| Subject | English | German |
| IT | data communication network for the exchange of administrative information | Telematiknetz zum Austausch administrativer Daten |
| commun. | multimegabit data exchange network | Datex-M (Multimegabit-Datennetz, DBT, 2-140 Mbit/s SMDS, connectionless ATM network for interconnecting LANs, to IEEE 802.6 (MAN, DQDB), from 1992) |