Keep long-reach 10 GbE links stable with an SFP+ optic built for single-mode fiber deployments. This 10GBASE-LR module operates at 1310 nm and supports distances up to 10 km, making it a strong fit for campus backbones, building interconnects, and distribution-layer uplinks where copper is not an option. DOM support adds operational value by giving network teams access to optical diagnostics for faster troubleshooting and better link visibility. That matters when you are managing production fiber paths, validating margins, or isolating issues without pulling hardware from service. For procurement, this module delivers the right balance of reach, monitoring, and standard SFP+ compatibility. For operations, it reduces guesswork and supports cleaner maintenance workflows. When the network depends on a long fiber run, the optic should be specified as carefully as the switch port it serves.