It is Optical Network Unit (ONU) for IEEE802.3av. The optical transceiver is compliant with the Small Form- Factor Pluggable (SFP) Multi-Source Agreement (MSA). The transmitter section uses a 1310nm DFB laser diode with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio overall operating temperature range and full IEC825 and CDRH class1 eye safety.Part NoDescripionZP7362039-OCSAsymmetric 10G EPON ONU TransceiverZP7762099-ICSSymmetrica