SimCom T900 Manuale utente

T900_User Guide_V1.02

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T900_User Guide_V1.02 2 2013-05-22

Document Title T900 User Guide

Version 1.02

Date 2013-05-22

Status Release

Document Control ID 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. 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.

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

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.

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T900_User Guide_V1.02 3 2013-05-22

Contents

Contents.................................................................................................................................................................... 3

Version History ........................................................................................................................................................ 6

1Introduction....................................................................................................................................................... 7

2Key features....................................................................................................................................................... 7

3Terminal dimensions ........................................................................................................................................ 9

4Installation....................................................................................................................................................... 10

5Interface introduction......................................................................................................................................11

5.1 Overview .................................................................................................................................................11

5.2 T900 Functional Diagram....................................................................................................................... 12

5.3 Accessory information............................................................................................................................ 13

6Application Interface...................................................................................................................................... 13

6.1 Power Supply.......................................................................................................................................... 13

6.2 Serial Interface........................................................................................................................................ 15

6.3 10 PIN I/O interface ............................................................................................................................... 16

6.3.1 Audio interface.................................................................................................................................... 17

6.3.2 ADC channel....................................................................................................................................... 20

6.3.3 GPIO interfaces................................................................................................................................... 21

6.4 Antenna interface.................................................................................................................................... 21

6.4.1 Antenna connector .............................................................................................................................. 21

6.4.2 Antenna specifications ........................................................................................................................ 22

6.4.3 Antenna placement.............................................................................................................................. 22

6.5 LED indicator ......................................................................................................................................... 23

6.6 SIM Card Interface ................................................................................................................................. 23

7Electrical, Reliability and Radio Characteristics......................................................................................... 25

7.1 Absolute Maximum Ratings................................................................................................................... 25

7.2 Recommended Operating Conditions..................................................................................................... 25

7.3 Electro-Static Discharge ......................................................................................................................... 25

7.4 Operating frequency ............................................................................................................................... 26

7.5 Transmitter output power and receiver sensitivity ................................................................................. 26

8Software/ Firmware Upgrade ........................................................................................................................ 26

8.1 Tool introduction .................................................................................................................................... 26

8.2 Illustration of software updating............................................................................................................. 26

Appendix ................................................................................................................................................................ 32

A. Related Documents.......................................................................................................................................... 32

B. Terms and Abbreviations ................................................................................................................................. 32

C. Safety Caution ................................................................................................................................................. 34

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T900_User Guide_V1.02 4 2013-05-22

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 ...................................................................................................... 18

TABLE 7: AT+CMIC CHANGE THE MICROPHONE GAIN LEVEL.......................................................................... 18

TABLE 8: AT+CLVL CHANGE THE SPEAKER VOLUME LEVEL............................................................................ 19

TABLE 9: ADC SPECIFICATION .................................................................................................................................. 20

TABLE 10: AT+CADC READ ADC................................................................................................................................20

TABLE 11: AT+SGPIO CONTROL THE GPIO........................................................................................................... 21

TABLE 12: ANTENNA SPECIFICATIONS.................................................................................................................... 22

TABLE 13: STATUS OF THE NETLIGHT INDICATOR (GREEN).............................................................................. 23

TABLE 14: AT+CSDT SWITCH ON OR OFF DETECTING SIM CARD..................................................................... 23

TABLE 15: ABSOLUTE MAXIMUM RATINGS........................................................................................................... 25

TABLE 16: RECOMMENDED OPERATING CONDITIONS ....................................................................................... 25

TABLE 17: THE ESD CHARACTERISTICS (TEMPERATURE: 25℃, HUMIDITY: 45 %) ....................................... 25

TABLE 18: OPERATING FREQUENCY........................................................................................................................ 26

TABLE 19: TRANSMITTER OUTPUT POWER AND RECEIVER SENSITIVITY .................................................... 26

TABLE 20: RELATED DOCUMENTS ........................................................................................................................... 32

TABLE 21: TERMS AND ABBREVIATIONS................................................................................................................ 32

TABLE 22: SAFETY CAUTION..................................................................................................................................... 34

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T900_User Guide_V1.02 5 2013-05-22

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 ................................................................................................................ 12

FIGURE 7: ACCESSORY INFORMATION.................................................................................................................... 13

FIGURE 8: DIMENSIONS OF POWER LINE（UNIT: MM）..................................................................................... 14

FIGURE 9: POWER INTERFACE .................................................................................................................................. 14

FIGURE 10: PIN ASSIGNMENT RS-232 (D-SUB 9-POLE FEMALE) ........................................................................ 15

FIGURE 11: COM PORT PROPERTIES OF THE HYPER TERMINAL....................................................................... 16

FIGURE 12: SIGNAL ASSIGNMENT OF 10PIN I/O PORT ......................................................................................... 16

FIGURE 13: DIMENSIONS OF 10-LINE CABLE......................................................................................................... 17

FIGURE 14: AUDIO REFERENCE CIRCUIT................................................................................................................ 18

FIGURE 15: ANTENNA INTERFACE ........................................................................................................................... 22

FIGURE 16: INDICATOR LED....................................................................................................................................... 23

FIGURE 17: INSTALLATION OF SIM CARD .............................................................................................................. 24

FIGURE 18: MAIN UI..................................................................................................................................................... 27

FIGURE 19: PARAMETER SETTING ........................................................................................................................... 27

FIGURE 20: BROWSE THE SOURCE FILE ................................................................................................................. 28

FIGURE 21: CONNECT TO PC BY RS232 INTERFACE WITHOUT POWER UP ..................................................... 29

FIGURE 22: CLICK DOWNLOAD BUTTON WITHOUT POWER UP ....................................................................... 29

FIGURE 23: POWER UP THE TERMINAL................................................................................................................... 30

FIGURE 24: UPGRADE IN PROCEEDING................................................................................................................... 30

FIGURE 25: FINISH UPGRADING ............................................................................................................................... 31

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T900_User Guide_V1.02 6 2013.05. 22

Version History

Date Version Description of change Author

2012-05-3 1.00 Origin Honggang Ma

Demin Wu

2012-08-15 1.01 §6.3 Correct the PIN assignment Honggang Ma

2013-05-22 1.02 §6.3 Correct the signal assignment Honggang Ma

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1Introduction

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.

With the help of this document user can understand T900 interface specifications, electrical and mechanical

quickly.

Figure 1: T900 overview

Note: The T900 Terminal is fully complying with RoHS requirements of European standards.

2Key features

T900 terminal has the following features:

1. Standard AT commands set

2. SIMCom proprietary AT commands set

3. Watch-dog function

4. Short circuit protection

5. Voice call

6. GPIOs

7. ADC function

T900_User Guide_V1.02 7 2013-05-22

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T900_User Guide_V1.02 8 2013-05-22

Table 1: T900 key features

Feature Implementation

Power supply 5V ~ 30V

Power saving Typical power consumption in sleep mode is 70mW ( BS-PA-MFRMS=9 )

Frequency bands

zT900 Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. T900 can

search the 4 frequency bands automatically. The frequency bands also can be

set by AT command “AT+CBAND”. For details, please refer to document

[1].

zCompliant to GSM Phase 2/2+

Transmitting power

zClass 4 (2W) at GSM 850 and EGSM 900

zClass 1 (1W) at DCS 1800 and PCS 1900

GPRS connectivity

zGPRS multi-slot class 10（default）

zGPRS multi-slot class 8 (option)

Temperature range

zNormal operation: -30°C ~ +80°C

zRestricted operation: -40°C ~ -30°C and +80 °C ~ +85°C*

zStorage temperature -45°C ~ +90°C

Data GPRS

zGPRS data downlink transfer: max. 85.6 kbps

zGPRS data uplink transfer: max. 42.8 kbps

zCoding scheme: CS-1, CS-2, CS-3 and CS-4

zIntegrate the TCP/IP protocol.

zSupport Packet Broadcast Control Channel (PBCCH)

CSD zSupport CSD transmission

USSD zUnstructured Supplementary Services Data (USSD) support

SMS

zMT, MO, CB, Text and PDU mode

zSMS storage: SIM card

FAX Group 3 Class 1

SIM interface Support SIM card: 1.8V, 3V

External antenna SMA type RF connector

Audio features

Speech codec modes:

zHalf Rate (ETS 06.20)

zFull Rate (ETS 06.10)

zEnhanced Full Rate (ETS 06.50 / 06.60 / 06.80)

zAdaptive multi rate (AMR)

zEcho Cancellation

zNoise Suppression

RS232 serial port

Serial port:

zFull modem interface with status and control lines, unbalanced,

asynchronous.

z1200bps to 115200bps.

zCan be used for AT commands data stream.

zSupport RTS/CTS hardware handshake and software ON/OFF flow control.

zMultiplex ability according to GSM 07.10 Multiplexer Protocol.

zAutobauding supports baud rate from 1200 bps to 57600bps.

Phonebook management Support phonebook types: SM, FD, LD, RC, ON, MC.

SIM application toolkit GSM 11.14 Release 99

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Physical characteristics Size: 98*60*23mm

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.

3Terminal dimensions

T900_User Guide_V1.02 9 2013-05-22

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Figure 2: Mechanical dimensions of T900（Unit: mm）

4Installation

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 10 2013-05-22

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