Access control is a solution that is required in all fields and scales as a basic element of security, it is widely used at places that are trying to physically protect property or information from unauthorized people.
Centralized access control solution is one of the solutions we use for Access control, this can be for one single building, so a centralized access solution is one unified system for all your Access control doors for which you have one global security policy and your system is managed centrally.
In very simple and lame language you can understand the centralized access control solution is like Controller and reader-based solution. There will be one centralized COntroller and on Doors, all will be a reader only which will be connected to the Centralised Door Controller over Wiegand or via RS-485 or over OSDP with the help of the Slave controller.
Suprema Centralised Architecture Flow Diagram
Obviously, with each solution, there are always some advantages and disadvantages as well and so here are some advantages and disadvantages of the centralized architecture.
| Advantages | Disadvantages |
|---|---|
| The advantage of the centralized approach includes the ability to monitor and/or control personnel who enter the room. | Routing of all circuits associated with the devices controlling the door |
| Increased mobility and convenience – people can access any of your locations (for which they have access rights) using just one card or identifier. | Large quantity of cable required to manage a single location. |
| Improved efficiency – you can dramatically reduce the hours needed to manage and operate your system. | Centralised architecture is not convenient for adding a remotely installed control module |
| Cost savings – you only have one system to set up and maintain and can take advantage of economies of scale when investing in it. | It could equate to a large quantity of cable required to manage a single location |
| Future-proofing – with just one system, it’s easier to keep it up to date and adapt it to meet your future needs and risks. | In future upgrade, you must get the compatible readers & controllers, and so expansion is quite chalanging because both wiegand & OSDP/RS485 has limitation of wiring length |
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