RS-232C means Recommended Standard 232, version C
EIA standard 25-pin interface for transmitting serial data in
Electronics
Similar to RS-232C
ACE - Alternating Conditional Expectation
ACE - Automatic Control Environment
ACE - Advanced Combination Encoder
ACE - Automatic Color Equalization
ACF - Auto-Correlation Function
ACF - Anisotropic Conductive Film
ACGI - Adaptive Control Grid Interpolation
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