User's Manual

pulsAR radio Operator’s Manual
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4.5 I
NTERNET PROTOCOL (IP) MANAGEMENT COMMANDS..................................................................... 4-11
4.6 I
NSTALLATION AND LINK MONITORING COMMANDS ........................................................................ 4-13
4.7 FILE UTILITIES................................................................................................................................... 4-18
4.8 EVENT LOGGING COMMANDS ........................................................................................................... 4-20
4.9 M
ISCELLANEOUS COMMANDS ........................................................................................................... 4-21
5 NETWORK MANAGEMENT .................................................................................... 5-1
5.1 TELNET................................................................................................................................................ 5-1
5.1.1 General ....................................................................................................................................... 5-1
5.1.2 Starting a Telnet Session............................................................................................................. 5-1
5.1.3 Telnet Security ............................................................................................................................ 5-2
5.2 SNMP ................................................................................................................................................. 5-2
5.2.1 Command Line Interface Versus SNMP ..................................................................................... 5-2
5.2.2 What is SNMP?........................................................................................................................... 5-3
5.2.3 Security Considerations in SNMP .............................................................................................. 5-3
5.2.4 Examples of Network Management Systems............................................................................... 5-4
5.2.5 PulsAR radio Management Information Base (MIB).................................................................. 5-4
5.3 UDP C
OMMAND AND DATA INTERFACE ............................................................................................. 5-5
5.3.1 Purpose....................................................................................................................................... 5-5
5.3.2 UDP Command Packet formats.................................................................................................. 5-5
6 RF LINK DESIGN ........................................................................................................ 6-1
6.1 ANTENNA SELECTION.......................................................................................................................... 6-1
6.1.1 Antenna Types............................................................................................................................. 6-1
6.1.2 Directionality.............................................................................................................................. 6-1
6.1.3 Gain ............................................................................................................................................ 6-2
6.1.4 Polarization ................................................................................................................................ 6-2
6.1.5 Antenna Orientation ................................................................................................................... 6-3
6.2 RF P
ATH ANALYSIS ............................................................................................................................ 6-3
6.2.1 Line-of-Sight Requirements ........................................................................................................ 6-3
6.2.2 Earth curvature........................................................................................................................... 6-5
6.2.3 Fresnel Zone ............................................................................................................................... 6-5
6.2.4 Atmospheric Refraction .............................................................................................................. 6-6
6.2.5 Clearing Obstructions................................................................................................................. 6-6
6.3 RF L
INK BUDGET CALCULATIONS ...................................................................................................... 6-7
APPENDIX A – COMMAND SUMMARY ......................................................................... 1
APPENDIX B – SPECIFICATIONS .................................................................................... 1
APPENDIX C – CHANNEL FREQUENCIES .................................................................... 1
APPENDIX D – ETHERNET CONSOLE PROGRAM ..................................................... 1
APPENDIX E – CABLE DIAGRAMS ................................................................................. 1