| Subject | English | Portuguese |
| commun., IT | ISDN user-network interface structure | estrutura de interface |
| commun., IT | ISDN user-network interface structure | estrutura interface de utilizador da RDIS |
| telecom. | ISDN user-network interface structure | estrutura de interface utente-rede RDIS |
| IT | network interface block | bloco de interface de rede |
| commun., el. | network interface card | placa de rede |
| IT | network interface card | controlador de interface de rede |
| commun. | network interface card/controller | controlador/placa de interface de rede |
| commun., el. | network interface controller | placa de rede |
| comp., MS | network interface layer | camada de interface de rede (A layer of the TCP/IP DARPA model that is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium. The network interface layer is also called the network access layer) |