RJ-11 means Registered Jack type 11 4-wire connector in Hardware
Similar to RJ-11
ADC - Apple Display ConnecterADC - Automatic Delay Compensation
ADCS - Automated Data Capture System
ADCU - Advanced Digital Control Unit
ADCU - Analog Data Collection Unit
ADD - AGP Accelerated Graphics Port Digital Display
ADDA - Analog Digital Digital Analog
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