User's Manual

SIM840W EVB User Guide
SIM840W-EVB_UGD_V1.00 3 2011-06-22
Contents
Contents ............................................................................................................................................3
Version History .................................................................................................................................4
1. SIM840W EVB.............................................................................................................................6
2. EVB accessory..............................................................................................................................8
3. Accessory Interface.......................................................................................................................9
3.1 Power Interface ...................................................................................................................9
3.2 Audio Interface..................................................................................................................10
3.3 SIM card interface.............................................................................................................11
3.4 Antenna Interface ..............................................................................................................12
3.5 RS232 Interface.................................................................................................................13
3.6 Operating Status LED .......................................................................................................14
4. Test Interface...............................................................................................................................15
4.1 J103...................................................................................................................................15
4.2 J201...................................................................................................................................16
4.3 J104...................................................................................................................................17
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
Figure Index
Figure 1: EVB TOP view..................................................................................................................6
Figure 2: EVB BOTTOM view.........................................................................................................7
Figure 3: EVB accessory...................................................................................................................8
Figure 4: Power Interface..................................................................................................................9
Figure 5: Audio Interface................................................................................................................10
Figure 6: SIM card interface ...........................................................................................................11
Figure 7: Antenna Interface.............................................................................................................12
Figure 8: Serial Ports.......................................................................................................................13
Figure 9: StatusLED........................................................................................................................14
Figure 10: Test interface overview..................................................................................................15
Figure 11: J103 Interface.................................................................................................................15
Figure 12: J201 Interface ................................................................................................................16
Figure 13: J104 Interface ................................................................................................................17
Figure 14: EVB and accessory equipment......................................................................................19