This is an electronic schematic for Control Panel & Switch System. 

Also there is available a PDF variant.      Schematic of Control Panel  and Switch System.

• This is a interface between PIR Motion Detectors, Video Cameras, Monitors, Video Recorder and Recording Controller. 

• With SW1, SW2, SW3 and SW4 is possible to select which zone can be recorded in AUTO Recording Mode.
• RY1, RY2, RY3, RY4 relays and their contacts, realize hardware zone hierarchy for AUTO Recording Mode.     

• There are also INPUT / OUTPUT connectors for Video signal.