This APC® Switched Rack PDU AP7900B - power distribution unit has a wide range of standardized PDU features that increase network efficiency, manageability and functionality. Network management capabilities allow you to configure and manage rack PDUs from remote locations. The APC Switched Rack PDU AP7900B power distribution unit has a local current monitoring display that gives a visible warning in case of an overload. The remote individual outlet control provides real-time monitoring of connected loads. It has a multi-tier user access that enables you to restrict unauthorized use of outlets. This rack has a single input power source making it easy to install. The alarm threshold feature informs users about potential circuit overloads in the APC power distribution unit, preventing accidental power loss to critical equipment.