Expanding and assigning parameters to the device   
6.2 Installing the M.2 Module 
  SIMATIC IPC277G 
54  Operating Instructions, 08/2021, A5E50059956-AA 
Unscrew the marked screws for fixing the COM 
interface. 
 
Remove the COM interface and its jumpers on the 
motherboard. 
Follow above steps to install the M.2 Module with 
an additional interface-card on the X100 or X101 
interfaces slot. 
Note: The cable length of the M.2 Module should 
not be shorter than 100 mm and no longer than 
200 mm. 
Secure the additional interface-card in the position 
of the COM interface with screws. 
Procedure - Removing the M.2 Module  
Follow the above steps in reverse order to remove the M.2 Module.