CalAmp GUARDIAN - Table of Contents

TABLE OF CONTENTS
1 Guardian Overview ......................................................................................................................... 1
1.1 General Description ............................................................................................................................................... 1
1.2 Operational Characteristics .................................................................................................................................... 1
1.3 Link Configurations ................................................................................................................................................ 2
1.4 Physical Description ............................................................................................................................................... 3
1.4.1 Front Panel .................................................................................................................................................... 3
1.4.2 LED Panel ...................................................................................................................................................... 3
1.4.3 User Interface Port ....................................................................................................................................... 4
1.4.4 Setup and COM Ports.................................................................................................................................... 5
1.4.5 Power Connector .......................................................................................................................................... 6
1.4.6 Antenna Connector ....................................................................................................................................... 6
1.4.7 Chassis Dimensions ....................................................................................................................................... 7
1.5 Part Numbers and Availability ............................................................................................................................... 7
1.5.1 Guardian Radio ............................................................................................................................................. 7
1.5.2 Accessories and Options ............................................................................................................................... 8
2 System Architecture and Network Planning ................................................................................... 9
2.1 Single Coverage Area ............................................................................................................................................. 9
2.2 Network Architecture ............................................................................................................................................ 9
2.2.1 Point-To-Point ............................................................................................................................................... 9
2.2.2 Point-To-Multipoint .................................................................................................................................... 10
2.2.3 Multiple Point-To-Point .............................................................................................................................. 10
2.2.4 Peer-To-Peer ............................................................................................................................................... 10
2.2.5 Store And Forward ...................................................................................................................................... 10
2.2.6 Network Using a Guardian for Online Diagnostics ..................................................................................... 11
2.3 Understanding RF Path Requirements ................................................................................................................. 11
2.4 Site Selection and Site Survey .............................................................................................................................. 11
2.4.1 Site Selection .............................................................................................................................................. 11
2.4.2 Site Survey .................................................................................................................................................. 12
2.5 Selecting Antenna and Lightning Arrestor Combinations .................................................................................... 12
2.5.1 Lightning Arrestor Overview ....................................................................................................................... 12
2.5.2 Antenna Overview ...................................................................................................................................... 12
2.5.3 The Wrong Combination ............................................................................................................................. 12
2.5.4 Good Design Practices ................................................................................................................................ 14
2.6 Selecting Antenna and Feedline ........................................................................................................................... 14
2.6.1 Antenna Gain .............................................................................................................................................. 14
2.6.2 Omni-Directional Antenna .......................................................................................................................... 15
2.6.3 Yagi Antenna ............................................................................................................................................... 15
2.6.4 Vertical Dipoles ........................................................................................................................................... 15
2.6.5 Feedline ...................................................................................................................................................... 15
2.6.6 RF Exposure Compliance Requirements ..................................................................................................... 16
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3 | Page iii