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SDH/SONET Protection

ITU-T G.841 - This Recommendation provides the necessary equipment-level specifications to implement different choices of protection architectures for Synchronous Digital Hierarchy (SDH) networks. Protected entities may range from a single SDH multiplex section ...

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WDM / OTN Protection

Optical Transport Network (OTN): Linear Protection ITU-T G.873.1 - This Recommendation defines the APS protocol and protection switching operation for the linear protection schemes for the Optical Transport Network. Protection switching will occur based on ...

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Bypass in in-line / ITS

The bypass switches upon failure by detecting a loss of link and loss of power of any inline appliance. The bypass switch is designed to maintain operational link state to all ports (except in the power down state) making the switchover seamless and unnoticed by ...

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