| Subject | English | Latvian |
| transp., avia. | data link-automatic terminal information service | lidlauka rajona informācijas automātiskās pārraides dienests, kas izmanto datu posmu |
| transp., avia. | data link-automatic terminal information service | D-ATIS |
| commun., comp. | data link layer | datu posma slānis |
| comp., MS | data-link layer | datu posma slānis (Layer two of the OSI model. A layer that packages raw bits from the physical layer into frames (logical, structured packets for data). This layer is responsible for transferring frames from one computer to another, without errors. After sending a frame, the data-link layer waits for an acknowledgment from the receiving computer) |
| comp., MS | Microsoft Data Link | Microsoft datu saite (A .UDL text file that stores an OLE DB connectstring (similar to an ODBC file data source)) |