Multi-Channel 25G Reed-Solomon Forward Error Correction Product Brief (PB057) - 1.0 English - Implements the RS-FEC sublayer for one to four 25G Ethernet channels, using the hard 100G RS-FEC IP block in the UltraScale+™ devices. Intended for applications where two or more channels are required, a CMAC hard block is available, and there is a need to reduce the amount of logic resources.