Mircom’s TX3-CX-2K-A is a powerful hybrid IP and RS-485 networked two door controller that will manage up to 126 doors using the RS-485 network. Use TCP/IP and the system is virtually unlimited. Simply add a TX3-IP module to the panel for TCP/IP networks. The TX3-CX-2K-A Kit comes complete with one TX3-CX controller, two TX3-P300-HA readers, a configurator software on a flash memory stick and a USB cable for programming.