Midea VRF systems and commercial lines to Modbus Gateway for 4 indoor units. The newer version of this device is IN770AIR00SO000The INMBSMID004I000 IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of Midea VRF and commercial lines solutions from a Modbus installation.The INMBSMID004I000 gateway is directly connected to the outdoor units communication bus and enables the control of all the indoor units c..