Installation 
  5.3 Inserting media modules and SFP transceivers 
SCALANCE X-300 
Operating Instructions, 10/2010, A5E01113043-10 
115 
Installing a media module 
The media module is inserted with the handle pulled out. When the handle is inserted, the 
media module is locked in the device. 
 
1.  Select the required slot on the device (for example, 
X308-2M). Remove the dummy cover. 
 
2.  Pull out the handle on the selected media module. 
 
3.  Place the media module in the guide rails of the device 
slot. The media module is correctly installed when it clips 
easily into the device.