https://www.juniper.net/documentation/us/en/software/junos/poe/topics/topic-map/poe-bt-upgrading.html
Upgrading to IEEE 802.3bt PoE | Junos OS | Juniper Networks
The IEEE 802.3bt standard (PoE-bt) increases the amount of power that can be delivered to powered devices over PoE ports. PoE-bt can supply a maximum of 90 W...
ieee 802 3btjunos osupgradingpoejuniper