Industrial-grade SFP optical transceiver delivering 1 Gbps connectivity over single-mode fiber up to 40 km. Features rugged metal housing rated -40°C to 85°C, real-time DDM diagnostics monitoring, and universal MSA compatibility with all major switch brands. Hot-pluggable design enables field replacement without downtime. Ideal for mission-critical factory, outdoor, and harsh environment deployments requiring extended long-haul fiber links and reliable performance.