1 XPON optical interface Meet 1000BASE-PX20+ standard Symmetric 1.25Gbps upstream/downstream SC single-mode fiber split ratio: 1:64 ,Transmission distance 20KM, Ethernet Port(LAN), 1*GE Auto-negotiation RJ45 ports, Full Duplex / Half-DuplexRJ45, Auto-MDI/MDI-X, Power Supply Port 12V DC input