Mircom OCAC-304 Four Indicating Circuit Class "A" Converter Module

The OCAC-302/304 converts four Class “B” (Style “Y”) indicating circuits on the FA-300 main board to Class “A” (Style “Z”) circuits. The module is equipped with wire leads to connect to the FA-300 main board. It mounts to the right of the main board Class “B” (Style “Y”) indicating circuits.