Siemens SCALANCE X-400 Operating Instructions Manual page 88

Installation
4.3 Installing / removing the media modules, covers, and dummy cover
Removing a cover/dummy cover
To remove a cover, you do not require any tools.
1. Press on the fluted middle section of the top of the cover/dummy cover next to the
backplane.
2. At the same time, tilt the cover/dummy cover down at an angle, the two guides initially
remain in the recesses at the lower edge of the basic device.
3. Remove the cover/dummy cover by pulling it upwards.
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Operating Instructions, 06/2015, C79000-G8976-C186-12
SCALANCE X-400