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Mapping between SyncE jitter period and UI give us:
The 1G optical mask is: From this mask, we derived an equivalent for 1G electrical as follows: The 10Hz point must aligns with the G.8262 10Hz wander tolerance limit, which is 250ns. 250ns equates to 31.25UI. We then simply scaled the higher-frequency breakpoints and max frequency down by a factor of ten (because the clock rate is 1/10 compared to 1G optical). Since UI is already a normalised unit, we retained the 1.5UI requirement at the higher frequencies This gives us: |
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