Brand - C-Data, Model - C-Data FD1608SN-B0-NDA0, Uplink 10-Gigabit Port - 2, PON Port Max Splitting Ratio - 1:128, USB Port - 1, Specialty - Optical Line terminal 8 PON GPON OLT FD1608SN-B0 fully complies with ITU G.984.x and FSAN standards. The device has 1 USB interface, 4 copper gigabit upstream ports, 4 upstream optical ports, 2 10-gigabit ports, and 8 GPON ports. Each GPON port supports 1:128 split ratio and provides 2.5Gbps downstream bandwidth and 1.25Gbps upstream bandwidth, the system supports 1024 GPON terminals. XGX UPLINK 8 PORT GPON OLT, Part/Model Number - FD1608SN-B0-NDA0, Warranty - 1 Yea