What does security system include?

Answer:

Gas fire fighting system(5) digital monitoring system(6) digital patrol system(7) parking management system;(8) perimeter alarm system;

(9) elevator five party alarm system;(10) centralized management system for keysFrom the classification dependency relationship:Security systems include:(1) power environment monitoring subsystem.(2) video surveillance subsystem;(3) alarm subsystem;(4) guard patrol system;(5) voice intercom subsystem;(6) audio-visual broadcast subsystem;(7) intelligent analysis subsystem;(8) perimeter guard subsystem;(9) locating and tracking subsystem;

In terms of system classification:Security systems include(1) emergency broadcasting system;(2) building intercom system;(3) entrance guard system;