TABLE OF CONTENTS
1
1
GUARDIAN OVERVIEW ....................................................................................................................................... 7
1.1
General Description ................................................................................................................................... 7
1.2
Operational Characteristics ........................................................................................................................ 7
1.3
Link Configurations .................................................................................................................................... 8
1.4
Physical Description ................................................................................................................................... 9
1.4.1
Front Panel .................................................................................................................................................... 9
1.4.2
LED Panel ...................................................................................................................................................... 9
1.4.3
User Interface Port ..................................................................................................................................... 10
1.4.4
SETUP and COM Ports ................................................................................................................................. 11
1.4.5
Power Connector ........................................................................................................................................ 11
1.4.6
Antenna Connector ..................................................................................................................................... 12
1.4.7
Chassis Dimensions ..................................................................................................................................... 13
1.5
Part Numbers and Availability .................................................................................................................. 13
1.5.1
Guardian Radio ........................................................................................................................................... 13
1.5.2
Accessories and Options ............................................................................................................................. 14
1.6
Product Warranty .................................................................................................................................... 15
1.7
RMA Request ........................................................................................................................................... 16
1.8
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 Guardian for Online Diagnostics ..................................................................................... 19
2.2.7
Understanding RF Path Requirements ........................................................................................................ 19
2.3
Site Selection and Site Survey ................................................................................................................... 19
2.3.1
Site Selection .............................................................................................................................................. 19
2.3.2
Site Survey .................................................................................................................................................. 20
2.4
Selecting Antenna and Feedline ................................................................................................................ 20
2.4.1
Antenna Gain .............................................................................................................................................. 20
2.4.2
Omni Directional Antenna .......................................................................................................................... 20
2.4.3
Yagi Antenna ............................................................................................................................................... 21