The Spirent TestCenter Synchronous Ethernet Base Package, now part of VIAVI, enables testing of synchronization performance using the Synchronous Status Message protocol defined by ITU‑T G.8264. It allows ports to operate as main or subordinate synchronous Ethernet clocks and exchange SSM messages with connected devices. This supports validation of synchronization trails and frequency accuracy for devices functioning as Ethernet Equipment Clocks. With Spirent TestCenter’s inherent high‑precision timing, users can thoroughly assess frequency synchronization behavior across modern network infrastructures.

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