The Mitsubishi Electric R01E07311 M-Net Power Board is an OEM electronic power and communication control board designed for compatible Mitsubishi Electric HVAC systems. It manages power distribution while supporting M-Net communication between indoor units, outdoor units, and system controllers, helping coordinate overall system operation. This board is used in compatible VRF and mult... https://www.partshnc.com/mitsubishi-electric-r01e07311-m-net-power-board