The parameters of optical module include the light transmission power, the light reception power, the temperature, the power-supply voltage and the bias current. This document describes the Gigabit Passive Optical Network (GPON) technology and how it functions. There are no specific requirements for this document. 3av standard, 10GEPON features symmetrical 10G uplink and downlink rates, but also offers a 1. SFP+: small form-factor pluggable plus, SFP with a higher rate. 320 Mbit/s in the downstream direction and 155.