JIS X 5106:1991 Information processing systems -- Data communication -- High-level data link control procedures -- Consolidation of classes of procedures
1998JIS X 5203:1998 Information technology -- Telecommunications and information exchange between systems -- High-level data link control (HDLC) procedures
1991JIS X 5106:1991 Information processing systems -- Data communication -- High-level data link control procedures -- Consolidation of classes of procedures