How to choose between fail-safe and fail-secure electric locks for access control systems? What are their core differences?

Standalone access control systems (also known as offline access control) is generally used for small offices or remote locations where complex wiring would be expensive. A small unit is wired onto each individual door you choose to control. However, there is no need to control every door and no need for doors to be connected to a PC network.

A standalone access control system requires these core components: a power supply, an electric lock, a standalone access control unit, an exit push button, and a proximity card or tag (if card access is needed) .