What happens when the access control system is out of power?
From the professional requirements of security, the access control system should be in open state after the power failure. so, As to facilitate evacuation and evacuation,the main controller of access control system can set access control as power failure, door closing or power failure. However, after setting the power failure to open the door, the access control will not be closed in the event of power failure.If you want the access control to work in a power failure state, you can add equipment to power. An ordinary standby power can work for 1 to 2 days under power outages. Of course, as the district blackouts are not common nowadays, there is not much use of power supplies for access control and equipment.
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