Protect optical path performance with Cisco DCF OF -1150 psnm and 8 dB loss. This component is intended for transport environments where dispersion compensation must be specified precisely and where even small deviations can affect reach, margin, and service quality. For network teams designing long-haul or tightly budgeted fiber routes, the value is in the clarity of the optical profile. A defined compensation value and loss figure make it easier to plan links, compare options, and keep transport builds aligned with engineering targets. Cisco’s transport portfolio is often selected when the network must support disciplined lifecycle planning and consistent infrastructure standards. This item fits that model by addressing a specific optical requirement rather than a broad, generalized function. Use it when the objective is to keep the optical layer predictable, support higher-value transport services, and reduce the risk of under-engineered links in critical service-provider deployments.