NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN IEC 61158-6-21 [CURRENT] references following documents:

Document number Edition Title
ISO/IEC 646 1991-12 Information technology; ISO 7-bit coded character set for information interchange More 
ISO/IEC 7498-3 1997-04 Information technology - Open Systems Interconnection - Basic reference model: Naming and addressing More