Table of Contents
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3.4 CONFIGURATION ............................................................................................................................................................. 14
3.4.1 Alternate Power Sources .......................................................................................................................................... 14
3.4.2 Communication Interfaces........................................................................................................................................ 17
3.4.3 Audio Interface ......................................................................................................................................................... 20
3.4.4 External Antenna ...................................................................................................................................................... 23
3.4.5 Ignition...................................................................................................................................................................... 24
3.4.6 Wakeup ..................................................................................................................................................................... 24
3.4.7 LEDs Logic and Control........................................................................................................................................... 24
3.4.8 SIM Card .................................................................................................................................................................. 24
3.4.9 Host........................................................................................................................................................................... 25
3.5 COMPONENTS AND SPECIFICATIONS ........................................................................................................................ 26
3.5.1 Connectors Description ............................................................................................................................................ 26
3.5.2 Switches and Jumpers............................................................................................................................................... 29
3.5.3 LED Indicators ......................................................................................................................................................... 31
3.5.4 MMI.......................................................................................................................................................................... 33
3.5.5 AC Adapter Detection Circuit .................................................................................................................................. 34
3.5.6 ADC Test Logic........................................................................................................................................................ 35
3.5.7 Electrical Specifications ........................................................................................................................................... 35
4.1 MECHANICAL REQUIREMENTS FOR MOUNTING THE G20 MODULE ................................................................. 37
5.1 CUSTOMER ASSISTANCE............................................................................................................................................... 39
5.1.1 Motorola Workflow .................................................................................................................................................. 40
5.1.2 Service Centers ......................................................................................................................................................... 40
5.1.3 Ordering Accessories................................................................................................................................................ 41
6.1 SCHEMATICS..................................................................................................................................................................... 43
6.2 DEVELOPER BOARD PLACEMENT............................................................................................................................... 53
6.3 DEVELOPER BOARD PARTS LIST................................................................................................................................. 55
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