Green-Go Quad 4-wire InterfaceConnect any 4 wire analogue system to the Green GO network with the Quad 4 wire Interface. Separate audio signals injected into and extracted from the Green GO networks are possible due to a 4 wire port. This port consists of a pair of 3 pin XLR in and output ports with a Sub D9 connector and can operate in a full user based mode or a general purpose mode. The display provides an overview of transmitted and received audio signals and levels, on a