Robustel GoRugged M1000 User Guide
RT_UG_M1000 Standard_v.2.0.0 20.12.2013 7 / 83
Confidential
4.2 GSM CSD Connection (Only Available under Normal Mode) ....................................................................... 51
4.2.1 Overview ........................................................................................................................................... 51
4.2.2 Establishing a CSD Connection ......................................................................................................... 51
4.2.3 Answering a CSD Connection ........................................................................................................... 53
4.3 Using Short Message Service by Using AT Commands (Only Available under Normal Mode) .................... 54
4.3.1 Sending a Short Message .................................................................................................................. 55
4.3.2 Reading a Short Message ................................................................................................................. 55
4.3.3 Deleting a Short Message ................................................................................................................. 56
4.4 Using SMS Direct (Only Available under Config Mode) ............................................................................... 56
4.5 GPRS Connection (Only Available under Normal Mode) ............................................................................. 57
4.5.1 Overview ........................................................................................................................................... 57
Chapter 5. Appendix .................................................................................................................................................. 69
5.1 Factory Settings ............................................................................................................................................ 69
5.2 Restore to Factory Default ........................................................................................................................... 69
5.3 SMS Commands for Remote Control ........................................................................................................... 69
5.3.1 SMS Commands Structure ................................................................................................................ 69
5.3.2 SMS Control Steps ............................................................................................................................ 70
5.3.3 SMS Commands List ......................................................................................................................... 70
5.3.4 SMS Control Examples ...................................................................................................................... 76
5.4 Modbus Address Mapping ........................................................................................................................... 77
5.5 GSM Alphabet .............................................................................................................................................. 77
5.6 Troubleshooting ........................................................................................................................................... 81
5.5.1 The modem’s LED does not light: ..................................................................................................... 81
5.5.2 M1000 keep rebooting all the time: ................................................................................................. 81
5.5.3 No connection with modem through serial link ............................................................................... 81
5.5.4 Receiving “No Carrier” Message ...................................................................................................... 82
5.7 Terms and Abbreviations ............................................................................................................................. 82
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