physical layer

(networking)Layer one, the lowest layer in the OSI sevenlayer model. The physical layer encompasses details such aselectrical and mechanical connections to the network,transmission of binary data as changing voltage levels onwires or similar concepts on other connectors, and data rates.

The physical layer is used by the data link layer.

Example physical layer protocols are CSMA/CD, token ringand bus.

physical layer

The services in the OSI protocol stack (layer 1) that provide the transmission of bits over the network medium. Also known as the "PHY" layer. See OSI model and physical layer switch.

单词	physical layer
释义	physical layer physical layer (networking)Layer one, the lowest layer in the OSI sevenlayer model. The physical layer encompasses details such aselectrical and mechanical connections to the network,transmission of binary data as changing voltage levels onwires or similar concepts on other connectors, and data rates. The physical layer is used by the data link layer. Example physical layer protocols are CSMA/CD, token ringand bus. physical layer The services in the OSI protocol stack (layer 1) that provide the transmission of bits over the network medium. Also known as the "PHY" layer. See OSI model and physical layer switch. See PHY See PL
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