SNLA479 April   2025 DP83822HF , DP83822IF , DP83869HM

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1What is Fiber?
    1. 1.1 Pins Used
    2. 1.2 Hardware Configurations
    3. 1.3 Useful Registers
  5. 2Common Use Cases
  6. 3Summary
  7. 4References

Abstract

Fiber transmission, otherwise known as 1000BASE-X or 100BASE-FX depending on speed, is a type of communication interface that connects between two Ethernet PHYs. As opposed to traditional copper communication, fiber transmission has advantages such as faster linkup times as well as less signal integrity issues that can otherwise come from a long copper wire.