The RDC have been used for years on commercial aircraft. The extensive use of digital data transfer has prompted the need for a standard for collecting analog, digital and discrete information from sensors on the airplane. This information is digitized and processed in traditional ARINC 700-series equipment or in IMA cabinets.
SAE ARINC655-1999 history
1999SAE ARINC655-1999 REMOTE DATA CONCENTRATOR (RDC) GENERIC DESCRIPTION