Works flawlessly so far, but one needs for Gigabit networks unbending Cat.6 cable, otherwise the Sync only 100Mbit comes. Therefore two star deduction. Delivered was incidentally version. 4 Tested with the counterpart TP-Link TL-POE10R PoE Splitter Adapter. Supplies are supplemented with a 8 Port Gigabit Switch with 9V and 0.6 amperes, hanging in a cabinet.