Specifications

SATEL GSM LT-1 7
9. If the module is to be used as the external modem, connect the module RS-232 port to
the suitable port of the device.
12
3
4
5
6
Fig. 4. Installing the SIM card.
5. PROGRAMMING
You can configure the module using the keypad of telephone connected to the R-1 and T-1
terminals, or a computer with suitable software installed (locally and remotely).
5.1 DTMF PROGRAMMING
5.1.1 Programming mode
In order to enter the module programming mode:
1. Take off-hook the telephone connected to the R-1 and T-1 terminals.
2. Using the telephone keypad, enter the following character string: [
******
xxxxxx
******
#],
where "xxxxxx" is a six-digit access code (see: "Access code" p. 18).
3. Entry into the programming mode will be confirmed by the module with 4 short beeps
followed by 1 long beep. It will remain in this mode until you put the phone on-hook.
You can enter the module programming mode irrespective of the sounds which are
currently produced in the telephone handset (e.g. the line busy tone, if the SIM card is
not installed).
5.1.2 Starting a function and entering data
In order to run a function, enter its number using the number keys, and then press twice the
[
*
] key (see: "Function list"). Having started the function, you can use the keypad to program