High-Speed Data Transmission: support 1Gbps Ethernet transmission rate, meeting the needs of most enterprise and telecommunications applications. Dual-Fiber Transmission: use a dual-fiber LC (Lucent Connector) interface and uses two optical fibers for data transmission to ensure the stability and reliability of data transmission. Single-Mode Fiber: suitable for long-distance transmission, usually the transmission distance can reach several kilometers to tens of kilometers, suitable for metropolitan area networks and long-distance backbone networks. Digital Diagnostic Function (DDM/DOM): Some optical modules support digital diagnostic function, which can monitor the working status of optical modules in real time, such as optical power, temperature and voltage.