NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 62056-21 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO/IEC 13239 | 2002-07 | Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures More |
| ISO/IEC 646 | 1991-12 | Information technology; ISO 7-bit coded character set for information interchange More |
| ISO/IEC 7480 | 1991-12 | Information technology; telecommunications and information exchange between systems; start-stop transmission signal quality at DTE/DCE interfaces More |
| ISO/IEC 7498-1 | 1994-11 | Information technology - Open Systems Interconnection - Basic reference model: The basic model More |
| ISO/IEC 7498-3 | 1997-04 | Information technology - Open Systems Interconnection - Basic reference model: Naming and addressing More |
| ISO/IEC 7498-4 | 1989-11 | Information processing systems; Open Systems Interconnection; basic reference model; Part 4: Management framework More |
| ITU-T V.24 | 2000-02 | List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) More |
| ITU-T V.28 | 1993-03 | Electrical characteristics for unbalanced double-current interchange circuits More |
