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timing reference signal for television equipment has been a ... time signal and reference should be derived from the same. master source.

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Posted by waqasahmad

PRC-level basically contains collection of PRC clocks and are basically master clocks and have different PRC levels.

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Posted by sagitraz

PRC-Level refers to the collection of PRC compliant clocks in an operator domain that are the master clocks for the different Synchronisation areas when the Synchronisation network does not experience failures.

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Posted by vernon