The MikroTik S+31DLC10D is an industrial-grade 10G SFP+ optical transceiver designed for stable connections over distances up to 10 km on single-mode fiber. Operating at 1310 nm with a dual LC UPC connector, it is ideal for data center links, campus network backbones, and service provider infrastructures. It supports both 1G and 10G data rates, operates in a wide temperature range from -40°C to +70°C, and features Digital Optical Monitoring (DOM) for real-time diagnostics.