To power AR150 and AR750 with poe shoud connect a poe injector to wan port? The module should be insert inside the mainboard? I have this poe injector https://www.amazon.it/gp/product/B07P1RR5RM/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Is this right to power AR150 or AR750?