How does this thing even work?

how does this thing even work?

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PoE from a host device to power a small three port switch.

Why the fuck are you on this board?

Could be a hub. A hub is just wired soldered together.

This is just a splitter. Only one of the ports work. This is is only for the poorest poorfags out there if you cannot even afford a switch.

Avoid at all costs!

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how did you even learn how to type?

you need two of them

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What's the point if only 1 port works?

The fuck did they do to it? Even just a straight wired together hub is supposed to let all the computers access the network. It just reduces performance vs a switch that doesn't send every packet to every port.

So what, it's just a hub that is somehow broken yet they still shipped it?

Is this bullshit or is it actually how it's supposed to work?

Two of them and 6 ethernet cables. It fucking makes no sense. Just buy a fucking 5 port gigabit switch. Unmanaged ones are cheap enough.

That is how 2 port splitters supposed to work.

It's a splitter. Not a hub.
Wiring diagram for a 4 port one.

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Ethernet 5e/6 cable consists of 8 wires, you need all 8 to get PoE and max speed but you can split it on 2 ports (4 wires per port) to get 10 Mbit/s

Don't even dream about PoE with this shit.

If you plug it into itself it gives you infinite internet

This is a different thing - Gigabit ethernet uses 4 pairs, but you can also use just 2 pairs to get 100Mbps connectivity. These splitters/joiners just put two computers onto 4 pairs, using half the wires each, then split them out again at the other end. Into the switch you have two connections, but limited to 100Mbps. It's a trick for when you don't have enough structured cabling in the walls, and 100Mbps performance is sufficient.
Different to whatever that abomination in the OP is.

the idea is that you can leave multiple infrequently used devices plugged in, so when you go to use one, you don't need to plug that one into the wall
i think most people would be better to spend a few more dollars and just get a small 4 port switch though

>find one on walmart.com
>11 reviews
>all one star
>all saying only one device works at a time
>product picture has big red text saying it only works with one device at a time and that it's intended to avoid needing to move plugs around
i don't know if it's funny or sad that people just assume how a product works and buy it without reading anything

Functional illiteracy.