Access control system configuration principles

Access control system configuration principles:

The configuration of the access control system is mainly based on the principle of the wiring distance from the card reader to the controller and the controller to the main control computer.

Principle 1: The distance between the card reader and the controller should be less than 100 meters. It is recommended to be within 60 meters.

Principle two: The bus length of the computer and other controllers in series is less than 1200 meters. It is recommended to be within 800 meters. If the distance is farther, the communication distance of the repeater needs to be increased to 3000 meters.
You can also use ICP / IP-485 converter to merge into LAN or internet for networking.

Principle 3: Glass doors should be connected with electric mortise locks, wooden doors and fire doors should be connected with magnetic locks (electromagnetic locks).

Principle 4: The communication hub can be connected to 128 access controllers.

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