The paper briefly describes the technical concept of a Data Link Processor Unit (DLPU) which is currently being developed by NLR under contract from Eurocontrol Brussels. In civil aircraft the DLPU will interface a Secondary Surveillance Radar Mode Select (SSR Mode S) transponder with various avionics systems in order to support data link operations. The DLPU is a 5-slot, VME-based, computer system. A militarized 68020 processor board, initially carrying the software for the Aircraft Data Processing and the Data Exchange Test Facility, will be applied. The interfaces with the transponder and the avionic systems will be developed by NLR, using 68000 microprocessor for handling the lower level protocols. Electrically the interfaces with the aircraft systems will be according to ARINC specification 429. Apart from the technical concept, the paper describes how the requirements for volume, environment, performance and certification will be met.
Application of VME-Technology in an Airborne Data Link Processor Unit
1988
16 pages
Report
Keine Angabe
Englisch
Avionics , Air Transportation , Airborne computers , Data links , Air traffic control , Computer architecture , Protocols , Computer systems design , Systems engineering , Interprocessor communication , Channels(Data transmission) , Transponders , Microprocessors , Specifications , Foreign technology , VME buses
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