Industrial 300-1104-901 Printed Circuit Board by DSC Communications is a TCU2 circuit board (WL131) associated with part numbers 300-1104-901 and 300-1104-501. It appears in DSC Communications’ TCU2 board family under the WL131 designation, providing an exact reference for equipment that requires this specific PCB model. Use this board when documentation or service notes specify a DSC Communications 300-1104-901/300-1104-501 TCU2 circuit board with WL131 identification.
