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SIM900-EVB_UGD_V1.01.pdf
Contents
1. SIM900 EVB
2. EVB accessory
3. Accessory Interface
3.1 Power Interface
3.2 Audio Interface
3.3 SIM card interface
3.4 Antenna Interface
3.5 RS232 Interface
3.6 Operating Status LED
4. Test Interface
4.1 J103
4.2 J201
4.3 J104
5. EVB and accessory equipment
6. Illustration:
6.1 Running:
6.2 Connecting Net and calling
6.3 Downloading
6.4 Turns off
Development Kit Manual
SIM900-EVB_UGD_V1.01
SIM900 EVB User Guide
Document Title:
SIM900 EVB User Guide
Version:
Date:
Status:
1.01
2009-12-8
Release
SIM3900-EVB_UGD_V1.01
Document Control ID:
General Notes
Simcom offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by Simcom. The information provided is
based upon requirements specifically provided to Simcom by the customers. Simcom has not
undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by Simcom within a larger electronic system remains the responsibility of
the customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of SIMCOM
Limited., copying of this document and giving it to others and the using or communication of
the contents thereof, are forbidden without express authority. Offenders are liable to the
payment of damages. All rights reserved in the event of grant of a patent or the registration of
a utility model or design. All specification supplied herein are subject to change without
notice at any time.
Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2009
SIM900-EVB_UGD_V1.01 2 08.12.2009
SIM900 EVB User Guide
Contents
Contents ............................................................................................................................................3
Version History .................................................................................................................................4
1. SIM900 EVB.................................................................................................................................5
2. EVB accessory ..............................................................................................................................7
3. Accessory Interface.......................................................................................................................8
3.1 Power Interface ...................................................................................................................8
3.2 Audio Interface....................................................................................................................9
3.3 SIM card interface.............................................................................................................10
3.4 Antenna Interface ..............................................................................................................11
3.5 RS232 Interface.................................................................................................................12
3.6 Operating Status LED .......................................................................................................13
4. Test Interface...............................................................................................................................14
4.1 J103...................................................................................................................................14
4.2 J201...................................................................................................................................15
4.3 J104...................................................................................................................................16
5. EVB and accessory equipment....................................................................................................18
6. Illustration:..................................................................................................................................19
6.1 Running:............................................................................................................................19
6.2 Connecting Net and calling...............................................................................................19
6.3 Downloading.....................................................................................................................19
6.4 Turns off............................................................................................................................19
Figure Index
FIGURE 1: EVB TOP VIEW ...................................................................................................................5
FIGURE 2: EVB BOTTOM VIEW..........................................................................................................6
FIGURE 3: EVB ACCESSORY...............................................................................................................7
FIGURE 4: POWER INTERFACE..........................................................................................................8
FIGURE 5: AUDIO INTERFACE ...........................................................................................................9
FIGURE 6: SIM CARD INTERFACE...................................................................................................10
FIGURE 7: ANTENNA INTERFACE ................................................................................................... 11
FIGURE 8: SERIAL PORTS..................................................................................................................12
FIGURE 9: STATUSLED ......................................................................................................................13
FIGURE 10: TEST INTERFACE OVERVIEW.....................................................................................14
FIGURE 11: J103 INTERFACE.............................................................................................................14
FIGURE 12: J201 INTERFACE ............................................................................................................15
FIGURE 13: J104 INTERFACE ............................................................................................................16
FIGURE 14: EVB AND ACCESSORY EQUIPMENT .........................................................................18
SIM900-EVB_UGD_V1.01 3 08.12.2009
SIM900 EVB User Guide
Version History
Data
2009-12-08
Version Description of change
1.01
Origin
Author
Lee
SCOPE
This document give the usage of SIM900 EVB, user can get useful info about the SIM900 EVB
quickly through this document.
This document is subject to change without notice at any time.
SIM900-EVB_UGD_V1.01 4 08.12.2009
SIM900 EVB User Guide
1. SIM900 EVB
Figure 1: EVB TOP view
SIM900-EVB_UGD_V1.01 5 08.12.2009
SIM900 EVB User Guide
Figure 2: EVB BOTTOM view
A: Source adapter interface
B: MAIN serial port for downloading, AT command transmitting, data exchanging
C: DEBUG serial port
D: SIM card interface
E: Test point interface
F: Antenna fix hole
G: SIM900-TE with SIM900 module interface
H: Module fix hole
I: Reset key ( reset the module )
J: Power key ( module ON/OFF control )
K: Charge switch ( charge ON/OFF control )
L: Download switch ( download control )
M: Power switch ( power ON/OFF control )
N: Headphones interface
O: Headset interface
P: Line in interface
Q: Status light
SIM900-EVB_UGD_V1.01 6 08.12.2009
SIM900 EVB User Guide
2. EVB accessory
Figure 3: EVB accessory
A: antenna
B: antenna transmit line
C: 5V DC source adapter
D: serial port line
SIM900-EVB_UGD_V1.01 7 08.12.2009
SIM900 EVB User Guide
3. Accessory Interface
3.1 Power Interface
Figure 4: Power Interface
Pin
1
Signal
Adapter input
I/O
I
Description
5V/2.5A DC source input
SIM900-EVB_UGD_V1.01 8 08.12.2009
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