16 GPON Ports: Supports 1:128 splitting ratio for every portup to 2048 ONTs by one device High-Speed Uplink Ports: Provides 4× 10GE SFP+ ports and 2× gigabit uplink ports Dual Redundant Power Supplies: Carrier-class reliability with dual hot-swap AC, DC, or mixed power input Complete L2 & Advanced L3 Functions: Satisfies the need for numerous commercial requirements Centralized Management: Via DeltaStream PON Management System (DPMS), SNMP, CLI, and WEB UI Advanced L2/L2+ Functions: Static Routing, IGMP Snooping, and more meet the requirement for different applications DeltaStream 16-port Pizza-boxGPON Optical Line Terminal1:128 Split Ratio for High CapacitySupports 1:128 splitting ratio for every portup to 2048 ONTs by one device.Redundant Dual Power SuppliesCarrier-class reliability with redundant dual power supplies supporting AC, DC or mixed power input.Compact Size for Flexible Deployment19 inch rack mount size is flexible and easy to deploy, suitable for different application s