Iridium Communications, Inc. Information Contained in this Guide
Iridium 9523 Product Developers’ Guide is Subject to Change Without Notice
Revision 2.6
Iridium Communications, Inc. Distribution of Guide Restricted
Proprietary & Confidential Information Page 4 of 115 to Product Developers
Only
Contents
Revision History .......................................................................................................................................... 3
C on te nt s ..................................................................................................................................................... 4
List of Abbreviations .................................................................................................................................. 8
1 Product Overview ............................................................................................................................... 9
1.1 Key Features .......................................................................................................................... 9
1.2 Iridium 9523 Packaging and Regulatory Certification ............................................................ 9
1.3 FCC Warning Statement ...................................................................................................... 10
1.4 Industry Canada Warning Statement ................................................................................... 10
1.4.1 English ................................................................................................................................. 10
1.4.2 French .................................................................................................................................. 10
1.5 Software Revision ................................................................................................................ 11
1.6 Reference ............................................................................................................................. 11
2 Physical Specification ..................................................................................................................... 13
2.1 Dimensions and Layout ....................................................................................................... 14
2.2 Field Application Board Mounting ........................................................................................ 15
2.3 Environmental ...................................................................................................................... 18
2.3.1 Environmental Specification ................................................................................................. 18
2.3.2 Environmental Tests Performed .......................................................................................... 18
3 Electrical Interfaces ......................................................................................................................... 19
3.1 User Connector .................................................................................................................... 19
3.1.1 User Connector Type ........................................................................................................... 19
3.1.2 User Connector Pin Allocation ............................................................................................. 20
3.2 DC Power Supply Interface .................................................................................................. 22
3.2.1 Battery Power Input, VBAT .................................................................................................. 22
3.2.2 Boost Power Input, VBOOST ............................................................................................... 22
3.2.3 Power On/Off Control, TRX_ON .......................................................................................... 22
3.2.4 Typical Power Usage Profile ................................................................................................ 22
3.3 PCM Digital Audio ................................................................................................................ 24
3.3.1 Port 1 .................................................................................................................................... 25
3.3.2 Port 2 .................................................................................................................................... 25
3.3.3 11Hz Signal for Manufacturing and Regulatory Testing ...................................................... 25
3.4 DPL port ............................................................................................................................... 26
3.5 Data/Fax port ....................................................................................................................... 26
3.5.1 9-Wire and 3-Wire Operation ............................................................................................... 26
3.5.2 Configuration Settings .......................................................................................................... 27
3.5.3 Modes of Operation ............................................................................................................. 28
3.5.4 Serial port signal levels ........................................................................................................ 28
3.6 SIM interface ........................................................................................................................ 28
3.7 GPIO Signals ....................................................................................................................... 28
3.7.1 Transmit power Control ........................................................................................................ 29
3.7.2 External GPS Receiver Switch ............................................................................................ 29
3.7.3 Modem/Handset Mode Select Signal................................................................................... 29
4 RF Interface ....................................................................................................................................... 30
4.1 RF Connector Type .............................................................................................................. 30
4.1.1 Antenna Characteristics ....................................................................................................... 30
4.2 RF Interface Specifications .................................................................................................. 30
4.3 Radio Characteristics ........................................................................................................... 31
4.4 S-meter Performance ........................................................................................................... 31
5 AT Interface ....................................................................................................................................... 32
5.1 Command Types .................................................................................................................. 32
5.2 Basic Commands ................................................................................................................. 32
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