The FS-03 uses the RS-232 and Logic Input control options primarily for system setup and for convenient switching of stored room configurations. User adjustments like volume control during teleconferences should be performed through the video codec or the audio conferencing telephone interface.
PIN # 1 = Logical Input 1 PIN # 6 = Logical Input 6
PIN # 2 = Logical Input 2 PIN # 7 = Logical Input 7
PIN # 3 = Logical Input 3 PIN # 8 = Logical Input 8
PIN # 4 = Logical Input 4 PIN # 9 = Ground
PIN # 5 = Logical Input 5