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Transmission Technology: what’s the big deal? - page 39 / 46

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“Dynamic” OADMs allow wavelengths to be added/dropped on an individual wavelength basis via dynamically re-configurable devices:

Advantages:

Wavelength topology can be dynamically changed to match needs.

Minimization of unnecessary OEO of express wavelengths

Minimized operational costs (no visits to intermediate sites)

Disadvantages: More expensive capital costs.

Dynamic OADM

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ILAs

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OADM

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OADM

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Individual channels are dynamically dropped via software control of switching devices.

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