Telco cores are IP cores, which are specific for telecommunication and networking applications.
This IP provides OTL4 layer function to OTU4 or OTUCn.
This IP provides 100G/s Constant Bit Rate (CBR) connectivity between ASICs/FPGAs.
This IP provides 40-50G/s interface used in OTU3 or similar application.
This is a SONET/SDH framer at 10G/s.
This is a SONET/SDH framer at 2.5G/s.
This is a single SONET/SDH framer at 622M/s or quad-OC3/STM-1 framer.