A professional 2U OLT unit for 19" racks, designed for scalable and reliable deployment. It includes 2 slots for service boards with support for up to 16 GPON (2.5/1.25 Gbps) or 16 XGS-PON (10/10 Gbps) optical ports per board (up to 32 ports in total). It supports a split ratio of 1:128 for GPON and 1:256 for XGS-PON ports. Dual control units ensure uninterrupted operation, while a high-speed uplink of 6× 10G SFP+ ports provides robust connectivity. The AC+DC dual power supply is hot-swappable, ensuring reliability. L2 and advanced L3 features with centralized management options via DPMS, SNMP, CLI, and Web UI.