User's Manual
Table Of Contents
Page 2 of 187
TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
1.16 Mounting the GM862-PCS on your Board................................................................................................................. 25
1.16.1 Antenna Coaxial cable fixing...................................................................................................................................25
1.16.2 Precautions..................................................................................................................................................................26
2 AT COMMAND........................................................................................................................27
2.1 Definitions............................................................................................................................................................................27
2.2 AT Command Syntax.......................................................................................................................................................28
2.2.1 Command lines...........................................................................................................................................................28
2.2.2 Information responses and result codes .................................................................................................................29
2.2.3 Command Response Timeout..................................................................................................................................29
2.2.4 Command issuing timing..........................................................................................................................................32
2.2.5 Factory Profile and parameters stored in the profile............................................................................................32
2.3 Command Availability Table......................................................................................................................................... 33
2.4 Hayes Compliant AT Commands ................................................................................................................................. 39
2.4.1 Generic Modem Control...........................................................................................................................................39
2.4.1.1 &F - restore factory configuration.....................................................................................................................39
2.4.1.2 Z - soft reset...........................................................................................................................................................39
2.4.1.3 +FCLASS - select active service class.............................................................................................................40
2.4.1.4 &Y - designate a default reset profile ...............................................................................................................40
2.4.1.5 &W - store current configuration.......................................................................................................................41
2.4.1.6 &Z - store telephone number in the Telit GM862-PCS module internal phonebook...............................41
2.4.1.7 &N - display internal phonebook stored numbers..........................................................................................42
2.4.1.8 +GMI - request manufacturer identification....................................................................................................42
2.4.1.9 +GMM - request model identification..............................................................................................................42
2.4.1.10 +GMR - request revision identification............................................................................................................43
2.4.1.11 +GCAP - request capabilities list......................................................................................................................43
2.4.1.12 +GSN - request serial number............................................................................................................................43
2.4.1.13 &V - display current configuration & profile..................................................................................................44
2.4.1.14 &V0 - display current configuration & profile................................................................................................45
2.4.1.15 &V1 - display S registers values .......................................................................................................................45
2.4.1.16 &V2 - display last connection statistics ...........................................................................................................46
2.4.1.17 \V - single line connect message.......................................................................................................................46
2.4.1.18 %L - report line signal level................................................................................................................................47
2.4.1.19 %Q - report line quality.......................................................................................................................................47
2.4.2 DTE - modem interface control...............................................................................................................................48
2.4.2.1 E - command echo................................................................................................................................................48
2.4.2.2 Q - quiet resut codes ............................................................................................................................................48
2.4.2.3 V- result code form...............................................................................................................................................49
2.4.2.4 X - extended result codes....................................................................................................................................49
2.4.2.5 I - Request identifier and software checksum..................................................................................................50
2.4.2.6 &C - data carrier detect (DCD) control............................................................................................................50
2.4.2.7 &D - data terminal ready (DTR) control..........................................................................................................51
2.4.2.8 &K - flow control.................................................................................................................................................51
2.4.2.9 &S - data set ready (DSR) control.....................................................................................................................52
2.4.2.10 \R - ring (RI) control............................................................................................................................................53
2.4.2.11 +IPR - fixed DTE interface rate.........................................................................................................................53
2.4.2.12 +IFC - DTE - DTA flow control........................................................................................................................54
2.4.2.13 +ILRR - DTE - modem rate reporting..............................................................................................................55
2.4.2.14 +ICF - DTE - modem character format............................................................................................................56
2.4.3 Call Control.................................................................................................................................................................57
2.4.3.1 D - dial....................................................................................................................................................................57
2.4.3.2 T - set tone dial......................................................................................................................................................59