® COMMUNICATION MODULE GSM LT-1 USER MANUAL Firmware version 1.
WARNINGS For safety reasons, the module should only be installed by qualified personnel. In order to avoid the risk of electric shock, read carefully this manual before proceeding to installation of the equipment. Any wire connections can only be made after disconnection of power supply. Never turn on power supply of the module and GSM telephone without external antenna connected. Making any construction changes or unauthorized repairs is prohibited.
1. 2. 3. 4. 5. 6. 7. 8. CONTENTS GSM LT-1 MODULE FEATURES .............................................................................................2 LIMITATIONS OF USE .............................................................................................................3 DESCRIPTION OF THE MODULE ..............................................................................................3 OPERATING THE GSM TELEPHONE ..............................................................................
2 User Manual GSM LT-1 1. GSM LT-1 MODULE FEATURES • Simulation of analog telephone line by the use of cellular connection. • Interaction with alarm control panels and other equipment (e. g. DT-1 telephone dialer) which use the analog telephone line for transmitting voice information about alarms, or for sending text messages to paging system). • Capability of recognizing messages sent to paging system and transmitting them in the form of SMS text messages to any cellular telephone number.
GSM LT-1 SATEL 3 Figure 1. Hooking up the module to telephone line. 2. LIMITATIONS OF USE As the mobile phones are designed for the maximum efficiency of speech conveyance, the data compression feature which is used in them brings about distortions in the transmitted audio signals, which may make difficult or even impossible sending modem signals through a simulated telephone line (downloading, monitoring). 3.
4 User Manual GSM LT-1 EXTERNAL ANTENNA CONNECTOR GSM telephone SIM CARD SOCKET SIM RS 232 INTERFACE STAT SIG TX RX +12V GND FLT R-1 T-1 RS-232 Figure 2. View of the GSM LT-1 module board. In its active state, the FLT output is shorted to the ground. The FLT output may be connected to the alarm control panel input, or it can directly control the relay operation (its maximum current-carrying capacity is 50 mA). LEDs: The module indicates its status to the user by means of 4 LED indicators.
GSM LT-1 SATEL 5 – SIM card busy – invalid SIM card – PIN2 code required – PUK2 code required – other errors SIG – indicates level of antenna signal received by GSM telephone (the LED goes out when the module indicates a trouble on the FLT output): – no cellular network signal – signal power 1 – signal power 2 – signal power 3 – signal power 4 (maximum signal) TX, RX – data transmission indicators on RS-232 interface.
6 User Manual GSM LT-1 the computer by means of the DLOAD10 program will still be possible). If this is the case, turn the module power off and on, so that the module can re-enter the programming mode. SIM card 1. slide the card carrier up 2. turn the carrier aside and slide the card into the guides 3. press the carrier to the plate and slide the carrier down to fix it in position Figure 3. Entering the SIM card into its socket. The module power supply should have a sufficient current capacity.
GSM LT-1 SATEL 7 If the first four digits of the dialed number correspond to the pre-programmed „pager station number”, the module goes to the procedure of receiving the alphanumeric message and sending it as an SMS text message (see section „Sending SMS messages”). Checking of the first four digits is always performed. When connection is established by the cellular telephone, the module will transmit LF audio signals between the extension line T-1, R-1 terminals and the cellular telephone.
8 User Manual GSM LT-1 corresponding codes are to be defined in the STAM-1/STAM-2 program when editing the client. 8. SENDING SMS MESSAGES If the control panel has the function of messaging to the pager system, it can be used for sending SMS messages.
GSM LT-1 SATEL 9 8.2 SENDING SMS MESSAGES FROM A STATIONARY TELEPHONE SET The GSM LT-1 module user has an option to send SMS messages form a stationary telephone set which generates DTMF signals and is connected to the terminals R-1 and T-1. This operation is done in much the same way as sending SMS messages in the PAGER system. In order to send an SMS you should: 1. Lift the handset of the telephone. 2. Dial in one sequence the "PAGER station number" and the phone number to which the SMS is to be sent.
10 User Manual GSM LT-1 turn each of the preprogrammed numbers. The phone numbers to be notified should be programmed by means of functions 21 to 24. The first test transmission is carried out approx. 30 seconds after completion of the module programming; the second one: after the programmed test transmission period, or randomly (after a period not exceeding 20 hrs, unless duration of the programmed transmission period is shorter).
GSM LT-1 SATEL 11 programmed with function 26. The SMS which is then sent contains information on the current settings (transmission period and 4 telephone numbers to be notified, also for test transmission purpose). For the module to return the SMS, the SMS centre number must be programmed (function 02). Note: The message sent to the module may contain just the SMS password, but it can also be longer than the password (the password can be part of a longer word).
12 User Manual GSM LT-1 For installation of the program run the setup.exe program from a disc delivered with the module. Having installed the program, start it. Access to the program is protected with an access code. After installation of the program, the access code is: 1234 and can be changed in any string of 16 alphanumeric characters. As long as the code has its factory setting, pressing the „ENTER” key (without entering any code) will start the program with the default access code (1234).
GSM LT-1 SATEL Figure 8. Note: Never carry out functional test of the module with cable connected to RS port. Figure 9.
14 User Manual GSM LT-1 10.2 PROGRAMMING BY MEANS OF A TELEPHONE SET (DTMF) The stationary telephone set makes it possible to program all the module operating parameters by means of DTMF signals, as well as enables the module status and antenna signal level to be checked. In order to change the settings or check the status you should first enter the GSM LT-1 module programming mode. This operation requires entering a six-digit access code. By default, this code is [1][2][3][4][5][6] and can be changed.
GSM LT-1 SATEL 15 10.2.3 Function list [0][1][*][*][?][?][?][?][#] – SIM card PIN code (4 digits). The code saved in module memory does not change the code stored on the SIM card. The [0][1][*][*][#] sequence deletes the PIN code from module memory. [0][2][*][*][?...][#] – SMS center number – the telephone number necessary for sending text messages. The number of its digits must be within the range of 1...16. The entered number depends on the GSM network, where the telephone is activated.
16 User Manual GSM LT-1 [0][8][*][*][?][?][#] – modem standard format (2 digits) – the format in which the module will communicate with the modem of service/user computer. The format code is to be entered as two digits according to the table below: format code modem format 00 auto 01 300 V.21 02 1200 V.22 03 1200/75 V.23 04 2400 V.22bis 05 2400 V.26ter 06 4800 V.32 07 9600 V.32 12 9600 V.34 14 14400 V.34 65 300 V.110 66 1200 V.110/X.31 68 2400 V.110/X.31 70 4800 V.110/X.31 71 9600 V.110/X.31 75 14400 V.
GSM LT-1 SATEL 17 one short (S) – antenna signal strength = 1, two short (SS) – antenna signal strength = 2, three short (SSS) – antenna signal strength = 3, four short (SSSS) – antenna signal strength = 4 (maximum). [1][5][*][*][#] – check telephone status. The module informs the user about its status. The signaling is same as that of the STAT LED.
18 User Manual GSM LT-1 2 – test transmission period 5 h 57 min, 3 – test transmission period 11 h 56 min, 4 – test transmission period 23 h 55 min, 5 – test transmission period 2 d 23 h 53 min, 6 – test transmission period 6 d 23 h 30 min. If the function is called by entering [1][9][*][*][?][?][#], the second "?” character will determine whether the test function is to be random or not: 0 – no, 1 – yes. By default, the random transmission is disabled. [2][0][*][*][?][#] – test transmission priority.
GSM LT-1 SATEL 19 digits only (0...9), whereas the DLOAD10 program makes it possible to program passwords composed from letters and digits. The [2][7][*][*][#] sequence will erase the previously programmed password. [2][8][*][*][?][?][?][?][?][?][#] – SMS password (6 characters) makes it possible to remotely change the telephone number 1 for test transmission. Sending to the module an SMS with the [?][?][?][?][?][?]=nnnn.
20 User Manual GSM LT-1 [9][9][*][*][7][8][9][0][[#] – module test mode. Calling the function will extinguish all the LEDs. Then the LEDs will go on for about 1 second in the following sequence: STAT, SIG, TX, RX. Next, the FLT output will activate. [1][1][1][*][*][????][#] – GSM bands. The frequency range in which the phone installed in the module can work.
IMPORTANT: PIN................................. PUK............................................................................... Telephone No. ..................................................................................................... .............................................................................................................................. .............................................................................................................................. ...........
SATEL sp. z o.o. ul. Schuberta 79 80-172 Gdansk POLAND tel. + 48 58 320 94 00 info@satel.pl www.satel.
