The ZYXEL SFP-SX-D Gigabit SFP Transceiver Module is engineered for high-speed data networking applications. It features a duplex LC connector and operates at an 850nm wavelength, supporting a maximum transfer distance of 550 meters over multi-mode fiber. This hot-pluggable module is compliant with the SFP Multi-Source Agreement (MSA), ensuring compatibility with a wide range of networking equipment. With a data transfer rate of 1 Gbps, it is ideal for connecting switches and routers in enterprise environments. The module also supports Digital Diagnostics Monitoring Interface (DDMI) for real-time monitoring of the transceiver's performance, making it a reliable choice for network administrators.