| Subject | English | Danish |
| commun. | application protocol data unit | anvendelsesprotokolelement |
| commun. | application protocol data unit | applikationsprotokoldataenhed |
| commun. | application protocol data unit | anvendelsesprotokoldataelement |
| commun., IT | command protocol data unit | dataenhed for kommandoprotokol |
| commun. | convergence sublayer protocol data unit | convergence sublayer PDU |
| commun. | convergence sublayer protocol data unit | convergence sublayer protocol data unit |
| commun. | Message Protocol Data Unit | message protocol data unit |
| commun., IT | N-protocol-data-unit | et lags protokoldatænhed |
| commun., IT | protocol-data-unit of a layer | et lags protokoldatænhed |
| commun., IT | response protocol data unit | responsprotokol dataenhed |
| commun., IT | retained transport protocol data unit | tilbageholdt overførselsprotokoldataelement |
| commun., IT | session protocol data unit identifier | SPDU-identifikator |
| commun., IT | session protocol data unit identifier | sessionsprotokoldataenhedsidentifikator |
| commun., IT | session protocol data unit identifier | kendetegn for sessionsprotokoldataelement |
