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Thanks for reviewing!
1. Yes, for the PSE the reference time moves the essentially the beginning of inrush.
The voltage will ramp up quickly, at some point hit the PD turn on voltage, then either, the voltage will continue to climb (PD uses own inrush control), or it goes down again and ramps up a second time (PD uses PSE inrush limiter).
The reference is the first time the voltage hits 30V.
3. The condition !(alt_pwrd_pri + alt_pwrd_sec) is TRUE until the PSE enters the POWER_UP state, at that moment,
alt_pwrd_pri, alt_pwrd_sec, or both become TRUE, which would make that global entry arc FALSE.
If the PD requested Autoclass, then pd_autoclass=TRUE, which causes the transition to WAIT_ACS and there the PSE autoclass timers are started.
On Thu, 2018-01-04 at 17:43 +0000, Yair Darshan wrote: