We document the Cisco Metro 1500 series, MAN DWDM and Manhattan platforms. A fiber that has the opposite dispersion of the fiber being used in a transmission system. It is used to nullify the dispersion caused by that fiber. Optical fibers doped with the rare earth element erbium, which can amplify light in the 1550 nm region when pumped by an external light source.
Light is modulated and transmitted over high purity, hair-thin fibers of glass.
The bandwidth capacity of fiber optic cable is much greater than that of conventional cable or copper wire. A telephone company that provides customer access to the world-wide public switched network through one of its central offices. A fiber-optic medium in which light travels in multiple modes. A device for combining several channels to be carried by one line or fiber. A dispersion shifted SM fiber that has the zero dispersion point near the 1550 nm window, but outside the window actually used to transmit signals.