Keep optical paths within tolerance with a Cisco tuneable dispersion compensation unit designed for coarse-granularity C-band applications. In dense transport networks, dispersion management is not optional; it is what keeps long-haul and metro links stable as capacity scales and spans grow more demanding. This unit gives network teams a practical way to correct dispersion without replacing the surrounding optical architecture. That matters in environments where existing infrastructure is already heavily invested, and where targeted upgrades are preferred over broad redesigns. Coarse-granularity tuning supports straightforward deployment in systems that need dependable compensation rather than overly complex adjustment. For service providers and enterprise backbone operators, the value is clear: maintain signal integrity, protect transport performance, and extend the useful life of installed optical assets. Cisco’s platform fit also helps reduce integration risk in networks that depend on consistent optical behavior across C-band routes.