MAC Layer

Media Access Control (MAC) Layer

OSI

Physical

(Layer 1)

Media

Access

Control

802.3

10Base-T

802.3

10Base-5

802.3

Other

Physical

Layer

802.5

Physical

Layer

4 Mbps

802.5

Physical

Layer

16 Mbps

Other

Physical

Layer

MAC layer implements media access control:

When a station may transmit

Controls the framing of data along the wire

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