Access control and its benefits
Access control systems wide range of credentials can be used to replace mechanical keys. The electronic access control system grants access based on the credential presented. When access is granted, the door is unlocked for a access control singapore time and the transaction is recorded. When access is refused, the door remains locked and the attempted access is recorded. The system also monitors the door and warns you if the door is forced to open or stays open for too long after the door is unlocked. When the badge is presented to the reader, the reader sends the badge information (usually a number) to a reliable processor, the control panel. The control panel compares the credential number to the access control list, permits or denies the submitted request, and sends the transaction log to the database. If access is denied based on the access control list, the door remains locked. If the credentials and access control list match, the control panel operates the relay and the relay