ADCCP - Computer Definition
An early synchronous data communications standard from the United States National Bureau of Standards (NBS), now the National Institute of Standards and Technology (NIST). ADCCP was a predecessor to the High-Level Data Link Control (HDLC) standard subsequently developed by the International Organization for Standardization (ISO). See also HDLC and ISO.
(Advanced Data Communications Control Procedure) An ANSI communications protocol that is similar to the SDLC and HDLC protocols.