Sujet : Re: more X-rays Silvertel PoE Supply
De : invalid (at) *nospam* invalid.invalid (Edward Rawde)
Groupes : sci.electronics.designDate : 02. Oct 2024, 19:02:29
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"Don Y" <
blockedofcourse@foo.invalid> wrote in message
news:vdjvmh$3aipj$1@dont-email.me...On 10/2/2024 8:46 AM, Edward Rawde wrote:
I did PoE with LTC4267 some years ago such that 12V could also be supplied from a wart.
Fully isolated with a PA1138 transformer.
>
How did you inform the PD of the fact that it was no longer
dependant on (and controllable by) the PSE? Or, did you forego
in-band reconfiguration and power control?
It wasn't necessary for the fairly specialized product which was configured at install time with power from PoE or wart but not
both.
I seem to recall at least one accidental connection of both with no detrimental effect but it wasn't investigated further.
>
These days I'd look at MP8017
>
I'm experimenting with integrating the PSE & PD functionalities
to better "tune" the system to available power.
>
>
more X-rays Silvertel PoE Supply
Re: more X-rays Silvertel PoE Supply