Siemens SIMATIC NET Operating Instructions Manual page 31

Exchanging extenders - with change of medium
Exchanging extenders
If you replace an electrical extender with an optical extender (or vice versa), this can lead to
malfunctions.
The IE switch therefore reacts as follows:
● The extender is disabled.
● The red fault LED "F" lights up.
● The event is shown in the log table in WBM.
Enabling the extender
To activate the replacement extender, restart the IE switch:
● The extender is active.
● The red fault LED "F" goes off.
Extender for SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C332-03
Installation
4.6 Fitting an extender
31