DIN 66221-2:1993-12

Отменен

High-level data link control procedures; elements of procedures; identical with ISO/IEC 4335:1991 (status as of October 1991) — 64 стр.

Заменен на

DIN ISO/IEC 4335:1995-12

ICS

35.200 Interface and interconnection equipment / Интерфейсы и межсоединительные устройства