@Philbert Hi! Except for the power light indicator, all the other lights go off. It's like the ports stop working. The TL-SG105 switch received its connection from another L2 TP-Link...

I recently purchased a 5 port tp-link switch model TL-SG105 umananged. The switch is connected directly to my ISP router via a cat-6 cable. I have a PS4 and media box from my tv channel provider...