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Fire & Security Products
Siemens Building Technologies Group
12.2001
1.1.2
Conceptions and abbreviations
CT
Operating terminal
DC1134
Control module
DC1135
Branching module (with max. 4 stub lines per DC1135)
DC1154
Control module
DC1152
Input / output module
EMC
Electromagnetic compatibility
EMI
Electromagnetic influence
FDS
Fire detection system
FDC
Fire detection system control unit
Ex
Explosion hazard area
Extra low voltage
Voltage <50V
Low voltage
Voltage <1000V
SB
Shunt-Zener-Diode barrier