Siemens RM400 C Series Operating Manual page 45

4
Installing the system unit
In emergencies you can pull out the power plug. With the RM400-C80
!
and C90 models you must pull out both power connectors. But this may
cause loss of data.
If the system is in BBU (battery backup unit) operation, in emergencies
you can switch it off by turning the keylock switch to LOCAL and pressing
the [ON/OFF] button. This may also cause loss of data.
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U24802-J-Z146-2-7600 RM400 C Models