Monitoring and controlling apparatus

A monitoring and controlling apparatus, comprising:

• a functional cabinet including a plurality of frames and a door at an opening of at least a part of the frames, each frame having a predetermined accommodation size;
• a plurality of functional units, each functional unit being detachably accommodated in respective frame and including a circuit and a component for a function of the functional unit;
• and
• a control cabinet disposed next to the functional cabinet and configured to monitor and control the functional units,
• wherein the functional unit includes:
• collection circuitry configured to collect and output operation information of the circuit and the component;
• and
• a notification circuit configured to notify a state in the functional unit or a position of the functional unit,
• wherein the control cabinet includes:
• a management table configured to memorize unit numbers of the functional units, identification information indicating functions of the functional units, and flags indicating operation states of the circuits and the components associated with each other;
• and
• a controller configured to detect a change of the flags when the flag of the operation state of the circuit and the component in the management table is updated, to specify the circuit and the component corresponding to the flag and the functional unit accommodating the circuit and the component based on the operation information output from the collection circuitry, and to make the notification circuit of the specified functional unit notify the position or the operation state of the functional unit.