The RLP-4012BBSCLVD-MUis a 2RU rack mount Heavy Duty DC power Supply With Battery Backup, Smart Charging, Low Voltage Battery Disconnect and with Remote Monitering and Control. This unit features a front panel mounted analog meter for display of voltage and current amperage and a manual Battery disconnect switch for simple battery maintenance while still powering your load. Other features include a integrated 120W smart charger and a Low voltage disconnect to maintain and protect your battery backup. In addition Dual Schottky Diodes provide protective isolation and seamless transfer to battery when AC power is lost. When AC power is restored your batteries will be recharged. This unit also comes with four layers of protection short circuit, overload, over voltage, and over temperature. Remote Monitering and Control is provide via Ethernet TCP/IP and SNMP. MU Input/Output features includes 1 internal temperature Sensor, Monitors AC line Voltage, Monitors current (Amps), Monitors VDC output, Remote on & off.