| Subject | English | Polish |
| el. | input port | port wejściowy |
| el. | input port | wrota wejściowe |
| comp., MS | input/output port | port We/Wy (A channel through which data is transferred between a device and the microprocessor. The port appears to the microprocessor as one or more memory addresses that it can use to send or receive data) |
| med. | the signal input is a high insulation port | wejście sygnałowe jest bardzo dobrze izolowane |