What is the difference between Otu and ODU?

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Tags

  1. #physical
  2. #alarm
  3. #indication
  4. #between
  5. #section
  6. #optical
  7. #overhead
  8. #interface
  9. #bytes
  10. #represents
  11. #difference
  12. #communications
  13. #channel
  14. #provide
  15. #layer