Symmetricom XL-GPS, User Manual

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5: Function Reference
F72 – Fault Status
Use function F72 to display the fault status of the clock.
• Clock PLL – Locked or unlocked
• Clock Status – Locked or unlocked
Command Line
To display the status of the fault detectors, enter:
F72<CR>
F72 responds:
F72 CLOCK PLL LOCKED
CLOCK STATUS UNLOCKED
where:
CLOCK PLL = Clock Phase Loop Lock status, LOCKED or UNLOCKED
CLOCK STATUS =
Clock Status, LOCKED or UNLOCKED to the reference source shown.
The LOCKED state is based on the F73 Time Threshold value entered
by the operator. F73 Time Threshold sets the threshold in nS above
which Time Error triggers an alarm. When the oscillator's predicted
worst-case time error (“F13 – Time Error” on page 67) exceeds F73 Time
Threshold, Time Error enters a fault state and the CLOCK STATUS
becomes UNLOCKED.
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