P450 – TB850 CEX-Bus Terminator Description Description P450 – TB850 CEX-Bus Terminator A TB850 CEX-Bus terminator must always be installed on the last unit on the CEX bus. With 25-pin DB25P male connector. With screw fixing. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE066490R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE018172R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE053242R1 Read more