Physical Layer
1. See Open Systems Interconnection–Reference Model.
2. The layer (layer 1) that provides transparent transmission of a bit stream over a circuit built from some physical communications medium. [Tl.110-1987]
1. See Open Systems Interconnection–Reference Model.
2. The layer (layer 1) that provides transparent transmission of a bit stream over a circuit built from some physical communications medium. [Tl.110-1987]