SCALANCE XR-500 
Operating Instructions, 05/2017, A5E03275845-11 
73 
 
1.  Remove all connectors. 
2.  Remove the power supply unit/units from the rear of the device. 
3.  When necessary release the locking mechanisms on the rack device (such as the 
handles on the media modules or the clip on the SFP/SFP+) to be able to remove the 
media modules (MM900) or the transceivers (SFP/SFP+).