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Double ring LR-PON protection: (a) Ring design (OCs shown in squares),... | Download Scientific Diagram
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Novel protection strategies for passive optical networks based on ring and bus topologies - Pavel - 2015 - Transactions on Emerging Telecommunications Technologies - Wiley Online Library
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GPON-and-EPON transmission based on multi-standard OLT management structure for VPON in metro-access optical network - ScienceDirect
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