Siemens SCALANCE W778-1 Operating Instructions Manual page 46

Connection
5.5 Replacing the PLUG (C-PLUG or KEY-PLUG)
Removing the PLUG
Follow the steps below to remove a PLUG from the device:
1. Turn off the power to the device.
2. Release the screw of the slot cover and swing the slot cover to the side.
3. Insert a screwdriver between the front edge of the PLUG (A) and the slot and release the
PLUG.
4. Remove the PLUG from the slot.
5. Close the cover (tightening torque 0.8 Nm), to ensure that the device is closed and water
and dust proof.
Note
Loss of the configuration
The reset button is directly beside the slot for the PLUG. The reset button cannot be used to
remove the PLUG.
If you press and hold down the reset button you reset all the settings of the device to the
factory defaults.
Inserting the PLUG
Follow the steps below to insert a PLUG in the device:
1. Turn off the power to the device.
2. The PLUG slot is on the top of the device housing under a cover, see Reset key
(Page 22).
3. Release the screw of the slot cover and swing the slot cover to the side.
4. The housing of the PLUG has a protruding ridge on the long side (B). The slot has a
groove at this position. Insert the C-PLUG correctly oriented into the slot.
5. Close the cover (tightening torque 0.8 Nm), to ensure that the device is closed and water
and dust proof.
46
SCALANCE W778-1 /W738-1
Operating Instructions, 01/2107, C79000-G8976-C450-01