Modem Md720 In Terminal Mode; Terminal Mode Activation - Siemens SIMATIC NET MODEM MD720 System Manual

4 MODEM MD720 in Terminal Mode

In the Terminal Mode the MODEM MD720 operates like a GSM modem, which is
controlled by AT commands.
Supported are

incoming and outgoing GSM data connections with 9600 bps with modems
being connected to the GSM network, the ISDN or the analogue telephone
network,

sending of SMS (Short Message Service).
4.1

Terminal mode activation

Terminal mode is the factory default setting
The MODEM MD720 supports two fundamental operation modes:

Terminal Mode,

OPC Mode.
The MODEM MD720 is delivered by the factory with activated Terminal Mode.
Switching from OPC Mode into the Terminal Mode
If it is necessary to switch a manually the MODEM MD720 from OPC Mode into
the Terminal Mode, you will find the instructions for this in the chapter Switching
between Terminal mode and OPC Mode.
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