noun
physical link; physical transmission path
Technical computing term referring to the physical medium (cable, fiber, etc.) that carries signals between devices.
ネットワークの物理伝送路として光ファイバーが使われている。
Optical fiber is used as the physical transmission path for the network.
Compound of 物理 (physical) + 伝送 (transmission) + 路 (path). A modern technical term with no known historical derivation.