I have an EAP110 N Access Point which works ok using its provided injector.  I also have a TL-SG108PE switch with POE.  But using the POE switch does not work, even with the same cable.  what is going on?  thank you-

for the switch, hardware version 2 and firmware version 1.0.0 Build 20180720 Rel.62267

for the AP, hardware version 3 and firmware version 3.1.0 Build 20180418 Rel. 74801(5553)