To power cycle a STB please unplug the black cable from 12V power input (see pictures below), wait 30 seconds, then plug the cable back into STB.
Do not remove any of the other connected cables and make sure they are properly plugged in.
Amulet 455
โAmulet 505
โAmulet 655M
Kamai 450
tags: stb, video, entone, amino, restart, reboot, cable box, tv