Encrypt the phone number to generate a QR code as the access control identity credential.
When relevant personnel need to go to the computer room for maintenance and repair, they should report their mobile phone numbers to the permission management center, and the management personnel will add the corresponding permissions.
The QR code data is irreversibly encrypted and dynamically refreshed to prevent screenshot printing and ensure security

Original QR Code Access Control Supplier

Eliminate the vulnerability of one card being used for multiple purposes.

Unauthorized service personnel enter the computer room for maintenance. After review and approval, relevant personnel can share a time sensitive QR code.
The service personnel have completed the maintenance, and the QR code will automatically become invalid upon expiration.
The QR code information contains the identity information of the sharer, ensuring worry free traceability. If there are any problems, the responsible person can be found as soon as possible

QR code access control with built-in linkage and alarm functions

Multiple channel IO input and security alarm system linkageIllegal intrusion or failure to close automatic alarm message after timeout. Linked with the fire protection system, in the event of a fire, the system automatically opens the door and sends an alarm message

Multi system linkage, hierarchical management

Adopting B/S architecture, managing accounts with hierarchical allocation of permissions.
Reserved interfaces for fire protection and monitoring systems.
QR code access control linked monitoring and capture, and achieve data sharing

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