Manuale UtenteSommarioContents3Important Information9Safety Considerations9Warning Symbols Used in this Book9Notices11Copyright Notice11Regulatory Notice11Other Notices12Warranty & Repair12Customer Support Contacts12Distributor Technical Support13Wi-LAN Product Information13Publication History13Description15Features15About Spread Spectrum15About AWE Units16Some System Applications17Making a Simple Wireless Bridge17Creating a Simple Wireless Network17Creating a Network with Cells19Using a Repeater Base20Building a WAN20AWE 120-24 Unit21AWE 120–24 Specifications23Installation25Overview25Shipping Package Contents26Tools and Equipment261 Obtain Network Plan272 Assemble Units273 Configure Units29Configuring a Base Station29Configuring a Remote Unit324 Bench Test Units34Establishing a Basic RF Link34Testing a Basic RF Link36Performing Simple Network Tests375 Install Units40Point-to-Multipoint Installation41Co-Location Installation416 Test Network41Adding to a Network41Preventative Maintenance and Monitoring42Configuration43Overview43Main Menu43Accessing the Main Menu44Accessing the Main Menu with HyperTerminal®44Accessing Units via telnet45Setting VT100 Arrows45Configuring with the Main Menu46Accessing Help46Unit Identification48Viewing Unit Identification48Assigning Unit Identification Information49Hardware/Software Revision50Viewing System Revision Information50System Software ROM Images51Viewing System Software ROM Images51System Current Status52Viewing System Current Status52Network Configuration53Viewing Internet IP Addresses and Subnet Mask53Setting the Internet IP Address54Setting the IP Subnet Mask54Setting the Default Gateway IP Address (future)55Setting the SNMP NMS Trap IP Address (future)55Setting the MAC Filter Entry Age Time Minutes55IP Filter Configuration56Viewing IP Filter Configuration56Enabling IP Packet Filtering59Enabling IP Address Filtering59Setting Default IP Address Filtering59Setting Up IP Address Filter60RF Station Configuration61Viewing Current RF Station Configuration61Setting the Operating Mode63General Equipment Setup for Performing RF Tests64Setting Test Mode Timer Minutes65Performing Link Monitor Test (Normal Mode)66Performing Transmit and Receive Tests69Performing the RSSI Test71Setting the RF Transmit Status72Setting the Link Monitor Period73Setting Maximum Remote Distance (Base Station Only)74Setting Link Monitor Remote Station Rank75Adjusting Throttling (Remote Station Only)76Setting Tx Power Automatically (Remote Station Only)77How Automatic Output Power Adjustment Works77Adjusting User Output Power Ceiling (Remote Station Only)80Setting Signal Margin (Remote Station Only)81Viewing Current Output Power Level Adjust82Radio Module Configuration83Viewing the Radio Module Configuration83Setting Config Test Minutes85Setting the Station Type86Setting the Station Rank87Setting the Center Frequency88Setting Security Passwords89Setting the Scrambling Code90Setting the Acquisition Code91Adjusting the Tx Power Level92Setting a Base to Repeater Mode (Base Station Only)93Setting System Symmetry Type (Base Station Only)95Setting Dynamic Polling Level (Base Station Only)96Setting Remote Unit RF Group97Rebooting and Saving RF Module Configurations100RF/Ethernet Statistics102Viewing RF/Ethernet Statistics102System Security105Viewing System Security105Assigning Community Names107Setting Menu Passwords108Allowing Remote Access and Configuration110Setting the Auto Logout Minutes111System Commands112Viewing System Command Menu112Setting Default System Image113Setting the Reboot System Image114Rebooting the Current Image114Restoring Factory Configurations115Resetting Radio and Ethernet Statistics116Link Monitor Display117Viewing Link Monitor Statistics117Logout118Logging Out118Setting Operating Mode with the Mode Button118Selecting RF Tests with the Mode Button119Command Line Interface120Troubleshooting121Administrative Best Practices121Troubleshooting Areas122Troubleshooting Chart123Appendix A: Planning Your Wireless Link127Planning the Physical Layout127Determine the Number of Remotes127Ensure LOS and Determine Coverage Area127Measure the Distance Between Units128Determine Shelter, Power and Environmental Requirements128Determining Antenna and Cable Requirements128Determining Unit Configuration Settings129Calculating a Link Budget129System Gain130EIRP (Effective Isotropically Radiated Power)130Antenna Gain131Propagation Loss131Fresnel Zone131Cable Loss132Path Loss132Fade Margin132Link Budget Example133Antenna Basics134Antenna Parameters134Implementation Considerations135Selecting Antennas136Wi-LAN’s Antenna Selection136Antenna Installation Factors138Minimal Clearance Above Obstructions139Installing Antennas139Fine-tuning Antennas140Co-locating Units140Appendix B: Using HyperTerminal141Starting HyperTerminal®141Determining the Communications Port142Appendix C: Configuring a Simple Data Network143Checking Network Adaptor Installation143Configuring the Network144Enabling the Sharing Feature on the Hard Disk Drive147Appendix D: SNMP149About SNMP MIB149Wi-LAN Object Identifier Nodes150Using SNMP150Using Object Identifier Nodes151Appendix E: Technical Reference Information163Front Panel LEDs163DC Power Plug Pinout164Appendix F: Menu Map165Appendix G: Upgrading Software167Obtaining New Software Images167Downloading Image Software167Activating New Software Images169Removing Old Software Images169Glossary171Index181Dimensioni: 1,96 MBPagine: 190Language: EnglishApri il manuale