Content
1Technical Data .........................................................................................6
1.1 Physical Features...................................................................................................6
1.2 Technological Features..........................................................................................7
2Connections.............................................................................................8
2.1 PCB Layout............................................................................................................8
2.2 Pin Layout Terminal Strip P1 .................................................................................9
2.3 Pin Layout Terminal Strip P2 .................................................................................9
3Function Overview .................................................................................10
4Meaning of the Symbols and the Formatting in this Manual..................12
5Operating Principle ................................................................................13
5.1 Operation with the Terminal Program..................................................................13
6Functions ...............................................................................................15
6.1 Automatic Baud Rate Detection ..........................................................................15
6.1.1 Serial Connection ................................................................................... 15
6.1.2 Phone connection .................................................................................. 16
6.2 Bit Direct Mode ...................................................................................................16
6.3 Data Flow Control (Handshake) ...........................................................................17
6.3.1 Hardware data flow control (RTS/CTS) .................................................. 17
6.3.2 Software data flow control (XON/XOFF) ................................................ 18
6.4 Data Compression ...............................................................................................19
6.5 Data Buffer for Serial Data Transmission .............................................................20
6.6 Error correction....................................................................................................21
6.7 IO Tunneling and Connection Safeguard .............................................................22
6.8 Set Two-Wire or Four-Wire Operation .................................................................23
6.9 Adjusting the Transmission Level ........................................................................23
6.10 Set the Operating Modes Answer or Originate ....................................................24
6.11 Digital inputs .......................................................................................................25
6.12 Control output .....................................................................................................25
6.13 Switching on the Remote Configuration..............................................................26
6.14 Remote Configuration of the i-modul Modem 336 LL 3.0 ...................................27
6.15 Reset ...................................................................................................................28
7Maintenance ..........................................................................................29
8AT Command Reference........................................................................32
8.1 AT Messages .......................................................................................................48
9S Registers.............................................................................................51
9.1 Overview S Registers...........................................................................................51
9.2 Description S Registers .......................................................................................52
4Jul-12
