Panel system with managed connectivity

A panel system comprising:

• a chassis defining an interior;
• a tray arrangement mountable within the interior of the chassis, the tray arrangement including a circuit board, and the tray arrangement including a first portion of a port occupancy sensor arrangement and a cassette sensor disposed on the circuit board;
• and
• a cassette mountable to the tray arrangement, the cassette including a plurality of front ports, the cassette including a second portion of the port occupancy sensor arrangement at the front ports, and the cassette including a cassette identifier, the second portion of the port occupancy sensor arrangement and the cassette identifier being configured to engage the first portion of the port occupancy sensor arrangement and the cassette sensor, respectively, when the cassette is mounted to the tray arrangement, the cassette identifier being separate from the port occupancy sensor arrangement.