Fitting and removing an extender
Fitting an extender
To t an extender, follow the steps below:
1. Remove the cover of the expansion interface on the basic device.
2. Fit the two devices together so that the two centering pins are accommodated by the
opposing openings ①.
3. Press the devices together until they are ush.
The centering pins click audibly into place. The locking device is automatically pressed up
briey as this happens.
Removing an extender
To remove an extender, follow the steps below:
1. Release the locking device using a screwdriver ①.
The two devices are separated from each other.
2. Pull the two devices apart in a straight line ② until the two centering pins are completely out
of the openings.
Installation
5.6 Fitting an extender
SCALANCE XM-400
50 Operating Instructions, 03/2021, C79000-G8976-C306-10
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