TABLE OF CONTENTS
1
GUARDIAN OVERVIEW ........................................................................................................................................... 9
1.1
General Description ............................................................................................................................................ 9
1.2
Operational Characteristics ............................................................................................................................... 9
1.3
Physical Description ......................................................................................................................................... 10
1.3.1
Front PanelThe front panel has the following connections: ........................................................................ 10
1.3.1
The front panel has the following connections: .......................................................................................... 11
1.3.2
LED Panel ................................................................................................................................................... 11
1.3.3
User Interface Port ...................................................................................................................................... 11
1.3.4
SETUP and COM Ports .............................................................................................................................. 12
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 ............................................................................................................................. 18
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 .......................................................................................... 19
2.3.1
Understanding RF Path Requirements ........................................................................................................ 20
2.4
Site Selection and Site Survey .......................................................................................................................... 20
2.4.1
Site Selection .............................................................................................................................................. 20
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 .......................................................................................................................... 21
2.5.3
Yagi Antenna .............................................................................................................................................. 22
2.5.4
Vertical Dipoles .......................................................................................................................................... 22
2.5.5
Feedline ...................................................................................................................................................... 22
2.5.6
RF Exposure Compliance Requirements .................................................................................................... 22
2.6
Terrain and Signal Strength ............................................................................................................................ 23
2.7
Radio Interference ............................................................................................................................................ 24
3
Setup and Configuration ........................................................................................................................................... 25
3.1
Install the Antenna ........................................................................................................................................... 25
3.2
Measure and Connect Primary Power ............................................................................................................ 25
3.3
Connect Guardian to Programming PC ......................................................................................................... 25
