Siemens S7-1200 Operating Instructions Manual page 37

Prior to installation, insert the SIM card in the CP.
Step
CP 1243-7 LTE
Operating Instructions, 01/2015, C79000-G8976-C381-01
Execution
1 Turn off the power supply to the station.
2 Release the slide for the SIM card on the
bottom of the CP behind the lower cover by
gently pressing the release pin.
3 Remove the slide from the housing.
4 Insert the SIM card in the slide as illustrated.
5 Push the slide back into the housing, where
it locks gently in place.
6 Turn on the power supply to the station.
Installation, connecting up, commissioning
3.2 Installing the CP and commissioning
Notes and explanations
37