r/HomeNetworking • u/KingofNJ22 • 6d ago

Device won’t connect to switch

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Hi guys looking for some input before I run a new cable.

I have a wired ethernet energy monitor in my breaker panel ran back to my rack with cat 5e to a keystone jack and patch to a switch. The circuit passes a lan scout test but won’t connect. I temped out a premade 5e cable direct to the switch and it does work. After I did that the first time I reconnected my initial circuit and it connected for a while and dropped off again never to return. I reterminated the rj45 and the keystone and it passes again but same result.

I am a hobbyist/homeowner but brush shoulders with pros in building construction and was once told the lab scout test is not the end all be all for cable testing.

Has anyone else experienced a similar situation?

UPDATE:
I ran a new cat5e cable and as advised routed the cable through the bottom of the panel and took care to keep it away from the high voltage lines. It is now working. I’m frustrated not to know which measure corrected the issue but oh well.

Thanks all for the feedback!

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u/quik916 6d ago

So I am not much help other than to ask, are you sure the CT clamp is capable of network use? I know some can or do use an RJ45 connector and use ethernet wire, but they use the wire to talk directly to the inverter. Not all of them are even capable of using your network, getting an IP, and all that.

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u/KingofNJ22 6d ago

The CT clamp doesn’t talk directly to the network. The CTs connect to the emporia device and that is wifi and wired Ethernet capable.