High-level data link control procedures, HDLC; address resolution/negotiation in asynchronous balanced mode over switched circuit; identical with ISO 8471:1987— 9 стр.
High-level data link control procedures, HDLC; CCITT X.25 LAPB-compatible data link procedures for data terminal equipment; identical with ISO 7776:1986 (status as of 1989)— 31 стр.