| VHDSL | Very High Bit Rate / Speed Digital Subscriber Line |
| SHDSL | Single-pair High Speed Digital Subscriber Line |
| LDSL | Low Speed ISDN Digital Subscriber Line |
| VDSL | Very High Data Rate Digital Subscriber Line |
| SDSL | Single line Digital Subscriber Line |
| PDSL | Power Line Digital Subscriber Line |
| DSL | Digital Subscriber Line |
| WDSL | Wireless Digital Subscriber Line |
| FDSL | Flexible Digital Subscriber Line |
| T-DSL | Telekom Digital Subscriber Line |
| EDSL | Ethernet Digital Subscriber Line |
| DSLB | Digital Subscriber Line Board |
| IDSL | ISDN Digital Subscriber Line |
| CDSL | Consumer Digital Subscriber Line [engl.] |
| DSLAM | Digital Subscriber Line Access Multiplexer |
| UDSL | Unidirectional / Universal Digital Subscriber Line |
| ASDL | Asymmetric Digital Subscriber Line [engl.] Schnelle Datendienste über vorhandene Kupferkabel mit unterschiedlichen Datenraten in den beiden Übertragungsrichtungen |
| RDSL | Residential / Reverse Digital Subscriber Line |
| BDSL | Broadcast Digital Subscriber Line [engl.] Schneller Internetzugang über Rundfunkdienste |
| MADSL | Margin Adaptive Digital Subscriber Line |
| RADSL | Rate Adaptive Digital Subscriber Line |
| ADSL | Asymmetrical Digital Subscriber Line // Loop [engl.] Teilnehmer-Anschluss mittels Telefonkabel |
| MDSL | Medium Bit Rate/Multirate Digital Subscriber Line |
| HDSL | High rate Digital Subscriber Link |
| SDSL | Single Line / Single Pair / Symmetric Digital Subscriber Line |
| RSLM | Remote Subscriber Line Module |
| RSLE | Remote Subscriber Line Equipment |
| VHS | Very High Speed |
| HS | High Speed |
| HSI | High Speed Interface |
| HSP | High Speed Photometer |
| HSP | High Speed Publishing |
| HSD | High Speed Data |
| HCMOS | High Speed CMOS |
| HSP | High Speed Printer/Processor |
| HSDN | High Speed Data Network |
| HSDT | High Speed Data Transport |
| DHSD | Duplex High Speed Data |
| HST | High Speed Technology/Telegraphy |
| HST | High Speed Train [engl.] Hochgeschwindigkeitszug |
| HSMD | High Speed Mobile Data |
| HSSG | High Speed Study Group |
| HST | High Speed Technology [engl.] |
| HSR | High Speed Rail [engl.] Hochgeschwindigkeitsverkehr bei Eisenbahnen |
| HSPS | High Speed Peripheral Shelf |
| HSPI | High Speed Parallel Interface |
| HSLN | High Speed Local Network |
| VHSIC | Very High Speed Integrated Circuit |
| HSC | High Speed Channel/Connect |
| VHSIM | Very High Speed Interface Module |