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Manchester Encoding

  • It is synchronous clock encoding technique used by physical layer of OSI Manchester Encoding.png

  • Used for multi-level signalling Manchester Encoding transition.png

1. Dr. Thomas

  • Low-to-high transition represents as 1
  • High-to-low transition represents as 0 Dr. Thomas Encoding.png

2. IEEE802.3 Encoding

  • High-to-low transition represents as 0
  • Low-to-high transition represents as 1 IEEE 802.3 Encoding.png

Differential Manchester Encoding

  • Also known as Biphase mark code
  • Presence or absence of the transition indicate the value
  • In  Differential Manchester Encoding 0 should contain an edge but 1 should not contain any edge it should be continuous Differential Manchester Encoding.png