Data Bus Selector Switch


Up to OverHead Panel
Left To Left Panel
Data Bus Selector Switch 

Right To Right Panel
Down to Bottom Panel

Allow the flight crew to select any one of four forward flight-critical data buses (FC1 through 4) as the data source for that display driver unit and its dedicated displays. (Because the flight-critical data buses are assigned to specific orbiter GPCs, the DATA BUS select switch also provides a means of assessing the health of individual computers, if they are assigned to FC1, 2, 3, or 4.




Non-normal Procedures

Normal Procedures




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