Yes, I agree with Oliver, "Unstable dLAN 500 AVplus unlike" ... Too bad, because the idea of a port splitter is good, but the equipment is much more unstable. When I connect a second PC on the port, navigation with the first PC is idle. Note that I have only Devolo in my local network, all 500 Mbps. Devolo AVtriple and finally give up the ghost. We can no longer connect to the network. Incidentally, the LEDs are off. So ... Fortunately, the Amazon service is very efficient, and I expect the replacement equipment. However, if I had read the review of Oliver before contacting customer service, I would have asked for a refund and buy the model without port splitter, more stable. Maybe next time ...