Method of optically transmitting sdh or sonet signals

Details Method of optically transmitting sdh or sonet signals Method of optically transmitting sdh or sonet signals

H - Electricity

04

J

H04J 1/08 (2006.01) H04B 10/20 (2006.01) H04J 3/16 (2006.01) H04J 14/02 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2357342

In the case of the transmission of SDH signals by WDM, a plurality of SDH signals is distributed over a plurality of wavelengths in such a way that one wavelength is used in each case for each SDH signal. Instead of modulating an SDH signal, for example STM-1, STM-4, STM-16 or STM-64, directly onto a wavelength, a plurality of SDH signals are, according to the invention, merged, provided with additional information and distributed over the available wavelengths. A cross-connect (O-CC) and a control unit (DSP) and also an optical converter (U) are provided in an appliance for the optical transmission of SDH signals, in order to perform the distribution.

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