Siemens SINAUT MD720-3 System Manual page 61

1. Please make sure, that the correct PIN is entered into the PLC program
module.
2. Push the SET button until the factory default settings has been loaded
(Attention, all settings will be reset)
or
Enter the following AT commands:
AT^PARSTART
AT^PARCSE
AT^PAREND
3. Afterwards the device will perform a restart and is ready of operation again.
Changing the SIM card
If you change the SIM card, please do not forget to update also the PIN number in
your application.
If you use a lot of SIM cards it can be helpful to set all PINs to the same PIN
number. You can do this i.e. by using a mobile phone. Please observe the security
requirements of your organization.
PIN-less SIM cards
The device operates also with SIM cards, which PIN check is deactivated. In this
case the PIN check is skipped and the device will immediately try to attach the
GSM network.
SINAUT MD720-3
C79000-G8976-C211
SINAUT MD720-3 in OPC Mode
61