Keep fiber infrastructure aligned to documented performance requirements with Cisco DCF OF -1150 psnm and 8 dB loss. This component is specified for single-mode fiber environments where exact optical characteristics matter more than generic compatibility claims. It fits procurement workflows that demand traceable part identification, controlled deployment planning, and consistency across installed base standards. For teams supporting mission-critical networks, the value is in specification discipline. A defined loss profile helps reduce ambiguity during design, replacement, and maintenance planning, especially when matching existing optical assemblies or approved bill-of-materials records. Cisco sourcing also supports environments that prefer vendor-aligned parts for lifecycle consistency and operational confidence. Use this part when the priority is preserving documented fiber behavior in enterprise connectivity paths. It is a practical choice for organizations that standardize on Cisco components and need a clearly identified single-mode fiber item for controlled infrastructure rollouts, spares, or replacement planning.