Abstract: A network interface apparatus includes: a communication portion adapted to connect the interface apparatus to a wired telecommunications network; a rectifier connected to the communication portion; a power distribution bus connected to the rectifier; a first power controller; a second power controller; a first switch coupled to the first power controller and configured to selectively prevent electrical currents from flowing between the connection portion and the power distribution bus, and a second switch and a third switch each respectively coupled to the second power controller and configured to selectively prevent electrical currents from flowing from the power distribution bus to the connection portion, wherein the second switch is connected in parallel with a rectifier element of the rectifier and the third switch is connected in parallel with a second rectifier element of the rectifier.