Specify fiber components with confidence using Cisco DCF OF -1150 psnm and 8 dB loss. This single-mode fiber item is suited to infrastructure environments where exact part identification and documented optical characteristics are essential for procurement, maintenance, and lifecycle control. It supports teams that manage approved vendor lists, standardized spares, and replacement workflows with minimal tolerance for ambiguity. The practical advantage is clarity. A defined loss rating and Cisco MPN help procurement and engineering teams keep records aligned when matching existing assemblies or planning controlled replacements. That matters in enterprise networks where even small sourcing differences can complicate supportability, inventory accuracy, and change management. Choose this part when your priority is consistency across Cisco-based optical infrastructure. It is a straightforward fit for organizations that value traceable sourcing, exact specification matching, and disciplined network operations over generic alternatives.