The LC372AI audio input plate is an optional component of the IED LANcom SCS for use with the LC372SR communications module. This unit is for convenient connection to local audio sources for remote use in classrooms. This versatile wall plate includes one balanced XLR mic/line switchable input, one unbalanced stereo, mono summing 3.5mm TRS jack, and one unbalanced RCA stereo, mono summing input. Connection to the LANcom SCS system is through CAT5 or better structured cabling terminated with RJ-45 connectors.