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Dispersion and 10 Gigabit Ethernet Transmission

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Dispersion and 10 Gigabit Ethernet Transmission

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  • Author: Francis Audet
Dispersion does not affect all networks equally. In SONET/SDH DWDM systems using non-return-to-zero (NRZ) pulses, the threshold for chromatic dispersion (CD) at OC-192/STM-64 10 Gb/s is 1176 ps/nm. For G.652 fibers, with CD typically less than 19 ps/nm•km in the C band, this corresponds to around 60 to 80 km between regeneration or compensation sites.

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