Abstract: A controlled interface includes a first component communicating with a first device via a network connection, a first media converter having a first media converter disabled transmit port and a first media converter receive port, the first media converter connected via a connection to the first component, a second media converter having a second media converter transmit port and a second media converter receive port, the second media converter connected via a third network connection to the first component. A second component communicates with the second device via a connection. A third media converter has a third media converter transmit port and a third media converter receive port. The third media converter communicates with the second component via a connection. A fourth media converter has a fourth media converter disabled transmit port and a fourth media converter receive port.