[alcatel-nsp] CES timing

[Andrey Oleinik]

Hello community,
I'm reading 7250SAS capability. In CES I discover following:
Timing Options: Loop, line, adaptive and free run
>From four opts generally I'm familiar with 2: a) line (probably that is often called "timing recovered from flexible RX-buffer"); b) free run - selfexplained
What stands for 2 others "loop"&"adaptive"? And where "holdover" disappeared?

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Respect,  Andy Oleynik
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