APC Symmetra RM Main Intelligence Module - Power control unit ( plug-in module ) - for Symmetra RM 12kVA, 2kVA, 4kVA, 6, 8kVA APC provides power protection, environmental control and site monitoring services that are designed to proactively identify and correct problems before downtime occurs. Over the years, APC has received more than 150 awards worldwide for reliability and innovation of solutions - more than any other UPS manufacturer. APC's solutions are accepted as "best of breed" across the globe. You deserve the legendary reliability and peace of mind that only APC can provide. The Main Intelligence Module (MIM) is the "computer" of the Symmetra RM. The Main Intelligence Module communicates with the outside world and synchronizes the modules. It gathers and processes data, including monitoring the condition of each of the modules.