DSTA002B 3BSE018317R1 ABB Passive Analog Termination And Connection Unit For Use With The DSAI 133A Analog Input Board Engineered exclusively for the ABB Advant OCS system, the DSTA002B (3BSE018317R1) passive analog termination unit completely simplifies the interface between field devices and the DSAI 133A analog input board. It directly eliminates the need for active external signal conditioning components, reducing points of failure while tackling channel-to-channel