Hanutech 1.25g EPON OLT PX20+++ 20km TX1490/RX1310 SFP module Compatible IEEE 802.3ah 1000BASE-PX20++ GEPON application Applied to EPON OLT for a Single Fiber Bi-directional EPON System SFP, Single SC connector, Receiving Signal Strength Indication (RSSI) Single 3.3V power supply Operation case temperature -10~70°C for commercial RoHS-6 compliance