Physical Layer

Networking Topics > Layer 1 Physical > Physical Layer

The physical layer is where the mechanical and electrical properties of data communication are located within the OSI model. The physical layer deals specifically with the voltage levels and physical data rates. This is where data is converted into 1’s and 0’s and placed on the network media.

Layer 1 Devices

  • Networking media (Cabling)
  • Patch panels
  • Repeaters
  • Hubs
  • Attachment Unit Interface (AUI) connectors

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