The DIB-6000 is used to interface a windows PC to the PX-6216 audio matrix for the control of the system 6000. It converts USB pc control to RS-485 PX-6216 control. It also allow the interface of PC audio with the system 6000 for playback of PC audio and PC stored audio files and scenario playback through the system 6000. A microphone input allows for paging of announcements from the control PC location. This input is also used for live recording of announcements for scheduled playback or triggered remotely.