulations Regulations regarding maximum antenna gains vary from country to country It is the responsibility of the end user to operate within the limits of these regulations as well as to ensure that the professional installer is aware of these regulations Violation of government regulations exposes the end user to legal and financial liabilities Alvarion its resellers and distributors shall not be liable fo
43. door Cable 2 11 Installing the Indoor Unit 2 13 Configuring Parameters 2 14 Antenna Alignment 2 14 Verifying Correct Operation 2 15 Verifying Correct Operation of the Indoor Unit 2 15 Verifying Correct Operation of the Outdoor Unit 2 15 ER BreezeNET DS 11 Series User Manual What to do if the Self Test Fails 2 16 The DS 11 Configuration Utility 3 1 Installing and Accessing the Configuration Utility 3 2 Configuration Utility Modes 3 2 Unit Configuration Mode 3 3 Firmware Upgrade Mode 3 28 Multiple Unit Configuration Mode 3 30 Resetting the SNMP Community Strings 3 31 Reloading Factory Default Settings 3 31 Configuration Guidelines 4 1 Configuring Critical Parameters 4 2 One Click Configuration 4 2 Short Preamble 4 2 CW Minimum 4 2 RTS Threshold 4 3 Basic Rate 4 3 Range 4 3 System Troubleshooting 5 1 Troubleshooting Guide 5 2 Technical Specifications 6 1 DS 11 FAQ A 1 General A 2 Collocation and Interference A 4 Firmware A 5 Configuration A 6 Accessories A 7 Management A 8 Preparing the Indoor to Outdoor Cable 1 Radio Signal Propagation 1 RF Terms and Definitions Table of Contents E Table of Figures Figure 1 1 BreezeNET DS 11 Point to Multipoint Application 1 3 Figure 2 1 General Installation Scheme Pole Mounting 2 4 Figure 2 2 Installation Holes Grooves 2 9 Figure 2 3 3 Pole Mounting Installation Using the Supplied Brackets 2 10 Figure 2 4 Outdoor Unit Bottom Panel shown without the service box 2 11 Figure
44. ecting to a hub Installation tools and materials including appropriate means e g a pole for installing the outdoor unit Crimping tool for RJ 45 connectors Items marked with an asterisk are available as options from Alvarion Installation ETN Installation Overview The following outlines the steps of the installation procedure 1 Select appropriate locations for the outdoor unit the antenna if using an external antenna and the indoor unit Mount the outdoor unit If using an external antenna mount the antenna and connect it to the outdoor unit Connect a ground cable from the outdoor unit to an appropriate grounding point Connect the indoor to outdoor cable to the outdoor unit and route it to the location selected for the indoor unit Refer to Appendix B for instructions on preparing the indoor to outdoor cable Mount the indoor unit Connect the indoor to outdoor cable to the indoor unit s Radio port Connect the indoor unit s Ethernet port to the user s network using an Ethernet cable Configure the unit s parameters Align the antenna and verify connectivity with any other units NOTE ee The indoor unit should only be connected to the power source after it has been connected to the M outdoor unit ES BreezeNET DS 11 Series User Manual Antenn BU DS11D and RB DS 11D units only ANT 1 OUTDOOR Outdoor Unit Ground Cable to Grounding Point ome lb
45. ee space E BreezeNET DS 11 Series User Manual
46. efer to Multiple Unit Configuration Mode on page 3 30 for instructions on using this feature Trap quick view When set to this mode the PC switches automatically to the Trap Monitor tab when Unit Configuration mode is selected The DS 11 Configuration Utility EI Unit Configuration Mode amp The following sections describe the various screens controls and parameters available in Unit Configuration mode Control Window In this section you can Discover the units that are connected to the network View the DS 11 units that have been discovered by their IP address Select the units you wish to manage Locate units behind a router that cannot be detected by the autodiscovery feature Assign unit IP addresses based on unit MAC addresses Set the SNMP Community string NOTE SO SOS e SCSCis If there are many units in the managed network you can enlarge the list box by clicking the horizontal line above the list Click again to toggle back the default display state The list box also displays the location of each unit as set in the Station Status window Tabs Section This section consists of several tabs each containing parameters required for the management of the selected unit The different tabs are described in the following sections When you switch between the tabs the unit selection section with the selected unit address remains displayed 5 DS Configuration Utility 192 115 118 212 BU
47. elded RJ 45 with special water proof sealed cap indoor to outdoor units Indoor units Shielded RJ 45 Ethernet Indoor units 10BaseT RJ 45 with 2 embedded LEDs Electrical Power Consumption 110VAC 25W 220VAC 24W Mechanical Dimensions Outdoor Unit 30 5 x 12 x 5 cm 12x 4 7 x 2 inch Indoor Unit 16x9 x 6 cm 6 3 x 3 5 x 23 inch Environmental Operating Temperature Indoor unit 0 C to 40 C 32 F to 104 F Outdoor unit 40 C to 55 C 40 F to 131 F Operating Humidity 5 to 95 non condensing Outdoor units are weather protected Standards Compliance General EMC EN 300 385 FCC Part 15 Safety EN 60950 UL 1950 Environmental ETS 300 019 Radio ETSI ETS 300 328 FCC Part 15 EN BreezeNET DS 11 Series User Manual DS 11 FAQ FE Appendix A alvarion We re on your wavelen This appendix provides answers to the most commonly asked questions concerning the DS 11 system The appendix is divided into the following categories General page A 2 Collocation page A 4 Firmware page A 5 Configuration page A 6 Accessories page A 7 Management page A 8 FU BreezeNET DS 11 Series Use Manual General Can the BU DS 11 RB DS 11D indoor unit be placed outdoors It is not recommended The BU DS 11 RB DS 11 indoor units are specified to operate between O C and 40 C and is not weather protected Therefore if
48. em transmits information to the transmitter The information is transmitted through an antenna that converts the RF signal into an electromagnetic wave The transmission medium for electromagnetic wave propagation is free space The electromagnetic wave is intercepted by the receiving antenna which converts it back to an RF signal Ideally this RF signal is the same as that originally generated by the transmitter The original information is then demodulated back to its original form RF Terms and Definitions dB The dB convention is an abbreviation for decibels It shows the logarithmic relationship 10 x Log a b between two values RF Power Level RF power level at either the transmitter output or the receiver input is expressed in Watts It can also be expressed in dBm The relation between dBm and Watts can be expressed as follows EX BreezeNET DS 11 Series User Manual Pagem 10 x Log Pmw For example 1 Watt 1000 mW Paga 10 x Log 1000 30 dBm 100 mW Paga 10 x Log 100 20 dBm For link budget calculations the dBm convention is more convenient than the Watts convention Attenuation Attenuation fading of an RF signal is defined as follows P Pout p Attenuation gt Figure C 2 Attenuation of an RF signal Pin is the incident power level before attenuation Pout is the output power level after attenuation Attenuation is expressed in dB as follows Pap 10 x Log Pout Pin For example If
49. eters are saved during the upgrade download procedure Advanced TFTP Settings This section describes how to configure advanced parameters when using the firmware upgrade utility Advanced TFTP setup Packet timeout Sec E E Packet Retries E v Session Retries 3 X OK Cancel Figure 3 20 Advanced TFTP Setup The Advanced TFTP Setup window enables you to tune the TFTP session parameters for a more efficient firmware upgrade depending on your actual deployment Packet timeout Defines the time in seconds it takes for a packet to timeout The range is from 1 to 30 seconds with a default of 3 seconds Packet Retries Defines the number of times that a packet will be sent after it timeouts in a TFTP session The range is from 1 to 5 retries with a default of 3 retries EF BreezeNET DS 11 Series User Manual Session Retries Defines the number of times a TFTP session will be repeated before the firmware upgrade operation is designated a failure The range is 1 5 retries with a default of 3 retries Multiple Unit Configuration Mode This feature enables configuration parameters to be downloaded to multiple units simultaneously When you select this option from the Options menu all configuration windows are displayed as write only Irrelevant parameters are disabled The multiple configuration mode does not include the General Parameters tab that is not supported by units running firmware version 3 0 or
50. ff Disabling the Ethernet back off algorithm may improve performance under certain conditions such as when there is high traffic on the Ethernet LAN The default is Disable EE BreezeNET DS 11 Series User Manual Bridging Mode Control the flow of packets that are sent to unknown addresses e Wireless Select Reject Unknown to allow forwarding to the Ethernet port of frames received on the wireless port only if the destination address is known to the unit All other frames will be dropped Select Forward Unknown to forward to the Ethernet port all frames received on the wireless port except for those sent to addresses that are recognized as being on the wireless port side The default is Forward Unknown Ethernet Select Reject Unknown to allow forwarding to the wireless port of frames received on the Ethernet port only if the destination address is known to the unit All other frames will be dropped Select Forward Unknown to forward to the wireless port all frames received on the Ethernet port except for those sent to addresses that are recognized as being on the Ethernet port side The default is Forward Unknown Unicast Relaying BU only When unicast relaying is enabled unicast messages originating on the wireless side can be transmitted back to the wireless link When disabled these packets are not sent back to the wireless link even if they are intended for addresses on the wireless port side The default is Enable
51. g the Indoor to Outdoor Cable Appendix B e alvarion We re on your wavelen The following figure shows the wire pair connections required for the indoor to outdoor cable 12345678 ces Ethernet Connector Pin Assignments The color codes used in cables supplied by Alvarion are ry 5 Wire color Blue Blue white Orange Orange white Brown Brown white Green COUN Uy ARIOJN Green white Use a crimp tool for RJ 45 connectors to prepare the wires Insert them into the appropriate pins and use the crimp tool to crimp the connector Make sure to do the following 1 Remove as small a length as possible of the external jacket Verify that the external jacket is well inside the service box to ensure good sealing 2 Take back the shield drain wire before inserting the cable into the connector to ensure a good connection with the connector s shield after crimping B2 BreezeNET DS 11 Series User Manual Radio Signal Propagation ca Appendix C e b alvarion We re on your wavelength This section explains and simplifies many of the terms relating to antennas and RF Radio Frequency systems The following diagram depicts a typical radio system Transmitting Receiving Antenna Antenna Media Transmitter Receiver Information Data Voice to be transmitted Figure C 1 A Typical Radio System A radio syst
52. gement is 65535 The unit accepts only untagged management frames received on either the Ethernet or wireless link ports Management frames generated by the unit are not tagged Valid values 1 to 4094 or 65535 No VLAN The default value is 65535 No VLAN VLAN Priority Management When Management VLAN is enabled a VLAN tag is inserted in all management frames generated by the unit before transmission to either the Ethernet or wireless link port The tag includes the values of the VLAN ID Management and the VLAN Priority Management parameters The VLAN Priority Management defines the value of the VLAN Priority field for these tags This parameter only impacts the way other VLAN aware devices handle the frame Valid values range from O to 7 The default value is 3 for both RBs and BUs VLAN ID Access BU only The VLAN ID Access is the default VLAN ID for RBs that are not included in the CPE Table see below Valid values 1 to 4094 or 65535 No VLAN The default value is 65535 No VLAN VLAN Priority Access BU only The VLAN Priority Access is the default VLAN Priority for RBs that are not included in the CPE Table see below Valid values range from O to 7 The default value is 3 802 1Q Compatible BU only In SW version 4 1 encapsulation of tagged frames transmitted on the wireless port was not compatible with the IEEE 802 1Q standard The 802 1Q Compatible parameter enables choosing the encapsulation
53. hanism It may also be used for simple to implement security without the administrative effort associated with distributing and managing keys It is a differentiating element disabling association of stations that do not have this feature The default is Disable EF BreezeNET DS 11 Series User Manual ACL Table Tab BU only 25 DS Configuration Utility 192 115 118 212 BU File Mode Help Network Autodiscovery 8 Station status Networking Parameters SNMP Parameters WLAN parameters Station Control Counters Advanced Tiapmonitor General Parameters Security nee HAG Aion tes Locate unit Add Delete MAC Addres ross Delete Allowed Set IP S zp ee Encryption ACL Table private 4X Refresh Hide to tray Apply Figure 3 12 ACL Table Tab The Access Control List table is used to authorize deny access to certain stations The list can contain up to 128 MAC addresses To Add a MAC Address to the list Type the MAC address in the Add Delete MAC Address edit box The format should be XX XX XX XX XX XX The status of the entry is defined by checking the Allowed check box check to allow association of the station with the defined address or uncheck to disable association of the station Check the Add check box to add the entry and click the apply button If the format of the entry is not valid the add operation shall
54. he following guidelines Minimum distance between sites Maximum height above the ground Maximum line of sight clearance Path of Clearest Propagation A propagation path is the path that signals traverse between the antennas of any two units The line between two antenna sites is an imaginary straight line which may be drawn between the two antennas Any obstacles in the path of the line degrade the propagation path The best propagation path is therefore a clear line of sight with good clearance between the line and any physical obstacle Physical Obstacles Any buildings or other physical structures such as trees mountains or other geographic features higher than the antenna and situated in the path between the two sites can constitute obstructions and cause signal attenuation Install outdoor antennas high enough to avoid any obstacles that may block the signal E BreezeNET DS 11 Series User Manual Path Loss Path loss is determined mainly by several factors Distance Between Sites Path loss is lower and system performance is better when distances between sites are shorter Clearance Path loss is minimized when there is a clear line of sight The number location size and makeup of obstacles determine their contribution to path loss Antenna Height Path loss is lower when antennas are positioned higher Antenna height is the distance from the imaginary line connecting the antennas at
55. her the level of impact on the Direct Sequence DS 11 network and vice versa Typically in light to moderately utilized networks the performance loss is not significant Can I use DS 11 Bridges to feed a Frequency Hopping distribution point DS 11 can be used to feed a Frequency Hopping distribution point Impact on performance of both systems can be minimized if the network is designed using cross polarized directional antennas with as much spatial separation as possible Contact technical support for more information What if the DS 11 link experiences interference If interference is affecting the DS 11 link one of the other channels may be selected to operate away from the frequency of the interference Also physically re locating the antennas may help DS 11 FAQ FT Firmware Can the BU DS 11 RB DS 11 firmware be upgraded The firmware in the BU DS 11 RB DS 11 is stored in flash and can be upgraded using the built in Configuration Utility or the TFTP server Can the BU DS 11 RB DS 11 flash be erased or the firmware changed by an unauthorized person The flash is protected against unauthorized access The TFTP server in the BU DS 11 RB DS 11 requires the SNMP write community name password to perform an upgrade Can the firmware flash be corrupted when upgrading to a new version If the TFTP file transfer is interrupted during a flash update the loaded firmware may be corrupted The DS 11 has two flash memories Curre
56. ial flooding of the wireless media by certain ARP attacks When the Limiter Option is enabled and the limit is reached the unit will send a trap The trap will be sent periodically till the number of broadcast multicast packets will be less than the maximum The trap will inform the user how many packets were discarded in the last period The Ethernet Broadcast Multicast Limiter parameters are e Limiter Option Defines the limiter s functionality The available options are e Disable e Limit only Broadcasts e Limit Only Multicasts Not Broadcasts e Limit All Multicasts Including Broadcasts The default selection is Disable Limiter Threshold packets sec Defines the maximum number of packets per second that will pass the limiter when it is enabled is enabled The range is from 0 to 20480 packets second The default is 20480 Ea BreezeNET DS 11 Series User Manual Send Trap Interval sec The time interval between two successive traps when the number of transmitted broadcasts multicasts exceeds the permitted threshold The range is from 0 to 65535 seconds 0 is for disabling traps sending The default is 300 seconds Auto Config Tab The Auto Config tab enables quick configuration of various modes by setting predefined values for several parameters upon clicking the applicable button 3 DS Configuration Utility 192 115 118 124 RB E loj xl File Mode Help Network Autodiscovery 2 Sta
57. ify the firmware file you wish to use in the Local file name fields there are separate fields for files of different device type The field text is displayed in blue when corresponding unit types are selected in the list box The AP SA WBS and WBC file name fields are for other product families that are also supported by the Firmware Upgrade utility 3 Inthe Remote File Name field enter the Read Write community string of the unit s 4 Click Advanced to change the settings of the TFTP session used in the upgrade download The Advanced TFTP setup window is described in the following page 5 Click Start to initiate the firmware upgrade progress bars are displayed indicating the progress of the operation If both BU DS 11 and RB DS 11 devices are selected the program will upgrade RB DS 11 units first The DS 11 Configuration Utility EI At the end of the upgrade session the following window is displayed indicating that the operation was successful Firmware upgrade process 199 203 143 140 F ES 199 203 143 138 PE 199 203 143 137 Gr a a 199 203 143 136 CEE CO Firmware upgrade log 199 203 143 140 Firmware upgrade successful 199 203 143 137 Firmware upgrade successful 193 203 143 138 Firmware upgrade successful 199 203 143 136 Firmware upgrade successful Figure 3 19 Firmware Upgrade Process NOTES Do not disconnect any cables or try to stop the process before downloading is completed All configured param
58. in any direction other than that of the main lobe Omni directional Antenna Radiates and receives equally in all directions in azimuth The following diagram shows the radiation pattern of an omni directional antenna with its side lobes in polar form Main Lobe Side Lobe Figure C 3 Radiation Pattern of an Omni Antenna Side View Figure C 4 Radiation Pattern of an Omni Antenna Top View ca BreezeNET DS 11 Series User Manual Directional Antenna Radiates and receives most of the signal power in one direction The following diagram shows the radiation pattern of a directional antenna with its side lobes in polar form Main Lobe Side Lobe Figure C 5 Radiation Pattern of Directional Antenna Antenna Beamwidth The directiveness of a directional antenna Defined as the angle between two half power 3 dB points on either side of the main lobe of radiation System Characteristics Receiver Sensitivity The minimum RF signal power level required at the input of a receiver for certain performance e g BER EIRP Effective Isotropic Radiated Power The antenna transmitted power Equal to the transmitted output power minus cable loss plus the transmitting antenna gain Pout Output power transmitted in dBm Ct Transmitter cable attenuation in dB Gt Transmitting antenna gain in dBi Gr Receiving antenna gain in dBi Pl Path loss in dB Cr Receiver cable attenuation in dB Si Received power le
59. inal IEEE 802 11 standard That means that stations using Short Preamble cannot communicate with stations that support only the IEEE 802 11 standard Thus Short Preamble may be enabled only if all units support the IEEE 802 11b standard and can be configured to support Short Preamble This parameter is available only in BU the RB will identify the preamble type used by the BU and will use it as well Channel Channel selection varies depending on the type of unit For BU DS 11 units select the channel that the unit will use by selecting a value range 1 13 depending on your regulatory domain from the Channel drop down menu Refer to Table 3 2 on page 3 16 for the list of corresponding frequencies For RB DS 11 units there are two channel setting options if you select the Fixed Channel option by clicking the appropriate radio button then the RB DS 11 will search for the BU DS 11 unit on the selected channel from the Channel pull down field and synchronize with it The channel you select must match the channel selected in the BU DS 11 unit at the other end of the link If you select the Scanning Mode option by selecting the appropriate radio button you can specify preferred channels by clicking one or more of the buttons displayed at the bottom of the window In this mode the Channel pull down field is disabled The RB DS 11 will scan and search for one of the preferred channel frequencies you selected If it does not find the BU DS
60. io port POWER LINK RESET RADIO Q ETHERNET Figure 2 6 Indoor Unit Top Panel E BreezeNET DS 11 Series User Manual 6 Connect the 10BaseT ETHERNET connector marked e to the network The cable connection should be straight Ethernet if connecting the indoor unit to a Hub and a crossed cable if connecting it directly to a PC Network Interface Card NIC S The length of the Ethernet cable connecting the indoor unit to the user s equipment together with the length of the indoor to outdoor cable should not exceed 100 meters Configuring Parameters Before aligning the antenna certain key parameters must be configured to enable connectivity with linked units See Unit Configuration Mode on page 3 3 for more information Antenna Alignment Usually low gain antennas do not require alignment due to their very wide radiation pattern High gain antennas including the integral antenna of DS 11 units have a narrow beam width necessitating an alignment procedure in order to optimize the link Check the antenna alignment by using the RSSI bar on the bottom panel of the RB DS 11 unit gt To align the antenna l Confirm that the units at both ends of the link are receiving power 2 Synchronize the units by aligning the antennas at the base and remote sites until maximum signal quality is obtained Check the signal quality Received Signal Strength Indication RSSI bar on the bottom panel of the RB DS 11 The first LED light
61. ion products purchased from Alvarion or through any of Alvarion s authorized resellers are subject to the following warranty and product liability terms and conditions Exclusive Warranty Alvarion warrants that the Product hardware it supplies and the tangible media on which any software is installed under normal use and conditions will be free from significant defects in materials and workmanship for a period of fourteen 14 months from the date of shipment of a given Product to Purchaser the Warranty Period Alvarion will at its sole option and as Purchaser s sole remedy repair or replace any defective Product in accordance with Alvarion standard RMA procedure ER BreezeNET DS 11 Series User Manual Disclaimer a UNITS OF PRODUCT INCLUDING ALL THE SOFTWARE DELIVERED TO PURCHASER HEREUNDER ARE NOT FAULT TOLERANT AND ARE NOT DESIGNED MANUFACTURED OR INTENDED FOR USE OR RESALE IN APPLICATIONS WHERE THE FAILURE MALFUNCTION OR INACCURACY OF PRODUCTS CARRIES A RISK OF DEATH OR BODILY INJURY OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE HIGH RISK ACTIVITIES HIGH RISK ACTIVITIES MAY INCLUDE BUT ARE NOT LIMITED TO USE AS PART OF ON LINE CONTROL SYSTEMS IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL SAFE PERFORMANCE SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS AIR TRAFFIC CONTROL LIFE SUPPORT MACHINES WEAPONS SYSTEMS OR OTHER APPLICATIONS REPRESENTING A SIMILAR DEGREE OF POTE
62. it is necessary to install it outdoors it should be placed in a protective cabinet Do DS 11 units support 802 1Q VLAN The DS 11 passes VLAN packets transparently within a VLAN network without taking any action on 802 1Q frames What is the maximum number of networked PCs the BU DS 11 RB DS 11 can learn The DS 11 units can learn up to 1024 network MAC addresses from the LAN side Can the BU DS 11 RB DS 11 be used for multi point as well as point to point links The BU DS 11 can support multiple RB DS 11 units creating a point to multi point network How many RB DS 11 units can one BU DS 11 support The maximum number of associations is 128 What is the practical limit to the number of RB DS 11 units per BU DS 11 And what performance can I expect for a multi point link This depends upon expected average throughput at peak traffic hours All clients would have the maximum throughput available for burst traffic However the overall average would depend on the utilization of the network For example in a heavily utilized network needing about 350Kbps to 500kbps average net throughput per site 9 to 12 RB DS 11 s would be the limit For a moderately utilized network needing about 175Kbps to 258Kbps average 18 to 24 RB DS 11 s should be used and for a lightly used network needing 32Kbps to 48Kbps average net throughput per site could use up to 128 RB DS 11 s What is the range of the BU DS 11 RB DS 11 Bridges A range of 2
63. lays the regulatory authorities in the relevant country of use e g Canada ETSI FCC Japan Power Displays the current output power level at the antenna port The DS 11 Configuration Utility E ESSID An ASCII string of up to 32 characters used to identify a WLAN and prevents the unintentional merging of two overlapping WLANs It is essential that the ESSID is set to the same value in all Remote Bridges and Base Units that are meant to communicate with each other The ESSID field is case sensitive Maximum data rate By default the unit adaptively selects the highest possible rate for transmission Under certain conditions for range speed trade off you may decide not to use the higher rates Possible values are 2 5 5 or 11 Mbps The default value is 11 Mbps Range The operative range of your WLAN or Wireless Link in the drop down list This parameter affects the acknowledge delay time which needs to be increased in long links The default value is up to 5km Short Preamble BU only Two different preamble types are defined the mandatory supported Long Preamble which interoperates with the 1 Mbps and 2 Mbps specifications as described in IEEE 802 11 standard and a Short Preamble as described in IEEE 802 11b standard The Short Preamble may be used to minimize overhead and thus increase the data throughput However the Short Preamble is supported only by the IEEE 802 11b standard High Rate and not by the orig
64. licable only to RB units and vice versa A log of the multiple configuration session is displayed during and after the operation The DS 11 Configuration Utility EU Resetting the SNMP Community Strings The SNMP Read Write Community strings serve as an SNMP security feature to restrict management access to authorized persons only To reset the SNMP community strings insert a paper clip or another suitable tool into the Reset button on the top panel of the unit and press the button it for than one second at least see Figure 2 6 on page 2 13 while the unit is operating After one more second the community strings are reset to the default values private Read Write and public Read Reloading Factory Default Settings gt To reset the unit to the factory defaults 1 Disconnect the power cable from the indoor unit 2 Insert a paper clip or another suitable tool into the Reset button on the top panel of the unit see Figure 2 6 on page 2 13 Keep the Reset button pressed while inserting the power cable back into its socket Keep the Reset button pressed for at least 3 seconds after reinserting the power cable After one more second the unit will be reset to its factory default configuration Configuration Guidelines FE Chapter 4 e ERR t We re on your wavelengtl About This Chapter This section provides guidelines regarding configuration of parameters that are important for ensuring optimal performance under va
65. ltiple retry 8287 ACK Failed 44034 Failed Count 1262 RTS Success 0000 RTS Failed 0000 ae Reset Counters Link counters Drag a counter to the Link 001047950037 e a f graph image to view Tx Success 0000 set IP fS graph Tx Fall 10 0000 Community private va Refresh Hide to tray Apply Figure 3 7 Counters Tab BU Units Using the Counters tabs you can view a wide range of performance data at both sides of the link For RB units you can monitor the received signal strength through the RSSI Received Signal Strength Indication bar indicator at the bottom of the window This RSSI bar can be used to optimize antenna alignment and improve link quality To obtain a graph that displays the counter values select a counter and drag it to the icon Tx Counters Tx Fragments The number of transmitted frames The count includes data and management frames and the number of retransmissions of data frames for example if the same data frame is retransmitted ten times then the count will increase ten times Tx Frames The number of frames successfully transmitted to the wireless media The count includes successful transmissions of data frames excluding retransmissions and the number of management frames Multicast Tx Frames The number of successfully transmitted multicast frames Retry Count The number of frames that were successfully transmitted after one or more retra
66. method 802 1Q compatible or DS 11 SW version 4 1 compatible When this parameter is disabled encapsulation will be the same as in SW version 4 1 providing compatibility with DS 11 RBs running SW version 4 1 In this case there is no compatibility with other devices that are 802 1Q compatible When this parameter is enabled encapsulation will be in accordance with the 802 1Q standard However there will not be compatibility with DS 11 units running SW version 4 1 The default is Disable The DS 11 Configuration Utility Networking Parameters CPE Table Tab BU only DS Configuration Utility 1 1 1 201 BU E E x File Mode Help Network Autodiscovery ZR WLAN parameters Station Control Counters Advanced Trap monitor General Parameters Security Auto Contig Station status Networking Parameters SNMP Parameters MAC Address VLAN Priority 11 22 33 44 55 66 3 3 11 11 22 22 33 33 3 2 77 99 88 55 55 55 1 0 Locate unit Add Delete MAC Address D MANID fi E Set IP _ sa EDS VLAN Priority z Community L private 4X General CPE Table Hide to tray Close Figure 3 5 Networking Parameters Tab BU zl Apply The CPE Table tab enables defining the VLAN functionality for data frames for each of the RBs associated with the BU The VLAN functionality of associated RBs that are not defined in the C
67. ndow displays the recorded traps Click Clear List to clear the display area EI BreezeNET DS 11 Series User Manual Firmware Upgrade Mode This mode enables the embedded software in managed units to be upgraded When you select this mode from the Options menu the following window is displayed 27 BreezeNET DS 11 Configuration Utility File Mode Debuginfo Help Network Autodiscovery 5 Fr Local file names AP file name SA file name WBS file name WBC file name Ej BU file name DS11BU arm Se RB file name DSTIRB arm a Locate unt Remote file name private After selecting the required devices from the m device list and supplying the required file Start DI SEP EN names press the Start button to begin Community upgrade operation Figure 3 18 Firmware Upgrade Mode dialog box T The Configuration utility does not resolve the topology of the cell Therefore firmware upgrades should be made from the central site where the BUs are located The list box on the left hand side of the dialog box displays the managed units it is sorted sequentially by BU DS 11 followed by RB DS 11 units gt To upgrade the firmware 1 Select the units that you wish to upgrade from the list box Use Shift click and or Ctrl click to select multiple units or select multiple units by dragging with the mouse 2 Spec
68. nfig Ethernet Disable Back Off Disable Bridging Mod Wireless Forward Unknown Ethemet Forward Unknown Allow ESSID ANY Disable Auto BU Disconnect Disable i i Enable X TSE Bilge ford Unicast Relaying K Time 1800 E Multicast Relaying Enable Gi Broadcast Relwing Enabe gt Ethernet Broadcasts Multicasts Limite Set IP Limiter Option Disable M Communit at Limiter Threshold 20480 z Send Trap 65535 2 private lt s packets sec Interval sec Hide to tray Apply nere Close Figure 3 14 General Parameters Tab BU 4 DS Configuration Utility 1 1 1 201 RB File Mode Help Network Autodiscovery WLAN parameters Station Control Counters Advanced Station status Networking Parameters SNMP Parameters Trap monitor General Parameters Security Auto Config Ethemet Disable x Preferred BLI Back Off Disable Enforce Disable E Bridging Mod MAC Address Wireless Forward Unknown 00 00 00 00 00 00 Ethernet Forward Unknown eene Die z Locate unie Ethernet Broadcasts Multicasts Limiter set IP fS Limiter Option Disable gt Community Limiter Threshold pom s Send Trap 20480 300 private x packets sec Interval sec Hide to tray Apply Refresh Close Figure 3 15 General Parameters Tab RB Ethernet Back O
69. nsmissions Multiple Retry This counter is incremented when a packet is successfully transmitted after more than one retransmission The DS 11 Configuration Utility ES e Failed Count This counter is incremented when a packet is not transmitted successfully due to the number of transmit attempts exceeding either the Short Retry Limit or Long Retry Limit Rx Counters Rx Fragments The number of frames received including duplicate data frames Multicast Rx Frames The number of received multicast frames FCS Error The number of frames received with a CRC error FCS Error The percentage of frames received with a CRC error calculated as 100 FCS Error Rx Fragments FCS Error Frame Duplicate The number of duplicate frames that were received ACK Failed The number of time that an expected ACK was not received RTS Success The number of successful RTS transmissions meaning the number of times that CTS was received as a response to RTS RTS Failed The number of unsuccessful RTS transmissions meaning the number of times that CTS was not received after transmitting RTS Link Counters The Tx Success and Tx Fail counters displayed at the end of the counters list are link specific to activate these counters for a specific link select the MAC address of the unit at the other end of the link Tx Success The number of data and management frames except for beacons and multicasts that were tran
70. nt and Shadow The new firmware is loaded as the shadow version If the newly loaded firmware is corrupt then the unit can continue operation using the primary current version Can DS 11 firmware be downgraded An earlier version of firmware can be loaded and used by the units Can the previous version of firmware be kept The previous version is maintained in the flash memory and the user can switch between the two versions using the Flash Control commands EX BreezeNET DS 11 Series Use Manual Configuration Can the regulatory domain country of a DS 11 unit be changed The regulatory domain is factory set and cannot be changed How can the DS 11 be configured or managed if the SNMP Community name has been forgotten Press the reset button on the top panel with a paper clip This will set the read and write Community names to public and private respectively How can the DS 11 unit be returned to factory default settings There are two ways to return the unit to its factory default settings One way is to use the Default button on the Station Control Tab in the DS 11 Configuration Utility The other is to press and hold the reset button on the back of the unit while powering on the unit Remember that all settings including IP addresses will be lost when setting the unit to its factory defaults DS 11 FAQ ESA Accessories Can I use the same accessories on my BreezeNET DS 11 as on my BreezeNET PRO 11 Not all BreezeNET PR
71. nterference when the equipment is operated in a residential environment not withstanding use in commercial business and industrial environments 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected nm BreezeNET DS 11 Series User Manual e Consult the dealer or an experienced radio TV technician for help Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC Radiation Exposure Statement To comply with FCC RF exposure requirements in section 1 1307 a minimum separation distance of 2 m 79 inches is required between the antenna and all persons Antenna Installation WARNING It is the responsibility of the installer to insure that when u
72. o that it conveniently reaches the indoor unit while avoiding interference sources It is recommended that the cable be a little longer then necessary The cable is supplied open ended so it can be conveniently threaded as shown into the building l The unit can be placed on a desktop or a shelf Alternatively it may be wall mounted The drilling template included with the unit can be used to simplify the wall installation process 2 Assemble an RJ 45 connector with a protective cover on the indoor side of the indoor to outdoor cable Refer to Appendix B for instructions on preparing the RJ 45 cable connector 3 Connect the indoor to outdoor cable to the Radio connector located on the top panel of the indoor unit shown in Figure 2 6 The indoor to outdoor cable should be connected to the unit before the unit is connected to the mains power 4 After connecting the outdoor unit to the indoor unit using the indoor to outdoor cable connect the power cord to the unit s AC socket located on the bottom panel Connect the other end of the power cord to the AC mains after verifying that the unit is rated for the voltage in the country of use the AC rating is indicated on the bottom panel of the indoor unit NOTE amp The color codes of the power cable are Brown phase Blue neutral 0 Yellow Green grounding 5 Verify that the yellow POWER LED located on the top panel is lit indicating that the unit is supplying power to the rad
73. pare and install the cable connecting the indoor to the outdoor unit Appendix C Radio Signal Propagation Describes many of the terms and concepts related to antennas and RF Radio Frequency systems Introduction BER System Description The BreezeNET DS 11 wireless Base Unit BU DS 11 and Remote Bridge RB DS 11 are designed to provide long range point to multipoint links for outdoor applications The products use direct sequence spread spectrum radio technology operating at the frequency range of 2 4 2 4835 GHz a part of the FCC s unlicensed Industrial Scientific and Medical ISM band Data is transmitted at rates of up to 11 Mbps providing network users with full 10BaseT Ethernet speeds Functional Description The BreezeNET BU DS 11 and RB DS 11 can be used as high speed connections between two or more remote networks a fs iE server Tm ull Mee ec LDU Central Network aaa zj ood BU DS 11 i Oo AN N RB DS 11 RB DS 11 RB DS 11 1 3 a 8 gre 2 gE a amp Remote Network 1 Remote Network 2 Remote Network 3 Figure 1 1 BreezeNET DS 11 Point to Multipoint Application BU DS 11 Wireless Base Unit The BU DS 11 is an IEEE 802 11b compliant base station that connects one or more remote sites to a central se
74. r expense or damage incurred as a result of installations that exceed local transmission power limitations Installation EN Installing the Outdoor Unit The outdoor unit can be secured to the pole using one of the following options Special brackets sets supplied with each unit There are two pairs of threaded holes on the units allowing the use of the brackets with various pole widths Metal bands 9 16 wide minimum 12 long Figure 2 2 shows the locations of the holes and grooves on the back of the unit Figure 2 3 illustrates the method of installing a unit on a pole using the supplied brackets NOTE d Make sure to install the unit with the bottom panel the panel with the signal strength bar and LEDs facing downward Grooves for Insertion of 9 16 Metal Band Threaded holes Figure 2 2 Installation Holes Grooves BreezeNET DS 11 Series User Manual Figure 2 3 3 Pole Mounting Installation Using the Supplied Brackets NOTE When inserting the open ended bolts make sure to insert them with the grooves pointing outwards these grooves are intended to allow fastening of the bolts with a screwdriver Installation E Connecting the Ground and Antenna Cables The Ground terminal marked is located on the bottom panel of the outdoor unit In DS 11D units the antenna s RF connector marked Y is located on the top panel of the outdoor unit Ground screw
75. rious conditions E BreezeNET DS 11 Series User Manual Configuring Critical Parameters One Click Configuration To facilitate fast configuration and avoid mistakes optimization of several operation modes can be ensured by configuring predefined values of several parameters using the button in the Auto Config tab These modes are Point to Point links Point to Multi Point systems with 2 to 5 RBs Compatibility mode for interoperability wwith DS 11 running previous software versions and other IEEE 802 11 devices High Performance mode to deliver optimal throughput when the RSSI of all links is 80 dBm at least and all units run SW version 4 0 Short Preamble The use of a Short Preamble will reduce overheads and increase throughput by up to 30 in links that operate at 11 Mbps Therefore it is recommended to always use Short Preamble except for situations where there is a need to communicate with other units that do not support the Short Preamble option CW Minimum The value of the Minimum Contention Window can significantly influence the performance of DS 11 links A value that is too small may result in an excessive number of collisions while a value that is too large will cause an inefficient use of the available bandwidth In both cases the actual throughput will be lower than the achievable performance level The value selected for CW Min should be increased when a A larger number of RBs are served by the BU
76. rver or Internet connection In a point to multi point configuration the BU DS 11 is the central unit while in point to point configurations it should be installed at one end of the link The BU DS 11 is available in two options The BU DS 11 and the BU DS 11D The BU DS 11 is the basic unit equipped with an antenna integrated into the front cover of the outdoor unit The BU DS 11D doesn t have an integral antenna and is equipped with a connector on the outdoor unit for an external antenna not included with the unit Refer to Antennas for Outdoor Applications on page 2 6 and Available Antennas on page 2 7 for information on how to select an appropriate external antenna BER BreezeNET DS 11 Series User Manual RB DS 11 Wireless Bridge The RB DS 11 Wireless Bridge connects a remote Ethernet network to a central network server or Internet site via a BU DS 11 Multipoint Base Unit The maximum number of MAC addresses that the unit can handle at any specific time is 1024 and the Aging algorithm is applied at all times When a station on the Ethernet LAN sends a message that is not destined for a local station the RB DS 11 forwards the message to the BU DS 11 When the BU DS 11 receives a message destined for a station on the RB DS 11 s LAN the BU DS 11 forwards it to the RB DS 11 In this manner the RB DS 11 and the BU DS 11 work together like a standard network bridge The first time each station on the RB DS 11 s LAN sends a mes
77. s red to indicate that the unit is working The remaining nine LEDs light green to indicate the signal strength The stronger the signal the more LEDs are lit Rotate the antenna slowly to the left or right using small increments until you reach the point of maximum RSSI reading Make sure that at all times the front of the antenna faces the general direction of the BU DS 11 Installation Verifying Correct Operation The following sections describe how to ensure that the units are correctly installed and functioning properly Verifying Correct Operation of the Indoor Unit To verify proper operation check the LED indicators located on the top panel of the indoor unit as shown in Figure 2 6 on page 2 13 and as described in Table 2 2 Power indication Orange 48VDC is present on the Radio RJ45 port Off No power is supplied to the Radio RJ45 port Self Test and The LINK LED indicates end to end connection between the Ethernet Link outdoor unit and the Ethernet connection to the indoor unit indication Off No Ethernet connectivity has been detected between the outdoor unit and the device connected to the indoor unit Green Self test passed and Ethernet connection is confirmed by the outdoor unit Ethernet integrity check passed Table 2 2 Indoor Unit LEDs Verifying Correct Operation of the Outdoor Unit To verify proper operation check the LED indicators located on the bottom panel of the outdoor unit Wirele
78. sage the station s address is registered by both the RB DS 11 and the BU DS 11 It is possible for the RB DS 11 and BU DS 11 to store all the addresses necessary to support an entire LAN connected to a RB DS 11 The RB DS 11 comes in two options The RB DS 11 and the RB DS 11D The RB DS 11 is the basic unit equipped with an antenna integrated into the front cover of the outdoor unit The RB DS 11D has no integral antenna and is equipped with an antenna connector on the outdoor unit for the connection of an external antenna not included with the unit Refer to Antennas for Outdoor Applications on page 2 6 and Available Antennas on page 2 7 for information on how to select an external antenna BreezeNET DS 11 Compatibility and Standards BreezeNET DS 11 products are compatible with the following standards and are interoperable with other IEEE 802 11b compatible 2 4 GHz direct sequence products IEEE 802 11b Wireless LAN IEEE 802 3 10BaseT Ethernet DHCP for automatic IP address assignment SNMP for system management Installation EN e S alvarion We re on your wavelength Chapter 2 About This Chapter This chapter is comprised of the following sections Packing List page 2 2 describes the components included with the BreezeNET DS 11 series installation kit Additional Installation Requirements page 2 2 describes the additional standard tools and materials required for installation
79. sing the outdoor antenna kits in the United States or where FCC rules apply only those antennas certified with the product are used The use of any antenna other than those certified with the product is expressly forbidden in accordance to FCC rules CFR47 part 15 204 The installer should configure the output power level of antennas according to country regulations and per antenna type Important Notice E Important Notice This manual is applicable to BreezeNET DS 11 units and is delivered subject to the following conditions and restrictions This manual contains proprietary information belonging to Alvarion Such information is supplied solely for the purpose of assisting explicitly and properly authorized users of BreezeNET DS 11 equipment No part of its contents may be used for any other purpose disclosed to any person or firm or reproduced by any means electronic and mechanical without the express prior written permission of Alvarion The text and graphics are for the purpose of illustration and reference only The specifications on which they are based are subject to change without notice The software described in this document is furnished under a license The software may be used or copied only in accordance with the terms of that license Information in this document is subject to change without notice Corporate and individual names and data used in examples herein are fictitious unless otherwise noted
80. smitted and acknowledged by the intended recipient Tx Fail The number of data and management frames except for beacons and multicasts that were transmitted without being acknowledged by the intended recipient Tx Fail The percentage of data and management frames except for beacons and multicasts that were transmitted without being acknowledged by the intended recipient calculated as follows 100 T x Fail Tx Success Tx Fail Resetting Counters You can reset the counters displayed in the Counters tab by clicking the Reset Counters button All displayed values are reset to display zero Note that this action does not reset the counters stored in the actual unit but just resets the values displayed in the screen Therefore if you exit the Counters tab after performing a reset and reopen it at a later time the counter values are displayed to reflect the values stored in the unit To reset the counters in the unit turn off the unit and then turn it back on E BreezeNET DS 11 Series User Manual WLAN Parameters Tab The WLAN parameters tab allows you to define or edit parameters related to the Wireless LAN environment in which the selected unit is operating The window displayed varies depending on the type of unit selected 27 DS Configuration Utility 192 115 118 212 BU File Mode Help Network Autodiscovery fa Advanced Trap monitor General Parameters Security 1 Station status Networking Parameters
81. ss Link The green LED is updated every second It will be turned on if Indicator at least one data packet excluding beacons was transmitted during the last second Thus it will stay on continuously when there is high traffic In lower traffic rates it will blink where the blinking rate is slower when there is less wireless traffic Self Test and Power Green Power is available and self test passed indication BreezeNET DS 11 Series User Manual Ethernet activity OFF Ethernet connectivity is OK connectivity indication No traffic activity detected on the port Blinking Green Ethernet connectivity is OK with traffic on the port Red No Ethernet connectivity When this state occurs check the Ethernet cable and indoor to outdoor cable connections RSSI Load RB DS 11 Received Signal Strength Indication BAR m BU DS 11 Number of associated RB DS 11 units Table 2 3 Outdoor Unit LEDs What to do if the Self Test Fails Upon failure of the self test the WLAN DC Power and ETH LEDs as well as the leftmost 2 LEDs of the RSSI bar are blinking synchronously The statuses of the other 8 LEDs of the bar indicate the specific problem type If the Self Test fails try the following Reset unit Disconnect reconnect the power Check the indoor to outdoor cable Reset to factory defaults see page 3 31 If all fails contact technical support and provide details regarding the status of the RSS
82. t can operate at all rates with 802 11b High Rate DS equipment BreezeNET DS 11 units are also fully WI FI compliant When the proprietary Scrambler differentiating option is activated the units will not interoperate with equipment from other vendors What is the typical latency of a BU DS 11 RB DS 11 The latency in a point to point link is about 2mS PS BreezeNET DS 11 Series Use Manual Collocation and Interference How many BU DS 11 or RB DS 11 units can be collocated on the same building or tower Up to 3 BU DS 11 or RB DS 11 units can be collocate on the same structure Each unit is assigned to one of three non overlapping channel e g channels 1 6 and 11 in FCC compliant installations What is the antenna separation requirement for collocating BU DS 11 or RB DS 11 units on the same building or tower The antennas should be mounted at least 60 cm 2 feet apart when using UNI 16 s 4 5 m 15 feet apart when using UNI 24 s and 21 m 75 feet apart when using OMNI 8 s Greater separation will improve the link distance Can a Frequency Hopping network operate in the same area as the BreezeNET DS 11 A Spread Spectrum Frequency Hopping network can operate in the same area as the DS 11 network However in a collocated network both products will suffer some a decrease in performance The degree of performance loss depends on network utilization For example the higher the utilization of the Frequency Hopping network the hig
83. t complete set of your system configuration parameters to an external file Set IPM Community Export Hide to tray Close private va Figure 3 10 The Station Control Tab The Station Control tab is comprised of the following components Station Control Click the button for all parameters to revert to the factory defaults Click the __ Export button to export the current basic configuration of this unit to a file A popup window is displayed prompting you to specify the name of the file The created file can be used to save the configuration information or to send it to tech support as a reference for troubleshooting Reset Unit Click the Ree button to reset the unit and apply any changes made to the system parameters The flash memory can store two software versions One version is called Current and the other is called Shadow New software versions are loaded as the shadow version You can select the shadow version as the new active version by selecting Reset and Boot from Shadow Version However after the next reset the current version is re activated To continue using the currently active version after the next reset select Use Current Version After Reset The parameters configured in the unit are not changed as a result of loading new software versions unless the new version includes additional parameters or additional changes in the
84. tatus Networking Parameters SNMP Parameters IP Parameters oy IP Address noc noc noc om Subnet Mask 255 255 ss o Default Gateway fo fo fo fo DHC Use DHCP Smart Locate unit VLAN Support E VLAN ID 65535 VLAN ID 65535 zi si Management m Access VLAN Priority VLAN Priority 4 8 Set IP fS Management Access 802 10 Compatible Disable xe Community private X CPE Table Hide to tray Figure 3 4 Networking Parameters Tab BU The networking IP parameters can be configured manually They may also be assigned automatically by a DHCP server IP Parameters IP Address The IP address of the selected unit Subnet mask The Subnet mask of the selected unit Default gateway The default gateway of the selected unit The DS 11 Configuration Utility ES DHCP Use DHCP Sets the way your system utilizes the Dynamic Host Configuration Protocol DHCP used for automatic IP assignment Always The system searches for a DHCP server each time the unit is turned on Smart The system searches for a DHCP server only if no IP address was assigned If an IP address was assigned manually the system will not search for a DHCP server Never The system never searches for a DHCP server The default value is Smart NOTE V When the unit is configured to use a DHCP server and none exists the unit will assign itself an automatic cl
85. tion status Networking Parameters SNMP Parameters WLAN parameters Station Control Counters Advanced Trap monitor General Parameters Security Auto Config 172 17 30 186 RB Alcatel old Alcatel20 199 203 141 139 BU Set PtP Mode Set PMP Mode n Locate unit Set Compatibility Mode Set High Performance Mode Set IPM Community 33 private ra Close Refresh Apply Hide to tray Figure 3 16 Auto Config Tab Set PtP Mode Click to set the following parameters to support optimized configuration for Point to Point operation Minimum Contention Window 15 RTS Threshold 2437 Set PtMP Mode Click to set the following parameters to support optimized configuration for Point to Multi Point operation with 2 5 RBs Minimum Contention Window 63 RTS Threshold 2437 in BU 60 in RB The DS 11 Configuration Utility EE Set Compatibility Mode Click to set the following parameters which are unique to DS 11 version 4 0 to values that will ensure interoperability with DS 11 units running previous versions as well as with other IEEE 802 11 compliant devices Basic rate 2Mbps Short preamble Disable BU e Scrambling Disable NOTE To ensure compatibility verify that a 128 bit WEP Key is not used Set High Performance Mode The units can be configured to deliver high
86. to contact the Alvarion Technical Support Department The support representative can assist you in solving any problems that cannot be solved by your reseller When requesting support please have the following items available Configuration of the system including models of the Alvarion equipment used and other applicable equipment and connecting cables Hardware and Firmware versions of the Alvarion equipment Configuration and statistics counters as viewed in the Configuration Utility Description of the problem encountered To contact Alvarion Technical Support Department refer to the Alvarion web site www alvarion com support htm Table of Contents E User Manual ii a p r Table of Contents We re on your wavelength Introduction 1 1 Scope of the Manual 1 2 System Description 1 3 Functional Description 1 3 BreezeNET DS 11 Compatibility and Standards 1 4 Installation 2 1 Packing List 2 2 Additional Installation Requirements 2 2 Installation Overview 2 3 Outdoor Installation Considerations 2 5 Collocating DS 11 Outdoor Units 2 5 Site Selection Factors 2 5 Rooftop Installation 2 6 Antennas for Outdoor Applications 2 6 Antenna Polarization 2 6 Antenna Seal 2 7 Cell Size Link Distance 2 7 Using Outdoor Range Tables 2 7 Available Antennas 2 7 Precautions 2 8 Compliance with Radio Regulations 2 8 Installing the Outdoor Unit 2 9 Connecting the Ground and Antenna Cables 2 11 Connecting the Indoor to Out
87. vel at receiver input in dBm Ps Receiver sensitivity in dBm Si Pout Ct Gt Pl Gr Cr EIRP Pout Ct Gt Radio Signal Propagation cs Link Parameters Frequency 2 4 GHz Pout 4 dBm 2 5 mW Tx and Rx cable length Ct and Cr 10 m cable type RG214 0 6 dB meter Tx and Rx antenna gain Gt and Gr 18 dBi Distance between sites 3 Km Receiver sensitivity Ps 84 dBm Link Budget Calculation EIRP Pout Ct Gt 16 dBm Pl 32 4 20xLog FMHz 20xLog RKm 110 dB Si EIRP Pl Gr Cr 82 dBm In conclusion the received signal power is above the sensitivity threshold so the link should work The problem is that there is only a 2 dB difference between received signal power and sensitivity Normally a higher margin is desirable due to fluctuation in received power as a result of signal fading Signal Fading Fading of the RF signal is caused by several factors Multipath The transmitted signal arrives at the receiver from different directions with dif ferent path lengths attenuation and delays The summed signal at the receiver may result in an attenuated signal Transmitter Receiver Multipath Reception Figure C 6 Multipath Reception Bad Line of Sight An optical line of sight exists if an imaginary straight line can connect the anten nas on either side of the link Radio wave clear line of sight exists if a certain area around the optical line of sight Fresnel zone

Alvarion BU-DS.11 Network Router User Manual

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