PoE power supply and cables kit for beamforming microphone array. PoE can be through standard power-over-Ethernet switch or through external PoE power supply. Connects with CONVERGE pro through G-Link expansion port. More than 3 beamforming microphone arrays are daisy-chained with a stack of Converge Pro units using G-link. One beamforming microphone array connected with stack of converge Pro units using G-link. Firmware upgrade through CONVERGE Pro unit through G-link.