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Radio Configuration

June 2003 Rev 0

75

Setting the Modulation Type

The OFDM Modulation Type can be selected from among the following possible values: "QAM 16", 
"QPSK" and "BPSK". The selected type will be added to the next superframe transmitted.

➧  

To set the Modulation Type

1. From the Main System Menu, select

 Radio Configuration

 and press 

Enter

.

 The Radio Configuration menu appears.

2. Select 

Modulation Type 

and press 

Enter

. The field highlights.

3. Use the up/down arrows to select the desired modulation type from the pull down list, and press 

enter again. This change requires a reboot to take effect.

                               Radio Configuration       
 
 
    OFDM Station Type                  Base Station  
 
    RF Station Id  [1..2047]        -> 2        
    Sector Id  [0..31]                 1        
    Synchronization Id  [0..1]         0        
 
    Base Station Tx                    Disable 
 
    Center Freq (kHz)                  5787000       
     
    Set Tx Power (dBm) [-3...17]       17           
    Modulation Type                    QAM 16  
 
 
 
 
 
Note: Changes on this menu aside from Tx Power require that 
the unit be rebooted to take effect. 

Содержание LIBRA 5800 AP

Страница 1: ...User Manual June 2003 Rev 0 Software Version 3 1...

Страница 2: ...You can obtain the latest customer documentation for this product by visiting our web site at www wi lan com Click on Support Customer Documentation Updated information will be posted regularly on th...

Страница 3: ...hnical support 10 Contacting Wi LAN Technical Support 11 Wi LAN product information 11 Publication history 11 Description 13 Overview 13 Libra 5800 Series System Features 13 About W OFDM 14 About Poin...

Страница 4: ...enu Second Screen 42 Main System Menu 45 System Revision Information 46 System Software ROM Images 48 Viewing system software ROM images 48 System Current Status 48 Viewing system current status 48 Sy...

Страница 5: ...ption 81 MAC Layer Statistics 84 Using the Command Line 86 Field Installation 89 Introduction 89 Libra 5800 field installation 90 Site preparation 90 Tools and equipment 91 Libra 5800 installation pro...

Страница 6: ...x D Linktest and Link Statistics 119 Overview 119 Performing a Linktest 119 Linktest variables 120 Appendix E Bench Configuration Testing 123 Overview 123 Setup process 123 Tools and equipment 124 Che...

Страница 7: ...rom failure to heed a WARNING Do not proceed beyond a WARNING until the indicated conditions are fully understood and met CAUTION Damage to equipment may result from failure to heed a caution Do not p...

Страница 8: ...common problems Appendix A Upgrading Software page 103 tells how to upgrade software Appendix B SNMP MIB page 107 explains the Simple Network Management Protocol software used to remotely control the...

Страница 9: ...ensure that the information contained in this guide is correct Wi LAN Inc does not warrant the information is free of errors or omissions Information contained in this guide is subject to change with...

Страница 10: ...onal installer The parts in some Libra 5800 versions are Imperial sizes inches and fractions of a inch Do not attempt to mix Imperial nuts bolts and screws with similar metric hardware This will strip...

Страница 11: ...r in your region or call 1 403 273 9133 to speak with a Wi LAN sales representative or visit our web site at www wi lan com Publication history By Telephone Call 1 403 273 9133 Business hours 8 00 a m...

Страница 12: ...Notices 12 Libra 5800 Series User Guide...

Страница 13: ...high gain external antenna fast transmission speeds up to 32 Mbps raw data rate in 10 MHz channel 12 5 MHz separation Efficient use of spectrum cost effective wireless solution is inexpensive compared...

Страница 14: ...ead across all the channels interference usually affects only a few channels rather than all channels and lost data can be easily recovered Since W OFDM is insensitive to interference the amount of on...

Страница 15: ...nection to higher gain external antennas LIBRA 5800 P MP System Components Access Point AP Equipment The AP controls communication within the wireless network and is the main access point to the Ether...

Страница 16: ...nit and 2 Ethernet Power Inserter with CAT 5 cable bought separately and weatherproofing kit included LIBRA 5800 CPE The CPE is the main piece of equipment that would normally be installed outdoors in...

Страница 17: ...the user based on the network requirements Radio Operation Background The Libra 5800 communicates using a technique call Time Division Duplexing TDD in both the P P and P MP configurations TDD uses on...

Страница 18: ...ection to the Internet backbone or in situations where throughput requirements between two locations are such that the bandwidth can t be shared Rapid Deployment RD Equipment The RD equipment is inten...

Страница 19: ...needed The ER is equipped with an N type connector so that the external antenna can be connected to it Thus the range of the P P system can be significantly increased by use of higher gain antennas A...

Страница 20: ...es of Libra 5800 equipment The AP ER and LCPE units also have a female N Type connector on the front panel for connection to the antenna Libra 5800 Connection Panell CAT 5 Weatherproofing Kit Power Et...

Страница 21: ...rdware June 2003 Rev 0 21 Libra 5800 AP ER and LCPE Front Panel RF Connector Ethernet Power Inserter Item Description 1 To Ethernet LAN 2 To Libra 5800 Radio 3 Main AC Power Cord N Type Connector 1 3...

Страница 22: ...ware Mounting Kit for Libra 5800 Large Pipe Diameter Mounting Configuration Unit can be rotated by 90o to operate in either vertical or horizontal polarization See the arrow on the antenna for proper...

Страница 23: ...Hardware June 2003 Rev 0 23 Small Pipe Diameter Mounting Configuration Wall Mounting Configuration Knuckle allows for Pan and Tilt can be used in all other Configurations To Unit To Wall...

Страница 24: ...4 Mbps Power Ethernet Cable Length Max Length 40m Max Length 40m Integrated Antenna 23 dBi RD Only 23 dBi CPE Only RF Connector N Type Female ER only N Type Female AP LCPE Only RF Technology W OFDM 16...

Страница 25: ...nn RS 232 Serial Port DB 9 Conn Management Port Functionality Support system configuration security access control wireless LAN diagnostics management menu driven ASCI I interface Support system confi...

Страница 26: ...Description 26 Libra 5800 Series User Guide...

Страница 27: ...is menu has its own logon id and like the Setup menu above is used to allow the user to configure the Libra unit quickly A PDA can be connected to the serial port of the Libra unit using a special cab...

Страница 28: ...nit is configured as DCE so if the PDA is configured as DCE most typical then a null modem cable is needed If the PDA is configured as DTE then a straight through cable is needed To access the main sy...

Страница 29: ...Echo typed characters locally No Line delay 0 Character delay 0 Append line feeds to incoming line ends No Force incoming data to 7 bit ASCII No Wrap lines that exceed terminal width Yes VT 100 Arrow...

Страница 30: ...to configure 4 Press Enter The login screen appears 5 Type the password supervisor The Main System Menu appears For more information about passwords see Setting Menu Passwords page 53 Setting VT100 Ar...

Страница 31: ...g the Main Menus June 2003 Rev 0 31 3 Click the VT100 Arrows checkbox 4 Click OK The VT100 arrows are enabled in the telnet session You can now use the keyboard arrow keys to navigate the configuratio...

Страница 32: ...ivity may show DISCONNECTED for a unit when it has just been installed and is not communicating with an Access Point The BootROM Replacement Status field is not normally displayed except in the very r...

Страница 33: ...it Configuration Communication Parameters RF Station Id 1 2048 2 Internet IP Address 192 168 1 100 Sector Id 0 31 1 Internet IP Mask 255 255 255 0 Synchronization Id 0 1 0 System Ethernet Access on Lo...

Страница 34: ...d 0 31 field and press Enter The entry field highlights 2 Type a unique number for the Sector ID and press Enter 3 Reboot the system to effect the changes unless there are more changes you would like...

Страница 35: ...nits transmit and receive on the same frequency They alternate in time to provide the duplexing capability The frequency of these channels depend on the model of equipment used The center frequency is...

Страница 36: ...of link independently with the two different access settings These settings do not affect the unit s ability to carry traffic To enable Ethernet access to the TCP IP 4 Move the cursor to the System Et...

Страница 37: ...onfiguration submenus with passwords The default passwords are user supervisor and pda A user has read only access and a supervisor can modify settings A new password is hidden by asterisks on the scr...

Страница 38: ...alues and shown in real time to allow the person setting up the unit to adjust it for the best performance signal strength and BER Note When the Libra 5800 is configured as a point to point unit the D...

Страница 39: ...his selection To set the RF station ID 1 Select RF Station Id 1 2048 and press Enter The entry field highlights 2 Type a unique number for the RF Station ID and press Enter Zero is not a valid Station...

Страница 40: ...synch Every Libra in the sector must have the same Synchronization ID as the AP of that sector To set the Synchronization ID 1 Move the cursor to the Synchronization Id 0 1 field and press Enter The...

Страница 41: ...assigned to this unit in kHz and press enter to effect the changes The unit does not require rebooting for this change to become effective Communication Parameters Setting the IP Address An IP addres...

Страница 42: ...MAC addresses that are automatically discovered by the unit when Local Network MAC filtering is on This filtering enables data to be handled more efficiently and saves radio bandwidth for traffic tha...

Страница 43: ...ght BER and Fade Margin Note When the Libra 5800 is configured as a point to point unit the Dest Radio Id field is not selectable OFDM Channel Statistics RSSI dBm Received Signal Strength Indicator in...

Страница 44: ...Configuration 44 Libra 5800 Series User Guide...

Страница 45: ...ed to the operation of the unit At the bottom of the menu the Libra RF Board Model name and Bandwidth are displayed These are associated with the type of RF Board plugged into the unit AP Main System...

Страница 46: ...tarting with CPLD revision 0xB4 DSP Revision Static Integer Revision number of the DSP image running on the unit RS Version Static Integer Version of Reed Solomon FPGA running on the unit FE Version S...

Страница 47: ...the master system image running on the unit The message No Flash Images Found is displayed if no system images are found in flash Software Rev Static Text Revision number of the master system image ru...

Страница 48: ...inistrative information such as the time a unit has been running and login statistics This information enables you to view the current state of the system and if you are troubleshooting system problem...

Страница 49: ...that the unit has been turned off and on again Successful Logins Number of successful login attempts Unsuccessful Logins Number of failed login attempts Local User Logged In Identifies the user curre...

Страница 50: ...u can enable or disable the type of link independently with the two different access settings These settings do not affect the unit s ability to carry traffic just access to the unit s local managemen...

Страница 51: ...ecurity and press Enter The System Security menu appears 2 Select System Wireless Access The field highlights 3 Select the desired setting with the up and down arrow keys 4 Press Enter The change has...

Страница 52: ...unit on the network as long as the unit has the correct community names and Ethernet access is enabled see Setting Ethernet and wireless access to the TCP IP Stack page 50 To set the public community...

Страница 53: ...as been made Setting Menu Passwords You can control access to configuration submenus with passwords The default passwords are user and supervisor A user has read only access and a supervisor can modif...

Страница 54: ...n System Menu select System Security and press Enter The System Security menu appears 2 Select Change User Password and press Enter The entry field changes to the edit mode meaning the field is highli...

Страница 55: ...ss Enter The data field highlights 5 Retype the new password to confirm it and press Enter The password change is complete when appears beside the confirmation field Note If you retype the new passwor...

Страница 56: ...change the supervisor password 1 From the Main System Menu select System Security and press Enter The System Security menu appears 2 Select Change Supervisor Password and press Enter The data field hi...

Страница 57: ...firm Supervisor Password and press Enter 5 Retype the new password and press Enter The change is saved when appears beside the confirmation field If you retype the new password incorrectly appears and...

Страница 58: ...assword 1 From the Main System Menu select System Security and press Enter The System Security menu appears 2 Select Change PDA Password and press Enter The data field highlights 3 Type the new passwo...

Страница 59: ...ecurity feature ensures that the configuration menus close when a user forgets to exit You can enter any value from zero minutes meaning the system never times out to 9 999 minutes six days 22 hours 3...

Страница 60: ...System Image The default master image is the file used at power up If you have more than one image saved on a unit you can change the default image This default image is displayed in the System Revis...

Страница 61: ...enu select System Commands and press Enter The System Commands menu appears 2 Select Reboot a System Image The field highlights 3 Use the up and down arrows to select the image you want to use and pre...

Страница 62: ...ress Enter The configuration settings change back to what they were the last time the unit powered up Important When you restore factory configurations many settings revert automatically to their defa...

Страница 63: ...System Menu select System Commands and press Enter The System Commands menu appears 2 Select Reset MAC Layer Statistics and press Enter appears indicating that values in the MAC Layer Statistics Menu...

Страница 64: ...ll require the IP address of your Libra unit for this procedure Your system administrator should be able to provide it To set the Internet IP address 1 From the Main System Menu select Network Configu...

Страница 65: ...VLAN Tagging option Under this option ethernet packets received from the wired ethernet interface will be tagged with the VLAN ID and user priority before being transmitted out to the RF interface upl...

Страница 66: ...AP and its ethernet network Note All packets with CFI 1 Canonical Format Inidicator in the 802 1Q VLAN tag control information field will be discarded To set VLAN Tagging Note VLAN Tagging can only b...

Страница 67: ...g ID 1 From the Main System Menu select Network Configuration and press Enter The Network Configuration menu appears 2 Select VLAN Id and press Enter The entry field highlights 3 Type the VLAN ID valu...

Страница 68: ...Local Network MAC Filtering also known as LAN CAM Local Area Network Content Addressable Memory filtering enables you to filter MAC addresses so that data traffic is handled more efficiently A LNMF f...

Страница 69: ...ing 1 From the Main System Menu select Network Configuration and press Enter The Network Configuration menu appears 2 Select Local Network Mac Filter and press Enter The entry field highlights 3 Type...

Страница 70: ...Radio Configuration and press Enter The Radio Configuration menu appears 2 Select RF Station Id 1 2048 and press Enter The entry field highlights 3 Type a unique number for the RF Station ID and press...

Страница 71: ...uration menu appears 2 Select Sector Id 0 31 and press Enter The entry field highlights 3 Type a unique number for the Sector ID and press Enter Zero is not a valid Sector ID 4 Reboot the system to ef...

Страница 72: ...ss Enter The Radio Configuration menu appears 2 Select Synchronization Id 0 1 and press Enter The entry field highlights 3 Type a 0 or 1 to select the Synchronization ID and press Enter Factory defaul...

Страница 73: ...he entry field is highlighted 2 Enter the frequency value assigned to this unit in kHz and press enter to effect the changes The unit does not require rebooting for this change to become effective Rad...

Страница 74: ...ation and press Enter The Radio Configuration menu appears 2 Select Set Tx Power and press Enter The field highlights 3 Type in the signal strength The new signal strength is applied Radio Configurati...

Страница 75: ...nfiguration menu appears 2 Select Modulation Type and press Enter The field highlights 3 Use the up down arrows to select the desired modulation type from the pull down list and press enter again This...

Страница 76: ...to zero hence removing the entry from the polling list all values following this entry will be moved one entry toward the beginning of the table Field Name Type Comments Maximum Remote Distance Km St...

Страница 77: ...Id field in the Radio Configuration Menu see page 28 A given ID may be listed more than once in which case that unit is polled more than once in a single polling cycle A value of zero an invalid RF St...

Страница 78: ...55 255 255 255 for the Subnet Mask would be entered The Maximum Burst Rate MBR option provides a means of limiting the maximum data rate on individual CPE s Use of this feature allows efficient manage...

Страница 79: ...or bound for addresses not defined in the filters will be dropped by the CPE This provides privacy in two directions by allowing only authorized users to send or receive Only remote units can have IP...

Страница 80: ...revious section to enable IP Filtering Option by setting it to Filter 2 Select On in the filter row you are defining and press Enter The entry field highlights 3 Use the arrow keys to select the desir...

Страница 81: ...f the Host Net Mask and press Enter 8 Repeat steps to create additional IP filters Setting the MBR Filtering Option You can set the IP Filtering Option to IP Filtering with MBR to enforce a maximum al...

Страница 82: ...er to select the option 5 Select the Uplink Kbits s 0 2500 option to set the MBR from the CPE to the AP 6 Type in the MBR allowed for that CPE Note entering zero in that field means that maximum burst...

Страница 83: ...ne 2003 Rev 0 83 7 Select the Downlink Kbits s 0 2500 option to set the MBR from the AP to the CPE 8 Type in the MBR allowed for that CPE Note entering zero in that field means that maximum burst rate...

Страница 84: ...are not automatically updated when viewed via telnet To view the MAC layer statistics 1 From the Main System Menu select MAC Layer Statistics and press Enter The MAC Layer Statistics screen appears Th...

Страница 85: ...tween the lowest signal sub carrier and the highest signal sub carrier This value is an indication of the level of multi path signals present in the link Fade Margin dB Signal to noise ratio of the si...

Страница 86: ...e Reed Solomon encoder Ethernet Frames From Local Number of Ethernet frames sent to the Reed Solomon encoder that originated from the unit s local stack OFDM Unpacking Statistics OFDM Unpacking Statis...

Страница 87: ...out of the command line interface or terminates a remote telnet session wilan logout peek Displays the contents of a block of memory wilan peek 9000 rebootnewest Reboot the latest master image downloa...

Страница 88: ...wilan show exception Displays post mortem exception information wilan show images Displays the system images files stored in the flash file system wilan show memory Displays the system memory map wil...

Страница 89: ...Preparation support For more information on services and fees contact your Sales Representative or visit http www wi lan com Network planning should include visits to proposed sites to verify the fea...

Страница 90: ...mer site plan or make a site plan This document should describe where to place the Libra unit what kind of equipment to use and the required configuration settings of the unit 2 Cables should always b...

Страница 91: ...Wall Mount Clamp 1x Clamp 1x Arm 4x Washer Flat M5 4x Washer Spring M5 4x Nut M5 4x Screw Hex Cap M5x0 8 16mm 6 x Washer Flat M8 4x Washer Spring M8 2x Nut M8 4x Screw Hex Cap M8x40 for 1 3 4 dia pole...

Страница 92: ...he Libra CAT 5 Power connector should first be plugged into the unit at the DIN connector and into the TO RADIO jack of the power inserter Next the power supply cord should be plugged into the AC outl...

Страница 93: ...tilt functionality while the mounting clamp is firmly fixed to the pole or wall See Hardware page 20 for detailed diagrams of the mounting hardware 2 Connect the four pointed star bracket to the unit...

Страница 94: ...ute or two See Appendix D Linktest and Link Statistics page 119 to verify RF link performance From the MAC Layer statistics screen see MAC Layer Statistics page 84 The Late Poll Response number should...

Страница 95: ...the following 1 Secure all the cables and weatherproof outside cable connection points 2 Clean up all boxes cables and other materials 3 Record installation information as required by the service prov...

Страница 96: ...Field Installation 96 Libra 5800 Series User Guide...

Страница 97: ...en cause other problems Current records can be compared with original installation records and function as benchmarks to help in troubleshooting Keep a log of past and present problems and solutions S...

Страница 98: ...erformance The addition of units or other changes to your system may require you to change configuration settings 5 Embedded Software Operate with a proven software image Download new software if you...

Страница 99: ...obstacles to LOS Power supply problems Try a different AC circuit Measure the power at the AC outlet Measure the output from the power supply unit Replace Power Supply High packet loss Signal strengt...

Страница 100: ...k performance Distance Check the maximum remote distance configuration setting Excessive Bit errors and processing errors Multipath interference Align or relocate antennas or radio Signal absorption C...

Страница 101: ...onfiguration menu Invalid passwords Contact Wi LAN for information about how to re enter your system Units will need to be reset Unit will not operate Faulty unit Bench test unit Corrupt unit software...

Страница 102: ...Troubleshooting 102 Libra 5800 Series User Guide...

Страница 103: ...ew software image for a Libra unit Before you can download a new software image you need the following items A copy of the software image file A PC connected to the unit via the network Basic network...

Страница 104: ...nnects to the AP Note ftp must be installed on your PC 8 Type ofdm and press the Enter key The password prompt appears 9 Type supervisor for the password and press Enter Supervisor access is required...

Страница 105: ...les can be used to reboot the current image running on the unit or to reboot the newest image downloaded to the unit Files can be created called reboot_current and reboot_newest with no file extension...

Страница 106: ...Appendix A Upgrading Software 106 Libra 5800 Series User Guide...

Страница 107: ...community names to determine access privileges see Assigning Community Names page 52 SNMP management software is installed on a networked PC or workstation and enables a network administrator to remot...

Страница 108: ...i LAN MIB node number or branch of numbers All nodes containing statistical information are cleared on powerup and reset Values in all writeable nodes are stored in Flash memory and are retained until...

Страница 109: ...1 2686 1 1 8 Table Read only N A lancamFilterNumber 1 3 6 1 4 1 2686 1 1 8 1 1 1 to 1 3 6 1 4 1 2686 1 1 8 1 1 8 INTEGER 1 8 Read only Software LANCAM table row number lancamFilterMACAd dr 1 3 6 1 4...

Страница 110: ...2686 1 1 12 1 2 64 INTEGER 1 64 Read only N A Receive frequency values obtained from ODU rxCenterFreqValue 1 3 6 1 4 1 2686 1 1 12 1 2 1 to 1 3 6 1 4 1 2686 1 1 12 1 2 64 NTEGER 1 64 Read only N A Rec...

Страница 111: ...enterFreqValue ifibTxPower 1 3 6 1 4 1 2686 1 1 16 INTEGER 0x00 0x1 F Read Writ Set IFIB Tx Power sectorID 1 3 6 1 4 1 2686 1 1 30 INTEGER 0 31 Read Write Sector ID synchID 1 3 6 1 4 1 2686 1 1 33 INT...

Страница 112: ...Size 0 31 Read Write SNMP Public Community Name privateName 1 3 6 1 4 1 2686 1 1 21 DisplayStr ing Size 0 31 Read Write SNMP Private Community Name Node Label Object ID Type Access Description ipFilte...

Страница 113: ...Hours 1 3 6 1 4 1 2686 1 3 5 Counter Read only Current Run Time Hours powerCycles 1 3 6 1 4 1 2686 1 3 6 Counter Read only Power Cycles thermalFails 1 3 6 1 4 1 2686 1 3 7 Counter Read only N A loginO...

Страница 114: ...ter Read only Total Frames Transmitted stackTxEther 1 3 6 1 4 1 2686 1 4 6 Counter Read only Frames From Local Host etherTxDroppe d 1 3 6 1 4 1 2686 1 4 7 Counter Read only Frames Dropped decSFrames 1...

Страница 115: ...nly Late Poll Responses currentRssi 1 3 6 1 4 1 2686 1 4 22 INTEGER Read only RSSI dBm nullDepth 1 3 6 1 4 1 2686 1 4 23 INTEGER Read only Null Depth dB fadeMargin 1 3 6 1 4 1 2686 1 4 24 INTEGER Read...

Страница 116: ...Appendix B SNMP MIB 116 Libra 5800 Series User Guide...

Страница 117: ...point to point link or a single link in a P MP network AP for P MP or Base for P P Information Configuration Information Site Information IP Address Sector ID Subnet Mask Synch ID Station Type Base S...

Страница 118: ...and Cable Requirements IP Address Sector ID Subnet Mask Synch ID Station Type Remote Rx Center Frequency RF Station ID P MP only LOS Availablility Distance to Base Station Fresnel Clearance Required m...

Страница 119: ...other Only while running Linktest an AP can function as a remote unit The unit running Linktest is called the local It generates pseudo random packets of data and transmits them to the unit at the oth...

Страница 120: ...ewing and setting station IDs Note Linktest will produce invalid results if run at the same time from both ends of the same link To run Linktest 1 Connect a PC Laptop or PDA with terminal emulation so...

Страница 121: ...and acc is set to 7 then the symbol will change every 7 810 frames pps Transmission speed in packets per second The default is 60 packets per second A low pps value means the Linktest decreases the p...

Страница 122: ...forward error correction 1E 6 is the default setting The tester can configure this value The ideal result is zero using the default setting FEC Corrected Byte errors that were corrected by forward err...

Страница 123: ...tem or two P P units RD s or ER s in a controlled environment such as a lab Detailed information about configuring Libra units can be found in Configuration page 27 Field installation procedures are d...

Страница 124: ...16mm 6 x Washer Flat M8 4x Washer Spring M8 2x Nut M8 4x Screw Hex Cap M8x40 for 1 3 4 dia pole 3 16 nut driver Cables CAT 5 Power cables with RJ 45 connector not supplied with units PC or PDA with a...

Страница 125: ...0 125 4x Screw Hex Cap M8x70 for greater than 1 3 4 dia pole 1x Weather Proof Kit 1x O Ring 1x Insert 1x Coupling Nut 1x Shell 1x RJ 45 Connector Note For ER LCPE and AP you will also need an externa...

Страница 126: ...ails of the assembly of the Libra units are provided in the Description chapter see Description page 13 and in the Field Installation chapter see Field Installation page 89 Libra test network set up C...

Страница 127: ...e serial port of the Libra using a straight through for PC RS 232 cable RS 232 Connection Configuring a P MP System Configuring an AP When you configure an AP you will need to perform the following ta...

Страница 128: ...r ID to be the same as the Base Station Set the Synch ID Choose the Tx Power Note In a lab environment the units are physically closely located In order to avoid saturating the receivers make sure tha...

Страница 129: ...ompt appears 4 From the wilan prompt type the following command linktest station Id of the unit to test to acc pps where 5 Press Enter If the RF link has been configured properly the Linktest results...

Страница 130: ...see Appendix C Simple Link Planning Worksheet page 117 for calculation of Fade Margin BER 1E6 Bit error rate before forward error correction 1E 6 is the default The tester can configure this The idea...

Страница 131: ...CPEs present in the polling list that are not running as part of this test Do this by setting their Radio Station IDs to 0 in the remote Station Configuration screen Not needed for P P Access the Net...

Страница 132: ...gure should be above the receiver sensitivity for the modulation type being tested The corrected superframe and byte figures should be low ranging from zero to three The uncorrected superframes should...

Страница 133: ...it in a Simple Network Management Protocol SNMP context An agent accepts configuration commands from the manager and collects network and terminal information specified in the Management Information B...

Страница 134: ...routes traffic to them The base usually connects to a major access point of main network beamwidth The beamwidth of an antenna describes how a signal spreads out from the antenna as well as the range...

Страница 135: ...and CPE IDUs The Private Community name grants write access configuration menus The menus in the user interface on the Access Points that allows the operator to view and configure their parameters Cro...

Страница 136: ...ins are often measured in relation to a standard dipole downtilt Some antennas have a downtilt or an uptilt The tilt further focuses the signal either downward or upward with respect to the horizon A...

Страница 137: ...as It consists of one of a theoretically infinite number of a concentric ellipsoids of revolution that define volumes in the radiation pattern of a usually circular aperture The cross section of the f...

Страница 138: ...or settings for a particular device The System Image File in the Access Point contains a collection of configurations used when the unit is rebooted interference Any signal that tends to hamper the r...

Страница 139: ...address Alphanumeric characters that uniquely identify a network connected device Management Information Base See MIB Management Port The DB 9 port on the IDU to which a PC may be attached manager Thi...

Страница 140: ...st OFDM carrier and the weakest carrier in multipath interference A null depth of zero indicates that there is no multipath reception O Obstructed Line of Sight OLOS Urban OLOS is a partially blocked...

Страница 141: ...tation returns the signal If the signal comes back on time and intact the link works See ftp polarization The orientation of the radiating element of an antenna with respect to Earth The polarization...

Страница 142: ...ss Systems sometimes use two center frequencies The AP transmits on one and the CPEs transmit on another RF Station ID This is a configurable number from one to 2 048 that identifies an AP or CPE to t...

Страница 143: ...ds That is pin one connects to pin one pin two to pin two and so on Straight through cables are used to connect an IDU to a PC system gain The maximum path loss that the system can support and produce...

Страница 144: ...allation and operation W OFDM Wideband Orthogonal Frequency Division Multiplexing A variation on the OFDM modulation scheme that allows greater range with less power higher data rates less distortion...

Страница 145: ...ine ends field 29 ARP defined 133 attenuation defined 134 Average Throughput field 86 B Base Station modulation type 70 base stations defined 134 basic command line 86 beamwidth defined 134 bench test...

Страница 146: ...orrected Bytes field 85 CP Equipment 16 CPE 16 CPLD Revision 46 crc 87 Cumulative Run Time field 49 Current field 48 current image rebooting 60 Current Run Time field 49 Customer support contacts 10 D...

Страница 147: ...t 122 130 field 82 File Name field 48 Filter number field 80 Filter with MBR 82 Filter with MBR field 79 filtering IP 78 LANCAM 68 MBR 81 Flash memory 60 Force incoming data to 7 bit ASCII field 29 Fo...

Страница 148: ...67 68 69 Large Pipe Diameter Mounting Configuration 22 Late Poll Responses field 86 LBER field 85 LCP Equipment 16 LCPE 16 LCPE RF Connector 21 LFEC BER field 85 Libra 5800 Connection Panel 20 Libra 5...

Страница 149: ...37 42 64 66 67 68 69 network plan 126 testing 95 Network Configuration menu 64 65 66 67 68 69 network integrity troubleshooting 98 network plan template 117 nodes OID 108 noise pseudo random 141 non v...

Страница 150: ...em image files 60 61 Receive Errors field 84 Received signal Strength Indicator defined 142 records keeping records of system changes 97 remote access setting 50 Remote IP filter configuring 80 remote...

Страница 151: ...ing 98 Software Date 47 Software LANCAM Filtering setting 68 Software LANCAM Filtering field 36 42 66 67 68 69 Software Revision 47 Software Version 3 1 1 spread spectrum defined 143 SS defined 143 st...

Страница 152: ...ting 100 common problems 98 main areas 98 network integrity 98 RF links 98 Tx power setting 35 41 74 U Uncorrectable Superframes field 85 unit failure troubleshooting 101 Unsuccessful Logins field 49...

Страница 153: ...ics Local User Logged In Ethernet User Data Received View only Telnet User Logged In Ethernet User Data Transmitted FTP User Logged In Setup Quick Setup Menu RF Board Attached RF Statistics for Wi LAN...

Страница 154: ...Menu Map 154 Libra 5800 Series User Guide...

Страница 155: ...interested in your comments Please contact us by email at docfeedback wi lan com if you have any comments about this user guide Product Code 5720 3005 00 June 2003 Rev 0 Libra 5800 Series User Guide 5...

Страница 156: ...156 Libra 5800 Series User Guide...

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