- 数据链路 shùjùliànlù data linka connection for transmitting digital information between two points in a telecommunications network
- 数据链路层 shùjùliànlùcéng data link layerThe second layer of the OSI model for network communications
- 数据链路连接标识 shùjùliànlùliánjiēbiāozhì data link connection identifiera computer networking term, often abbreviated as DLCI
- 逻辑链路控制 luójiliànlùkòngzhì logical link controllogical link control; the upper sublayer of the data link layer in networking
- 链路层 liànlùcéng link layerthe data link layer in a network communication model
