ACS8525A LC/P Line Card Protection Switch for SONET/SDH Systems COMMUNICATIONS ADVANCED COMMS & SENSING com Description FINAL Features DATASHEET The ACS8525A is a highly integrated, single-chip solution for “Hit-less” protection switching of SEC (SDH/SONET Equipment Clock) + Sync clock “Groups”, from Master and Slave SETS clock cards and a third (Stand-by) source, for Line Cards in a SONET or SDH Network Element.
The ACS8525A has fast activity monitors on the SEC clock inputs and will implement automatic system protection switching against the Master clock failure.
The selection of the Master/Slave input can be forced by a Force Fast Switch pin.
If both the Master and Sla...

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