In a particular embodiment, a power sourcing equipment (PSE) device is disclosed that includes a plurality of network input/output (I/O) interfaces adapted to physically and electrically connect to a respective plurality of cables. The PSE device further includes a plurality of driver circuits. Each driver circuit of the plurality of driver circuits is coupled to a respective network I/O interface of the plurality of network I/O interfaces to send and receive data via a respective cable of the respective plurality of cables. Further, the PSE device includes a shared isolation barrier to electrically isolate control circuitry from the plurality of driver circuits.