Cisco 15216-DCU-750

Cisco 15216-DCU-750 WM9C659GAA DCF of -750 ps/nm 15216-DCU-750
As metropolitan (metro) transport networks grow from 2.5-generation (2.5G) services to 10G and eventually 40G, the underlying optical systems need to compensate for the lower chromatic dispersion tolerances on the 10G and 40G interfaces. In optical networks, the dispersion compensation unit (DCU) compensates for accumulated chromatic dispersion effect in fiber.