User's Guide

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disclosed without written approval from Iridium Satellite LLC.
IR3142-ICD-006 Issue 1 v2.1 Page 4 of 16
Table of Contents
Revision History .................................................................................................................. 3
Approvals ............................................................................................................................ 3
1 Introduction .................................................................................................................. 6
1.1 Intended Audience .................................................................................................... 6
1.2 Beta VAM ................................................................................................................. 6
1.3 Reference Documents .............................................................................................. 7
1.4 Abbreviations ............................................................................................................ 7
2 Digital Interface ............................................................................................................ 7
2.1 Digital Connector ...................................................................................................... 7
2.2 Pin Locations ............................................................................................................ 7
2.3 Pinout Descriptions ................................................................................................... 7
2.4 Digital Input/Outputs ................................................................................................. 7
2.5 Power Supply ........................................................................................................... 7
2.6 Power Consumption ................................................................................................. 8
2.7 Power On Control ..................................................................................................... 8
2.8 Power Off Control ..................................................................................................... 8
2.9 Phantom Powering ................................................................................................... 8
2.10 Serial Ports ............................................................................................................... 8
2.11 Digital Audio Interface............................................................................................... 8
2.12 SIM Interface ............................................................................................................ 8
2.13 Sleep Enabled Mode ................................................................................................ 8
2.14 Transmit Indicator ..................................................................................................... 8
2.15 Diagnostic Interface .................................................................................................. 8
3 RF Interface .................................................................................................................. 8
3.1 RF Connector Type .................................................................................................. 8
3.2 General RF Specifications ........................................................................................ 8
3.3 Conducted RF Outputs ............................................................................................. 8
3.4 Conductive RF Inputs ............................................................................................... 9
3.5 RF Cable Loss .......................................................................................................... 9
3.6 RF Cable Considerations .......................................................................................... 9
3.7 Antenna Specifications ............................................................................................. 9