Scene Signal Expansion Box Description The scene signal expansion box supports automatic acquisition of the IP address, one-button restoration of the factory settings, intelligent control network, smart body, convenient to carry, and it can be installed on the back of the door screen. Features * Protocol compatibility: Used with programmable central controller. It also fully supports the third-party device control. * With 1 channel RS232 and protection circuit interface. * It has 1 channel infrared output port, 1 channel RS485 input and output interface compatible with RS422 protocol. * With reset button. Support to restore to the factory default settings. * With work indicator. Red indicator light indicates machine running status, and blue light indicates machine's switching status. * Support two power supply modes, one is DC12V power supply, and the other is 100M POE power supply (standard POE protocol). * Support DHCP, device network address automatic identification and batch IP information change. * Network Control: Remote control via Ethernet. * The machine has ID identification to facilitate system cascade expansion. * It is easy to install and can realize 360 degree installation and suspension. It can be installed vertically or horizontally. Specifications Model TR-0740S Processor 32-bit Cortex-M3 ARM architecture embedded processor Control method The internet Power supply DC12V power supply or POE power supply Installation method Vertical or horizontal installation