GPON OLT FD1616S-B0 completely meet relative standard of ITU G.984.x and FSAN, which is 1U rack-mounted device with1 USB interface, 4 uplink GE ports, 4 uplink SFP ports, 2 10-gigabit uplink ports and 16 GPON ports, each GPON port supports the splitting ratio of 1:128 and provides downstream bandwid......