... solar module(s) and battery. RJ45 interface with remote meter MT-2, convenient to check operating parameters of controllers.1 - Charging ... and also indicates when a solar input fault condition exists.2 - Battery status and load fault LEDAn LED indicator ... mode and battery type6 - RJ45 communication portCommunicate with remote meter MT-27 -Terminal blockTerminals for system: Solar, Battery, Load1, Load2 ...