H ELECTRICITY
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H04 ELECTRIC COMMUNICATION TECHNIQUE
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H04J MULTIPLEX COMMUNICATION
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H04J14/00 Optical multiplex systems
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H04J14/02 Wavelength-division multiplex systems
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H04J14/0227 Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
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H04J14/0254 Optical medium access
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