This document describes the specifications of the SFP-1G-EZX-100-T02 optical transceiver module. The module supports data transmission rates of 1.25Gbps and 1.0625Gbps over up to 100km of single mode fiber. It consists of a laser transmitter, photodiode receiver, and control unit. Key features include hot pluggable SFP form factor, 1550nm wavelength, low power consumption under 1W, and digital diagnostic monitoring interface. The document provides detailed optical and electrical parameters, pin definitions, and mechanical dimensions.