Just noticed one more set up difference with the two boards: Box 1: RB433AH, RB350H, 18v PSU, ROS3.15 Box 2: RB433AH, XR5, 24v PSU, ROS3.15 It is Box 1 that has the ethernet port that keeps locking up, could this simply be due to the 18vPSU, it is a remote box so a quick change is not really an opti...