Chapter 5:
Timing
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v3.3-a 12/07/2022
5.
ACTIVATED
6.
EXPIRED
3.7210.0 Time Learning
<Integer>
Time the holdover has been in LEARNING state
(in seconds)
3.7210.1 Time
Holdover
<Integer>
Seconds elapsed since holdover activation
3.7210.2 Trigger Origin
<Enum>
•
NONE
•
MANUAL
•
PPS_DRIFT
•
TRACK_LOST
•
LINKDOWN
•
EXTCLK_DOWN
•
EXTPSS_DOWN
•
CLK_DRIFTT
Trigger origin of last one launched
Holdover and FOCA
As mentioned above FOCA only switches between timing source when a failure is
detected. This mean that if the active timing source of a device is HO, it will stick to it
until reaching the expired states (Failure state of HO).
