Siemens SIMATIC NET SCALANCE M874 Operating Instructions Manual page 52

Installation and removal
4.8 Installation on a desktop pedestal
Uninstalling
1. Disconnect all connected cables.
2. Using a screwdriver, pull down the catch on the rear of the device.
3. Remove the device from the pedestal.
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Operating Instructions, 02/2023, C79000-G8976-C331-12
SCALANCE M874, M876