Forward Error Correction (FEC) - 3.2 English

40G/50G High Speed Ethernet Subsystem Product Guide (PG211)

Document ID
PG211
Release Date
2021-10-27
Version
3.2 English

The 40G/50G IP core has support for any one of three FEC modes of operation as defined in Schedule 3 of the 25G Consortium:

  • No FEC
  • Clause 74 FEC (shortened cyclic code (2112, 2080))
  • Clause 91 FEC (Reed-Solomon (528,514))

The FEC mode is communicated to the link partner during the auto-negotiation phase.