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70 S100 User Guide – Rev. D – June 2005
SyncServer S100
Other Information
The following screens give additional information about the S100.
Engine Time
The engine time is read directly from the timing engine.
Clock Settings
The clock settings here are:
Oscillator - This is internal to the timing engine.
DAC Value - A 16-bit Digital Analog Converter is used to set the frequency on the oscillator.
The value here shows a rate match between the hardware clock frequency and the selected
time reference source.
Jam Control - “Jam” refers to jam synchronization. This controls whether or not the
software may “jam” the clock circuitry if a phase discontinuity of greater than 1 millisecond is
found.
Battery Status - The timing engine’s battery status is noted here.
Clock Value - This register shows the number of 100ns steps needed to advance or slow
down the phase of the local clock circuit.
Figure 4-18: Timing Engine Time
Figure 4-19: Clock Settings