DE-9 means 9-pin D-SUB
series D subminiature connector in
Electronics
Similar to DE-9
AA - Active Active
AA - Automatic Adjust
AA - Anti Aliasing
AA - Audio Animatronics
AAAC - All Aluminium Alloy Conductor
AACC - Audio Active Comparative Corrective
AACTS - Automated Accelerated Characterization Test Station
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