Remotely, two devices with 16-channel digital output (relay) and 16-channel input input are connected over a network and have a remote status transmission function that transmits their input to the output of the other device. In case of an input alarm situation, a remote alarm ( A remote LINK device (16 Channel Status Transformer) with the function of transmitting the status of one side to the other without human intervention as a management app of HandyLINK, an IoT device that can receive direct and PUSH)