Product Description
. . . . . The CK721-A is an advanced, intelligent, network controller capable of handling high volume, high-speed traffic with host security management systems. The controller is able to perform manual and automatic control functions using add-on modules to connect readers, monitor 2- or 4state inputs, and add output points. Communication between the CK721-A and modules is achieved via an RS-485 connection. CK721-A host communications use a standard TCP/IP on a 10/100Base-T network and are easily integrated into the P2000 security management system. The controller can be programmed by using its own user interface or by using the Microsoft® Windows® based P2000 interface. This device retains much of the same capability as the CK720 and previous versions of the CK721-A controllers. Its modular design allows for easier installation, and it can be mounted on a flat surface, DIN rail, or specified UL-listed enclosure.. Johnson Controls. Johnson Controls. CK721-A.