MTD2000 AT Command Guide R12
Confidential
DAVISCOMMS (S) PTE LTD
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Table of Contents
1
Introduction ........................................................................................................................7
2
Features Summary.............................................................................................................8
3
System Overview .............................................................................................................10
3.1
End-User-Based Reporting (SMS)............................................................................10
3.2
Server-Based Reporting (SMS) ................................................................................11
3.3
Server-Based Reporting (TCP/UDP Socket).............................................................11
4
AT Command Syntax .......................................................................................................12
4.1
AT Command............................................................................................................12
4.2
Write Command ........................................................................................................13
4.3
Query Command.......................................................................................................13
4.3.1
Single Index Command......................................................................................13
4.3.2
Multiple Index Command ...................................................................................13
4.4
Execution Command.................................................................................................14
4.5
Command Response ................................................................................................14
4.5.1
Normal Response ..............................................................................................14
4.5.2
Unsolicited Response ........................................................................................15
4.6
Command Interface ..................................................................................................15
5
System Code....................................................................................................................16
5.1
MTD System Code....................................................................................................16
5.2
GSM System Code ...................................................................................................16
5.3
GPS System Code ....................................................................................................17
6
LED Indication..................................................................................................................18
6.1
Charging LED ...........................................................................................................18
6.2
GSM LED..................................................................................................................18
6.3
GPS LED ..................................................................................................................18
7
Basic Command...............................................................................................................19
7.1
Command Mode – AT ...............................................................................................19
7.2
Repeat Last Command – A/......................................................................................19
8
System Command............................................................................................................21
8.1
System Version – AT$SV..........................................................................................21
8.2
System Identity – AT$SI............................................................................................21
8.3
System Default – AT$SD ..........................................................................................22
8.4
System Configuration – AT$SC ................................................................................23
8.5
System Reset – AT$ST ............................................................................................24
8.6
System Sleep – AT$SS ............................................................................................25
8.7
System Upgrade – AT$SU........................................................................................25
8.8
System Boot Mode – AT$SB ....................................................................................27
8.9
Error and Status Indication – AT$EI..........................................................................28
9
SMS Command................................................................................................................29
9.1
SMS/Call Number List – $SL ....................................................................................29
10
Network Command.......................................................................................................31
10.1
TCP/IP Address List – AT$NT ..................................................................................31
10.2
UDP/IP Address List – AT$NU..................................................................................32
10.3
GPRS Profile List – AT$NG ......................................................................................33
10.4
DNS Server Address – AT$ND .................................................................................34
