The PON OLT enables a wide variety of deployment options of FTTx from customer's premises to carrier's office through the ONU or ONT. It guarantees competitive acces performance beyond 100 Mbps bandwidth per subscriber necessary for multi channel high resolution video delivery as well as high speed data and toll quality voice. The PON OLT is the CO-based concentrator embedded into PON line termination system, which supports full-featured L2/L3 switching and EPON master functions. The LS OLT provides full features of IEEE 802.3ah compliant EPON services by using the future-proven chipset of a market leading vendor.