![]() ![]() In a network using Open Systems Interconnection (OSI) architecture, the physical signaling sublayer is the portion of the physical layer that ![]() ![]() The physical layer supports higher layers responsible for generation of logical data packets. Within the semantics of the OSI model, the physical layer translates logical communications requests from the data link layer into hardware-specific operations to cause transmission or reception of electronic (or other) signals. It is a fundamental layer underlying the higher level functions in a network, and can be implemented through a great number of different hardware technologies with widely varying characteristics. The physical layer consists of the electronic circuit transmission technologies of a network. 3 Relation to the Internet protocol suite. ![]()
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