Siemens SCALANCE X320-3LD FE Operating Instructions Manual page 66

Description of the device
4.2 Product groups
Image 4-17
Replacing the C-PLUG
In the X-300EEC devices, the slot for the C-PLUG is on the top on the housing.
Image 4-18
NOTICE
The C-PLUG may only be removed or inserted when the power supply to the device is
turned off.
In a device with a varnished printed circuit board, you may only use a C-PLUG with a
varnished board.
To remove the C-PLUG, open the slider and close it again after inserting the C-PLUG.
66
SCALANCE X302-7EEC (from below) with protective bracket and LC connector
C-PLUG of the X-300EEC
Operating Instructions, 05/2016, A5E01113043-20
SCALANCE X-300