Siemens FS720 Quick Reference For Components / Pin Assignment page 30

Operator unit FCMxxxx
30
Building Technologies
Fire Safety & Security Products
S38: Switches for booting and operation system options
The two S38 switches have independent functions. In normal conditions, both
switches must be set to OFF.
S38-2 has an impact on booting.
The position of S38-2 always has the priority over S38-1.
S38-2 Function
ON Station performs a software update.
OFF Station is booted in normal mode.
Once the software update is complete, S38-2 must be set to OFF, otherwise a
new update is initiated.
S38-1 has an impact on starting the operation system.
38-1 Function
ON Station is booted in factory reset mode.
OFF Station is booted in normal mode.
When the station has been booted in factory reset mode, S38-1 must be set to
OFF. Otherwise a new factory reset is initiated.
A6V10210410_a_en_--
18.05.2009