Zyxel NSA310 on PoE

DC input socket has 12V 2.5A specification.

It runs correctly on PoE adapter (unspliters :). Switch shows only around 13W consumption (in ideal conditions it means 1,08A at 12V)

Sometimes, after few days NSA310 stops responding with:

It was tested under heavy load without any problems, so it is strange. but it can be related also to latest kernel 5.8 update.

Now testing adapter: