insys icom i-modul 144/56k, Designer'S Manual, Page: 4 / 63

Content
1 Technical Data .........................................................................................6
1.1 Physical Features...................................................................................................6
1.2 Technological Features ..........................................................................................7
2 Connections.............................................................................................8
2.1 PCB Layout............................................................................................................8
2.2 Pin Layout Terminal Strip P1 .................................................................................9
2.3 Pin Layout Terminal Strip P2 .................................................................................9
2.4 PIN specifications ................................................................................................10
2.4.1 Reset Input ............................................................................................. 10
2.4.2 Indication Signals ................................................................................... 10
2.5 Connection Example for Serial Interface..............................................................11
3 Function Overview .................................................................................12
4 Meaning of the Symbols and the Formatting in this Manual..................13
5 Operating Principle ................................................................................14
5.1 Operation with the Terminal Program..................................................................14
6 Functions ...............................................................................................16
6.1 Automatic Baud Rate Detection ..........................................................................16
6.1.1 Serial Connection ................................................................................... 16
6.1.2 Phone connection .................................................................................. 17
6.2 Data Buffer for Serial Data Transmission .............................................................17
6.3 Bit Direct Mode ...................................................................................................18
6.4 Data Flow Control (Handshake) ...........................................................................18
6.4.1 Hardware data flow control (RTS/CTS) .................................................. 18
6.4.2 Software data flow control (XON/XOFF) ................................................ 19
6.5 Error Correction ...................................................................................................20
6.6 Data Compression ...............................................................................................21
6.7 Automatic Dial-Up Delay .....................................................................................22
6.8 User Profiles ........................................................................................................22
6.8.1 Changing the Configuration ................................................................... 22
6.8.2 Saving the Configuration........................................................................ 23
6.9 Reset ...................................................................................................................23
7 Maintenance ..........................................................................................24
8 AT Command Reference ........................................................................27
8.1 AT Command Overview.......................................................................................28
8.2 AT Messages .......................................................................................................43
9 S Registry ..............................................................................................47
9.1 Overview S Registry ............................................................................................48
9.2 Description S Registry .........................................................................................49
4 Jul-12