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Basically every Ethernet jack I've seen in anything but cheapo consumer routers/switches has been metal. How the hell is this an IOC?pic.twitter.com/1LG7tBe9MW
Nevermind that... Ethernet jacks don't have power pins. Where is this module (that uses so much power that it gets hot) magically powering itself from? Nobody runs PoE out to servers. Did they modify the board design to add power pins too?
A quick Google suggests Supermicro servers do sometimes have those, apparently often on the IPMI LAN port. So, sure, they could do it on *that subset* specifically...pic.twitter.com/pwPQ3ueze3
He's thinking of this: https://www.lantronix.com/products/xport/
That does not have an Ethernet jack pinout. It'd do nothing if you soldered it in place of an Ethernet jack.
This also sounds a lot like another story we heard before:pic.twitter.com/Fa5kEIPmzC
Ah I see that the complainant has not tried managing any server in production before.
I have no idea what is going on with this story, but SFP+, QSFP, and QSFP28 are active cables with on-board processors, pulling 1-2W each
Optics != processors. Good luck getting a 10GbE capable implant into that power budget and size. Also good luck finding an SFP+ cage that isn't made of metal.
Minor nit: power is available for the jack itself since it typically has two LEDs. So if you modified a jack previous to board mounting, you have power. Not enough to need heat dissipation, but enough to run a small chip.
Not a small chip able to MITM 1000BASE-T. You aren't going to get more than 60mW from an LED.
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