On UltraScale+ devices with 100G Ethernet RS-FEC support, if the Hard FEC Wrapper radio button is selected the CPRI core is converted into a four lane Receiver Hard FEC IP running at a fixed line rate of either 24,330.24, 12,165.12, 10,137.6, or 8,110.08 Mb/s. See Hard FEC Wrapper IP.
Figure 1. Hard FEC Wrapper Tab