802.3af PoE injector PoE splitter Gigabit 24V 48V passive injector

Got this PoE injector and splitter but can't seem to make them work on my Rak V2. Any idea why? : r/HeliumNetwork

PoE Injectors, Converter, Extender, and Splitter: APC1048 Standard to Passive 48V PoE Converter

The TP-DCDC-1224G DC to DC converters offered by Tycon Power Systems are a low cost and high reliability solution for those requiring 24VDC Gigabit Power Over Ethernet voltage from a 12 or 24V battery system. They have an integrated Gigabit PoE injector to apply the regulated 24VDC to the CAT5 Ethernet cable.

Tycon Power Systems TP-DCDC-1224G 12/24V Gigabit Passive PoE Injector

Dual Output Gigabit 802.3at PoE Splitter, DC 40V-60V Input, 50W Output ,operation temperature -25C~+65C, MIT-72G-48P24DC-B1N - MSTronic Co. Ltd.

Tycon Systems POE-SPLT-4824G-P 48V DC 802.3at PoE Input 48V 802.3at PoE Out & 24V DC at 20W Output Max 50W POE Splitter & Voltage Converter : Electronics

POE-IO POE Cable Passive Power Over Ethernet Adapter Cable POE Splitte – poe -world

LINOVISION Mini Passive 2 Port POE Extender POE Repeater Cascade

PoE 12V 802.3af Splitter - Power Any 12 Volt Device

2.5G Gigabit 48V PoE Injector Adapter 802.3at U6 Enterprise (EU AC plug type)

24v In - 12V/2A Out Passive PoE Splitter - cat6

Gigabit Passive PoE Injector 24W POE Adapter 36-72V DC Input 24V PoE Output Converter (Not for 802.3af/at devices), overloaded circuits poe