ATOP XGS-PON OLT E2 transceiver meets ITU-T G. 9807.1 standard. XGSPON feature supports 9.953Gbps continuous-mode transmission by 1577nm EML laser and 9.953Gbps/2.488Gbps burst-mode reception by 1270nm APD/TIA. It has been designed to meet the harshest external operating conditions that include temperature humidity and EMI interference. The module offers very high functionality and feature integration, accessible via a two-wire serial interface.