Extended AT Commands Manual Page 5 of 70 2009-06-25
TABLE OF CONTENTS Extended AT Commands Manual............................................................................................... 1
RF EXPOSURE COMPLIANCE.................................................................................................... 2
CAUTION........................................................................................................................................ 2
REVISION HISTORY.................................................................................................................. 3
CONTACT INFORMATION.......................................................................................................... 4
TABLE OF CONTENTS...............................................................................................................5
1. OVERVIEW...................................................................................................................... 9
1.1. General Description.............................................................................................................. 9
1.2. Terms..................................................................................................................................10
2. AT INTERFACE DESCRIPTION........................................................................................12
2.1. Basic Integration............................................................................. ....................................12
2.2. Serial Interface................................................................................................... .................12
2.2.1. Pin out.............................................................................................................................12
2.3. Command Format................... ............................................................................................13
2.4. Message Naming Convention..................................................... ..........................................13
3. BASIC INTERFACE CONFIGURATION..............................................................................14
3.1. Baud Rate Set-up................................................................................................................14
3.2. Serial Interface................................................................................................... .................14
3.3. USB Interface......................................................................................................................14
3.4. IO Functions................................................................ .......................................................15
3.5. AT Notification Options........................................................................................................15
4. SIGNAL INFORMATION...................................................................................................17
4.1. MT SMS..................... .........................................................................................................17
4.2. MT DATA.............................................................................................................................17
5. INTERFACE ENVIRONMENT...........................................................................................18
5.1. MT2 Basic Operational State............... ................................................................................18
5.1.1.1. Boot alert .............................................................................................................18
Note: 18
5.1.1.2. Lock order.............................................................................. ..............................18
5.1.1.3. SMS TE2 emergency MO registration alert (AT$$EMMOREG)................................18
5.1.1.4. TE2 active command (AT$$TE2ALIVE)..................................................................19
5.1.1.5. Power Reset (AT$$RESET) ....................................................................................19
Note: 20
5.1.1.6. Current time (AT$$TIME)......................................................................................20
5.1.1.7. Software version (AT$$SWVER) ............................................................................20
5.2. Power Conservation Commands ..........................................................................................20
5.2.1.1. Sleep mode control (AT$$SLEEP_ENABLE) ...........................................................20
5.2.1.2. LED control (AT$$EXT_LED).................................................................................22
5.2.1.3. RS232C Transceiver power-down control (AT$$RS232_PWRDOWN)......................22
5.3. Low Battery Voltage Notification............................................................ ..............................22
5.3.1.1. SMS low battery voltage set point (AT$$LOWBATT_VTG).......................................23
5.3.1.2. Low battery notification (AT$$LOWBATT)..............................................................23