Terms for subject General containing communications channel

English	Russian
channel of communication	порядок представления сведений (и т. п.)
communications channel selection equipment	аппаратура выделения канала связи (ABelonogov)
physical communication channel	физический канал связи (Medical telemetry system with wireless and physical communication channels. | Physical Communication Channels (radio/fibre/lines). | it is necessary to distinguish between the physical communication channels (analogic phone lines, ISDN digital lines and optical fiber) and the various devices and protocols built on top of them and which manage the data transmission. Alexander Demidov)