Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for SimCom T900
Summary of Contents for SimCom T900
- Page 1 T900_User Guide_V1.02...
- Page 2 T900_User Guide_V1.02 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.
-
Page 3: Table Of Contents
Version History ................................ 6 Introduction............................... 7 Key features............................... 7 Terminal dimensions ............................9 Installation............................... 10 Interface introduction............................11 Overview ..............................11 T900 Functional Diagram........................12 Accessory information..........................13 Application Interface............................13 Power Supply............................13 Serial Interface............................15 10 PIN I/O interface ..........................16 6.3.1 Audio interface............................ - Page 4 Smart Machine Smart Decision Table Index TABLE 1: T900 KEY FEATURES............................. 8 TABLE 2: THE CONSUMPTION IN SLEEP MODE..................... 14 TABLE 3: THE POWER LINE ASSIGNMENT......................14 TABLE 4: 9-POLE D-SUB (FEMALE) RS-232......................15 TABLE 5: SIGNAL ASSIGNMENT OF 10 PIN CABLE ....................17 TABLE 6: AUDIO OUTPUT CHARACTERISTICS ......................
- Page 5 Smart Machine Smart Decision Figure Index FIGURE 1: T900 OVERVIEW ............................7 FIGURE 2: MECHANICAL DIMENSIONS OF T900（UNIT: MM） ................. 10 FIGURE 3: INSTALLATION OF THE TERMINAL ...................... 10 FIGURE 4: T900 INTERFACE FRONT VIEW....................... 11 FIGURE 5: T900 INTERFACE BACK VIEW ........................ 11 FIGURE 6: T900 FUNCTIONAL DIAGRAM ........................
-
Page 6: Version History
Smart Machine Smart Decision Version History Date Version Description of change Author 2012-05-3 1.00 Origin Honggang Ma Demin Wu §6.3 Correct the PIN assignment 2012-08-15 1.01 Honggang Ma §6.3 Correct the signal assignment 2013-05-22 1.02 Honggang Ma T900_User Guide_V1.02 2013.05. 22... -
Page 7: Introduction
This document describes features, functions and interfaces of T900 terminal in great detail. T900 is a quad-band GSM/GPRS DTU that works on frequencies of GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz, which is a ideal solution for wireless m2m applications, the terminal features GPRS multi-slot class 10/ class 8 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. -
Page 8: Table 1: T900 Key Features
5V ~ 30V Power saving Typical power consumption in sleep mode is 70mW ( BS-PA-MFRMS=9 ) T900 Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. T900 can search the 4 frequency bands automatically. The frequency bands also can be Frequency bands set by AT command “AT+CBAND”. -
Page 9: Terminal Dimensions
Smart Machine Smart Decision Size: 98*60*23mm Physical characteristics Weight: 125g Firmware upgrade Firmware upgradeable by RS232 interface T900 does work at this temperature, but some radio frequency characteristics may deviate from the GSM specification. 3 Terminal dimensions T900_User Guide_V1.02 2013-05-22... -
Page 10: Installation
Smart Machine Smart Decision Figure 2: Mechanical dimensions of T900（Unit: mm） 4 Installation The terminal can be fixed by two kickstands (Optional) that provided by SIMCom, the following figure is the illustration. Figure 3: Installation of the terminal T900_User Guide_V1.02... -
Page 11: Interface Introduction
Smart Machine Smart Decision 5 Interface introduction Overview T900 Terminal provides the following connectors for power supply, GPIOs, Audio, ADC, Serial port and antenna: The GSM antenna interface(SMA type female connector) The 4 PIN I/O port for power supply The 10 PIN I/O port for audio, GPIOs and ADC... -
Page 12: T900 Functional Diagram
Smart Machine Smart Decision T900 Functional Diagram The following figure shows a functional diagram of T900 and typical accessories. Figure 6: T900 functional diagram T900_User Guide_V1.02 2013-05-22... -
Page 13: Accessory Information
G: 4-Line power line (Optional) 6 Application Interface Power Supply Customer can use the DC adapter that SIMCom provides as the power source. If customer does not use the adapter, then DC source should be satisfied with the following requirements. Input voltage range... -
Page 14: Table 2: The Consumption In Sleep Mode
7.75mA 5.02mA The following chapter introduces the power line that SIMCom provides to customers, customer can power the terminal by connect the terminal to the DC source via this line. The power line includes four lines as the following figure shows, and table 3 gives a detailed description. -
Page 15: Serial Interface
T900 provides one asynchronous RS232 serial port (female).The RS232 standard interface serves to connect a PC, Data Terminal Equipment (DTE) or other application, which acts as host controller of the T900 Terminal with all its functions. Through the RS232 interface it can be used as GSM/GPRS modem for sending and receiving of SMS, Data and Fax calls. -
Page 16: Pin I/O Interface
Smart Machine Smart Decision Hyper terminal usually as the PC software tool to operate T900; customer can set up a connection between PC and terminal, configure the port properties as the figure 9 shows. Figure 11: COM port properties of the hyper terminal 10 PIN I/O interface T900 provides a 10 PIN I/O interface for customer use, including Audio, GPIOs and 1 ADC channel. -
Page 17: Audio Interface
1007 26# Brown MIC+ White GPIO4 Configurable by AT Gray GPIO2 commands Purple SPK- Blue MIC- 6.3.1 Audio interface T900 has one pair of audio input and audio output; it can be connected to a handset directly. T900_User Guide_V1.02 2013-05-22... -
Page 18: Table 6: Audio Output Characteristics
Smart Machine Smart Decision Figure 14: Audio reference circuit Table 6: Audio Output Characteristics Parameter Conditions Unit RL=32Ω THD=0.1% RL=32Ω THD=1% Normal Output swing Output(SPK) Voltage (single ended) Output swing Voltage (differential) Customer can set the terminal MIC gain level to make the sounds louder so that the listener can hear more clearly. And if the sound a little lower on the terminal side, customer can use the “AT +CLVL”... -
Page 19: Table 8: At+Clvl Change The Speaker Volume Level
Smart Machine Smart Decision Parameters See Write Command Write Command Response AT+CMIC= ERROR <channel>,<gain level> Parameters <channel> 0 Main audio handset channel <gain level> Int: 0 – 15 0 0dB 1 +1.5dB 2 +3.0 dB 3 +4.5 dB 4 +6.0 dB 5 +7.5 dB 6 +9.0 dB 7 +10.5 dB... -
Page 20: Adc Channel
Please refer to document [1] and document [5] for details. 6.3.2 ADC channel T900 provides an auxiliary ADC, which can be used to measure the voltage. User can use AT command “AT+CADC” to read the voltage value. Table 9: ADC specification... -
Page 21: Gpio Interfaces
GPIO interfaces T900 provides 4 GPIO pins. The output voltage level of the GPIO can be set by the AT command “AT+ SGPIO”. The input voltage level of the GPIO can also be read by the AT command “AT+ SGPIO”. The following table shows the detail commands about GPIO. -
Page 22: Antenna Specifications
Smart Machine Smart Decision Figure 15: Antenna interface 6.4.2 Antenna specifications The antenna is a very important component in the system. Since the antenna transmits and receives electromagnetic signal, and its efficiency depends on the antenna’s type, placement and the environment of the antenna operating. -
Page 23: Led Indicator
FAST 64 kbps SIM card. Both 1.8V and 3.0V SIM card are supported. The SIM interface is powered from an internal regulator inside the terminal. T900 supports SIM card “hot” plug, which means that the terminal can sense the SIM card inserted in or drawn out when the module is on AT command “AT+CSDT”... -
Page 24: Figure 17: Installation Of Sim Card
Smart Machine Smart Decision Test Command Response AT+CSDT =? +CSDT: (0-1) Parameter See Write Command Read Command Response AT+CSDT? +CSDT: <mode> Parameter See Write Command Response Write Command AT+CSDT=<mode> ERROR Parameter <mode> 0 Switch off detecting SIM card 1 Switch on detecting SIM card Note: when the detecting function is activated, the status of sim card will auto report via the serial port. -
Page 25: Electrical, Reliability And Radio Characteristics
℃ Storage temperature Electro-Static Discharge T900 is an ESD sensitive component, so more attention should be paid to the procedure of handling and packaging. The ESD test results are shown in the following table. ℃ Table 17: The ESD characteristics (Temperature: 25 , Humidity... -
Page 26: Operating Frequency
The tool name is “SIM900 Series download Tools Customer 1.6”, which runs on the windows OS, customers can upgrade software conveniently by it. This tool is a single-road download tool, one terminal can be upgraded by it every time. SIMCom also provides multi-road download tools for customer’s factory use. Contact SIMCom sales for support. -
Page 27: Figure 18: Main Ui
Smart Machine Smart Decision Figure 18: Main UI Configure the download parameter Figure 19: parameter setting T900_User Guide_V1.02 2013-05-22... -
Page 28: Figure 20: Browse The Source File
Smart Machine Smart Decision Browse the source file Figure 20: Browse the source file Terminal setup Before click the “Start Download” , make sure that the terminal is off, and connect the terminal to PC by RS232 interface. T900_User Guide_V1.02 2013-05-22... -
Page 29: Figure 21: Connect To Pc By Rs232 Interface Without Power Up
Smart Machine Smart Decision Figure 21: Connect to PC by RS232 interface without power up Software download Click the button, then the window will change like the following figure shows. Figure 22: click download button without power up When the status window shows “Power On/Reset Target”, powering up the terminal by connecting the DC source. -
Page 30: Figure 23: Power Up The Terminal
Smart Machine Smart Decision Figure 23: power up the terminal Upgrade in proceeding Figure 24: Upgrade in proceeding T900_User Guide_V1.02 2013-05-22... -
Page 31: Figure 25: Finish Upgrading
Smart Machine Smart Decision Finish upgrading Now the software is the new version, click “Exit” to finish upgrading, customer can check the software version by “AT+GSV”. Figure 25: Finish upgrading T900_User Guide_V1.02 2013-05-22... -
Page 32: Appendix
SIM900_Multiplexer User SIM900 Multiplexer User Manual Application Note Manual_Application Note AN_SIM900_AUDIO Applications Note About T900 Audio AN_SIM900_Audio Applications Note About T900 LINE-IN Input LINE-IN input SIM900_Embedded SIM900 Embedded AT Application Note Application Note AN_Serial Port Application Note About Serial Port... - Page 33 Smart Machine Smart Decision Analog-to-Digital Converter Adaptive Multi-Rate Attention commands Coding Scheme Circuit Switched Data Clear to Send Data Terminal Equipment (typically computer, terminal, printer) Data Terminal Ready Data Transmit Unit Discontinuous Transmission Enhanced Full Rate EGSM Enhanced GSM Electrostatic Discharge European Telecommunication Standard Full Rate GPRS...
-
Page 34: Safety Caution
Smart Machine Smart Decision USSD Unstructured Supplementary Service Data Phonebook abbreviations SIM fix dialing phonebook SIM last dialing phonebook (list of numbers most recently dialed) Mobile Equipment list of unanswered MT calls (missed calls) SIM (or ME) own numbers (MSISDNs) list Mobile Equipment list of received calls SIM phonebook Not connect... - Page 35 Smart Machine Smart Decision Contact us: Shanghai SIMCom Wireless Solutions Ltd. Add: SIM Technology Building,No.633,Jinzhong Road,Changning District,Shanghai P.R. China 200335 Tel: +86 21 3235 3300 Fax: +86 21 3235 3301 URL: www.sim.com/wm T900_User Guide_V1.02 2013-05-22...
Need help?
Do you have a question about the T900 and is the answer not in the manual?
Questions and answers