
Contents
Mar-14 5
10 Operating Principle ................................................................................34
10.1 Operation with the Terminal Program..................................................................34
10.2 Operation with HSComm Modem .......................................................................35
10.3 User Interface of the Software HSComm Modem ...............................................36
11 Functions ...............................................................................................39
11.1 Establishing or Accepting a Data Connection......................................................39
11.2 Select Country-Specific Presets...........................................................................41
11.3 Automatic Baud Rate Detection ..........................................................................42
11.3.1 Serial Connection ................................................................................... 42
11.3.2 Phone Connection.................................................................................. 43
11.4 Data Buffer for Serial Data Transmission .............................................................43
11.5 Bit Direct Mode ...................................................................................................44
11.6 Data Flow Control (Handshake) ...........................................................................45
11.6.1 Hardware data flow control (RTS/CTS) .................................................. 45
11.6.2 Software data flow control (XON/XOFF) ................................................ 46
11.7 Error correction....................................................................................................47
11.8 Data Compression ...............................................................................................48
11.9 Selective Call Acceptance....................................................................................49
11.10 Switching Outputs...............................................................................................50
11.11 Alarm Inputs ........................................................................................................51
11.12 Sending messages via Data connection, SMS or Fax ..........................................52
11.13 Manual Sending of Messages..............................................................................55
11.14 Switching on the Remote Configuration..............................................................56
11.15 Remote Configuration of the INSYS Modem 56k AC/DC 4.2...............................57
11.16 Switching / Querying of the Outputs / Activate Inputs via DTMF ........................58
11.17 Switching of the Outputs / Queries of the Inputs via DTMF ................................59
11.18 Access Control and Security Callback .................................................................61
11.19 Idle Connection Control with Data Transmit Control ...........................................64
11.20 Priority Circuit for a Phone Connected in Series ..................................................65
11.21 Operation with a PLC...........................................................................................67
11.22 Resetting the Device............................................................................................68
11.23 Firmware Update.................................................................................................69
12 Waste Disposal ......................................................................................71
12.1 Repurchasing of Legacy Systems........................................................................71
13 Declaration of Conformity ......................................................................72
14 AT Command Reference ........................................................................73
14.1 AT Messages .....................................................................................................101
15 Country Codes .....................................................................................104