Is AIR-PWRINJ4 compatible to any 802.3af standard device?

Hi all,
today i have a special request to supportforum.
i'd like to know if AIR-PWRINJ4 supports any "non Cisco" 802.af device.
Is there any data sheet available for AIR-PWRINJ4?
Thanks for let me know.
Dieter

Hello.
Following this topic, I'd like to ask for help :-)
I have a CP-6921 and the switch where the phone is connected there is no PoE.
I've requested a Power Injector (CP-PWR-CUBE3) to sales team, but the delivery time is too far.
Meanwhile this, I'm wondering, can I attach the phone in a AIR-PWRINJ4= ?
I have one (spare).
It's 802.3af compliant, but in the part there is a label which contain:
OUTPUT: 56V ---- 0.55A
So, I got this doubt, is there any risk of damage the phone?
Any help will be welcome.
Thank you in advance.
Best

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