The elevator controller contains master elevator controller and distributed elevator controller. It can be applied to buildings, public areas and so on. DS-K2210 master elevator controller supports up to 128 floors' permissions. It also supports TCP/IP communication. And RS-485 communication with the distributed elevator controller, the card reader, the video intercom devices, etc. is also supported. You can also control the device by the web client, iVMS-4200 client software etc.