User Manual
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