Green-Go Audio InterfaceThe Green GO InterfaceX enables the integration of 2 wire or 4 wire analog intercom systems into the Green GO digital Ethernet network. This versatile audio in out interface, equipped with contact closures, can be seamlessly connected to an existing matrix or other analog interfacing products. For 4 wire intercoms, the dual in out 3 pin XLR ports offer the capability to inject two separate audio signals (or a stereo signal) into the Green GO network,