User's Manual
TABLE OF CONTENTS
1
1
GUARDIAN OVERVIEW ........................................................................................................................................... 9
1.1 General Description ............................................................................................................................................ 9
1.2 Operational Characteristics ............................................................................................................................... 9
1.3 Physical Description ......................................................................................................................................... 10
1.3.1 Front Panel .................................................................................................................................................. 10
1.3.2 LED Panel ................................................................................................................................................... 11
1.3.3 User Interface Port ...................................................................................................................................... 11
1.3.4 SETUP and COM Ports .............................................................................................................................. 11
1.3.5 Power Connector ........................................................................................................................................ 12
1.3.6 Antenna Connector ..................................................................................................................................... 13
1.3.7 Chassis Dimensions .................................................................................................................................... 13
1.4 Part Numbers and Availability ........................................................................................................................ 14
1.4.1 Guardian Radio ........................................................................................................................................... 14
1.4.2 Accessories and Options ............................................................................................................................. 14
1.5 Product Warranty ............................................................................................................................................ 15
1.6 RMA Request .................................................................................................................................................... 16
1.7 Documentation and Downloads ....................................................................................................................... 16
2 SYSTEM ARCHITECTURE AND NETWORK PLANNING ................................................................................. 17
2.1 Single Coverage Area ....................................................................................................................................... 17
2.2 Network Architecture ....................................................................................................................................... 17
2.2.1 Point-to-Point .............................................................................................................................................. 17
2.2.2 Point-to-Multipoint ..................................................................................................................................... 18
2.2.3 Multiple Point-to-Point ............................................................................................................................... 18
2.2.4 Peer-to-Peer ................................................................................................................................................ 18
2.2.5 Store and Forward ....................................................................................................................................... 18
2.2.6 Network Using a T-Base ............................................................................................................................. 19
2.2.7 Network Using a T-Base Repeater ............................................................................................................. 19
2.2.8 Network Using a Guardian for Online Diagnostics .................................................................................... 19
2.3 Extending the Coverage Area with a Relay Point .......................................................................................... 20
2.3.1 Understanding RF Path Requirements ........................................................................................................ 20
2.4 Site Selection and Site Survey .......................................................................................................................... 21
2.4.1 Site Selection .............................................................................................................................................. 21
2.4.2 Site Survey .................................................................................................................................................. 21
2.5 Selecting Antenna and Feedline ....................................................................................................................... 21
2.5.1 Antenna Gain .............................................................................................................................................. 21
2.5.2 Omni Directional Antenna .......................................................................................................................... 22
2.5.3 Yagi Antenna .............................................................................................................................................. 22