Hi, Just unwrapped my 5500SHAC controller and got it on my test bench. Toolbox cannot see it, sought of! [LIST] [*]I cannot ping it [*]Yes, 24V connected [*]I can via USB open the GUI [*]Toolbox ->Find IP and it can see the IP, 192.168.0.10, but still will not load it when I do a scan. [*]PC is set to 192.168.0.9 [*]Latest Toolbox [*]Device manager has no unknown devices. [*]Oct 5 00:10:29 5500SHAC kern.info kernel: [ 2806.006351] fec 800f0000.ethernet eth0: Link is Up - 100Mbps/Full - [/LIST] Jamie