Table Of Contents - SimCom SIM900B User Manual

SIM900B EVB kit User Guide
1 SIM900B EVB..........................................................................................................................8
2 EVB Accessory .......................................................................................................................10
3 Accessory Interface................................................................................................................. 11
3.1 Power Interface ........................................................................................................... 11
3.2 Audio Interface............................................................................................................ 11
3.3 SIM Card Interface......................................................................................................12
3.4 Antenna Interface ........................................................................................................13
3.5 Main Interface and Debug Interface............................................................................14
3.6 Operating Status LED .................................................................................................15
4 Test Interface...........................................................................................................................16
4.1 J1---RS232 ..................................................................................................................16
4.2 J2---KEY & CTRL......................................................................................................17
4.3 J3---LCD & I/O...........................................................................................................18
5 EVB and Accessory Equipment ..............................................................................................19
6 Illustration ...............................................................................................................................20
6.1 Running:......................................................................................................................20
6.2 Connecting Net and Calling ........................................................................................20
6.3 Downloading...............................................................................................................20
6.4 Turns off......................................................................................................................20
SIM900B_EVB kit_User Guide_V1.02
Contents
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2010-11-10