OGi Modem - Hardware Guide
© ORBCOMM Proprietary iii T401, Version .15
TABLE OF CONTENTS
Legal Notice .................................................................................................................................... ii
Contact Information ...................................................................................................................... ii
List of Figures ................................................................................................................................ v
List of Tables .................................................................................................................................. v
Preface ........................................................................................................................................... vi
Purpose ........................................................................................................................................ vi
Errata Sheet .................................................................................................................................. vi
Audience ...................................................................................................................................... vi
Notation ....................................................................................................................................... vi
Reference ..................................................................................................................................... vi
Safety Disclaimer ......................................................................................................................... vi
Environmental Protection ........................................................................................................... vii
Safety Precautions....................................................................................................................... vii
Limited Liability ......................................................................................................................... vii
Certification ................................................................................................................................ vii
Warranty .................................................................................................................................... viii
1 Overview .............................................................................................................................. 9
1.1 Overview of the Messaging System ................................................................................... 9
1.2 OGi Modem ...................................................................................................................... 10
1.2.1 Remote Antennas ........................................................................................................ 10
1.2.2 Unpackaged Antennas ................................................................................................. 11
1.3 Key Features and Benefits ................................................................................................ 12
1.4 Operating Modes .............................................................................................................. 12
1.4.1 Satellite Modem .......................................................................................................... 12
1.4.2 GNSS Receiver ........................................................................................................... 12
2 Compliance ........................................................................................................................ 13
3 Specifications ..................................................................................................................... 14
3.1 Connector ......................................................................................................................... 14
3.1.1 Pin Designations.......................................................................................................... 14
3.1.2 Pin Descriptions .......................................................................................................... 14
3.2 RF Connector ................................................................................................................... 15
3.3 RF Connection Specifications .......................................................................................... 16
3.4 Power ................................................................................................................................ 16
3.4.1 Average Power Consumption ..................................................................................... 16
3.4.2 Inrush Current ............................................................................................................. 16
3.5 Serial Interface ................................................................................................................. 17
3.5.1 Master Reset ................................................................................................................ 17
3.6 Frequency ......................................................................................................................... 17
3.7 Antenna Specifications ..................................................................................................... 17
3.7.1 Standard Antenna ........................................................................................................ 18
3.7.2 Low Elevation Antenna ............................................................................................... 18
3.8 Multi-GNSS ..................................................................................................................... 18
3.8.1 1PPS Signal ................................................................................................................. 18
3.9 Mechanical Properties ...................................................................................................... 18
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