The Hub4 and Hub5 use more frequencies on the cable than a Hub2 or Hub3. Most problems like this are down to a circuit fault. So please post some stats, details follow:
How to get stats from a VM hub (no need to logon to the hub)
Open a web browser and go to 192.168.0.1 router mode or 192.168.100.1 modem mode
- Click on the “> Check router status” button
- Click on the “Downstream” tab, copy the text and paste into your reply, do not take a screen shot
- Click on the “Upstream” tab, copy the text and paste into your reply
- Click on the “Networking” tab, copy the text and paste into your reply.
- Do NOT post photos or screen shots they will be rejected as they contain MAC addresses. The board software will automatically change MAC addresses to **:** if done as above.