Synchronous Digital Hierarchy Equipment (SDH)

Synchronous Digital Hierarchy Equipment (SDH)

DH devices, also known as synchronous digital infrastructure devices, are the core of building optical transmission networks.

DH devices, also known as synchronous digital infrastructure devices, are the core of building optical transmission networks. It is responsible for efficiently and reliably encapsulating massive amounts of voice, data, video, and other information into a unified format, transmitting them over long distances through fiber optics, and flexibly splitting or inserting local services at any node.

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