Siemens CERBERUS AlgoRex Series Installation Manuallines page 7

1.1.2 Conceptions and abbreviations
Fire & Security Products
Siemens Building Technologies Group
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
3
e1453b
12.2001