b) Clock Class
c) Clock Accuracy
d) offsetScaledLogVariance
e) Priority 2 (0-255)
f) Clock identity
BMCA will at each step compare available clocks, only clocks with the “best” values
will be selected to continue, until BMCA is left with one clock. That clock will then be
the selected master clock. Since Priority 1 and 2 are user settable fields they can
have an impact on the BMCA selection.
For example, If only one clock is configured with the value “1” (high priority) in the
Priority 1
field and others with the value “10” (lower priority). The clock with the value
“1” will be selected as the master without any further comparison in the following
steps. This means that that clock will be acting as master as long as it is online, even
if it loses sync.
VB440 Studio Probe User’s Manual v6.0 © Bridge Technologies Co AS 57
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