Photo 2_108th ADA BDE ACS_14SEP26.jpeg

This image shows the interior of an access control or security system enclosure mounted on a wall. The black metal cabinet contains a blue circuit board (likely a main controller or processor board) positioned in the upper right portion of the enclosure, with multiple green terminal blocks for wiring connections along its left edge. Two large cylindrical capacitors are mounted on the left side of the panel, along with various colored wires (red, black, yellow, green, and blue) for power and signal connections. A rechargeable battery with red and black connectors is positioned in the lower center of the cabinet. The right side features a rotary dial selector switch. Exterior wiring extends below the cabinet, including what appears to be transformer and relay components mounted on the wall below. Technical documentation and wiring diagrams are affixed to the left side of the enclosure for reference and maintenance purposes. The system appears to be an institutional or commercial-grade installation, typical of building security or access control infrastructure.