| Subject | German | English |
| abbr. | Asymmetric Digital Subscriber Line | ADSL |
| commun., el. | Asymmetrical Digital Subscriber-Line | asymmetrical digital subscriber loop |
| abbr. | High Bit-Rate Digital Subscriber Line | HDSL |
| comp., MS | Rate-adaptive Asymmetric Digital Subscriber Line | rate-adaptive asymmetric digital subscriber line (A flexible, high-speed version of ADSL (asymmetric digital subscriber line) that is capable of adjusting transmission speed (bandwidth) based on signal quality and length of the transmission line. As the signal quality improves or deteriorates while a transmission line is being used, the transmission speed is adjusted accordingly) |
| commun., IT | Very High Speed Digital Subscriber Line | Very high speed Digital Subscriber Line |