The Gemini TPS5101MP OTN processors IP cores are a member of Tera-Pass’ product family for access applications. Gemini TPS5101MP processors support the functionality required by access networks and by premium services networks in China. Gemini TPS5101MP client ports support one or two Ethernet/SDH signals and multiplexes them to an OTU1/OTU0 (2.7/1.3 Gbps) bearer with 1+1 protection.