Which subsystems are mandatory for building weak current intelligence? Do you have any relevant documents?

2. Computer network system;

3. Satellite TV and cable TV systems;

4. Voice communication system;

5. Smart card access control system;

6. Video security monitoring system;

7. Face recognition system;

8. Parabolic system at high altitude;

9, people flow statistics system;

10, electronic patrol system;

1 1, parking lot management system;

12, guest room intelligent control system

13, Building Automation System;

14, public * * * area intelligent dimming system;

15, power management system

16, lightning protection and grounding system;

17, information publishing system;

18, room audio-visual entertainment system;

19, background music and emergency broadcasting system;

20. Wireless intercom;

2 1, Intelligent Building Integration System (IBMS);

22. Intrusion alarm system;

23. Intelligent lighting system;

24. Parking guidance system;

25. Visitor system;

26, peripheral prevention system

27, visual intercom system

28. Shopping guide system;

29. fttp system;

30. Multimedia conference system;

3 1, LED large screen system

32.WIFI system;

33. Smart home management system;

34. Remote meter reading system;

35. Multimedia teaching system;

36. Energy statistics system;

37. Intelligent logistics management system;

38. Office OA management system;

39, mobile signal network coverage system;

40. Property management system;

4 1, stage lighting control system;

42. Non-inductive payment system;

43, disable the toilet alarm system;

44. Elevator five-way communication system;

45. Elevator control system;

46, access control management system;

47. Satellite communication system;

48. Audio on demand system;

49. Weak current integrated pipe network project;

50. Computer room project.