Your images have been blocked because they (most likely) show personal data like IP and MAC addresses. If you want to post hub status data it needs to be as text. Connect to the hub by clicking on this link http://192.168.0.1/ That should pull up the log in page for the hub. But don't log in, just click on the link "Check router status" That'll bring up a window with five tabs. Open the Downstream tab. Select all the text (Ctrl-A if using a keyboard), copy it (Ctrl-C), then paste it (Ctrl-V) into a reply here. Post that, do the same for the Upstream and Network log. You'll get an error message when you post the Network log, just click on "post" a second time. Then we can take a look for any obvious power or noise issues.
However, the symptoms you describe are probablythis.
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