Independent clock

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In telecommunications networks, independent clocks are free-running precision clocks located at the nodes which are used for synchronization.

Variable storage buffers, installed to accommodate variations in transmission delay between nodes, are made large enough to accommodate small time (phase) departures among the nodal clocks that control transmission. Traffic may occasionally be interrupted to allow the buffers to be emptied of some or all of their stored data.


 This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C".